User_management
How to add user to sudoers or sudo group in Ubuntu
In this tutorial will answer all those questions and will also guide to add user to sudo group so that the user can perform tasks which otherwise would be
8 ways to prevent brute force SSH attacks in Linux (CentOS/RHEL 7)
Prevent brute force SSH attacks in RHEL CentOS 7 with examples using Fail2ban, account lockout, SSH rate limit using iptables, sshd_config, SHA512 hashing
10 practical examples to add or remove user from group in Linux
Linux add user to group. Linux remove user from group, remove multiple users from the group, remove users from multiple groups. list users in group Unix and …