find
正则查找
find -regex “<>”
忽略大小写查找文件
find -iname ***
符号查找
静态库
nm libxvidcore.a
-n: sort
-u undefined-only
剪贴板 xclip
复制内容到剪贴板
echo “hello xclip” | xclip -selection c
建立别名
alias clip=”xclip -selection c”
版本管理 update-alternatives
update-alternatives
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sudo update-alternatives --remove-all gcc sudo update-alternatives --remove-all g++ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 1 sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 10 sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 1 sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 10
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忽略输出
startkde >/dev/null 2>&1
Install Specific Package Version With Apt Command in Ubuntu
sudo apt install package_name=package_version
add user to sudo group
usermod -G sudo lull
check groups
cat /etc/group
if not in the sudoers file
https://blog.csdn.net/weixin_49192027/article/details/114702099
添加文件
/etc/sudoers.d/lull
1
| lull ALL=(root,lull) ALL
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Ubuntu-18.04 install GCC11
link
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| add-apt-repository ppa:ubuntu-toolchain-r/test sudo apt update sudo apt install gcc-11 g++-11
sudo updatedb && sudo ldconfig locate gcc | grep -E "/usr/bin/gcc-"
ls /usr/bin/gcc* ls /usr/bin/g++*
sudo update-alternatives --remove-all gcc sudo update-alternatives --remove-all g++ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 1 sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 10 sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 1 sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 10
gcc --version g++ --version
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处理wsl与windows的code冲突
原生code使用wsl的code
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| alias code=/usr/bin/code
ln -s "/mnt/c/Users/lull/AppData/Local/Programs/Microsoft VS Code/bin/code" wcode
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