Commands using sudo (520)

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remove empty lines in place with backup
Modify file in place to remove empty lines and create a backup of the original with the extension .bak

Generate a sequence of numbers.

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

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" }

Check your bash shell for vulnerability to the ShellShock exploit
If this command prints 'x' then your shell is vulnerable. Null output confirms that you are protected. Further reading: http://allanmcrae.com/2014/09/shellshock-and-arch-linux/

Reduce PDF size

Another Matrix Style Implementation

Using Git, stage all manually deleted files.

whois surfing my web ?

Current running process ordered by %CPU
Useful to detect which process is causing system loads. It shows process PID so as we can take further actions.


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