Commands tagged Ubuntu (89)

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Adding Prefix to File name
Good old bracket expansion :-) For large numbers of files, "rename" will spare you the for-loop, or the find/exec...

Upload folder to imageshack.us (forum)
Each file in the current folder is uploaded to imageshack.us If the folder contains other filetypes change: $for files in * to: $for files in *.jpg (to upload ONLY .jpg files) Additionally you can try (results may vary): $for files in *.jpg *.png The output URL is encased with BB image tags for use in a forum.

Install pip with Proxy
Installs pip packages defining a proxy

Detect illegal access to kernel space, potentially useful for Meltdown detection
Based on capsule8 agent examples, not rigorously tested

grep processes list avoiding the grep itself
Trick to avoid the form: grep process | grep - v grep

disable caps lock
a quick one-line way to disable caps lock while running X.

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" }

Type a random string into a X11 window
Just after you type enter, you have 3 seconds to switch window, then "texthere" will be "typed" in the X11 application that has focus. Very useful to beat your score at games such as "How fast can you type A-Z".

Perl oneliner to print access rights in octal format
This prints file access rights in octal - useful when "stat" is unavailable.


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