ssh


[BitBucket.org] Clone all repositories of your account 2

Clone all bitbucket projects

 BBA=MyUserName; curl --user ${BBA} https://api.bitbucket.org/2.0/repositories/${BBA} | grep -o '"ssh:[^ ,]\+' | xargs -L1 git clone 

The above curl call will connect to the server using your username and return the list of repositories that are available to your account.

Please note that you need to provide you username NOT your email.
If you make these calls using the email that was used to register the account, then the call will fail.

After the call succeeds, the results will be filtered and each repository will be cloned to the current folder.
In case your ssh key is locked via a password, each time a clone operation will start, you will be asked for the password.

Example:

BBA="bytefreaks"; curl --user ${BBA} https://api.bitbucket.org/2.0/repositories/${BBA} | grep -o '"ssh:[^ ,]\+' | xargs -L1 git clone
Enter host password for user 'bytefreaks':
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  3834  100  3834    0     0   4414      0 --:--:-- --:--:-- --:--:--  4411
Cloning into 'bluetoothclicker'...
Warning: Permanently added the RSA host key for IP address '104.192.143.1' to the list of known hosts.
Enter passphrase for key '/home/bytefreaks/.ssh/BitBucket/id_rsa': 
warning: You appear to have cloned an empty repository.
Checking connectivity... done.
Cloning into 'watch'...
Enter passphrase for key '/home/bytefreaks/.ssh/BitBucket/id_rsa': 
warning: You appear to have cloned an empty repository.
Checking connectivity... done.

List all bitbucket projects

In case what you want is just to list your repositories, execute the following:

 curl --user ${BBA} https://api.bitbucket.org/2.0/repositories/${BBA} | grep -o '"ssh:[^ ,]\+' | xargs -L1 echo 

Usage instructions: set your username to the BBA variable and execute.

BBA="bytefreaks"; curl --user ${BBA} https://api.bitbucket.org/2.0/repositories/${BBA} | grep -o '"ssh:[^ ,]\+' | xargs -L1 echo
Enter host password for user 'bytefreaks':
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  3834  100  3834    0     0   3543      0  0:00:01  0:00:01 --:--:--  3546
ssh://[email protected]/bytefreaks/bluetoothclicker.git
ssh://[email protected]/bytefreaks/watch.git
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How to list all available repositories on a Git server via ssh 9

ssh [email protected] info

The above ssh call will connect to a Git hosting server that has gitolite installed and will return the list of repositories that are available to your account along with the access rights of each.

Note: This command should work even if remote login via ssh is blocked on the server.

The command should return a list similar to this:

hello bytefreaks, this is [email protected] running gitolite3 v3.5.3.1-1-gf8776f5 on git 1.7.1

 R W	Repo1
 R W	Repo2
 R W	Repo3
 R  	Repo4

The first column in the results is the read flag, the second the write flag and the third column is the name of the repository.

In order to clone (get a local copy) a repository from the above list (for the example lets use Repo1) you have to issue the following command

git clone ssh://[email protected]/Repo1

To clone all of the repositories in the current directory with one command, as it is shown in this guide, issue the following command:

ssh [email protected] info | cut -f 2 | tail -n +3 | xargs -I {} -n 1 git clone ssh://[email protected]/{}


How to call ‘top’ on a remote machine using ssh 8

Some times it is not straight forward to call some remote commands using ssh (example of syntax here). Commands like top will not execute as is because they need some environment variables modified due to their interactive nature.

Usage example of wrong remote call to top and its result:

ssh remoteMachine 'top'
TERM environment variable not set.

We cannot really describe all of the solutions available but since we are talking about top, we will present a very simple solution.
Luckily, top can be executed in batch mode, which is used for sending output from top to other programs or files by invoking the -b parameter and thus changing the command syntax to:

ssh remoteMachine 'top -b'

This will work just fine but give you a full page of results which might be too much info. To limit the results that you are receiving you can filter the top command results with other commands like head. In the following example we use head to limit the number of rows retrieved to 8, so that we get the system status and the most computational intensive command of our system.

ssh remoteMachine 'top -b | head -n 8'

Which will result to something like this:

top - 07:29:38 up 1:04, 0 users, load average: 2.85, 2.83, 2.24
Tasks: 62 total, 2 running, 60 sleeping, 0 stopped, 0 zombie
Cpu(s): 27.8%us, 0.4%sy, 0.0%ni, 71.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1022116k total, 68960k used, 953156k free, 4364k buffers
Swap: 3905532k total, 0k used, 3905532k free, 22776k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
842 userName 20 0 32212 1320 1120 R 188 0.1 46:51.91 application.binary

Connect with ssh wihout using a password / without login procedure / with passwordless login / with no authentication

From your machine issue the following commands in order to let the server know of your information and allow you to login without going through the interactive authentication phase.

ssh-keygen -t rsa
ssh-copy-id -i ~/.ssh/id_rsa.pub [email protected]

*NOTE: This method does not allow to connect the other way around without credentials. You need to repeat this from the other machine as well to make it two way.