Admin: New server guide

2026-04-12T15:52:22Z

New server guide

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<includeonly>[[Category:Operating System Installation]] [[Category:Server Administration]]</includeonly>
{{Infobox OS
| name = Arch Linux Server Setup
| image = [[File:Archlinux-logo.png|150px]]
| caption = Arch Linux Logo
| developer = Arch Linux Community
| type = Linux distribution
| license = GPLv2
| website = https://archlinux.org/
}}

== Overview ==
Arch Linux is a lightweight and flexible Linux distribution that adheres to the KISS (Keep It Simple, Stupid) principle. It is renowned for its rolling release model, allowing users to always have the latest software versions, and its extensive [[Arch Wiki|Arch Wiki]] documentation. Installing Arch Linux on a server offers a highly customizable and optimized environment, ideal for users who want complete control over their system. This guide provides a step-by-step walkthrough for installing Arch Linux on a server, assuming a basic understanding of Linux command-line operations. For a robust server environment, consider dedicated servers from [https://powervps.net/?from=32 PowerVPS], which offer full root access and the flexibility to install any operating system, including Arch Linux.

== Prerequisites ==
Before you begin the installation, ensure you have the following:

* A server with bootable media capabilities (e.g., a USB drive or an ISO image mounted via IPMI/KVM). Dedicated servers from [https://powervps.net/?from=32 PowerVPS] typically provide these options.
* Internet connectivity on the server to download packages.
* A basic understanding of partitioning and file systems.
* Access to a terminal or SSH client.
* A keyboard and monitor connected to the server, or remote console access.

== Installation Steps ==

=== 1. Booting from Installation Media ===
Download the latest Arch Linux ISO image from the official Arch Linux download page. Create a bootable USB drive using a tool like `dd` or `Etcher`. Boot your server from this media.

Once the system boots into the Arch Linux live environment, you will be presented with a command prompt.

=== 2. Connecting to the Internet ===
Ensure your network is configured. If using DHCP, it should be automatic. You can verify your connection with:
<pre>
ping archlinux.org
</pre>

If you need to configure a static IP address or troubleshoot network issues, refer to the [[Arch Wiki:Network configuration]] guide.

=== 3. Partitioning the Disk ===
This is a critical step. You'll need to partition your server's storage. We'll use `fdisk` for this example. Replace `/dev/sda` with your actual disk device.

<pre>
fdisk /dev/sda
</pre>

Inside `fdisk`:
* Press `g` to create a new GPT partition table.
* Press `n` to create a new partition. You can accept the defaults for the partition number, first sector, and last sector to use the entire disk for a single root partition.
* Press `w` to write the changes and exit.

For a more advanced setup, consider separate partitions for `/boot`, `/home`, and swap.

=== 4. Formatting the Partitions ===
Format the newly created partition (e.g., `/dev/sda1`) with a file system. `ext4` is a common choice.

<pre>
mkfs.ext4 /dev/sda1
</pre>

If you created a separate boot partition (e.g., `/dev/sda2`):
<pre>
mkfs.ext4 /dev/sda2
</pre>

=== 5. Mounting the File Systems ===
Mount the root partition:
<pre>
mount /dev/sda1 /mnt
</pre>

If you have a separate boot partition, create a mount point and mount it:
<pre>
mkdir /mnt/boot
mount /dev/sda2 /mnt/boot
</pre>

=== 6. Installing Essential Packages ===
Use `pacstrap` to install the base system and essential packages. This command downloads and installs packages into the mounted file system.

<pre>
pacstrap /mnt base linux linux-firmware nano
</pre>
* `base`: The minimal Arch Linux system.
* `linux`: The Linux kernel.
* `linux-firmware`: Firmware for various hardware.
* `nano`: A simple text editor (you can choose `vim` or others).

