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How to import .ovpn files on Ubuntu 18.04 Gnome Network Manager

To import a .ovpn file in Gnome Network Manager you just need a simple command to enable the appropriate plugin:

sudo apt-get install network-manager-openvpn-gnome;

.. and as simple as that you can process your .ovpn files from the network manager as you would do with other VPN profiles.


Some rough notes on merging videos side by side with ffmpeg 2

ffmpeg \
-i "v1.mp4" \
-i "v2.mp4" \
-filter_complex " \
nullsrc=size=1900x950 [base]; \
[0:v] setpts=PTS-STARTPTS, scale=950x950 [left]; \
[1:v] setpts=PTS-STARTPTS, scale=950x950 [right]; \
[base][left] overlay=shortest=1 [tmp1]; \
[tmp1][right] overlay=shortest=1:x=950 \
" \
-c:v libx264 output2.mkv

ffmpeg \
-i "v1.mp4" \
-i "v2.mp4" \
-i "v3.mp4" \
-i "v4.mp4" \
-filter_complex " \
nullsrc=size=1900x1900 [base]; \
[0:v] setpts=PTS-STARTPTS, scale=950x950 [upperleft]; \
[1:v] setpts=PTS-STARTPTS, scale=950x950 [upperright]; \
[2:v] setpts=PTS-STARTPTS, scale=950x950 [lowerleft]; \
[3:v] setpts=PTS-STARTPTS, scale=950x950 [lowerright]; \
[base][upperleft] overlay=shortest=1 [tmp1]; \
[tmp1][upperright] overlay=shortest=1:x=950 [tmp2]; \
[tmp2][lowerleft] overlay=shortest=1:y=950 [tmp3]; \
[tmp3][lowerright] overlay=shortest=1:x=950:y=950 \
" \
-c:v libx264 output4.mkv

ffmpeg \
-i "video.mp4" \
-i "drones/0/video.mp4" \
-i "drones/1/video.mp4" \
-i "drones/2/video.mp4" \
-i "drones/3/video.mp4" \
-i "drones/4/video.mp4" \
-filter_complex " \
nullsrc=size=2850x1900 [base]; \
[0:v] setpts=PTS-STARTPTS, scale=950x950 [upperleft]; \
[1:v] setpts=PTS-STARTPTS, scale=950x950 [uppermiddle]; \
[2:v] setpts=PTS-STARTPTS, scale=950x950 [upperleft]; \
[3:v] setpts=PTS-STARTPTS, scale=950x950 [lowerleft]; \
[4:v] setpts=PTS-STARTPTS, scale=950x950 [lowermiddle]; \
[5:v] setpts=PTS-STARTPTS, scale=950x950 [lowerright]; \
[base][upperleft] overlay=shortest=1 [tmp1]; \
[tmp1][uppermiddle] overlay=shortest=1:x=950 [tmp2]; \
[tmp2][upperleft] overlay=shortest=1:x=1900 [tmp3]; \
[tmp3][lowerleft] overlay=shortest=1:y=950 [tmp4]; \
[tmp4][lowermiddle] overlay=shortest=1:y=950:x=950 [tmp5]; \
[tmp5][lowerright] overlay=shortest=1:y=950:x=1900 \
" \
-c:v libx264 output6.mkv