sudo install, usage and sudoers config file basics

Aug 20, 2018 · The first command should reveal a location of a sudo binary executable and the second program will output a version number of sudo command its self. The sudo configuration file sudoers is in most cases located in /etc/sudoers. You can use ls command to locate this file. $ ls -l /etc/sudoers -r--r----- 1 root root 481 2010-04-08 21:43 /etc/sudoers May 22, 2018 · Even sudo npm install -g with a valid installation target can mess things up for you and make it hard to use npm without sudo under some circumstances in the future -- particularly if you change How do you use sudo su? If you are allowed (configuration of sudo) to use the su command, it asks you for your password and then logs you in as root. Short answer: you will get a root shell. Long answer: it is different from doing ‘su -‘ within a root shell. Once you exit (eg., Ctrl-D) from ‘sudo su -‘, the execution of sudo will end. Simply, in order to execute commands as root you must use su (even sudo uses su) As long as you execute sudo ./ successfully just instead : sudo su "#" //commands as root here "#" exit //commands as use here you can make it a shell function with the name sudo, but no other better way i think,however it's the case with scripts inti,rc

How to test whether a user has sudo privileges or not. There are a few ways to check if a Linux user can use sudo or not. Here are a couple of them. Method 1: Check if user is sudoer with the sudo command. The sudo command itself gives you an option to check if a user can run commands with sudo or not.

Aug 06, 2018 · Limit who can use sudo and for what. The main purpose of the sudoers file is to control which users can run sudo. Without sudo, users can’t elevate their permissions. If you have multiple users accessing the same system through shells, you can control their access by setting values in sudo. Every sudoers file will have the following line: While sudo is no doubt a must-know command for any and everyone who works on the command line in Linux, there are several other related (and in-depth) details that you should know in order to use the command more responsibly and effectively.

Dec 07, 2019

2 days ago · sudo apt-get install simplescreenrecorder Arch Linux. Arch Linux users can install SimpleScreenRecorder with the Pacman command below. sudo pacman -S simplescreenrecorder Fedora. To use SimpleScreenRecorder on Fedora Linux, you must install the RPM Fusion Free software repository. To set it up, follow this guide here. Jan 11, 2015 · In Ubuntu Linux there is not root account configured by default. If users want root account password then they can manually set it up oo can use ‘sudo’. As we all know, Linux in many ways protects users’ computer being used for bad purposes by some nasty people around us. Using sudo is one of those good ways. Feb 14, 2020 · New users to Linux (especially Ubuntu) eventually become aware of the Sudo command. Many users never use it for anything other than getting past "permission denied" messages — but Sudo does so much more.