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- Category: ACM
- Category: Android
- Deep Dive into Apple AirTags vs. Samsung SmartTag 2: New Insights and Comparison
- Apple AirTags vs. Samsung SmartTag 2
- Android USSD Code to access hidden testing menu
- How to Disable Google Ad ID Tracking on Android
- Gaming with PlayStation Controllers of Android
- Monkey Problems
- Android get GSF ID (Google Services Framework Identifier)
- [Video] Android OpenCV – Face Detection and Recognition Demo
- Fedora Configure Hardware Acceleration for the Android Emulator
- Android Studio – No space left on device
- Samsung Galaxy: Move device contacts to Google (GMail) account
- Samsung Galaxy: Make sure contacts from all accounts are visible
- Samsung Galaxy: Synchronize Google (GMail) contacts with phone device
- [Video] Android OpenCV – Face Detection and Recognition Demo
- Category: Applications
- How to Export Your Viber Chat History
- Unlisted – Privacy Policy
- How to speed up Youtube videos more than 2x
- Understanding the cURL Command for Performance Metrics
- Beware of Phishing Links on Viber: A Security Alert
- How to “group by” and sum or count in LibreOffice Calc (Excel)
- How To Detect and Extract Faces from All Images in a Folder/Directory with OpenCV and Python
- How to Keep Firefox Windows on Top in Ubuntu 18.04LTS and Newer
- Troubleshooting Access Rights and Memory Allocation for Elastic Enterprise Search using Docker Compose
- A solution to running out of memory while executing mysqldump
- dbeaver: native client is not specified for connection
- MySQL copy the contents of one table into another
- Cloudflare API DNS Update
- The code execution cannot proceed because MSVCP140_2.dll was not found. Reinstalling the program may fix this problem.
- Glaciator, an AI-Generated Pokemon
- Automatic generation of phone background images using ImageMagick
- Using minicom to connect to Cisco Console
- ewf-tools and Ubuntu
- youtube-dl and embedded Vimeo
- Unknown/unsupported storage engine: InnoDB
- Free dial-in to WebEx
- ERROR: for container_a UnixHTTPConnectionPool(host=’localhost’, port=None): Read timed out. (read timeout=60)
- Docker: WARNING: Host is already in use by another container
- How to reset root password in XAMPP MySQL
- Compiling ffmpeg with NVIDIA GPU Hardware Acceleration on Ubuntu 20.04LTS
- IEEE Region 8 Valletta 2019 – Privacy Policy
- IEEE Region 8 Sydney 2017 – Privacy Policy
- IEEE Region 8 Stockholm 2017 – Privacy Policy
- IEEE Region 8 Porto 2016 – Privacy Policy
- IEEE Region 8 Belgrade 2018 – Privacy Policy
- IEEE Region 8 Athens 2018 – Privacy Policy
- FFmpeg tiny cheat sheet
- Install fallback version for JetBrains products using snap
- Create a project using Symfony website-skeleton version 4 and then create a docker image out of it
- Notes on how to get HarpyTM running on an Ubuntu 20.04LTS GNU/Linux
- Revisiting neural-style-tf in 2021
- Audacity – Automatically split an audio file into multiple files using at the quiet/silenced parts
- Gimp – create text for memes
- How to dial into the meeting via Viber call for free
- A note on the Chrome Plugin “Fast Delete Messages” for deleting all Facebook Messenger Messages without deleting the conversations
- Using Nomenclature in TeXstudio
- Cloudflare Origin Server Certificate for IIS 10 Server on Windows Server 2016 to allow Full (strict) mode SSL/TLS encryption mode
- Set Up OpenVPN Connect with .ovpn profile for Apple iOS (iPhone, iPad)
- ffmpeg: Cut out a part of a video
- Latex / Beamer: Variable to get current Section name
- Git: Remove or Delete file from Git repository
- Compile ffmpeg with video stabilization (vidstab) support on Ubuntu 20.04 LTS
- Rough note on ffmpeg: Merge Two Videos Side by Side
- Fittest – Privacy Policy
- Starting XAMPP with port 80 on Windows 10 Professional
- How to create a video from thousands of images using ffmpeg
- How to create a video from an audio file and an image using ffmpeg
- How we concatenate multiple mp3 files into one using ffmpeg
- Root Checker – Privacy Policy
- How we sync files between two drives
- CloudFlare does not allow port 22 (usual SSH port) on domain
- ffmpeg: Create a video countdown
- LibreOffice Calc: get the distinct/unique values in a column or a list of elements
- Fedora 27: Install OBS Studio
- Compiling openbts-umts on Ubuntu 15.04
- Compiling gr-gsm on Ubuntu 14.04 LTS
- Building wireshark-2.4.2 on CentOS 7 (64bit)
- Fedora 27: Setup stackskills-dl
- An attempt to use images in WP-Polls
- Viber Desktop on Fedora 27 64bit: Viber cannot connect to the internet (OpenSSL error)
- How to process tcpdump live data stream from a remote machine on a local WireShark
- Enable C++11 standard for GCC on Eclipse CDT
- Start Arduino IDE as root on Fedora / Allow root to start an X application
- Create a graph out of an XML file
- Making an animated torus in gnuplot and gimp
- How to rewrite the most recent commit message of a commit that has not been pushed
- Git Workflow Diagram
- How does ‘git pull’ and ‘git fetch’ differ?
- Just some notes for setting up a new OS to develop projects on GNU/Linux Fedora
- git: How to move locally committed (but not pushed) changes to a new branch
- Using aliases for SSH
- Jenkins: Improve the format of the email
- Back Up Jenkins instance except for workspace and build logs
- About restoring a deleted Git branch
- Git: Create a branch on your local machine, switch to it and then push it on the server
- Fedora 25: Connect to Windows Remote Desktop with RD Gateway Server
- neural-style-tf: Another open source alternative to Prisma (for advanced users)
- neural-style: An open source alternative to Prisma (for advanced users)
- Hugin
- Extract audio from online video
- NotePad++: Remove multi-line (/**/) comments automatically
- Batch convert NEF photos to JPEG using ufraw
- Batch resize images using ImageMagick
- Bluetooth Clicker (PC / Windows)
- On-screen clock/count down/counter (version 3, Java)
- On-screen clock/count down/counter — AutoHotkey (AHK) Source Code
- On-screen clock/count down/counter
- Create a sortable ‘Modified Date’ sortable column for posts and pages in wordpress admin area
- GMail – View with no labs enabled
- How to convert ppsx and pps to ppt/pptx/pdf with Microsoft Office
- WordPress Network – Jetpack Stats Problem
- How to install icecat on gnewsense 2.3
- Install HPL on Ubuntu
- to view “like me” posts
- SISAL Compiler — useful links and Ubuntu Installation GuideSISAL Compiler — useful links
- Excel: A few useful functions
- Ubuntu Linux: How to Resize and add Label to a many picture files
- Beta test dropbox and get even more free space!
