Commands using grep (1,935)

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Print diagram of user/groups
Parses /etc/group to "dot" format and pases it to "display" (imagemagick) to show a usefull diagram of users and groups (don't show empty groups).

Finding all files on local file system with SUID and SGID set

perl one-liner to get the current week number
Not perl but shorter.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

View online pdf documents in cli
Probably will not work very well with scanned documents.

Oneliner to run commands on multiple servers
Oneliner to run commands on multiple servers over ssh. - First parameter "$1" is the command you want to execute remotely. ( It can be multiple commands e.g. "hostname;uptime") - Second parameter "${@:2}" represents the remote host/s you want to run the command/s on.

most used unix commands

Start another instance of X via SSH

Install pip with Proxy
Installs pip packages defining a proxy

count how many cat processes are running
'ps ax' provides the fill list of running processes. 'grep -c [c]at' will find all processes that match 'cat' without matching itself....


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