Basic Hardware Info on Linux (Practical Guide): lscpu, lsblk, lspci, lsusb, dmesg
When you’re troubleshooting performance issues, verifying a server build, or just documenting a machine for your inventory, you want fast[…]
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Category: Introduction to Linux
Introduction to Linux for Sysadmins
System Updates: Configuring Timezone, Locale, Hostname and /etc/hosts (with Practical Examples)
When you install a fresh Linux server, everyone rushes to install packages, set up web servers and Docker… and then[…]
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System Updates on Linux Servers: Safe Updates with apt, dnf, and zypper
Keeping your Linux servers updated is one of the simplest and most effective ways to stay secure and stable. But[…]
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Manual Pages and Help in Linux: man, –help, info and Efficient Searching (Practical Examples)
One of the biggest differences between a beginner and a confident Linux administrator is how fast they can find the[…]
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Basic Linux Commands for Everyday Work: ls, cd, cat, less, tail, grep and find
If you work with Linux servers, the command line is your main toolbox. You don’t need to memorize hundreds of[…]
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Basic Linux Filesystem Layout for Sysadmins
When you log in to a Linux server for the first time, it can feel like walking into a huge[…]
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First Login to a Linux Server: TTY, SSH, and Root vs Regular Users
Your first login to a Linux server sets the tone for everything that comes after it. Whether you are sitting[…]
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Installing a Linux Server: UEFI, Partitions, RAID 1 and Basic Setup
If you want a reliable Linux server for production or lab use, you should start with a solid foundation: correct[…]
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Choosing the Right Linux Distribution for Your Servers: Debian, Ubuntu, Rocky, Alma, and SUSE
When you start building or modernizing your server infrastructure, one of the first strategic decisions is: which Linux distribution will[…]
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What Linux is from a sysadmin perspective: distros, LTS, stable vs rolling
If you ask ten people what Linux is, you’ll probably get ten different answers. For a system administrator, though, “Linux”[…]
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