- Ubuntu 11.10 (Oneiric Ocelot): Cloning a KVM Virtual Machine
- KVM: How to configure a bridge connection in Ubuntu 11.10
- HOWTO: Make Terminator Terminal Act Like Guake Terminal in Ubuntu 11.10
- WordPress: Approve all group requests for buddypress from phpmyadmin/backend
- Ubuntu Linux: How to install Apache2 – MySQL – PHP (LAMP) phpMyAdmin and fix a few installation errors
- Ubuntu: How to compile STAN SPG Planning System (http://planning.cis.strath.ac.uk/STAN/) on Ubuntu 11.10
- Ubuntu: How to compile PrecoSAT v.570 under ubuntu 11.10
- Ubuntu 11.10 (Oneiric Ocelot): Installing KVM
- How to setup DNS service for DHCP-enabled KVM guests
- Enable all warnings on codeblocks
- Include more filetypes to a WordPress Installation Media Library
- Oracle VirtualBox: Enable eth0 on backtrack4 / enable default ethernet card on backtrack
- Category: Bluetooth Clicker
- Category: CMS
- Category: Contest Management System
- Category: Docker
- Rough notes on setting up an Ubuntu 22.04LTS server with docker and snap
- Bind for 0.0.0.0:443 failed: port is already allocated
- Incorrect definition of table mysql.column_stats: expected column
- Rough notes on setting up an Ubuntu server with docker
- Quick notes on optimizing a mysql/mariadb database in a docker container
- Horrible Solution: How to delete all docker logs
- Notes on how to connect from an external machine to a docker database in Google Compute Engine
- How to List all Docker Container Names and their IPs
- How to update all pulled Docker images that are tagged as latest
- Category: Face Recognition
- Category: FireFox
- Category: GnuPlot
- Category: HPL
- Category: ImageMagick
- Category: Latex
- Package pdftex.def Error: File `xyz-eps-converted-to.pdf’ not found: using draft setting. [Ubuntu]
- Latex/Beamer: Notes page would not use whole space when in 16:9 aspect ratio
- Latex/Beamer: Do you type too many notes?
- Beamer: Reasons to avoid allowframebreaks
- Latex: Start enumerate list with value zero (0) with no additional plugins
- Latex / Beamer: Automatically split the content of a frame to multiple slides
- Latex / Beamer: Table of contents that shows other subsections only for current section
- Latex/Beamer: Undefined control sequence. …meroption{show notes on second screen=right}
- Latex / Beamer: Change footline for Boadilla theme
- IEEETran Latex Template – Add Copyrights on left bottom of first page of Conference class
- Category: Modem Inspector
- Category: NotePad++
- Category: Office
- LibreOffice Calc: Finding duplicate / common entries between two columns
- Microsoft Outlook: Auto Reply
- Microsoft Outlook: Auto CC in Emails
- Microsoft Outlook: Adding reply-to address
- LibreOffice Calc: Get workbook path only
- LibreOffice Calc: Get workbook full path with filename
- LibreOffice Calc: Get workbook filename only
- Excel / Calc: Convert a Hexadecimal number to Decimal
- How to randomize order of rows in Excel
- How to “group by” and sum in Excel
- Category: Oracle
- Category: Skype
- Category: Stikked
- Category: Symfony
- Category: Virtualization
- Category: WordPress
- WordPress how to add all menus into post
- Cannot remove the ‘sticky’ option from a post
- Images, that are not visible initially, don’t show with Customizr Pro theme
- “Cookies & Consents Banner (Jetpack)” not available!
- The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.: wp-admin/includes/update-core.php
- WordPress: How to disable a plugin on all pages except for a specific one
- Easy way to repair and optimize core WordPress MySql DataBase Tables
- Install Required Plugins of Gillion | Multi-Concept Blog/Magazine & Shop WordPress Theme
- JetPack: Cannot Verify Site Ownership using pinterest
- WPML: How to add the Languages’s list in a WordPress menu
- WordPress: Google AdSense Plugin
- Category: Artificial intelligence
- Writing conspiracy theories with ChatGPT
- Having fun by lifting the limitations of OpenAI ChatGPT
- Why does turning a device off and on again fixes most technical problems?
- Trying to see how ChatGPT by OpenAI responds when it is asked to analyze an online technical post
- Playing with ChatGPT to create python scripts
- Using Neural Style Transfer on videos
- Playing the QMIX Two-step game on Ray
- Playing with MASK RCNN on videos .. again
- Category: Machine Learning
- Category: Neural Networks
- Category: Deep Learning
- Category: Neural Networks
- Category: CSS
- Category: Cyprus Computer Society
- [Cyprus Cyber Security Challenge] Call for mentors
- 19η θέση για τους κύπριους Χάκερς στον Πανευρωπαϊκό Διαγωνισμό Κυβερνοασφάλειας. Η Κύπρος κατέκτησε την 19η θέση στον Πανευρωπαϊκό Διαγωνισμό Κυβερνοασφάλειας.
- 19th place for Cypriot Hackers in the European Cyber Security Competition. Cyprus won 19th place in the Pan-European Cyber Security Competition
- Συμμετοχή της Κύπρου στον Πανευρωπαϊκό Διαγωνισμό Κυβερνοασφάλειας ECSC 2022
- Participation of Cyprus in the European Cyber Security Challenge ECSC 2022
- Unmanned Aerial Vehicles – Innovation and Challenges
- Digital Innovation with APIs
- Cyprus Computer Society – Logos
- Keeping yourself and your kids safe online
- INFOSEC 2015
- Category: Cyprus Cyber Security Challenge
- Category: PSPO
- Category: Events
- Category: Firewall
- Category: Funny
- You have been pwned!
