A, node installation
Software Address: https://nodejs.org/en/download/
#1、下载软件包 [root@node ~]# mkdir /app [root@node ~]# cd /app/ [root@node app]# wget https://nodejs.org/dist/v12.13.1/node-v12.13.1-linux-x64.tar.xz [root@node app]# ll total 13740 -rw-r--r-- 1 root root 14067172 Nov 19 16:39 node-v12.13.1-linux-x64.tar.xz #2.解压缩 [root@node app]# tar xf node-v12.13.1-linux-x64.tar.xz -C /usr/local/ [root@node app]# cd /usr/local/ [root@node local]# ls bin etc games include lib lib64 libexec node-v12.13.1-linux-x64 sbin share src [root@node local]# mv node-v12.13.1-linux-x64/ node [root@node local]# ls bin etc games include lib lib64 libexec node sbin share src #3、配置环境变量 [root @ node local] # vim / etc / Profile Export the PATH = / usr / local / the Node / bin: $ the PATH [root @ node local] # Source / etc / Profile # 4, to see if the installation was successful [root @ node local ] # the Node -v v12.13.1
Two, pm2 installation and use
2.1 Introduction
1) PM2 is a node process management tool, you can use it to simplify many tedious tasks node application management, such as performance monitoring, automatic restart, load balancing, and very simple to use.
Run 2) PM2 need to support environment and Npm of Node
2.2 Installation
[root@node local]# npm install -g pm2 /usr/local/node/bin/pm2 -> /usr/local/node/lib/node_modules/pm2/bin/pm2 /usr/local/node/bin/pm2-dev -> /usr/local/node/lib/node_modules/pm2/bin/pm2-dev /usr/local/node/bin/pm2-docker -> /usr/local/node/lib/node_modules/pm2/bin/pm2-docker /usr/local/node/bin/pm2-runtime -> /usr/local/node/lib/node_modules/pm2/bin/pm2-runtime npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/pm2/node_modules/fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"}) + [email protected] # if a network problem, can refer to the following articles added in 48.781s from 206 Packages Contributors 202 https://cnodejs.org/topic/4f9904f9407edba21468f31e