=== 7. Configuring the System ===
Generate the `fstab` file, which defines how partitions are mounted at boot:
<pre>
genfstab -U /mnt >> /mnt/fstab
</pre>

Now, `chroot` into the new system to continue configuration:
<pre>
arch-chroot /mnt
</pre>

=== 8. Time Zone and Locale ===
Set your time zone:
<pre>
ln -sf /usr/share/zoneinfo/Your/City /etc/localtime
hwclock --systohc
</pre>
Replace `Your/City` with your actual time zone (e.g., `America/New_York`).

Configure locale by editing `/etc/locale.gen` and uncommenting your desired locale (e.g., `en_US.UTF-8 UTF-8`). Then run:
<pre>
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf
</pre>

=== 9. Setting Hostname ===
Set your server's hostname by editing `/etc/hostname`:
<pre>
echo "your_server_name" > /etc/hostname
</pre>
Replace `your_server_name` with your desired hostname.

=== 10. Setting Root Password ===
Set a strong password for the root user:
<pre>
passwd
</pre>
Enter and confirm your password.

=== 11. Installing a Boot Loader ===
A boot loader is necessary to boot your system. GRUB is a common choice. Install GRUB and configure it for your system.

<pre>
pacman -S grub
grub-install --target=i386-pc /dev/sda # For BIOS systems
# or
# grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB # For UEFI systems
grub-mkconfig -o /boot/grub/grub.cfg
</pre>
Ensure you use the correct `grub-install` command for your system's firmware (BIOS or UEFI). If you have a separate `/boot` partition, adjust the UEFI command accordingly.

=== 12. Exiting and Rebooting ===
Exit the `chroot` environment:
<pre>
exit
</pre>

Unmount the file systems:
<pre>
umount -R /mnt
</pre>

Reboot the system:
<pre>
reboot
</pre>

Remove the installation media and boot into your new Arch Linux server.

== Post-Installation Configuration ==

=== 1. Creating a New User ===
It's recommended to create a regular user account and use `sudo` for administrative tasks.

<pre>
useradd -m -G wheel your_username
passwd your_username
</pre>
Replace `your_username` with your desired username.

=== 2. Configuring sudo ===
Install `sudo`:
<pre>
pacman -S sudo
</pre>
Edit the `sudoers` file using `visudo`:
<pre>
visudo
</pre>
Uncomment the line that allows users in the `wheel` group to run commands as root:
<pre>
%wheel ALL=(ALL) ALL
</pre>
Save and exit.

=== 3. Enabling SSH Server ===
For remote access, install and enable the SSH server (OpenSSH):
<pre>
pacman -S openssh
systemctl enable sshd
systemctl start sshd
</pre>

=== 4. System Updates ===
Keep your system up-to-date regularly:
<pre>
pacman -Syu
</pre>

== Troubleshooting ==

* '''No network access after reboot:''' Check `/etc/netctl/profile` or ensure your network manager is enabled and configured correctly.
* '''GRUB boot problems:''' Boot back into the live environment, mount your partitions, `arch-chroot` into your system, and re-run `grub-install` and `grub-mkconfig`.
* '''Lost root password:''' Boot from the live USB, mount your root partition, `arch-chroot`, and use `passwd` to reset it.
* '''Pacstrap errors:''' Ensure you have a stable internet connection and that the mirror list in `/etc/pacman.d/mirrorlist` is correctly configured.

== Related Articles ==
* [[Arch Wiki:Installation guide]]
* [[Arch Wiki:Partitioning]]
* [[Arch Wiki:Network configuration]]
* [[Arch Wiki:GRUB]]

<noinclude>
This guide is for installing Arch Linux on a server. For a powerful and reliable server infrastructure, consider dedicated servers from [https://powervps.net/?from=32 PowerVPS]. They offer excellent performance and control, perfect for hosting your Arch Linux installation. For GPU-intensive tasks, explore options at [https://en.immers.cloud/signup/r/20241007-8310688-334/ Immers Cloud GPU].
</noinclude>

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