sudo – POFTUT

Tagged: sudo

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How to Become SuperUser or Root with su Command In Linux?

Linux provides root account as superuser or Administrator. As root account has all privileges to manage a system this may be a threat for misuse or error of administrators. We generally use normal user accounts in daily operation and change to the superuser with su  command. Root root exist all Linux systems and...

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“-bash: sudo: command not found” Error and Solution For Linux, Debian, CentOS

sudo  command is used to execute command as another user. This is generally used to run command as root. In some cases we can get an error like -bash:sudo:command not found which means sudo is not installed. In this tutorial we will look different ways and distributions to solve this problem. Install...

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What Does “sudo apt-get update” do?

We have examined the apt-get  and its sub commands in a detailed manner previously. apt-get  is used to manage installed packages in a Linux distribution like Ubuntu, Debian, Mint, Kali etc. Here we will look simply sudo apt-get update  and related commands to update a deb based Linux distribution. For...

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Linux Chroot Command Tutorial with Examples

Linux provides different mechanisms for practical and security reasons. chroot is one of them. Processes in linux can access to the file system or root by default. Linux kernel also provides chroot mechanism to restrict access to the whole filesystem in Linux. Syntax The chroot syntax is like below.

OPTION is chroot...

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What is chmod 777

chmod 777 is very popular ownership command. 777 simply means give all rights to the all users. chmod 777 generally used to make operations more smoothly because it will remove all ownership related problems. We generally use chmod 777 some error message like below.

All Files and Directories Recursively One of the most...

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Linux Sudo Command Tutorial with Examples To Get Root Privileges

Linux sudo command is used to give root privileges to the normal users . /etc/sudoers file is used for configuration of sudo . Sudoers file provides the users who can run sudo command. Sudoers also used to limit the commands the user can run. Run Command With Sudo Sudo command will accept given command and...

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How To Prevent Deleting Files Accidentally?

Every system admin horror is deleting files accidentally especially important and not backup ed configuration files. Here is how can we recover deleted files from Linux systems which is next situation if we skipped this step. Ask Before Deleting Files rm is defacto tool to remove files from Linux system. We...

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