Commands using uniq (252)

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Check if a process is running
Send signal 0 to the process. The return status ($?) can be used to determine if the process is running. 0 if it is, non-zero otherwise.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Count items in JSON array
Pipe any JSON to jq, then count with the appropiate expression and use the | length on the array

Easily decode unix-time (funtion)
A shell function using perl to easily convert Unix-time to text. Put in in your ~/.bashrc or equivalent. Tested on Linux / Solaris Bourne, bash and zsh. using perl 5.6 and higher. (Does not require GNU date like some other commands)

know the current running shell (the true)
Return the current shell. It is better than print $SHELL which can sometimes return a false value.

Trojan inverse shell
To connect to the shell run: $ nc server.example.org 2000

Scan for nearby Bluetooth devices.
Scans local area for visible Bluetooth devices. Use 'hcitool inq' to discover the type of device it is. And use -i hciX option to specify the local Bluetooth device to use.

Cleanup debian/ubuntu package configurations
Sometimes, simpler is better.

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Check host port access using only Bash:


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