- They see me rollin’… They hatin’
- Sign language versus Voice
- Cyber-security fact
- Actual Screen Shot from Netflix – Lists “Sausage Party” between kids movies
- Just lighter things..
- I can’t go because of the Corona Virus — an alternative
- Orb of Osuvox vs Cataclyst – Ready Player One
- Warning network engineers
- SIX without S is 9
- 2 = 1 ?!? — not really
- If you are chased by a serial killer, you are both running for your life
- A strong fact about Mark Hamill and the Star Wars franchise
- Wile E Coyote and Roadrunner – Demonstrating programming bugs
- Google Searching “Gambling Addition” while using the “I’m Feeling Lucky” button
- A Cypriot parody of the Heineken Logo: Hestiken!
- Life of a programmer
- Coincidence? I do not think so!
- The “Eiffel” (I fell) Tower and the “I did not fall” Tower
- I do not know what is worse, having high blood pressure or the fact that my mum and my wife know about it
- Where can you leave your rocket when you’re in space?
- I leave homework to the last day because I’ll be older and therefore wiser.
- Did you know that if you touch your uvula, you can taste every food you’ve eaten for the past 12 hours?
- An example of why Master Yoda would make a dreadful navigator
- Words of wisdom from a Peon of the Orc Horde (Warcraft III) for Interns
- Laziness is the mother of all bad habits
- She said “I do”, since then I do what she says…
- Life goal: have a salary so big that I get taxed
- You can learn a lot about a person from his bumper
- I was a programmer all along!
- Scientific fact about alligators and crocodiles
- I get cranky when I am constipated. Well, shit!
- Throughput and Latency always have the last laugh.
- High tech spider puns
- Innocence (L’innocence) – William Adolphe Bouguereau (1893)
- Logarithm is the inverse operation to exponentiation
- The universal truth about projects
- Linux on life issues
- Dying is the number 1 cause of death!
- Studies have shown that an increased amount of birthdays correlates with an increased risk of death.
- There are evidence that suggest a strong correlation between birthdays and years lived. But let’s be all cautious of possible bias.
- Give a man a plane ticket and he’ll fly for a day…
- Puns about communism aren’t funny unless everyone gets them.
- Instead of “Thanks, Obama” we need a new catch phrase
- Ionic comments about Atoms
- Hakuna matata
- Playing with the definitions of ‘gay’
- Standard ML
- The definition of engineering
- Rodrick’s Rules
- Chuck Norris Tribute
- Κακά Ζώδια!
- Category: GNU/Linux
- How to convert certificate of Let’s encrypt to jks
- Enhancing KeePassXC with YubiKey on Ubuntu: Enabling the Raw-USB Interface
- How to Free Space from /var/log by Removing Old Log Files
- How to Create a WiFi Hotspot in Ubuntu 22.04
- How to Run Three Instances of Signal on Ubuntu
- Mount a Windows share on a GNU/Linux server
- Using nmap to scan a network and identify which hosts are alive
- Ubuntu Pi-hole DNS Fix: Pi-hole could not start DNS service after upgrading Ubuntu
- How to Create a Custom Local DNS Entry on a Ubiquity Dream Machine Pro
- Linux mouse jiggler
- Two Signal accounts on Ubuntu 22.04LTS
- Extend LVM space to the rest of the free space on the disk
- Ubuntu 22.04LTS forces the use of YubiKey on login without activating it.
- How to mount a qcow2 disk image that does not contain an Ubuntu LVM installation
- An easy way to SSH into a Gnome Boxes OS
- KVM Virtual Machines’ Backup and Restoration
- Error mounting filesystem
- How to access VMFS Datastore from Ubuntu GNU/Linux
- 413 Request Entity Too Large
- Rough notes on how to install CUDA on an Ubuntu 20.04LTS
- How to Reset Password on an Ubuntu with LVM
- Testing free Text to Speech engines on Ubuntu GNU/Linux
- How to Start/Stop or Enable/Disable firewalld on CentOS 8
- How NOT to solve the IEEE Day Badge Challenge
- Ubuntu: The file content is encrypted, but currently not supported
- Ubuntu how clear journal logs and free up some disk space
- Netflix error f7701-1003 on Ubuntu
- Do not use the snap version of docker for Ray on Ubuntu 20.04LTS
- RIP tux.crystalxp.net – Twentieth Part
- RIP tux.crystalxp.net – Nineteenth Part
- RIP tux.crystalxp.net – Eighteenth Part
- RIP tux.crystalxp.net – Seventeenth Part
- RIP tux.crystalxp.net – Sixteenth Part
- RIP tux.crystalxp.net – Fifteenth Part
- RIP tux.crystalxp.net – Fourteenth Part
- RIP tux.crystalxp.net – Thirdtenth Part
- RIP tux.crystalxp.net – Twelfth Part
- RIP tux.crystalxp.net – Eleventh Part
- RIP tux.crystalxp.net – Tenth Part
- RIP tux.crystalxp.net – Ninth Part
- RIP tux.crystalxp.net – Eighth Part
- RIP tux.crystalxp.net – Seventh Part
- RIP tux.crystalxp.net – Sixth Part
- RIP tux.crystalxp.net – Fifth Part
- RIP tux.crystalxp.net – Fourth Part
- RIP tux.crystalxp.net – Third Part
- Creating ISO and Burning CD or DVD using Command Line tools
- RIP tux.crystalxp.net – Second Part
- RIP tux.crystalxp.net
- Cut a video based on start and end time using FFmpeg
- AttributeError: module ‘html5lib.treebuilders’ has no attribute ‘_base’
- OpenCV error: the function is not implemented
- How to optimize apache web server for maximum concurrent connections or increase max clients in apache
- ffmpeg: Create a video countdown – new post (2021)
- Problem with compiling C# code on Ubuntu using the mono project while the source path contains Unicode characters
- View Cisco Webex Recordings (or Join certain Live Sessions) on 64-bit Ubuntu 18.04 LTS
- How to suspend Gnome Ubuntu 18.04LTS from top right menu
- BigBlueButton
- Ubuntu 20.04LTS with GDM3: Disable User List at the Login Screen
- Making high quality GIF from video in Ubuntu 20.04LTS
- ffmpeg: Convert HikVision H.265+ videos to MKV
- Apply low pass and high pass frequency filter using ffmpeg
- Ubuntu 18.04 and VOSK Speech Recognition API
- Host or domain name not found. Name service error for name=smtp.gmail.com type=AAAA: Host not found, try again
- youtube-dl ERROR: unable to download video data: HTTP Error 403: Forbidden
