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Linux and Unix tutorials for new and seasoned sysadmin

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Tag: usermod command

How to create a new sudo user on Ubuntu Linux server

last updated December 2, 2018 in Categories 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?

1 Comment

CentOS / RHEL: Set Accounts To Disable After Password Expiration

last updated December 1, 2012 in Categories CentOS, RedHat and Friends

How do I automatically disable user accounts after 30 days after password expiration date under CentOS / Fedora / Red Hat / RHEL / Scientific Linux server operating systems?

3 Comments

Ubuntu Linux: Add a User To Group

last updated June 10, 2013 in Categories Ubuntu Linux

How do I add a user to group under Ubuntu Linux operating system using command line options?

11 Comments

Ubuntu Linux Add a User To Group www-data ( Apache Group )

last updated August 15, 2019 in Categories Apache, Ubuntu Linux, User Management

How do I add a user to the Apache group called www-data under Ubuntu or Debian Linux server operating systems using the command line option?

7 Comments

HowTO: Linux Disable a User Account Command

last updated December 1, 2012 in Categories Linux

How do I disable a user account under Linux operating systems? How can I completely disable a user account Linux server?

3 Comments

Ubuntu: Rename an Account [ User ID ]

last updated December 6, 2010 in Categories Ubuntu Linux

How do I rename a user name from ‘tom’ to ‘jerry’ under Ubuntu Linux?

3 Comments

Linux / UNIX: Restrict Access To A Given Command

last updated October 3, 2009 in Categories BASH Shell, CentOS, Debian / Ubuntu, Fedora Linux, FreeBSD, HP-UX Unix, Linux, RedHat and Friends, Solaris-Unix, Suse, Ubuntu Linux, UNIX, User Management

How do I restrict access to a given command for instance /opt/apps/start, to authorized users only under Linux / UNIX / BSD operating system?

11 Comments

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