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Installing Rocky Linux 8.10 on WSL

· 2 min read
ひかり
ひかり
Main bloger

Download Rocky Linux 8.10 Image​

$dest = Join-Path $env:TEMP "Rocky-8-Container-Base.latest.x86_64.tar.xz"
Invoke-WebRequest -Uri "https://dl.rockylinux.org/pub/rocky/8/images/x86_64/Rocky-8-Container-Base.latest.x86_64.tar.xz" -OutFile $dest

Import​

wsl --import RockyLinux-8.10 $HOME $dest

Install passwd​

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install -y passwd

Create a User​

$username = "hikari" # Set your preferred username
wsl -d RockyLinux-8.10 -u root useradd -mG wheel $username
wsl -d RockyLinux-8.10 -u root passwd -d $username # Remove the user's password

Install sudo​

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install sudo -y

Set Default User​

$username = "hikari" # Set your preferred username
$uid = wsl -d RockyLinux-8.10 id $username -u
if (-not $uid) {
    Write-Error "Failed to get UID. User '$username' might not exist."
    exit 1
}

$basePath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Lxss"

$targetKey = Get-ChildItem $basePath | Where-Object {
    (Get-ItemProperty $_.PSPath).DistributionName -eq "RockyLinux-8.10"
}
if (-not $targetKey) {
    Write-Error "DistributionName 'RockyLinux-8.10' not found."
    exit 1
}

Set-ItemProperty -Path $targetKey.PSPath -Name "DefaultUid" -Value ([int]$uid)

Enable EPEL​

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install -y epel-release

Start​

wsl -d RockyLinux-8.10

To Make it the Default Distribution​

wsl --set-default RockyLinux-8.10

Install FastFetch​

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install fastfetch

Run FastFetch​

> wsl -d RockyLinux-8.10 -u root fastfetch
          __wgliliiligw_,              root@DESKTOP-MS-7C56-B550
       _williiiiiiliilililw,           -------------------------
     _%iiiiiilililiiiiiiiiiii_         OS: Rocky Linux 8.10 x86_64
   .Qliiiililiiiiiiililililiilm.       Host: Windows Subsystem for Linux (2.0.14.0)
  _iiiiiliiiiiililiiiiiiiiiiliil,      Kernel: 5.15.133.1-microsoft-standard-WSL2
 .lililiiilililiiiilililililiiiii,     Uptime: 8 mins
_liiiiiiliiiiiiiliiiiiF{iiiiiilili,    Packages: 285 (rpm)
jliililiiilililiiili@`  ~ililiiiiiL    Shell: bash 4.4.20
iiiliiiiliiiiiiili>`      ~liililii    Display 1: 1920x1080 @ 60Hz
liliiiliiilililii`         -9liiiil    Display 2: 1920x1080 @ 60Hz
iiiiiliiliiiiii~             "4lili    WM: WSLg (Wayland)
4ililiiiiilil~|      -w,       )4lf    Terminal: Windows Terminal
-liiiiililiF'       _liig,       )'    CPU: AMD Ryzen 9 3900X (24) @ 3.800018 GHz
 )iiiliii@`       _QIililig,           GPU: Microsoft Corporation Basic Render Driver
  )iiii>`       .Qliliiiililw          Memory: 458.57 MiB / 62.76 GiB (0%)
   )<>~       .mliiiiiliiiiiil,        Disk (/): 51.72 GiB / 1007 GiB (5%)
            _gllilililiililii~         Locale: C.UTF-8
           giliiiiiiiiiiiiT`
          -^~$ililili@~~'              ████████████████████████
                                       ████████████████████████

Linux Network Management Commands (nmcli and nmtui)

· 2 min read
ひかり
ひかり
Main bloger

nmcli​

nmcli connection: Display all connections​

pi@raspberrypi:~ $ nmcli connection
NAME           UUID                                  TYPE      DEVICE
preconfigured  1b29633c-51a7-42a8-8357-a23ddbb791b9  wifi      wlan0
lo             37334688-5c87-47fc-87d3-8c4e31934dd2  loopback  lo
有線接続 1     0df9157e-b1a9-3026-9bd5-f05234e1cf4b  ethernet  --

nmcli device: Display devices and their states​

pi@raspberrypi:~ $ nmcli device
DEVICE         TYPE      STATE            CONNECTION
wlan0          wifi      接続済み         preconfigured
lo             loopback  接続済み (外部)  lo
p2p-dev-wlan0  wifi-p2p  切断済み         --
eth0           ethernet  利用不可         --

nmcli connection show ...: Display properties​

Run nmcli connection show <profile name> to display its properties.

