Ubuntu24.04 安装优化

更新apt源

# 切换阿里镜像源
cat <<EOF > /etc/apt/sources.list
deb https://mirrors.aliyun.com/ubuntu/ noble main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ noble main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ noble-security main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ noble-security main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ noble-updates main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ noble-updates main restricted universe multiverse

# deb https://mirrors.aliyun.com/ubuntu/ noble-proposed main restricted universe multiverse
# deb-src https://mirrors.aliyun.com/ubuntu/ noble-proposed main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ noble-backports main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ noble-backports main restricted universe multiverse
EOF

# 进行更全面的升级，可能会删除一些不再需要的软件包，以解决软件包之间的依赖关系冲突。
apt dist-upgrade

# 自动删除那些现在不再被任何已安装软件包所依赖的软件包。
apt autoremove

# 清理掉那些已经不能从软件源中下载的过时软件包文件。
apt autoclean

设置静态ip

cat <<EOF > /etc/netplan/50-cloud-init.yaml
network:
  version: 2
  ethernets:
    enp0s3:
      dhcp4: false
      addresses:
        - 192.12.0.10/24
      routes:
        - to: default
          via: 192.12.0.1
      nameservers:
        addresses: [192.12.0.1]
EOF
# 使配置生效
netplan apply

# 禁用ipv6
cat <<EOF >> /etc/sysctl.conf
net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf.default.disable_ipv6=1
net.ipv6.conf.lo.disable_ipv6=1
EOF
# 使配置生效
sysctl -p

设置默认启动

# 设置默认启动到文本模式
systemctl set-default multi-user.target
# 设置默认启动到图形界面
systemctl set-default graphical.target
# 为了优化启动时间，我们这里将默认启动设置为文本模式，也就是平常使用的终端模式

关闭snap更新

# 暂停所有snap服务更新
snap refresh --hold
# ansp应用在 24 小时内不检查更新
snap refresh --hold=24h
# 恢复所有应用的自动更新
snap refresh --unhold