In this article, we will look what are chattr and lsattr commands in Linux and how to use these commands. 1. What is chattr and lsattr ? chattr corresponds to “change attribute” and used to change few file/filesystem attributes. lsattr corresponds to “list attribute” and used to list ...
Kali Linux is the OS most frequently used by both ethical and malicious hackers for almost every aspect of cybersecurity. It includes almost every imaginable hacking tool, meaning learning to use it is a journey, not a simple skill that can be picked up watching a 10-minute tutorial. Kali ...
You can use thewhichcommand to figure out whether a command is internal or external. It prints the location from where the specified command executes. Internal commands are part of the shell and execute directly from the shell. If the given command is internal, It does not display any output...
The setuid/SUID concept is tricky and should be used with utmost cautious otherwise you’ll leave security gaps in your system. It’s an essential security concept and many commands (likeping command) and programs (like sudo) utilize it. ...
allneeded - Forces the calculation of all fonts that are needed to preview a set of dvi files. alloc - Shows how much memory is used and free. anacron - Runs commands periodically. answer - Is a utility that secretaries can use for easily creating emails while recieving a phone call. ...
Related:37 Important Linux Commands You Should Know How to Open the Manual To useman, you typemanon the command line, followed by a space and a Linux command.manopens the Linux manual to the "man page" that describes that command---if it can find it, of course. ...
For example, if you have a group ofdeveloperswho need access tocertain administrative commands, you can create a user alias for them. User_Alias DEVELOPERS = user1, user2, user3 With this alias defined, you can then grantsudoprivileges to all users in theDEVELOPERSalias. ...
You can use sudo to run commands as a user that is not root by using the -u or --user= option. In the example below, we use the --user option to run the sudo command as the pi user. We use whoami to confirm the command runs under the pi user. sudo --user=pi whoamiCopy As...
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: ...
Linux, like other advanced operating systems, supports communication over the network. In Linux all settings are stored in accessible files. In this way, certain files can be edited, and necessary settings can be made easily. You can easily manage the commands used for network and DNS settings ...