Tag Archives: Linux terminal

How to quickly create swap files on Linux

Swap is the space on the disk that is used when the physical RAM is full. When the Linux system runs out of RAM, the inactive pages are moved from the RAM to switching space. Swap space can take the form of a private swap partition or swap file. In …

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Umask commands described in Linux Terminal

On Linux and Unix, all new files are created with the default permission set. The umask utility allows you to view or set the creation of a file mask mode, which defines bit permissions for newly created files or directories. It’s used by mkdir, touch, tee and other commands that …

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A tutorial on Fsck Command in Linux for file system repair

fsck (File system check) Is a command-line utility that allows you to perform consistency checks and interactive fixes on one or more Linux file systems. Fsck uses its own program for each type of system file it checks. You can use commands fsck For repairing corrupted system files in cases …

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Using the W command in Linux Terminal

In this article we will talk about commands w (Command w). w is a command line utility that displays information about currently registered users and what each user is doing. It also provides information about system operation time, current time and Average load the system. How to use the w …

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Brief description of the file Linux / Unix /etc/shadow

There are many authentication schemes that can be used on Linux systems. The standard and most commonly used schemes are for validating /etc/passwdand /etc/shadow. /etc/shadow It is a text file that contains information about a system user’s password. The /etc/shadow file belongs to the root and shadow group and has …

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An easy way to set or change timezone in Linux

Time zone (time zone) is a geographic region that has the same standard time. The time zone is usually set during OS installation, but it can be easily changed at your convenience. Using the correct timezone is essential for many system-related tasks and processes. For example, we are in Indonesia …

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A tutorial on creating an alias in Bash Linux Terminal

Do you often write long commands at the station? Or often looking at the bash registry because you forgot too long commands? If yes, then you will find bash aliases very helpful. Bash Alias ​​allows you to assign easy-to-remember shortcut commands to longer commands. Bash aliases are basically shortcuts that …

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An Introduction to Uname Commands on Linux

In this article we will cover the commands uname. uname is a command-line utility that prints basic information about the name of the operating system and system devices. Uname command Tools uname Most commonly used for displaying processor architecture, system hostname, and kernel version running on the system. Syntax of …

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Learn about Command id in Linux

Command id It is a command-line utility that prints user and group IDs. Using the id command The syntax of the id command is as follows: id [OPTIONS] [USERNAME] If the input options username If deleted, the id command displays information about the currently registered user. When connected without any …

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Understanding and using the Tcpdump command on Linux

tcpdump It is a command line utility that you can use to capture and inspect network traffic to and from your system. tcpdump is the most widely used tool among security experts or network administrators for network troubleshooting and security testing. Regardless of the name, with tcpdumpYou can also capture …

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