- How to find differences between two directories using diff
- How to temporarily open MySQL / MariaDB port on CentOS 7 firewall
- Ubuntu 18.04 LTS: Setting up a symfony 4 skeleton project
- Ubuntu 18.04: Cannot mount Micro SD DC I Class 10
- Compiling the latest version of YubiKey Personalization Tool on Ubuntu 18.04 LTS
- A simple way to find which DHCP server gave you an IP
- youtube-dl does not work properly on Qubes 4.0 – Fedora 26
- Qubes 4.0 with Fedora 26: Setup RPM Fusion and ffmpeg
- Qubes 4.0: Installation crashes when installing qubes-mgmt-salt-base-topd.noarch
- Fedora 28: Setup RPM Fusion and ffmpeg
- Missing dependencies for udacity/FCND-Controls C++ project (Flying Car Nanodegree Program)
- YARA on Fedora
- Install Gnome Boxes on Kali Linux
- Cannot update Kali Linux due to invalid signatures
- Change date in GoPro media (photos/video/low quality videos/still frames) files
- GNU/Linux: How to give access to a subfolder to a user where the user does not have execute permission over the parent folder
- Using TeamViewer tar package on Ubuntu
- Fedora GNU/Linux : Disable USB Storage Devices
- Fedora GNU/Linux: Disable/Stop or Enable/Start Bluetooth service
- GNU/Linux Fedora 27: Prevent Network Manager from restarting after reboot
- Ubuntu: install / start/stop enable/disable ssh server
- Ubuntu SSHD listen to multiple ports
- Lubuntu LVM Encrypted
- Kali GNU/Linux Rolling 64-bit: bash: metagoofil : command not found
- Lubuntu: “Do Nothing” when I close the laptop’s lid
- Qubes-OS 3.2: USB printer (and other devices)
- Qubes-OS 3.2 GNU/ Linux: Temporarily enable second language for keyboard
- Qubes-OS 3.2: Setup Windows 7 64bit
- Qubes OS 3.2: Resize fedora-23 TemplateVM Root Image
- How we accidentally fixed the black screen issue of OBS studio on Fedora 27 x64
- Qubes OS: Connect to Wi-Fi or Ethernet or another network
- How to create a compressed archive for each folder in current directory
- CentOS 6: install / start and stop / enable and disable ssh server
- CentOS 7: Setup a DHCP server and provide specific IP based on MAC address
- Regular expression to match any ASCII character
- NTFS Support on CentOS 7
- Ubuntu: Headless wireshark (or wireshark from terminal)
- Bash: Switch positions between all characters in odd positions with characters in even positions
- How to capture all network traffic of a single process
- How to set a static IP Address from the Command Line in GNU/Linux using ip addr and ip route
- How to instruct SSH use only my password and ignore my (rsa) key
- How To Install on GNU/Linux CentOS 7 the LAMP stack (Apache, MySQL, PHP) + phpMyAdmin
- Compiling Wireshark 1.8.8 on Fedora 25 (64bit)
- Fedora 25: Program a sysmocom SIM card using HID OMNIKEY 3121
- Make an external folder available into a chroot environment
- Fedora 25: Workaround to install system-config-kickstart
- Replace a character in all filenames
- How to Start/Stop or Enable/Disable firewalld on Fedora 25
- GNU/Linux: start System Settings from terminal to view error/warning messages
- How to “pause” (suspend) an active process
- Ubuntu server 16.04+ MySQL port is only accessible from localhost (127.0.0.1)
- CentOS: prevent eth0 from starting at boot time
- Send ALT+CTRL+Delete to QEMU virtual machine
- Fedora 25: install / start / enable ssh server
- Find which Ports are listening on Linux using netstat
- grep: How to match lines using any of multiple patterns
- A small note on how we use valgrind
- List available functions in a shared library .so file
- Fedora 25 with GNOME 3: Making a Wi-Fi hotspot
- How to find the program interpreter that a Linux application requests
- Device has MAC address X, instead of configured address Y.
- Start CLion as root on Fedora
- g++ not found on Fedora 25
- How to Start/Stop or Enable/Disable firewalld on CentOS 7
- How to search for specific filenames in .tar archives
- Downgrade GNU patch on CentOS 7.0 (64bit) to version 2.6.1
- How to suppress binary files from matching results
- Installing Jenkins on Red Hat (CentOS 7 64bit) distributions
- Install terminator in CentOS 7 (64bit)
- Building SnoopSnitch on Ubuntu 16.10 64bit
- Compiling GobiNet on Ubuntu 16.10 64bit
- Compiling GobiNet on Ubuntu 16.04 64bit
- Install terminator in CentOS 6.5 (64bit)
- Downgrade texinfo on CentOS 7.0 (64bit) to version 4.13
- Downgrade gcc on CentOS 7.0 (64bit) to version 4.8.2
- Fedora 23: Support exfat
- HOWTO: Make Terminator Terminal Act Like Guake Terminal in Ubuntu 16.04 LTS (The easy ways)
- How to set a static IP Address from the Command Line in GNU/Linux using ifconfig and route
- Ubuntu – Where is the LAMP/PHP error log
- Ubuntu: add a proxy for apt-get
- Lubuntu/Ubuntu: Add Greek keyboard to Layouts
- Ubuntu 11.10: How to re-order icons on unity launcher
- Fedora Linux: Install OFLB SMonohand Fonts
- C: How to tell the status of a socket
- A note on installing a Linux based system on a two hard disks machine
- Category: Bash
- Fixing KeePassXC Snap Not Detecting YubiKey
- Configuring YubiKey for Challenge-Response with YubiKey Manager (ykman)
- Fixing GNOME Not Loading After Installing FUSE on Ubuntu
- Fixing Display Settings Issue in Ubuntu 24.04: “Changes Cannot Be Applied” Error
- Setting up strongSwan on Ubuntu 22.04 and 24.04 with NetworkManager
- bash script to remove the word ‘DALL·E’ from all filenames
- Converting WebP Images to PNG Using parallel and dwebp
- Deep Dive into Wget: Mirroring Websites for Offline Access
- Executing a Cron Job Within an Anaconda Environment
- Various problems with legacy SSH systems
- Decrypting Firefox Traffic Using Wireshark in Ubuntu GNU/Linux
- Upgrade O.MG Cable Firmware in Ubuntu GNU/Linux
- How to Use Gmail to Send Email with Postfix on Ubuntu
- Mastering Desktop Zoom: A Guide to Keyboard Shortcuts on GNOME
- Bulk convert PNG images to JPG / JPEG
- How to monitor all outgoing requests/connections from your GNU/Linux machine
- How to empty the gnome tracker3 cache?
