Ubuntu Tips

提示

建议参考

重置root密码

sudo su root
passwd root
exit

安装解码器和微软字体

sudo apt install ubuntu-restricted-addons ubuntu-restricted-extras -y

安装 Nvidia 显卡驱动

sudo ubuntu-drivers install

配置代理

安装优化

sudo apt install gnome-tweaks

美化终端

参见https://github.com/microsoft/WindowsDeveloperConfig

安装vscode

wget "https://code.visualstudio.com/sha/download?build=stable&os=linux-deb-x64" -O code.deb
mv code.deb /tmp
cd /tmp
sudo apt install ./code.deb

修复鼠标指针、Qt主题问题

sudo snap install bibata-modern-ice-cursor # 示例鼠标指针主题
sudo apt install bibata-cursor-theme
# sudo apt install papirus-icon-theme bibata-cursor-theme orchis-gtk-theme && sudo snap install bibata-modern-ice-cursor bibata-all-cursor gtk-theme-orchis orchis-themes 
ln --symbolic /snap/bibata-modern-ice-cursor/8/share/icons/Bibata-Modern-Ice  ~/.local/share/icons/default
for plug in $(snap connections | grep gtk-common-themes:icon-themes | awk '{print $2}'); do sudo snap connect ${plug} bibata-all-cursor:icon-themes; done # 每次安装完snap应用都执行一下

echo 'QT_STYLE_OVERRIDE=kvantum' | sudo tee -a /etc/environment
sudo apt install qt6-style-kvantum qt6-style-kvantum-l10n qt6-style-kvantum-themes

然后打开kvantum-manager设置主题即可

最终的/etc/environment文件可能长这样

PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/yoimiya/Downloads/clion-2024.2.3/bin:/home/yoimiya/Downloads/RustRover-2024.2.4/bin:/home/yoimiya/.local/bin:"

QT_STYLE_OVERRIDE=kvantum

强制使用x11, 则使用env QT_QPA_PLATFORM=xcb python3 main.py
Qt应用程序可用选项举例./PythagoreanTriple -style=adwaita qt6ct -style=kvantum env QT_SCALE_FACTOR=1.25 kate env QT_FONT_DPI=96 kate
Qt应用程序其他选项QT_AUTO_SCREEN_SCALE_FACTOR=1 QT_SCALE_FACTOR=1.5
Java应用程序缩放问题java -jar -Dglass.gtk.uiScale=150% xxx.jar

文件极速查找工具

sudo apt install plocate
sudo updatedb
# sudo updatedb -U /path
locate something

更多软件包管理器前端

sudo apt install synaptic aptitude

更新系统

echo 'alias update="sudo apt update && sudo apt upgrade && sudo apt autoremove --purge && sudo apt autoclean && sudo snap refresh"' >> ~/.zshrc

移除旧版本Snap包

LANG=en_US.UTF-8; snap list --all | awk '/disabled/ { system("sudo snap remove " $1 " --revision=" $3) }'

磁盘空间查看器

sudo apt install filelight
sudo apt install qml-module-qtquick-shapes

修复NTFS磁盘无法挂载

sudo lsblk
sudo ntfsfix --clear-dirty /dev/nvme0n1p4

把桌面换成KDE

sudo apt install kubuntu-desktop

然后自行卸载安装输入法

增大vm.max_map_count以提升游戏体验

echo 'vm.max_map_count = 2147483642' | sudo tee /etc/sysctl.d/80-gamecompatibility.conf

补充

• 音视频、图像格式转换，压缩，处理sudo apt install ffmpeg imagemagick

• 网页视频下载器

  sudo apt install yt-dlp

  可以使用脚本传入选项

  #! /bin/sh
  yt-dlp --cookies-from-browser firefox "$@"

• matlab内存不足
  输入命令sudo echo > /etc/security/limits.d/systemd.conf "* hard nofile 65536"