Short IT recipes

i.e. some stuff and junk about Python, Perl, Matlab, Ruby, Mac X, Linux, Solaris, ...

Wednesday, November 13, 2019

ffmpeg: convert audio to acc but copy video

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ffmpeg -i ./input_file.mkv -c:v copy -c:a libfdk_aac -vbr 3 output.mkv
Monday, October 14, 2019

Tmux: nested sessions C-a binding

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Add this to your local `~/.tmux.conf` bind-key -n C-a send-prefix
Saturday, October 05, 2019

vnc using systemd in user mode

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File: /home/mwo2/.config/systemd/user/myvnc@:1.service [Unit] Description=My VNC [Service] Type=simple ExecStartPre=/bin/sh -c '/...
Saturday, September 28, 2019

mkvpropedit: change default audio track

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mkvpropedit --edit track:a1 --set flag-default=1 file.mkv
Friday, May 24, 2019

vim: disable you-complete-me for a given file

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let g:ycm_auto_trigger=0 let g:enable_ycm_at_startup = 0 let b:ycm_largefile=1
Sunday, March 17, 2019

Sourcing bash completion in .bashrc

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Add the following into your .bashrc: source /etc/profile.d/bash_completion.sh
Wednesday, February 27, 2019

Tmux: Control nested/remote session with C-a, instead of C-b

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bind-key -n C-a send-prefix The local session still will be C-b.
Tuesday, February 12, 2019

firefox: disable webrtc

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Go to about:config Set peerconnection.enabled to false Check on https://ipleak.net/

firefox socks5 through ssh proxy

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ssh -ND 1080 user@proxyserver
Saturday, December 15, 2018

vim: copy to clibpard

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Add this to ~.vimrc, for ctrl+c shortuct vnoremap :w !xclip -i -sel c
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