LKLav kushwahainlinux-deep-concept.hashnode.dev·Mar 18 · 7 min read100 Real DevOps Linux Troubleshooting Scenarios1️⃣ System Access & Login Issues (10) 1. Cannot SSH into server Check ping server-ip ssh user@server-ip systemctl status ssh Possible issues • SSH service down • Security group blocking port 22 • Fir00
LKLav kushwahainlinux-deep-concept.hashnode.dev·Mar 17 · 4 min read50 Basics Linux questions50 DevOps Linux Interview Questions (With Answers) 1 What is Linux? Answer:Linux is an open-source Unix-like operating system used in servers, cloud systems, and DevOps environments. 2 What is root d00
LKLav kushwahainlinux-deep-concept.hashnode.dev·Mar 17 · 5 min readFile search, Text Processing command1️⃣1️⃣ File Searching Commands Linux systems can contain millions of files, so efficient search tools are essential. find — Search Files in the Filesystem What find does find searches for files and d00
LKLav kushwahainlinux-deep-concept.hashnode.dev·Mar 17 · 6 min readService management, disk management, user and group management, ssh and remote server acess7️⃣ Service Management (systemd) Most modern Linux systems use systemd to manage background services. Services run continuously in the background such as: nginx docker mysql redis kubernetes services 00
LKLav kushwahainlinux-deep-concept.hashnode.dev·Mar 16 · 9 min readNetworking troubleshootingNetworking troubleshooting is a core skill for DevOps engineers, because most production issues involve connectivity problems between services — such as: Application cannot reach database API is not00