- Compressing mysqldump with pipe: MySQL
- 5 packages can be upgraded. Run ‘apt list –upgradable’ to see them.
- ffmpeg to convert MP4 files to MKV files with the libx265 video codec
- Unable to negotiate with IP port 22: no matching host key type found. Their offer: ssh-rsa
- Splitting a zip file (or any file) into smaller parts
- Remove Disabled Snaps.
- Linux: Delete all files that are older than X days
- Create an SSH tunnel for HTTP web server proxy
- Using a CSV input file, find all documents that contain any of the items in a cell of a column
- Ubuntu Distribution Upgrade: Not enough free disk space
- GNU Linux/Bash: A function that splits a word in half
- ImageMagick apply blur to photo using a black and white mask
- How to encrypt data using the PGP Public Key of an organization/entity
- Playing with shadow(s)
- The most useless piece of code that you will read today!
- Some notes on how to record audio from a terminal in Ubuntu 20.04LTS
- Ubuntu – Overwrite dockerd default settings
- How to retrieve the SSL cert expiration date from a PEM encoded certificate?
- A trick into using rsync with a custom port
- Using scp to copy a folder on a custom port
- Download Large Jupyter Workspace files
- sign_and_send_pubkey: signing failed for RSA from agent: agent refused operation
- Installing TensorFlow 2 Object detection on Ubuntu 18.04 LTS
- ffmpeg: Remove audio from several videos while preserving quality
- How to import .ovpn files on Ubuntu 18.04 Gnome Network Manager
- JSON command line formatter tool for Linux
- Assigning auto-increment IDs to empty fields in a KML/XML file
- Add a new line whenever the first column changes
- Bash: Problem with reading files with spaces in the name using a for loop
- Create an encrypted 7zip archive with encrypted header as well (no filenames are visible)
- NetCat (nc) as a webserver
- Custom terminator layout with multiple tabs and terminals
- How we create bootable GNU/Linux USB flash drives from terminal
- Change date in GoPro video files
- Perform diff on two folders
- How to find lines that contain only lowercase characters
- Fedora 26: C++: static linking cannot find -lstdc++ -lm and -lc
- Bash: After redirected input file is done, allow user to control application via STDIN
- Find all git repositories and perform a pull operation on them.
- Redirecting standard error (stderr)
- Bash: Remove the last character from each line
- Bash: Print time stamp in front of every line in a pipe
- How to execute `find` that ignores .git directories
- How to get the pid of the last executed command that was sent to the background in a bash shell
- File permissions change date
- Create a .tar file with different compression methods
- Script to clone all git repositories from all projects of a privately hosted Bitbucket server
- papouch: TMU – USB thermometer
- Find files that were created, modified or accessed in the last N minutes
- How to add automatically all empty folders in git repository
- Delete all empty directories and all directories containing empty directories
- Status of an executing dd
- Using .tgz files
- GNU/Linux find: Get results relative to the directory searching in, instead of directory shell is in
- Copy a symbolic link without traversing it
- Delete all files and keep the directory structure
- Get execution time in seconds
- convertAndPrintSeconds – Convert seconds to minutes, hours and days in bash
- cecho – a function to print using different colors in bash
- Bash: Check if file is found and contains data
- Convert a list of integers from MySQL to a Bash array
- Bash: Get date N days ago in the format YYYY_MM_DD
- Bash get script file name and location
- Bash: Extract data from files both filtering filename, the path and doing internal processing
- Ignore SSL certificates for GIT
- bash: Simple way to get n-th column
- ffmpeg: Extract audio from .MKV to .MP3
- Git: Delete all local branches
- Bash/FFMPEG: Batch resize .mp4 videos to fixed resolution
- HOWTO: Make Terminator Terminal Act Like Guake Terminal in Ubuntu 16.04 LTS (XenialXerus) Desktop edition x64 bit architecture
- Grep lines that do not begin with ‘#’ or ‘;’
- Copy all databases to another host
- Export/Backup all MySQL databases
- Bash Function to print out the files and the lines that contain a needle
- Recursively change extension of multiple files using find
- Fedora/Bash: Get the IP of enp0s3
- Ubuntu/Bash: Get the IP of eth0
- Automatically download possibly a whole public website using wget recursively
- Bash: Show GIT Remote Origin for each immediate subfolder
- Grep: Print only the words of the line that matched the regular expression, one per line
- Bash: Determine state of file
- Bash: How to iterate over associative array and print all key/value pairs
- Bash: Grep lines that start with a tab character
- Bash: Determinate state of variable
- Gnome3: How to scale background image
- HOWTO: Make Terminator Terminal Act Like Guake Terminal in Fedora 23
- Tail logs with color for Monolog
- ffmpeg: Extract audio from .MP4 to .MP3
- [GitLab.com] Clone all repositories in your account
- [GitLab.com] Get a list with the names of all repositories in your account
- [BitBucket.org] Clone all repositories of your account
- Bash function to execute any command multiple times
- Inline replacement of all newlines in file with br tag
- Replace date in files
- Use awk to print the last N columns of a file or a pipe
- Remove all .svn folders
- Bash: Read a file into a variable
- Pull all Git repositories you have access to
- Clone all repositories you have access to over ssh
- ffmpeg: Extract audio from .WEBM to .OGG
- ffmpeg: Extract audio from .WEBM to .AAC
- ffmpeg: Extract audio from .WEBM to .MP3
- ffmpeg: Extract audio from .MP4 to .OGG
- HOWTO: Make Terminator Terminal Act Like Guake Terminal in Fedora 20/Ubuntu 14.10
- Bash: How to execute from root account a script as another user
- Creating an MD5 hash of a string in bash
- How to list all available repositories on a Git server via ssh
- Bash script: How to check if it run by a user in terminal or not
- How to: remove prefix and suffix from a variable in bash
