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change microdvd subtitles framerate
this command example converts to 25 fps subtitles that were originally created for 24 fps movie

Perl Command Line Interpreter
Can also just use the debug mode like this.

See the top 10 IP addresses in a web access log

Purge configuration files of removed packages on debian based systems
also search with aptitude search '~c'

check open ports without netstat or lsof

Alias for lazy tmux create/reattach

Make vim open in tabs by default (save to .profile)
I always add this to my .profile rc so I can do things like: "vim *.c" and the files are opened in tabs.

Download all .key files from your android device to your pc.

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Using a single sudo to run multiple && arguments
This will also work with bash instead of sh shell sudo bash -c 'apt update -y && apt upgrade -y'


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