Articles by Dejan Panovski
SSH Tunnel: Local, Remote, and Dynamic Port Forwarding
Set up SSH tunnels with the -L, -R, and -D options for local, remote, and dynamic port forwarding, with working examples for Linux, macOS, and Windows.
How to Mount a Windows Share on Linux Using CIFS
Mount a Windows SMB share on Linux with CIFS, use a credentials file, set ownership and permissions, and create a reliable fstab entry.
How to Install PostgreSQL on Debian 13
Install PostgreSQL 17 on Debian 13, create an application role and database, and configure password authentication and remote access.
ln Command in Linux: Create Symbolic Links
The ln command creates symbolic links on Linux, giving you a stable name that points to a moving target. This guide covers creating, updating, and cleaning up symlinks, plus safe symlink updates for deployments.
bc Command in Linux: Command-Line Calculator
Use bc for arbitrary-precision math on the Linux command line, with examples covering scale, functions, base conversion, and use inside shell scripts.
type Command in Linux: Show Command Type and Location
Check how Bash resolves a name with type: alias, function, builtin, keyword, or file on disk. Covers -t, -a, -p, -P, and where Zsh and dash differ.
pushd and popd Commands in Linux: Navigate Directories with a Stack
Save directories to a stack with pushd, return with popd, and jump between them in Bash. Covers dirs, stack rotation, ~N shortcuts, quiet use in scripts, and common errors.
wall Command in Linux: Broadcast Messages to Logged-In Users
The wall command broadcasts a message to the terminals of all logged-in users in Linux. This guide covers sending messages from arguments, files, and pipes, with group targeting and banner control.
cat Command in Linux: View, Combine, and Create Files
Display, combine, and create files with the cat command in Linux, plus line numbers, hidden characters, and when to use less instead.
shutdown Command in Linux: Power Off, Reboot, and Schedule
How to use the shutdown command in Linux to power off, halt, or reboot the system immediately or at a scheduled time, with examples of all common options.
tee Command in Linux with Examples
Use the tee command to save command output to a file while still printing it in the terminal. Covers appending, writing to multiple files, capturing errors, and sudo tee for root-owned files.
How to Select All in Vim: Copy, Delete, or Yank Every Line
Select all text in Vim with ggVG, yank every line with :%y, copy the whole file to the system clipboard, or delete all lines with :%d. No plugins required.
How to Fix Broken Packages and Unmet Dependencies on Ubuntu
Fix broken packages and unmet dependencies on Ubuntu, repair interrupted installations, and diagnose held packages and repository conflicts.
/etc/passwd in Linux: File Format and Fields Explained
The cat /etc/passwd command displays local Linux accounts. This guide explains its seven fields and when to use getent passwd instead.
du Command in Linux: Check Disk Usage with du -sh
du -sh prints the total size of a directory in one line. See how to list subdirectory sizes, include hidden files, stay on one filesystem with -x, and sort by size.
How to Compress Video Files with ffmpeg
Compress video files with ffmpeg using H.264 or H.265, adjust CRF and presets, resize footage, or use two-pass encoding for a target file size.
How to Install Odoo 20 on Ubuntu 24.04
Install Odoo 20 on Ubuntu 24.04 from source in a Python virtual environment, run it as a systemd service, and serve it over HTTPS through Nginx.
How to Upgrade to Ubuntu 26.04
Upgrade Ubuntu 24.04 LTS or 25.10 to Ubuntu 26.04.1 LTS Resolute Raccoon from the command line with do-release-upgrade, on both desktop and server systems.
nvidia-smi Command in Linux: Monitor GPU Usage
Monitor NVIDIA GPU usage on Linux with nvidia-smi. Read memory, temperature, and power metrics, track processes, and log GPU statistics to CSV.
How to Install and Use Ollama on Ubuntu 26.04 and 24.04
Set up Ollama on Ubuntu 26.04 or 24.04 with the official script, run Llama 3.2 locally, manage models, check GPU use, and call the local API.
