There’s actually a command to list all other commands that a Linux shell knows, but more than likely you’re not familiar with it. If there’s ever been a counterintuitive Catch-22 in regards to using GNU/Linux
There’s actually a command to list all other commands that a Linux shell knows, but more than likely you’re not familiar with it. If there’s ever been a counterintuitive Catch-22 in regards to using GNU/Linux-based operating system command lines, then this is it. That being said, it...
Warning: Be careful to understand exactly what the effect of your combined "find + other commands" execution will be. A typo could easilyfindall files in/etcand then attempt to delete them or configure permissions that lock legitimate users out of their home directories. Bonus 3: Display permi...
This tutorial is part of the tutorial "Linux file permission Explained with Examples.". Other parts of this tutorial are as follows: Chapter 1Linux File Permission Explained in Easy Language Chapter 2How to use chmod command in Linux Explained with Examples Chapter 3How to change defaul...
Nohup is a basic utility primarily used for running commands that need to persist even after a user logs out. It achieves this by making the command immune to the SIGHUP signal, which is typically sent to processes upon logout. Additionally, nohup redirects the standard output and standard er...
Well, if you have any problems with DNS resolution or want to check the DNS information, you can always look for that information with the dig and nslookup commands in Linux.
3. Commands to View Namespaces in Linux Let’s look at some of the commands and files we can use to view our system namespaces. We’ll look at lsns and the /proc/<PID>/ns directory. 3.1. The lsns Command The lsns command provides information about all the namespaces in the system. ...
Let’s first save all the output lines to a file: $ rpm -qa --last > package_list Then, we can open the package_list file with a text editor like Vim or Nano and remove extra lines. Also, we can remove the extra lines with commands such as sed. Finally, we have a file that ...
While ‘killall’ is a powerful tool, there are other commands in Linux that can accomplish similar tasks. One such command is ‘pkill’. Using the ‘pkill’ Command The ‘pkill’ command sends a signal to processes based on their names. It works similarly to ‘killall’, but it matches ...
To change permissions, use the chmod command. First, pick the set of permissions that you want to change, and then pick the bit to change. For example, to add group (g) and world (o, for “other”) read (r) permissions to file, you could run these two commands: ...