Linux Server Hardening: Complete Checklist for 2026
Linux server hardening checklist for 2026 with exact commands: SSH, firewall, fail2ban, sysctl, auditd, and Lynis audit steps for Ubuntu, Debian, RHEL, and AlmaLinux.
Systemd Transient Units: Run Jobs Without Root
If you’ve ever needed to run a quick background job on a Linux server, you’ve probably reached for nohup, a cron entry, or a throwaway shell script. Those work, but they’re messy. Systemd transient units give you a cleaner option. Since systemd 257, you can launch ephemeral services without touching a unit file and, in […]
Multicloud Migration: Setup and Strategy Guide for Linux
Multicloud migration for Linux teams: 6R strategies, Terraform setup, and practical steps for moving workloads between AWS, Azure, and GCP without the usual headaches.
Docker vs Podman on Linux: Which Should You Use in 2026?
Docker vs Podman compared in 2026: architecture, security, commands and licensing side by side for Linux. Find out which container runtime fits your workflow.
How to Install Ollama on Linux and Run AI Models Locally
Install Ollama on Linux to run Llama 3, Mistral, and DeepSeek on your own server. No API costs, no data leaving your machine. Full setup guide for Ubuntu, Debian, RHEL, and AlmaLinux.
Copy Fail CVE-2026-31431: Linux Kernel Root Exploit Fix
CVE-2026-31431 Copy Fail is a critical Linux kernel vulnerability — any local user gets root access with a 732-byte script on all kernels since 2017. Immediate mitigation and full patch guide for Ubuntu, Debian, RHEL, AlmaLinux, and cPanel servers.
MySQL Not Starting After Disk Full: InnoDB Recovery Without a Backup
MySQL not starting after disk full? This guide fixes InnoDB doublewrite buffer corruption using innodb_force_recovery and innodb_doublewrite=0. Full step-by-step recovery for Linux and cPanel/WHM servers — no backup needed.
Oracle Apex 22.1 Installation with ORDS on Windows Server
Oracle Apex 22.1 with ORDS installation on Windows Server Oracle Application Express (APEX) is an enterprise low-code development platform from Oracle Corporation. APEX is used for developing and deploying cloud, mobile, and desktop applications. Oracle Apex Installation Requirements Before installing Oracle APEX in a on-premises (or local) installation you must verify your configuration meets the minimum installation […]
20 Linux Virtualization Interview Questions and Answers
Q:1 What is Virtualization ? Ans: Virtualization is a technique for creating virtual resources (rather than the actual) such as server, storage device, network and Operating system. Virtualization is dis-associating the tight bond between software and hardware. Q:2 What are the different types of Virtualization ? Ans: Virtualization can be used in different ways and […]
Linux Interview Question and Answer
Q1)What is the difference between chmod and chown. Chmod change the file/directory permission The Chown to change the ownership of a file or directory and ownership away to someone else. Q2)How to check the default run level. Cat /etc/inittab or who –r Q3)What is the ID for Logical volume management? LVM Id: 8e Q4)What is […]