创建连接
ln -s [源目录] [映射目录]ln -s /www/server/mysql /usr/local/
删除软连接
rm [映射目录]rm /usr/local/mysql
搜索文件
sudo find / -name '文件名' 2>/dev/null
tar
tar解压.tar.bz2文件失败:tar: Error is not recoverable: exiting now
// 原因:未安装bzipyum -y install bzip2
systemctl redis startsystemctl redis stopsystemctl redis restart# 开机自启动systemctl enable redis
端口
# 查看所有端口netstat -ntlp# 搜素端口netstat -ntlp | grep 80# 查看指定端口lsof -i :80
