Linux can also be so cool series of Linux performance monitoring tools-gtop

在讲gtop之前可以先说一下htop,功能类似于top,但是画面比top更出色，更加清晰明了，但是htop已经集成在epel源里边，只需要yum安装即可

比htop更好看的是gtop，一个比htop更加漂亮美观的命令，但是并没有集成到epel源里面，需要使用npm 命令进行安装

先来一波效果的展示

Installation requires us to use the node environment, let’s first install the node environment Node.js environment to build

wget https://nodejs.org/dist/v8.9.2/node-v8.9.2-linux-x64.tar.xz
 xz -d node-v8.9.2-linux-x64.tar.xz
 tar xf node-v8.9.2-linux-x64.tar -C /usr/local/
 ln -s /usr/local/node-v8.9.2-linux-x64 /usr/local/node
 echo "export PATH=$PATH:/usr/local/node/bin" >>/etc/profile
 . /etc/profile && source /etc/profile
 node -v
 npm install -g cnpm --registry=https://registry.npm.taobao.org
 npm -v
 cnpm install gtop -g
 gtop

Stop using gtop q, or use ctrl+c in most shell environments.

You can sort the flow table by pressing

p: Process ID c: CPU usage m: Memory usage