Linux Security
How to Allow Specific Commands with Sudo in Linux
Sometimes, you might want to grant a user sudo privileges for only specific commands instead of full administrative access. This…
Category: Linux Security
Linux Security
Setting Up a Port Forwarding Using Iptables in Linux
In real-life terms, Port forwarding is like telling the delivery driver where to go in a large apartment complex. Normally,…
Linux Security
Restricting Users from Running `chmod 777`
Creating a custom script wrapper for chmod can help you manage and restrict the use of certain chmod commands, such…
Linux Security
How to Modify Iptables Chains Policy (INPUT/OUTPUT/FORWARD)
In the dynamic world of network security, iptables serves as a cornerstone tool for Linux administrators. It provides powerful capabilities…
Linux Security
Setting Up a Port Forwarding Using UFW (Uncomplicated Firewall)
Uncomplicated Firewall (UFW) is a popular and user-friendly command-line interface designed to facilitate firewall management on Ubuntu and other Linux…
Linux Security
How to Install and Use Rkhunter on Ubuntu 22.04 & 20.04
Rkhunter, short for Rootkit Hunter, is an open-source security tool that scans Linux and Unix systems for rootkits, backdoors, and…
Linux Security
What is Secure Shell (SSH)?
In the realm of cybersecurity and network communication, few protocols are as universally adopted as Secure Shell (SSH). Originating from…
Linux Security
How to Disable Strict Host Key Checking in SSH
The SSH server has default enabled the strict host key checking. When the key checking is enabled, the SSH client…
Linux Security
How To Set Up SSH Keys in Linux
SSH or Secure Shell is a protocol utilized to enable communication between two computers and share data. It provides a…
Linux Security
How to Disable SELinux on CentOS 9/8 & RHEL 9/8
SELinux (Security-Enhanced Linux) is a Linux kernel security module that provides enhanced security for Linux systems. SELinux provides a mechanism…