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Linux存档 #8
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# 字符串中数字排序
sort -V
# 倒序
sort -Vr |
# 显示全部已定义的别名
alias
alias -p
# 显示已定义的别名(假设当前环境存在以下别名)
alias ls
alias ls grep
# 定义或修改别名的值
alias ls='ls --color=auto'
alias ls='ls --color=never' grep='grep --color=never' 直接在shell里设定的命令别名,在终端关闭或者系统重新启动后都会失效,如何才能永久有效呢? 使用编辑器打开~/.bashrc,在文件中加入别名设置,如:alias rm='rm -i',保存后执行source ~/.bashrc,这样就可以永久保存命令的别名了。 因为修改的是当前用户目录下的~/.bashrc文件,所以这样的方式只对当前用户有用。如果要对所有用户都有效,修改/etc/bashrc文件就可以了。 |
如何加入开机自启动脚本
#!/bin/bash
# chkconfig: 2345 20 80
# description: Description comes here....
# Source function library.
. /etc/init.d/functions
start() {
# code to start app comes here
# example: daemon program_name &
}
stop() {
# code to stop app comes here
# example: killproc program_name
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
status)
# code to check status of app comes here
# example: status program_name
;;
*)
echo "Usage: $0 {start|stop|status|restart}"
esac
exit 0
|
docker开启自动启动 systemctl enable docker |
Linux查看开机启动项 |
tar 使用 压缩
tar -zcvf test.tar.gz test
解压缩
tar -zxvf file.tar.gz |
An Introduction To Data Science On The Linux Command Line
|
查看系统启动时间who -b |
Ctrl+a跳到本行的行首, ctrl+a:光标移到行首。 |
step 1 firewall-cmd --zone=public --permanent --add-port=8080/tcp firewall-cmd --reload |
重命名技巧 cat > a.txt |
按行安装直接忽略错误 |
文件夹内查找 |
给所有文件夹添加文件 find . -type d -exec touch {}/__init__.py \; |
批量更改 grep -rl '#049fd9' django/ | xargs sed -i 's/#049fd9/rgba\(13, 39, 77, 1\)/g' |
wsl的一些相关命令 wsl --set-version Ubuntu 2 https://docs.microsoft.com/en-us/windows/wsl/compare-versions |
fucking wsl2 |
用户 https://www.digitalocean.com/community/questions/nothing-working-for-non-root-user sudo problem |
停止多个相同images的docker
docker stop $(docker ps | grep python | awk 'NR > 1 {print $1}'|xargs)
Find命令用法
mv配合grep移动
mkdir 同时创建子目录
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