1.Linux查看端口占用情况

lsof -i:端口号
netstat -tunlp|grep 端口号

2.Linux内存条查看命令

dmidecode | grep -A16 "Memory Device$"

3.Linux硬盘UUID查询命令

ls -l /dev/disk/by-uuid
blkid /dev/sdb1

4.Yum安装pip工具

yum -y install epel-release
yum -y install python-pip