linux下安裝node環境以及配置軟連線、pm2管理node程式

安裝

在官方網站下載linux系統的安裝包，然後上傳到伺服器進行解壓安裝

• 執行解壓命令：tar -xvf node-v6.10.0-linux-x64.tar.xz
• 重新命名： mv node-v6.10.0-linux-x64 nodejs
• 確認一下nodejs下bin目錄是否有node 和npm檔案，如果有執行軟連線，如果沒有重新下載執行上邊步驟；

通過原始碼編譯，在官方網站下載Source code檔案，

• tar xvf node-v0.10.28.tar.gz
• cd node-v0.10.28
• ./configure
• make
• make install
• cp /usr/local/bin/node /usr/sbin/ 路徑自己選擇
• 檢視當前安裝的Node的版本 ： node -v

建立軟連線,配置全域性環境變數

• ln -s /usr/local/nodejs/bin/npm /usr/local/bin/
• ln -s /usr/local/nodejs/bin/node /usr/local/bin/

檢查是否配置好

• node -v
• npm -v

使用pm2進行node程式管理

• 安裝：npm i pm2 -g
• 執行：pm2 start app.js
• 停止所有程式：pm2 stop all
• 重啟所有程式： pm2 restart all

pm2命令

# General 
    $ npm install pm2 -g            # Install PM2 
    $ pm2 start app.js              # Start, Daemonize and auto-restart application (Node) 
    $ pm2 start app.py              # Start, Daemonize and auto-restart application (Python) 
    $ pm2 start npm -- start        # Start, Daemonize and auto-restart Node application 
 
# Cluster Mode (Node.js only) 
    $ pm2 start app.js -i 4         # Start 4 instances of application in cluster mode 
                                    # it will load balance network queries to each app 
    $ pm2 reload all                # Zero Second Downtime Reload 
    $ pm2 scale [app-name] 10       # Scale Cluster app to 10 process 

# Process Monitoring 
    $ pm2 list                      # List all processes started with PM2 
    $ pm2 list --sort=<field>       # Sort all processes started with PM2 
    $ pm2 monit                     # Display memory and cpu usage of each app 
    $ pm2 show [app-name]           # Show all information about application 
 
# Log management 
    $ pm2 logs                      # Display logs of all apps 
    $ pm2 logs [app-name]           # Display logs for a specific app 
    $ pm2 logs --json               # Logs in JSON format 
    $ pm2 flush
    $ pm2 reloadLogs
 
# Process State Management 
    $ pm2 start app.js --name="api" # Start application and name it "api" 
    $ pm2 start app.js -- -a 34     # Start app and pass option "-a 34" as argument 
    $ pm2 start app.js --watch      # Restart application on file change 
    $ pm2 start script.sh           # Start bash script 
    $ pm2 start app.json            # Start all applications declared in app.json 
    $ pm2 reset [app-name]          # Reset all counters 
    $ pm2 stop all                  # Stop all apps 
    $ pm2 stop 0                    # Stop process with id 0 
    $ pm2 restart all               # Restart all apps 
    $ pm2 gracefulReload all        # Gracefully reload all apps in cluster mode 
    $ pm2 delete all                # Kill and delete all apps 
    $ pm2 delete 0                  # Delete app with id 0 
 
# Startup/Boot management 
    $ pm2 startup                   # Detect init system, generate and configure pm2 boot on startup 
    $ pm2 save                      # Save current process list 
    $ pm2 resurrect                 # Restore previously saved processes 
    $ pm2 unstartup                 # Disable and remove startup system 
     
    $ pm2 update                    # Save processes, kill PM2 and restore processes 
    $ pm2 generate                  # Generate a sample json configuration file 
 
# Deployment 
    $ pm2 deploy app.json prod setup    # Setup "prod" remote server 
    $ pm2 deploy app.json prod          # Update "prod" remote server 
    $ pm2 deploy app.json prod revert 2 # Revert "prod" remote server by 2 
     
# Module system 
    $ pm2 module:generate [name]    # Generate sample module with name [name] 
    $ pm2 install pm2-logrotate     # Install module (here a log rotation system) 
    $ pm2 uninstall pm2-logrotate   # Uninstall module 
    $ pm2 publish                   # Increment version, git push and npm publish