grub-mkconfig -o /boot/grub/grub.cfg更新配置。du -s * | sort -nrdd if=/dev/zero of=100M.test bs=100M count=1.*delete.*\cp -rf * target/sed -i -e 's/AAA/BBB/g' unixetc.txtfind ./ -name "*.html" -exec grep "AAA" {} \; -exec sed -i 's/AAA/BBB/g' {} \;sed -i -e '3,17d' unixetc.txtsudo apt install ubuntu-restricted-extrassudo apt autoremove --purge snapdgit config --global http.proxy socks5://127.0.0.1:20170 socks5为代理协议，可配置http/https/socks5等。pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simplepython -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --upgrade pip[http]
proxy = socks5://127.0.0.1:10808
[https]
proxy = socks5://127.0.0.1:10808
[git]
proxy = socks5://127.0.0.1:10808