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Security

SELinux and AppArmor Security Hardening Linux

Implementing Mandatory Access Control with SELinux or AppArmor in Linux

Note: This article is based on an older version of the LFCS. Please refer to the updated Linux Foundation Certified

Rootkit Hunter - Scans Linux Systems for Rootkits, backdoors and Local Exploits

How to Scan for Rootkits, backdoors and Exploits Using ‘Rootkit Hunter’ in Linux

Guys, if you are a regular reader of tecmint.com you will notice that this is our third article on security

Nginx Security Hardening Tips

The Ultimate Guide to Secure, Harden and Improve Performance of Nginx Web Server

Based on the wonderful things you have heard about Nginx, perhaps you decided to give it a try. You may

Block SSH and FTP Access Using IPtables/FirewallD

How to Block SSH and FTP Access to Specific IP and Network Range in Linux

Typically we all use SSH and FTP services often to access the remote servers and virtual private servers. As a

RHCSA Exam: SELinux Essentials and Control FileSystem Access

RHCSA Series: Mandatory Access Control Essentials with SELinux in RHEL 7 – Part 13

During this series we have explored in detail at least two access control methods: standard ugo/rwx permissions (Manage Users and

Configuring and Securing Apache and FTP Server

RHCSA Series: Installing, Configuring and Securing a Web and FTP Server – Part 9

A web server (also known as a HTTP server) is a service that handles content (most commonly web pages, but

Password Protec Files in Linux

7 Tools to Encrypt/Decrypt and Password Protect Files in Linux

Encryption is the process of encoding files in such a way that only those who are authorized can access them.

Reset Forgotten root Password in CentOS 7 and RHEL 7

Single User Mode: Resetting/Recovering Forgotten Root User Account Password in RHEL/CentOS 7

Have you ever encountered a situation when you missed your user account password on a Linux System? And the situation

Linux Access Control Lists

Secure Files/Directories using ACLs (Access Control Lists) in Linux

As a System Admin, our first priority will be to protect and secure data from unauthorized access. We all are

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Linux Server Monitoring Tools

systemd-analyze – Find System Boot-up Performance Statistics in Linux

3 Methods to Check Apache Server Status and Uptime in Linux

How to Install Icinga2 Monitoring Tool on OpenSUSE

How to Configure Zabbix to Send Email Alerts to Gmail Account – Part 2

Monitor Server Logs in Real-Time with “Log.io” Tool on RHEL/CentOS 7/6

CoreFreq – A Powerful CPU Monitoring Tool for Linux Systems

Learn Linux Tricks & Tips

Find Top Running Processes by Highest Memory and CPU Usage in Linux

How to Auto Execute Commands/Scripts During Reboot or Startup

7 Ways to Determine the File System Type in Linux (Ext2, Ext3 or Ext4)

How to Run or Repeat a Linux Command Every X Seconds Forever

Ways to Use ‘find’ Command to Search Directories More Efficiently

4 Useful Tips on mkdir, tar and kill Commands in Linux

Best Linux Tools

7 Best Email Clients for Linux Systems

15 Best Free and Open Source Software (FOSS) Programs for Linux

15 Best Tiling Window Managers for Linux in 2025

6 Best Command-Line FTP Clients for Linux Users

16 Best Microsoft Teams Alternatives For Linux in 2024

5 Best Open-Source Project Management Tools for Linux in 2024

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