- How to: Extract all usernames that are logged in from who
- Generate Random Password
- Bash: Echo – Print with out changing line
- Bash: Close a range of open sockets by killing the PIDs that are holding them open
- Bash: Get Filename, File Extension and Path from Full Path
- Bash: Get random number that belongs in a range
- Remove the last character from a bash variable
- Remove the first character from a bash variable
- Linux: Bash: Get text between brackets
- Linux: Bash: Create a empty file of an specific size
- Linux: Bash: Kill terminal / console
- Linux Bash: How to print leading zeroes on a variable
- Linux Bash: How to find a string inside C/C++ Source and Header Files
- How we produce testcase filenames for Hellenico.gr problems
- Ubuntu Linux: How to register machine IPs and domain name to web-server using php
- Ubuntu Linux: How to execute a command on boot before/without login
- Bash: grep: A couple of usefull applications
- Bash: tr: A couple of usefull applications
- Bash: head: Remove last N lines from file
- Bash: tail: Remove first N lines from file
- How to change hostname (computer name) in Ubuntu (or Ubuntu Server)
- bash: killall: command not found — A solution
- How to call ‘top’ on a remote machine using ssh
- OpenSuse: Sudo Error: Cannot Connect to X Server
- One line infinite while loop
- Get a User’s User ID (UID), main Group ID (GID) and Supplementary Groups – See if user exists
- Bash: Read a file, line by line
- Remove leading characters/information from line using sed
- Extract filename from full path filename / Get file extension
- List the contents of a tar or tar.gz file
- Linux: Check if a User or a Group Exists
- gpasswd
- Ubuntu Linux: Basic SSH Setup On Ubuntu 10.10 Maverick Meerkat Using OpenSSH Server
- Run Remote Commands with SSH
- Remove the first line from file / Remove first N lines from file
- One line for loop
- Execute a command on the results of a search with the find command
- Get the total size of a directory or file
- Count Files in Folder
- Find all files that contain a string (Get filenames)
- Fedora and CentOS GNU/Linux: Add an existing user to the Sudoers list
- Connect with ssh wihout using a password / without login procedure / with passwordless login / with no authentication
- Ubuntu Linux: Enable CPU Frequency Scaling / Change CPU Frequency
- High speed HTTP/ HTTPS/ FTP/ BitTorrent/ MetaLink downloads from terminal
- Create a new partition in an LVM filesystem and mount it, resize it and delete it
- Add an existing user to an existing group
- Get the first column of a file in bash
- Kill all processes of a user (Or kill almost all using an exception list) in linux
- Resolve IPs for Servers listed in a file using /etc/hosts
- Category: Google
- Can’t Find Google’s App Passwords Option? Here’s How to Access It Directly
- Navigating Google Sites: The Challenge of Setting Up a Naked Domain for Free
- Python script to parse the GAM / Google Workspace CSV that contains all members of all groups
- Rough notes on using GAM to print all Members of all Groups in Google Workspace
- Screenshots on how to create a catch-all address for GMail in G Suite
- Google Hash Code 2022 – Online Qualification Round Problem
- A very good reason to avoid Google Pixel 6 and get a Google Pixel 5 instead
- Google Hash Code 2022 – Practice Problem
- Google Hash Code 2022 Nicosia Cyprus – Call for participation
- Google Storage on Google Photos 2021
- Reporting a virus on Google Drive
- Sign in to Google is required to continue to Forms, and someone might not like to sign-in.
- Get an Inside Look into working at Google
- Category: Hash Code
- Google Hash Code 2021 – Practice Problem
- Category: 2017
- Google Hash Code 2017 – Results
- Google Hash Code Final Round live stream and Extended Final Round
- Online Qualification Round Problem for Google Hash Code 2017
- Practice Problem for Google Hash Code 2017
- Google Hash Code 2017 – Online Qualification Round Schedule
- Google Hash Code 2017 Limassol Cyprus – Call for participation
- Google Hash Code 2017 Nicosia Cyprus – Call for participation
- Category: 2018
- Category: HowTos
- EPIC Cyprus – How to Top Up
- How to Manually Set Your Starlink Dish to Stow Mode
- Automating Video Retrieval from HIKVision NVR using Python Scripts
- Upgrading Your HIKVision DVR Firmware using the API: A Step-by-Step Guide
- The Fugle Company – The optimal solution
- Reset a WatchGuard Firebox M200
- MTN Cyprus – Get SIM Card IMSI and MSISDN using USSD codes
- Cannot verify domain with Yandex when domain is behind CloudFlare
- How to use git features on a local project without a Git server
- Create an HTML page with no JavaScript that will redirect the user after a few seconds
- PHP: Functions that check passwords if they are strong enough
- Windows with ffmpeg — recursively convert all *.mov movies to .mp4. with fixed resolution for android
- [JavaScript] Get values from URL parameter
- Java: Convert numeric String into Integer
- Java: error: Double.MIN_NORMAL not found
- Category: IEEE
- Join IEEEXtreme Coding Competition
- IEEEXtreme 15.0 Call for Judges / Problem Authors
- Programming Course Series [01 – Introductory course to python]
- Programming Course Series [beta]
- IEEEXtreme: What Did The Penalty Bracket Mean?
- Why sponsor IEEEXtreme
- About IEEEXtreme 14.0
- IEEEXtreme Uncut: Behind the Scenes. [Live-Stream]
- IEEE Region 8 – Valletta Meeting 2019 Mobile Application – Privacy Policy
- IEEE Region 8 – Belgrade Meeting 2018 Mobile Application – Privacy Policy
- Some amazing IEEE magazines for good reads
- Download IEEE MGA Bio Template (CV template / Resume Template) version 2013
- WordPress Action: Cookie compliance on IEEE websites
- IEEEXtreme 11.0 Programming Competition
- IEEE Region 8 Stockholm 2017
- IEEE Region 8 Porto 2016
- IEEE Region 8 Latex Template for Committee Meeting Agenda Book
- Information Technology / Computer Science and Electrical Engineering ClubΌμιλος Πληροφορικής και Ηλεκτρολόγων Μηχανικών
- Category: xtreme
- Category: Informatics Olympiads
- Category: Other
- Is toughswitch poe pro renamed to edge edgemax es-8xp?
