Linux
Linux Tutorials
154 articles
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How to Use SSH Config File in Linux: Manage Servers Like a Pro
Use the Linux SSH config file (~/.ssh/config) to create aliases, configure ProxyJump, and manage multiple servers without typing long commands.
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How to Set Up an NFS Server on Linux: Share Files Across Your Network
Learn how to set up an NFS server on Linux to share files across your network. Step-by-step guide for Ubuntu and RHEL with security tips and mount options.
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How to Use Git on Linux: The Complete Sysadmin Guide
Learn how to use Git on Linux from scratch. Install, configure, commit, branch, and push code. Practical sysadmin workflows with real command examples.
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How to Use LUKS Disk Encryption on Linux (Step-by-Step)
Learn to encrypt disks and partitions with LUKS on Linux using cryptsetup. Covers LUKS2 setup, key management, header backup, and auto-mount at boot.
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How to Use Ansible on Linux: Automate Your Servers Like a Pro
Learn how to use Ansible on Linux to automate server setup with playbooks, inventories, and modules. Step-by-step guide with real examples for sysadmins.
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How to Install Apache Web Server on Linux (Step-by-Step)
Learn how to install Apache on Linux step by step. Covers Ubuntu, Debian, and RHEL/Rocky Linux with virtual hosts, firewall config, and security hardening.
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Linux Bash Aliases: Create, Save, and Supercharge Your Terminal Workflow
Learn how to create and manage Linux bash aliases to speed up your terminal. Practical examples for navigation, safety, system admin, and networking shortcuts.
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How to Use the date Command in Linux: Format, Timestamps, and Scripts
Master the Linux date command: formatting output, date arithmetic, Unix timestamps, timezones, and real bash scripting examples for sysadmins.
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How to Set Up Prometheus and Grafana on Linux (Step-by-Step)
Set up Prometheus, Node Exporter, and Grafana on Linux step by step. Get a live CPU, RAM, and disk monitoring dashboard in under 30 minutes.
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How to Use Podman in Linux: Run Containers Without Docker
Learn how to use Podman in Linux: install it, run rootless containers, manage images, and integrate with systemd. The Docker alternative that is free forever.
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How to Use find Command in Linux: Search Files Like a Pro
Learn how to use the find command in Linux to search files by name, type, size, permissions, and time — with real sysadmin examples and exec tricks.
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How to Use tee Command in Linux: The Output Tool Every Admin Needs
Learn how to use the Linux tee command to write output to files and terminal simultaneously. Real examples: sudo tee, append mode, stderr capture, and scripting.
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How to Use Docker Compose in Linux: Deploy Multi-Container Apps Fast
Learn how to use Docker Compose in Linux to manage multi-container apps with one YAML file. Covers install, compose.yaml syntax, key commands, and real examples.
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How to Use Systemd Timers in Linux: The Modern Cron Alternative
Learn how to create and manage systemd timers in Linux — a powerful cron alternative with better logging, dependency support, and missed-run recovery.
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How to Edit the Sudoers File in Linux: Manage sudo Permissions Safely
Learn how to edit the sudoers file in Linux using visudo, grant precise sudo permissions, use NOPASSWD, and avoid common misconfigurations that lock you out.
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How to Use fdisk in Linux: Partition Disks the Right Way
Learn how to use fdisk in Linux to create, delete, and manage disk partitions. Step-by-step guide covering mkfs, fstab, and partition best practices.
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How to Install Let’s Encrypt on Linux with Certbot (Step-by-Step)
Learn how to install Let's Encrypt SSL on Linux with Certbot for Nginx. Get a free certificate, set up auto-renewal, and secure your server in minutes.
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How to Use GPG in Linux: Encrypt, Sign, and Manage Keys
Learn how to use GPG in Linux to encrypt files, sign data, and manage keys. Complete command guide with real examples for sysadmins and beginners.
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How to Use openssl in Linux: The Command Every Sysadmin Needs
Learn how to use the openssl command in Linux for certificate inspection, key generation, SSL testing, and file encryption. Complete sysadmin guide with examples.
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How to Use rsync in Linux: Sync Files Locally and Remotely
Learn how to use rsync in Linux to sync files locally and remotely over SSH. Covers options, examples, automation with cron, and common mistakes to avoid.
