This is something I wrote for myself, to use on a server that I manage where the users have cryptic usernames, and I'd like to tag them with clear text. I'll modify it in the future to parse /etc/password which is the database where this information is from (which is a better way to achieve this). Add the following line to your .bashrc to check it out: function fingr() { sudo printf "User Name [$1]:" && sudo printf "\n\n\n\n\n" | sudo chfn $1 | grep : ; } The idea to write something like that came after reading this post (I'm not affiliated): http://shinnok.com/rants/2013/09/18/alternative-to-the-finger-unix-command $ fingr root User Name [root]: Full Name [Mr. Root]: Room Number []: Work Phone [555-GOT-ROOT]: Home Phone [] Other [Root account]: Show Sample Output

For example, if you have a locally hosted git server, plus github, plus gitlab.

...changes modify time and access time. also: touch -r [file1] [file2] # make file2 timestamp match file1

Using perl, here, we grep the man page of fetchmail to find the paragraph starting with '-k | --keep' and ending before the paragraph starting with '-K | --nokeep' Show Sample Output

This command will print all fields from the given input to the end of each line, starting with the Nth field.

after installing new fonts ( tfm , pfb , cjk , truetype ... ) manually in your ~/.Texmacs/fonts , it doesn't always reload it properly , just refresh it by delete the old cache fonts in sample output , I just installed TrueType Chinese CJK fireflysung fonts supports Show Sample Output

A really useful pair of du options. Show Sample Output

This is similar to using `!!` or In bash 4.1 it seems you can bind directly to a shell command, but I'm not running that version. Show Sample Output

Requires 'reflector' package from official repository. '5' in the example is the number of mirrors you want in the mirrorlist, could be other numbers of course.

The command will make it easy to determine free IP ranges in a crowded sub-net. Show Sample Output

Get the amount of physical memory in an HP-UX v11 OS when following are NOT available: - root account - no privileges in /proc - no privileges in /dev/mem Show Sample Output

list all java process info.

This is used during pentest to quickly poll all the processes running on a set of systems you have common credentials for the /FAILFAST:ON speeds up the scans. Show Sample Output

Silent: anywait () { for pid in "$@"; do while kill -0 "$pid" >/dev/null 2>&1; do sleep 0.5; done; done } Prints dots: anywaitd () { for pid in "$@"; do while kill -0 "$pid" >/dev/null 2>&1; do sleep 0.5; echo -n '.'; done; done } Prints process ids: anywaitp () { for pid in "$@"; do while kill -0 "$pid" >/dev/null 2>&1; do sleep 0.5; echo -n $pid' '; done; echo; done } You cannot anywait for other users processes. Show Sample Output

Produces the same, but without current directory size (.).

This command tars/gz all the folders contained in a directory. Only applies to top level directory. Very handy when you have to transfer mny folders containing lots of stuff. Can also work with tar only, zip...

Replace video and audio extension according to your needs

Dumping man pages to text typically retains certain formatting such as foo^H^H^H___ for underscoring, and reverse-line feeds (not sure why). 'col -bx' removes these. Show Sample Output

This will print to the screen password for the user specified in "sys_users.login='xxxx';. This is for Plesk servers only. Show Sample Output