#infrastructure
All articles tagged #infrastructure — practical guides from production experience.
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52 posts tagged #infrastructure · page 4 of 6
Docker Container Not Starting: Fix Guide
Fix Docker container not starting — diagnose exit codes, read container logs, resolve port conflicts, permission errors, and OOM kills in production.
Disk Full Linux: How to Clean Up and Free Space Fast
Fix a full disk on Linux fast — find what's taking space with df and du, clean logs, Docker, package caches, and deleted-but-open files in production.
How to Compress Files in Linux: tar Examples
Compress files in Linux with tar — create .tar.gz and .tar.bz2 archives, choose the right compression level, and handle common tar use cases with real examples.
How to Check Network Interface in Linux: ip, ifconfig, ethtool
Check network interfaces in Linux with ip link, ip addr, and ethtool — see IP addresses, interface state, link speed, and diagnose interface-level network problems.
How to Check Firewall Status in Linux: iptables, firewalld, ufw
Check firewall status in Linux using iptables, firewalld, and ufw — see active rules, verify port access, and diagnose whether firewall is blocking traffic.
Check Disk Usage in Linux: du vs df Explained
Check disk usage in Linux using df and du — understand the difference, read the output correctly, and find what's filling your disk with real command examples.
How to Check CPU Usage in Linux: Real Command Examples
Check CPU usage in Linux using top, mpstat, ps, and vmstat — read per-core breakdown, identify CPU-hungry processes, and diagnose high load in production.
top Command Linux: Real-World Guide to CPU and Process Monitoring
Learn how to use the top command on Linux for production troubleshooting — reading CPU, load average, memory metrics, interpreting process states, and diagnosing high CPU and stuck processes in real incidents.
strace Tutorial: Debug Linux Processes Like a Senior Engineer
A practical strace tutorial for production debugging — trace system calls, diagnose hung processes, find missing files, and debug permission errors with real command examples and incident workflows.