- What kind of nut do I need to fit a camera tripod screw?
- DJI care – No activation code
- Using Revolut Metal in Cyprus
- Το Γυμνάσιο – Λύκειο ΟΛΥΜΠΙΟΝ συμμετέχει και φέτος στο πρόγραμμα Σχολείο Πρεσβευτής του Ευρωπαϊκού Κοινοβουλίου
- Το Γυμνάσιο – Λύκειο ΟΛΥΜΠΙΟΝ στην Ανοικτή Συζήτηση για το Μέλλον της Ευρώπης
- Tefal / T-fal OptiGrill does not allow mode selection
- Δραστηριότητες Ευρωγνωσίας στο ΟΛΥΜΠΙΟΝ
- Hikvision web UI cannot change admin password
- Quote from the book “What’s Wrong with the World” by G. K. Chesterton
- One Piece Staff Official Twitter Team Posted for Greek Olympian!
- Viber warning users that Google forced them to remove encryption from their data so that it can be accessed by them
- Rough notes on Ray
- Cloudflare: Error 522 – Connection timed out
- Cold-brew iceberg coffee
- How to use slack on a mobile device without the application (using a browser)
- iPhone asking for Passcode before adding one! – Phone locked
- Dress for the slide, not the ride!
- Cyprus Radio Frequencies for cars imported from Japan
- Lock-down pro-tip to save the battery of your car
- Handbook of COVID-19 Prevention and Treatment
- Hikvision DVR sending email over GMail
- Coronavirus disease (COVID-19) for Gamers
- Coronavirus disease (COVID-19) Myth busters!
- Some comments / a review on Huawei Color Band A2
- Cyprus – SIM Cards – How to find out my own number without calling/texting another number
- Cyprus Independence Day
- cytanet.com.cy IMAP and SMTP settings
- A special hardware offer from our friends at Bitcraze
- A special hardware offer from our friends at Bitcraze
- Anonabox Pro – Disable Wi-Fi
- Anonabox Pro – Set Root Password On Initial Setup
- Europe/Erasmus: Mobilise Yourself – Studying and Working in the EU – Logo Competition
- Reasons I got involved in Computer Science and Informatics
- Hugs Not Drugs
- Login to ‘CytaVoda WiFi’ with no password using your SIM card
- Cyprus – Prepaid Cards – Check Remaining Balance and Expiration Date
- Facebook gives hints about what a picture contains on the ‘alt’ field
- Rough notes for DJI Phantom 2 Vision +
- 3GPP Specification #: 25.331 version 14.1.0 – ASN.1 code
- Airliner Website Down on Release Day
- 2GB επιπλέον χώρος στο GMail
- Most traded currencies by value (December 2015)
- Prague: Stuff to see
- Bank of Cyprus charges 3% on purchases made in another currency
- American Express Credit Cards use different exchange rates than the ones you bank uses
- Travel Advisory for the 104th IEEE Region 8 Committee Meeting, Limassol – 28-29 of March 2015
- 1st Workshop on Conformal Prediction and its Applications (CΟPA 2012)
- 2nd Workshop on Artificial Intelligence Applications in Biomedicine (AIAB 2012)
- EPL 659 – Lab TimeΕΠΛ 659 – Ώρα εργαστηρίου
- Category: Locations
- Γάτζα
- Inga’s Veggie Heaven
- Rustic Cafe
- Carrefour Market Volos
- Carrefour Market West Limassol
- Jumbo
- Lab Confuzio Cafe & Bar
- Plus Discount Market
- Sun Tower Plaza
- MontParnasse
- Plato’s Bar
- Artisan’s Burgerbar
- Saint Elena Boutique Hotel
- TGI Fridays Limassol Marina
- Ponatha Cyprus Offshore Nautical Club
- Papaphilippou & Patisserie Panayiotis Ice Cream
- Hustle Bar / Lounge
- Category: Presentation
- Category: Photography
- Category: Programming
- Technical Deep Dive: Multi-Method Face and Person Detection in Python
- Bug Fix: Resolving TypeError in Face Descriptor Computation
- Solving the ‘numpy._DTypeMeta’ Subscriptable Error in Python
- Analyzing Data with Python: Counting how many times each value in a CSV occurs
- Using Face Recognition in Python to Extract Faces from Images
- Python: How to Connect and Use Office 365 Email
- Create an HTTPS server in Python 3
- Python 3 program that accepts a path to a binary file executes it, captures all output, and kills it once a part of the output matches a pattern or a timeout occurs
- Python 2 web server directory listing sorted by modification date
- Python 3 web server directory listing sorted by modification date
- An example of MySQL code that executes TRIM() to remove a prefix and/or a suffix from all entries that match a WHERE clause
- 2-on-2 A.I. football players trained with reinforcement learning M.L. playing against each other
- Quick note on setting up our programming environment for Coursera.org “DeepLearning.AI TensorFlow Developer Professional Certificate” on Ubuntu 18.04LTS
- Manually set the CMake output folder
- Two ways to append a new argument to CMAKE_ARGS list for ExternalProject_Add
- My .gitignore file is ignored by git and it does not work
- How to add untracked files to a git patch
- Ignore all edits to a file that is committed in git
- Git: Perform a stash addition using a custom/meaningful message
- Git: fatal: index file smaller than expected
- Forcing user to remove trailing spaces in git
- How to undo a Git commit that was not pushed
- Make building with cmake verbose
- mysqldump: Got error: 1044: Access denied for user ‘username’@’ip’ to database ‘db’ when doing LOCK TABLES
- Deprecated Syntactic Sugar in C++ for Minimum and Maximum functions
- Category: C
- Converting a (void*) buffer to a std::vector
- MilliSeconds per day
- Alternative to sched_yield()
- C/C++: Hack to use an array of 4 characters as one unsigned 32 bit integer and increment their value by one
- A peculiar way to get the biggest (max/maximum) value between two variables using bitwise operations
- C/C++: Get a random number that is in a specific range
- C/C++: Comparing the performance of syslog vs printf
- C/C++: Set and Get the name of a pthread
- C/C++: Change position of bytes 1 and 2 with bytes 3 and 4 in a 32bit unsigned integer
- C: Implicit declaration of function ‘read’ and ‘write’
- C/C++: How do you set GDB debug flag (-g) with cmake?
