htop工具可查看系统进程，比top命令更强大、直观

通用安装

# 第三方库
yum install epel-release -y
yum install htop -y

有的镜像源并没有htop，这是需要用rpm包安装

• Centos6安装

rpm -ivh http://mirrors.sohu.com/fedora-epel/epel-release-latest-6.noarch.rpm
yum install htop -y

• Centos7安装

rpm -ivh http://mirrors.sohu.com/fedora-epel/epel-release-latest-7.noarch.rpm
yum install htop -y

执行命令

htop