sudo gedit /etc/modprobe.d/blacklist.confblacklist vga16fb
blacklist nouveau
blacklist rivafb
blacklist rivatv
blacklist nvidiafb

sudo cd Downloads/
sudo chomod a+x NVIDIA-Linux-x86_64-450.57.run
$ sudo ./NVIDIA-Linux-x86_64-450.57.run
# 完成后开启桌面服务
sudo service lightdm start

Using: nvidia-installer ncurses v6 user interface
-> Detected 12 CPUs online; setting concurrency level to 12.
-> Installing NVIDIA driver version 450.57.
-> An alternate method of installing the NVIDIA driver was detected. (This is usually a package provided by your distributor.) A driver installed via that method may integrate better with your system than a driver installed by nvidia-installer.Please review the message provided by the maintainer of this alternate installation method and decide how to proceed:The NVIDIA driver provided by Ubuntu can be installed by launching the "Software & Updates" application, and by selecting the NVIDIA driver from the "Additional Drivers" tab.(Answer: Abort installation)
ERROR: The installation was canceled due to the availability or presence of an alternate driver installation. Please see /var/log/nvidia-installer.log for more details.

// 添加软件源
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt-get update
// 查看推荐版本
sudo ubuntu-drivers devices # 这一步会看到推荐的驱动版本号,比如 440
// 选择带有 recommended 的版本
sudo apt-get install nvidia-driver-440 nvidia-settings nvidia-prime

sudo add-apt-repository ppa:apandada1/brightness-controller
sudo apt-get update
sudo apt-get install brightness-controller
// 重启，启动该工具
brightness-controler

sudo apt-get update
timedatectl set-local-rtc 1 --adjust-system-clock
sudo apt-get install ntpdate
sudo ntpdate time.windows.com
sudo hwclock --localtime --systohc

dpkg: 依赖关系问题使得 sogoupinyin 的配置工作不能继续：sogoupinyin 依赖于 fcitx-frontend-qt4；然而：未安装软件包 fcitx-frontend-qt4。sogoupinyin 依赖于 libqtwebkit4；然而：未安装软件包 libqtwebkit4。sogoupinyin 依赖于 libopencc2 | libopencc1；然而：未安装软件包 libopencc2。未安装软件包 libopencc1。sogoupinyin 依赖于 fcitx-libs | libfcitx-qt0；然而：未安装软件包 fcitx-libs。未安装软件包 libfcitx-qt0。

curl -sL 'https://keyserver.ubuntu.com/pks/lookup?&op=get&search=0x73BC8FBCF5DE40C6ADFCFFFA9C949F2093F565FF' | sudo apt-key add
// 添加源
sudo cp /etc/apt/sources.list /etc/apt/sources.list_back
sudo gedit /etc/apt/sources.list
// 最后一行添加 deb http://archive.ubuntukylin.com/ukui focal main
sudo apt upgrade
sudo apt --fix-broken install// 安装
sudo apt install sogouimebs
// 输入法属性设置
sogouIme-configtool 

// 添加源
sudo cp /etc/apt/sources.list /etc/apt/sources.list_back
sudo gedit /etc/apt/sources.list
// 最后一行添加 deb http://cz.archive.ubuntu.com/ubuntu bionic main universe
// 更新
sudo apt update
sudo apt --fix-broken install// 重新安装
sudo dpkg -i SunloginClient-10.0.2.24779_amd64.deb