Ubuntu ¶

sudo apt update && sudo apt upgrade -y
# sudo apt-get clean && sudo apt-get autoremove
# timedatectl set-timezone Asia/Shanghai
# mkdir -p /etc/apt/sources.list.d

Use repository mirror [1]¶

sudo cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/ubuntu.sources.bak
sudo vim /etc/apt/sources.list.d/ubuntu.sources

Ubuntu 24

Types: deb
URIs: https://mirrors.ustc.edu.cn/ubuntu
Suites: noble noble-updates noble-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Types: deb
URIs: https://mirrors.ustc.edu.cn/ubuntu
Suites: noble-security
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Ubuntu 24 ARM

Types: deb
URIs: https://mirrors.ustc.edu.cn/ubuntu-ports
Suites: noble noble-updates noble-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Types: deb
URIs: https://mirrors.ustc.edu.cn/ubuntu-ports
Suites: noble-security
Components: main universe restricted multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Ubuntu 22 ARM

Types: deb
URIs: https://mirrors.ustc.edu.cn/ubuntu-ports
Suites: jammy jammy-updates jammy-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Types: deb
URIs: https://mirrors.ustc.edu.cn/ubuntu-ports
Suites: jammy-security
Components: main universe restricted multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

sudo apt update

Ubuntu 24¶

Ubuntu 24 ARM (Cache)¶

Enable WiFi [2]¶

sudo apt install network-manager
nmcli d
sudo nmcli r wifi on
nmcli d wifi list
sudo nmcli d wifi connect <ssid> password <password>

Troubleshoot¶

How to fix “Failed to fetch <sources.list links> 404 Not Found [IP: <some_ip>]”

Ubuntu 22 ARM¶

Disable WiFi [3][4]¶

sudo ifconfig eth0 up
sudo ifconfig wlan0 down

But it seems don’t work.

sudo rm /etc/netplan/50-cloud-init.yaml
sudo vim /etc/netplan/00-installer-config.yaml

network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
      dhcp4: true
      optional: true
  wifis:
    wlan0:
      dhcp4: true
      optional: false
      access-points:
        "<ssid>":
          password: "<password>"
          hidden: true

sudo chmod 600 /etc/netplan/00-installer-config.yaml
sudo netplan generate
sudo netplan --debug apply
sudo reboot

ip a
sudo ifconfig wlan0 down

Install Nerd Font [5] (Cache)¶

sudo vim /etc/fonts/conf.d/50-enable-fixed.conf

<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
  <selectfont>
    <acceptfont>
      <pattern>
        <patelt name="<font_family>"><string>fixed</string></patelt>
      </pattern>
    </acceptfont>
  </selectfont>
</fontconfig>

sudo dpkg-reconfigure fontconfig

wget https://github.com/ryanoasis/nerd-fonts/releases/download/v3.3.0/JetBrainsMono.tar.xz
tar -xJvf JetBrainsMono.tar.xz
rm README.md
rm OFL.txt
mv JetBrains** ~/.local/share/fonts