Commands by jimmyayers7 (0)

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    bash: commands not found

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Exit shell faster
Use ^D instead of exit. Also ^D ends input stream when you use terminal for typing into standard input.

Graphical tree of sub-directories
Prints a graphical directory tree from your current directory

Command to logout all the users in one command
Only to logout all users except root

check open ports without netstat or lsof

Spy audio, it only records if detects a sound or noise
It find out the mic recording level at the moment of run the command and if a noise level is higher it starts to record an mp3 file. The resulting file will have only the sounds not the silences.

dd with progress bar and statistics
Uses the pv utility to show progress of data transfer and an ETA until completion. You can install pv via Homebrew on macOS

delete all trailing whitespace from each line in file

Find if $b is in $a in bash
Find if $b is in $a in bash

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)

View a file with less, starting at the end of the file
The same as typing 'less filename' then 'G' or '>' or the END key. Comes in handy with shell scripts or aliases: alias weblog='less +G /var/log/httpd/access_log' alias errlog='less +G /var/log/httpd/error_log'

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