pi@raspberrypi:~ $ nmcli connection show <プロファイル名>
connection.id:                          <プロファイル名>
connection.uuid:                        1b29633c-51a7-42a8-8357-a23ddbb791b9
connection.stable-id:                   --
connection.type:                        802-11-wireless
connection.interface-name:              --
connection.autoconnect:                 はい
connection.autoconnect-priority:        0
connection.autoconnect-retries:         -1 (default)
connection.multi-connect:               0 (default)
connection.auth-retries:                -1
connection.timestamp:                   1710955164
connection.read-only:                   いいえ
connection.permissions:                 --
connection.zone:                        --
connection.master:                      --
connection.slave-type:                  --
connection.autoconnect-slaves:          -1 (default)
connection.secondaries:                 --
connection.gateway-ping-timeout:        0
connection.metered:                     不明
connection.lldp:                        default
connection.mdns:                        -1 (default)
connection.llmnr:                       -1 (default)
connection.dns-over-tls:                -1 (default)
lines 1-24

Check IP address​

pi@raspberrypi:~ $ nmcli connection show <プロファイル名> | grep ipv4.addresses
ipv4.addresses:                         192.168.10.113/24

Set IP address​

In the example below, the IP address is set to 192.168.10.113 and the prefix length to 24.

sudo nmcli connection modify <プロファイル名> ipv4.addresses 192.168.10.113/24

Check DNS server​

pi@raspberrypi:~ $ nmcli connection show <プロファイル名> | grep ipv4.dns:
ipv4.dns:                               192.168.10.1

Set DNS server​

In the example below, the DNS server is set to 192.168.10.1.

sudo nmcli connection modify <プロファイル名> ipv4.dns 192.168.10.1

Disconnect a connection​

sudo nmcli connection down <プロファイル名>

Connect a connection​

sudo nmcli connection up <プロファイル名>

nmtui: Configure network connections with TUI​

sudo nmtui

How to Japanese the Linux Prompt

· One min read
ひかり
ひかり
Main bloger

This post introduces how to Japanese the Linux prompt.

1. Install Japanese Locale​

Next, if the Japanese locale does not exist, install it with the following command.

sudo apt update
sudo apt install language-pack-ja

2. Set the Locale​

Set the Japanese locale with the following command.

sudo update-locale LANG=ja_JP.UTF8

3. Restart the System​

Finally, restart the system. This will reflect the new locale settings.

sudo reboot

With the above steps, the Linux prompt will be Japanese.

How to change the Linux prompt to Japanese

· One min read
ひかり
ひかり
Main bloger

This post explains how to localize the prompt on Raspberry Pi.

1. Setting the locale​

Set the Japanese locale. Execute the following commands:

  1. Check the box as shown with a space and OK.
  2. Select ja_JP.UTF-8 and OK.
sudo dpkg-reconfigure locales

# [*] ja_JP.UTF-8 UTF-8

2. Reboot​

Reboot the system.

sudo reboot

That's all.

Installing Docker on Ubuntu

· 3 min read
ひかり
ひかり
Main bloger

This is a translation of the Docker installation guide for Ubuntu.

[EOL]

  1. Installing Docker Engine

    • Using Package Manager: This is the recommended method for most users.

      sudo apt-get update
      sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin

    • Using the Convenient Script: Docker provides a convenient script for quickly and non-interactively installing Docker in development environments. While not recommended for production, it can be useful for creating provisioning scripts tailored to your needs. Refer to the install using package repository instructions for installation steps using the repository. The script's source code is open source and available on the GitHub docker-install repository. Always review downloaded scripts before executing them.

      curl -fsSL https://get.docker.com -o get-docker.sh
      sudo sh get-docker.sh

    • Using Pre-release: Docker also provides a convenient script to install pre-releases of Docker on Linux, available at test.docker.com. This script configures the package manager to enable the "test" channel from which you can access early versions of new releases and test them in a non-production environment before they are released as stable.

      curl -fsSL https://test.docker.com -o test-docker.sh
      sudo sh test-docker.sh

    • Important: Before running the script, it's a good practice to preview the steps the script will execute by using the DRY_RUN=1 option.

      curl -fsSL https://get.docker.com -o get-docker.sh
      DRY_RUN=1 sh ./get-docker.sh

  2. Post-Installation Steps

  3. Uninstalling Docker Engine

    • Uninstalling Packages:

      sudo apt-get purge docker-ce docker-ce-cli containerd.io docker-compose-plugin

    • Removing Images, Containers, and Volumes: The above command does not automatically remove images, containers, or volumes on the host. To remove all images, containers, and volumes, use the following commands:

      sudo rm -rf /var/lib/docker
      sudo rm -rf /var/lib/containerd

    • Manual Removal: Any manually created configuration files must be removed manually.

  4. Next Steps