安裝
shell> npm install pm2 -g # Install latest pm2 version
shell> npm install pm2@latest -g
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Looking for a complete monitoring and management tool for PM2?
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| < __/ |_| | | | | | | __/ |_| | | | (__\__ \_| | (_) |
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Features
- Real Time Dashboard
- CPU/Memory monitoring
- HTTP monitoring
- Event notification
- Custom value monitoring
- Real Time log display
Checkout
https://keymetrics.io/
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[PM2] Spawning PM2 daemon
[PM2] PM2 Successfully daemonized
┌──────────┬────┬──────┬─────┬────────┬─────────┬────────┬────────┬──────────┐
│ App name │ id │ mode │ pid │ status │ restart │ uptime │ memory │ watching │
└──────────┴────┴──────┴─────┴────────┴─────────┴────────┴────────┴──────────┘
Use `pm2 show <id|name>` to get more details about an app
# Fork mode
shell> pm2 start app.js
shell> pm2 start app.js --name="api" # Start application and name it "api"
shell> pm2 start app.js --no-daemon
# Cluster mode
shell> pm2 start app.js -i 0 # Enable load-balancer and cluster features
shell> pm2 start app.js -i 0 # Will start maximum processes with LB depending on available CPUs
shell> pm2 start app.js --watch # Restart application on file change
shell> pm2 restart api
shell> pm2 stop api
shell> pm2 stop 0 # Stop specific process id
shell> pm2 stop all # Stop all apps
shell> pm2 restart all # Restart all processes
shell> pm2 reload all # Will 0s downtime reload (for NETWORKED apps)
shell> pm2 delete 0 # Will remove process from pm2 list
shell> pm2 delete all # Will remove all processes from pm2 list
apps:
- script : app.js
instances: 4
exec_mode: cluster
- script : worker.js
watch : true
env :
NODE_ENV: development
env_production:
NODE_ENV: production
pm2 start process.yml
apps:
script : api.js
instances : max
exec_mode : cluster
shell> pm2 list # List all processes started with PM2
$HOME/.pm2 will contain all PM2 related files
$HOME/.pm2/logs will contain all applications logs
$HOME/.pm2/pids will contain all applications pids
$HOME/.pm2/pm2.log PM2 logs
$HOME/.pm2/pm2.pid PM2 pid
$HOME/.pm2/rpc.sock Socket file for remote commands
$HOME/.pm2/pub.sock Socket file for publishable events
$HOME/.pm2/conf.js PM2 Configuration
shell> pm2 generate # Generate a sample json configuration file
# Logs
shell> pm2 logs # Display logs of all apps
shell> pm2 reloadLogs # Reload all logs
shell> pm2 flush # Clear all the logs
shell> pm2 ping # Ensure pm2 daemon has been launched
{ msg: 'pong' }
Monitor all processes
shell> pm2 monit # Display memory and cpu usage of each app
cluster_mode
$HOME/.pm2 will contain all PM2 related files $HOME/.pm2/logs will contain all applications logs $HOME/.pm2/pids will contain all applications pids $HOME/.pm2/pm2.log PM2 logs $HOME/.pm2/pm2.pid PM2 pid $HOME/.pm2/rpc.sock Socket file for remote commands $HOME/.pm2/pub.sock Socket file for publishable events $HOME/.pm2/conf.js PM2 Configuration
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