github_40094105的博客

1. cat >> file << EOFhttps://www.cnblogs.com/chenjingchao/p/6259572.html1. 创建file文件2. 创建完成后，写入后面的内容3. EOF结束2. linux中的标准输入输出输入：standin 1. 从键盘中读取信息STDOUT与STDERR都会默认显示在终端输出：standout，standerror

#!/bin/bash# 向一个临时文件中写入配置的内容，两种形式service和systemctlsudo cat >/tmp/mysql-exporter-systemctl<<EOF[Unit]Description=Mysql ExporterAfter=network.target[Service]ExecStart= ...[Install]Want...

#!/usr/bin/python# 导入各种模块import sys...# 各种变量consul_ip = sys.argv[2]install_path = ......# 使用os.system()在python执行shell命令os.system('mkdir -p '+install_path)...# 进一步对变量进行处理成 “export install_...

#!/bin/bash#等号左右不能有空格install_path=mysql_root_user="root"mysql_root_password=mysql_host=# 创建用户function create_mysql_user(){ mysql -u${mysql_root_user} -p${mysql_root_password} -e "GRANT REP...

tar_com=`rpm -qa|grep tar`if [ -n tar_com ];then echo 'tar ok'else echo 'tar no'fi查看某个命令是否存在function download(){ if command -v wget > /dev/null 2>&1; then sudo wget ...

查看某个命令是否存在function download(){ if command -v wget > /dev/null 2>&1; then sudo wget ${package_url} -O kubernets.tar.gz mv kubernets.tar.gz ${install_path} elif comman...

read -p "you are sure you wang to xxxxxx?[y/n]" inputecho $inputif [ $input = "y" ];then echo "ok "fi

disk=`cat /etc/system-release`g1="CentOS Linux release 7"g2="haha"if [[ $disk =~ $g1 ]];then ehco "包含"fiif [[ ! $disk =~ $g1 ]];then ehco "不包含"fiif [[ ! $disk =~ $g2 ]];then echo "...