- How does the expression, “*pointer++” evaluate?
- C/C++: A small tip for freeing dynamic memory
- C: Code to time execution with accuracy greater than a second
- Reading data from /dev/i2c-%d
- C: Full example of pthread_cond_timedwait()
- C Bit Fields: Full example code
- asn1c: undefined reference to `SET_OF_encode_uper’
- asn1c: How do I know how big a buffer to allocate before using ‘uper_encode_to_new_buffer’?
- asn1c: What is the ‘write_stream’ parameter in the example code
- C: Read a floating number that might be in the format of scientific notation
- asn1c: Generating code using ‘Automatic Tags’ and negative value as default value creates invalid function names
- asn1c: Decoding an OCTET STRING with lower bound limit on its size fails for uper_decode()
- C/C++: Full example of reading a whole binary file to buffer
- asn1c: Full working example of ASN.1 in C/C++
- C/C++: Full example using a linked list with custom struct
- C/C++: Full example of using C code in a C++ project
- C/C++: Full example of using C++ code in a C project
- C/C++: Get the size of a file in bytes
- C/C++: Perform safe sprintf
- C/C++: Set Affinity to process thread – Example Code
- Fedora 24: Solution to gcrypt.h: No such file or directory
- C/C++: How NOT to define multiple pointers
- C: Split a buffer to a list of segments of a specific size in bits
- C/C++: Pass random value from parent to child after fork() via a pipe()
- C/C++: Pass value from parent to child after fork() via a pipe()
- C: Reading Complex Numbers
- C/C++: Set Affinity to threads Example Code
- Debugging Trick Using Variadic Macros in C and C++
- C/C++: An interresting macro to capture errors with perror, use custom error code number
- C/C++: How to round up a number
- C/C++: Syntactic Sugar for If Statement
- C/C++: Capture stdout from a system() command
- Category: C++
- C++ Source code to encrypt and decrypt the Ceasar cipher
- Compiling DJI Onboard-SDK: error: ‘fd_set’ does not name a type
- CentOS 7: C++: static linking cannot find -lstdc++ -lm and -lc
- C++: How to print an unsigned character (unsigned byte – uint8_t) using cout
- C++ How to make cout not use scientific notation
- C++: Simplified version of ‘Friends with benefits’ demonstrating friend classes
- C++: “undefined reference to” templated class function
- C++: Get size of enum
- C++: Print a string using printf (stdio.h)
- C++: How to set presission/decimal places to float numbers
- Category: Elm
- An Introduction to Elm Series: Solution to ‘Binary Tree’ example supplementary module ‘Queue’
- An Introduction to Elm Series: Solution to ‘Binary Tree’ example
- An Introduction to Elm Series: Solution to ‘Pair of Counters’ example
- An Introduction to Elm Series: Solution to ‘Time’ example
- An Introduction to Elm Series: Solution to ‘HTTP’ example
- An Introduction to Elm Series: Solution to ‘Random’ example
- An Introduction to Elm Series: Solution to ‘Forms’ example
- An Introduction to Elm Series: Solution to ‘Buttons’ example
- Category: Java
- JavaFX: Could not execute Jar build from artifact, while we could execute from IntelliJ IDEA
- Creating Jar with Intellij IDEA 2017.3 – no main manifest attribute, in .jar
- Fedora install JDK (OpenJDK)
- Remove all non digit characters from String
- Java: remove leading character (or any prefix) from String only if it matches
- Java: Methods on how to iterate over a List
- Java: Automatically get Enum from String
- Java: Create a lookup table for an Enum
- Java: Breakdown a long number to the powers of two it is composed from
- Java: Breakdown an integer to the powers of two it is composed from
- Java: Given a path to a file, create the folders to it
- Category: JavaScript
- Category: PHP
- Category: Python
- Category: SQL
- Category: Sierra Wireless
- Category: UAV
- Category: Uncategorized
- Category: University of Cyprus
- Really rough notes on compiling source code on Fedora 25 for STM32F767 Nucleo-144 (Nucleo-F767ZI)
- ECE795 – Study Notes
- Protected: Iris – Pico ITX Carrier Board V1.1a
- Protected: Colibri T20 (NVIDIA® Tegra™) 512MB V1.2a
- CFP: 2nd International Workshop on Computational Intelligence in Software Engineering (CISE 2012)
- EPL 659 – Announcement 15 February 2012ΕΠΛ 659 – Ανακοίνωση 15 Φεβρουαρίου 2012
- Εκπαιδευτική Ημερίδα Παγκύπριας Ολυμπιάδας Πληροφορικής
- Blood donation at the University of CyprusΑιμοδοσία στο Πανεπιστήμιο Κύπρου
- Category: Student Branch
- Category: Student Clubs
- Category: Windows
- Windows 10 and 11: How to change “Active signal resolution” to match “Desktop resolution”
- Enable BitLocker without TPM.
- Increase BitLocker to 256-bit
- Microsoft invented a new way to force users into using their online accounts
- Cloudflare certificate on tomcat windows server
- BitLocker needs your recovery key to unlock your drive because Secure Boot policy has unexpectedly changed
- Microsoft Windows “God Mode” and other shortcuts
- Using Sysinternals from the command line
- psftp.exe: The server’s host key is not cached in the registry. You have no guarantee that the server is the computer you think it is.
- Stop Windows 10 Updates
- Windows XP: Extend evaluation period (Not a permanent solution)
- ATEN – USB-to-Serial Converter (35cm) UC232A – Windows 10 (64bit) Drivers
- Reclaim empty space from VirtualBox VDI disk images by shrinking
- VirtualBox: Failed to attach the USB device to the virtual machine
- The disk is offline because it has a signature collision with another disk that is online
- Activate a wireless hotspot on Windows 10
- How to restart or shut down Windows through Remote Desktop
- Windows: Kill a service that Windows Task Manager does not stop
- Windows: How to start “Remote Desktop Connection” without the icon shortcut
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