Linux systems engineer with 8+ years running production web infrastructure. John writes hands-on tutorials about server administration, Nginx, Docker and everything that keeps a VPS healthy — every guide is tested on a live server before it's published.
183 posts
What you will read?1 Step 1: Update Your System2 Step 2: Enable the EPEL and Remi Repositories3 Step 3: Enable the Desired PHP Module4 Step 4: Install PHP5 Step 5: Verify PHP Installation PHP is one of the most widely used scripting languages for web development. On Red Hat Enterprise Linux (RHEL) 9/8 Installing PHP…
What you will read?1 Step 1: Update Your System2 Step 2: Install UNRAR3 Step 3: Verify Installation Working with compressed files is a daily task for many developers and system administrators. While Ubuntu 25.04 comes with built-in tools for ZIP and TAR files, RAR files require an additional package called UNRAR. Installing it is simple…
What you will read?1 Step 1: Update Debian Packages2 Step 2: Enable the NodeSource Repository3 Step 3: Verify Installation4 Step 4: Install Build Tools (Optional) Node.js is one of the most popular runtimes for building scalable web applications, APIs, and backend services. On Debian 12, installing Node.js is straightforward using the official NodeSource repository. Step…
What you will read?1 Step 1: Update Your System2 Step 2: Add the NodeSource Repository3 Step 3: Verify Node.js and npm4 Step 4: Install Build Tools (Optional) Node.js is a powerful runtime for building modern web applications, APIs, and scalable server-side services. If you are using Ubuntu 25.04, installing Node.js correctly ensures you can run…
What you will read?1 Step 1: Update System Packages2 Step 2: Install Java Runtime Environment (JRE)3 Step 3: Install Java Development Kit (JDK)4 Step 4: Verify the Java Installation Java is one of the most essential runtimes for developers, sysadmins, and security professionals. Many enterprise tools and applications require it, and on Red Hat Enterprise…
What you will read?1 Step 1: Update Kali Linux Packages2 Step 2: Install the Java Runtime Environment (JRE)3 Step 3: Install the Java Development Kit (JDK)4 Step 4: Verify Java Installation5 Optional Step: Set JAVA_HOME Environment Variable Java remains one of the most widely used programming languages and runtime environments, and many penetration testing tools…
What you will read?1 Step 1: Update System Packages2 Step 2: Install OpenJDK3 Step 3: Verify the Installation4 Step 4: Switch Between Multiple Versions5 Step 5 (Optional): Configure JAVA_HOME Java is a widely used programming language and runtime environment, essential for running many applications and development tools. On CentOS 9, installing Java is straightforward using…
What you will read?1 Step 1: Update Your System2 Step 2: Install OpenJDK (Recommended Version)3 Step 3: Verify the Installation4 Step 4: Set JAVA_HOME Java is a widely used programming language and runtime environment required for many applications and enterprise tools. On Ubuntu 25.04, installing Java is straightforward using the APT package manager. Step 1:…
What you will read?1 Step 1: Update System Packages2 Step 2: Install the 7-Zip Package3 Step 3: Verify the Installation 7-Zip is a free, open-source archiver that supports a wide range of formats and offers high compression efficiency. On Ubuntu 25.04, you can install it easily using the package manager and then use it to…
