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Satish Kumar has Published 1040 Articles
Satish Kumar
535 Views
Introduction In the world of technology, security is a top priority for all users. One of the most important aspects of security is a firewall, which helps to protect your computer from unauthorized access and potential attacks. Ubuntu 18.04 and 20.04 come with a built-in firewall tool called UFW (Uncomplicated ... Read More
Satish Kumar
67 Views
Introduction Are you facing issues with your WordPress website? Perhaps, you are experiencing the white screen of death, encountering plugin conflicts, or database connection issues. If so, don't worry; it's common for websites to encounter technical problems. Fortunately, WordPress Debugging Mode can come in handy and fix such errors. ... Read More
Satish Kumar
242 Views
Introduction VirtualBox is a powerful cross-platform virtualization software that allows users to run multiple operating systems on a single machine. Developed by Oracle, VirtualBox is free and open-source software that has become increasingly popular among developers, IT professionals, and hobbyists alike. The program supports a wide range of guest ... Read More
Satish Kumar
2K+ Views
Introduction With the increasing number of cyber attacks, securing websites and servers has become more important than ever. One of the most essential components of website security is Transport Layer Security (TLS), which encrypts data sent between web servers and clients. TLS 1.3 is the latest version of TLS, offering ... Read More
Satish Kumar
11K+ Views
Introduction Secure Shell (SSH) is a cryptographic network protocol that allows secure remote access to a computer or server over an unsecured network. It provides a secure and encrypted channel between two devices that can be used for various purposes such as running commands remotely or securely transferring files between ... Read More
Satish Kumar
369 Views
Introduction The Raspberry Pi is a popular, credit-card sized computer that can be used for various purposes such as media center, gaming console, and even as a web server. These devices run on different operating systems such as Raspbian (a version of Debian Linux), Windows 10 IoT Core, and Ubuntu ... Read More
Satish Kumar
924 Views
Introduction SSH, or Secure Shell, is a network protocol that allows secure communication between two systems. It is used to establish a secure connection to a remote server over an unsecured network, such as the internet. The data exchanged over this connection is encrypted and thus cannot be intercepted ... Read More
Satish Kumar
909 Views
Introduction Security is a primary concern for any system administrator. SELinux (Security-Enhanced Linux) is a mandatory access control (MAC) security mechanism that provides an additional layer of security to the Linux kernel. By default, SELinux is enabled in CentOS/RHEL 7, but it runs in permissive mode, which means it ... Read More
Satish Kumar
551 Views
Introduction The RPMForge repository is a third-party package repository that contains various software packages that are not available in the default repositories of RHEL/CentOS 8. The repository provides additional software packages, updates, and patches that can be installed on your system to enhance its functionality and performance. By enabling ... Read More
Satish Kumar
2K+ Views
Introduction Red Hat Enterprise Linux (RHEL) 8 is a popular and widely used operating system in the enterprise world. It is known for its stability, security, and performance. RHEL 8 was released in May 2019 and brought many new features and improvements to the table. It is built on ... Read More