Free. Runs in your browser. Master the Linux find command: search by name, size, age, and permissions, run commands on results, and audit SUID binaries and world-writable files. find is one of those commands that looks simple until you need…
Free. Runs in your browser. There are a countless number of commands in Linux. We are bound to use a number of them on a daily routine or numerous times to perform common tasks than others. It is important to…
DevOps & Cloud Engineer Running cat /var/log/nginx/access.log on an active server is an unforced error that most engineers make once before watching their shell lock up. The utility name is short, muscle memory takes over, and the…
To inspect one running program, you first need to pick it out of the process list. The ps command prints a point-in-time listing of selected processes and their attributes. I’ll explain what ps shows and show how to find a…
Finding files associated with a Linux command means knowing what kinds of files to look for. The whereis command searches its configured locations for files associated with a command. This article explains how to read whereis results and narrow a…
Terminal output can be useful to review alongside the commands that produced it. The Linux script command records an interactive terminal session in a file called a typescript, which contains entered commands and visible results. I’ll show you how to…
After a command is installed, its name may be clear while the executable’s location is not. The which command searches directories in PATH, the list of places used to find commands, and prints the path of a matching executable. You’ll…
Terminal checks can go stale while you read their output. The Linux watch command reruns a command at intervals and displays its current output in a terminal. In this piece, I’ll show you how to set a refresh interval and…
Looking up a command while working in a shell can interrupt the task you are trying to finish. A Linux command cheat sheet groups common commands by task and gives you a starting point for using them. I’ll show how…
Bash, zsh, fish, tmux, and terminal emulators for daily work.
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