/etc/sudoers HowTo - Linux / Unix Q & A from nixCraft

How to run multiple commands in sudo under Linux or Unix

last updated October 17, 2017 in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, Suse, Ubuntu Linux, UNIX

I am a new Linux user. How do I run two commands from a bash shell? I need to run apt-get update and apt-get -y upgrade without typing sudo command two times from a command line on Ubuntu Linux AWS cloud server. How can I two commands in sudo ‘command1 && command2’?

How to create a new sudo user on Ubuntu Linux server

last updated January 23, 2017 in Linux, Ubuntu Linux, User Management

I am a new Ubuntu Linux 16.04.xx LTS server user. How do I create a new sudo user on my server? How do I add a new user as sudoer file using the command line option on Ubuntu?

How to run sudo command without a password on a Linux or Unix

last updated April 18, 2017 in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, Suse, UNIX

I‘m a new Unix system user. How do I use sudo command without a password on a Linux or Unix-like systems? I log in as tom@my-cloud-server-ip and disabled root login for ssh. After login, I need to run some commands as root user. I am the only sysadmin using my server. How do I run or execute sudo command without a password for a user named Tom under Debian/Ubuntu/CentOS Linux cloud server?

How To Add, Delete, and Grant Sudo Privileges to Users on a FreeBSD Server

last updated December 2, 2014 in FreeBSD, UNIX, User Management

I‘m setting up a new FreeBSD server. I do not want to use a default root user who has full system access. How can I setup and grant sudo privileges to users on a FreeBSD VPS or server?

-bash: sudo: command not found Error and Solution

last updated July 29, 2012 in CentOS, Debian / Ubuntu, RedHat and Friends

I‘m typing the following command:

But, getting the error:

How do I fix this problem under Debian / Ubuntu / RHEL / CentOS Linux?

CentOS / Red Hat: Sudo Allows People In Group Admin To Run All Commands

last updated August 18, 2009 in CentOS, Fedora Linux, Linux, RedHat and Friends, Security, Troubleshooting, Ubuntu Linux, User Management

I like the way Ubuntu Linux works – all people in admin groups should able to run all commands after running it via sudo “command-name”. How do I setup sudo under CentOS or Red Hat Enterprise Linux to allow all members of the ‘admin’ group to run all commands?

UNIX / Linux: Send E-mail When sudo Runs

last updated July 1, 2009 in AIX, CentOS, Debian / Ubuntu, FreeBSD, HP-UX Unix, Linux, OpenBSD, RedHat and Friends, Solaris-Unix, Suse, Ubuntu Linux, UNIX

I‘m not told to use the root user to perform activities that do not require it. I’ve configured sudo for myself and for other web developers so that they can restart MySQL or Apache web server. How do I send email when sudo run by one of my user? How do I keep track of user login done via sudo command?