Category: CentOS

Authentication is the process of verifying identity. It requires using passwords, hardware tokens, or several other methods. In cyber security, authentication is verifying someone’s or something’s identity. Authentication usually occurs…

Single sign-on (SSO) is a vital cloud security technology that reduces all user application logins to one login for greater security and convenience. What is single sign-on (SSO)? Single sign-on…

Cryptography studies secure communications techniques that allow only the sender and intended recipient of a message to view its contents. The term is derived from the Greek word “kryptos”, which means hidden.…

GDU Disk Usage Analyzer is a graphical disk usage analyzer for GNOME. It was part of gnome-utils but was split off for GNOME 3.4. It was originally named Baobab after the…

Contents: Option 1: Display the Size of a Directory Using the du Command Option 2: Get Size of Directory in Linux Using tree Command Option 3: Find the Size of…

Introduction How much space do I have free on my Linux drive? Managing disk space on a Linux server is an important task. For example, package manager applications notify you of how…

Introduction Sudo is SuperUser DO and is used to access restricted files and operations. By default, Linux restricts access to certain system parts, preventing sensitive files from being compromised. The sudo command temporarily elevates privileges…

Kali Linux, a Linux distribution designed specifically for penetration testing, comes prepackaged with many pen test tools. Nessus® provides a penetration tester with a wealth of capabilities that will assist…

ping (Packet Internet Gropper) The Ping command allows a user to ping another network IP address. Ping command sends ICMP ECHO_REQUEST packets to other hosts, and this command can help…

I’ll compare the Norton 360 Deluxe plan, their second most expensive, to Bitdefender’s most expensive Total Security plan. Why do you ask? Because they both claim to offer the same…