ss Is the New netstat (And It's Better)
netstat is deprecated. ss is faster, shows more, and does everything netstat did—better.
Tag: cli
All the articles with the tag "cli".
find Flags You Keep Forgetting
Practical find command examples: -mtime, -newer, -type, -exec vs xargs, -not, size filters. The patterns you google every time.
strace for Beginners: See What Any Process Is Doing
Use strace to trace system calls and debug mysterious errors without reading source code.
Using the Clipboard from the Linux Terminal
Copy and paste from the Linux terminal without a mouse. Master xclip, xsel, wl-copy, and integrate clipboard with tmux and SSH.
lsof: The Tool That Shows You Everything
Master lsof to find port conflicts, trace deleted files eating disk, and debug network connections.
The `at` Command: One-Time Scheduled Tasks in Linux
Schedule one-off Linux tasks with `at` instead of cron. Learn syntax, queue management, batch jobs, and when to use it for delayed reboots and reminders.
Preserving Bash History in Multiple Terminal Windows
By default bash history is lost across multiple terminal sessions. Fix it with HISTAPPEND and PROMPT_COMMAND so nothing gets overwritten.
Understanding printf vs echo in Bash
echo is convenient but inconsistent across systems; printf is portable and precise — know when to use each and avoid the gotchas.
Understanding Grep: A Comprehensive Guide
grep is more powerful than you think — regex patterns, context flags, recursive search, and piping tricks that save hours of log digging.
Essential Linux Commands for Daily Use
The Linux commands every sysadmin reaches for daily — file ops, process management, networking, and text manipulation you can't live without.
How to Transfer docker Images Without a Repository
Move Docker images between hosts without a registry using docker save and docker load — air-gapped deployments made simple.
Copying Files Between Docker Containers and Host Machines
Use docker cp to move files between running containers and your host machine — no volumes needed for one-off file transfers.