~ D:\workspace\javascript>npm install -g forever D:\toolkit\nodejs\forever -> D:\toolkit\nodejs\node_modules\forever\bin\forever D:\toolkit\nodejs\foreverd -> D:\toolkit\nodejs\node_modules\forever\bin\foreverd

~ D:\workspace\javascript>forever -h help: usage: forever [action] [options] SCRIPT [script-options] help: help: Monitors the script specified in the current process or as a daemon help: help: actions: help: start Start SCRIPT as a daemon help: stop Stop the daemon SCRIPT help: stopall Stop all running forever scripts help: restart Restart the daemon SCRIPT help: restartall Restart all running forever scripts help: list List all running forever scripts help: config Lists all forever user configuration help: set <key> <val> Sets the specified forever config <key> help: clear <key> Clears the specified forever config <key> help: logs Lists log files for all forever processes help: logs <script|index> Tails the logs for <script|index> help: columns add <col> Adds the specified column to the output in `forever list` help: columns rm <col> Removed the specified column from the output in `forever list` help: columns set <cols> Set all columns for the output in `forever list` help: cleanlogs [CAREFUL] Deletes all historical forever log files help: help: options: help: -m MAX Only run the specified script MAX times help: -l LOGFILE Logs the forever output to LOGFILE help: -o OUTFILE Logs stdout from child script to OUTFILE help: -e ERRFILE Logs stderr from child script to ERRFILE help: -p PATH Base path for all forever related files (pid files, etc.) help: -c COMMAND COMMAND to execute (defaults to node) help: -a, --append Append logs help: -f, --fifo Stream logs to stdout help: -n, --number Number of log lines to print help: --pidFile The pid file help: --sourceDir The source directory for which SCRIPT is relative to help: --minUptime Minimum uptime (millis) for a script to not be considered "spinning" help: --spinSleepTime Time to wait (millis) between launches of a spinning script. help: --colors --no-colors will disable output coloring help: --plain alias of --no-colors help: -d, --debug Forces forever to log debug output help: -v, --verbose Turns on the verbose messages from Forever help: -s, --silent Run the child script silencing stdout and stderr help: -w, --watch Watch for file changes help: --watchDirectory Top-level directory to watch from help: --watchIgnore To ignore pattern when watch is enabled (multiple option is allowed) help: -h, --help You're staring at it help: help: [Long Running Process] help: The forever process will continue to run outputting log messages to the console. help: ex. forever -o out.log -e err.log my-script.js help: help: [Daemon] help: The forever process will run as a daemon which will make the target process start help: in the background. This is extremely useful for remote starting simple node.js scripts help: without using nohup. It is recommended to run start with -o -l, & -e. help: ex. forever start -l forever.log -o out.log -e err.log my-daemon.js help: forever stop my-daemon.js help:

start:启动守护进程 stop:停止守护进程 stopall:停止所有的forever进程 restart:重启守护进程 restartall:重启所有的foever进程 list:列表显示forever进程 config:列出所有的用户配置项 set <key> <val>: 设置用户配置项 clear <key>: 清楚用户配置项 logs: 列出所有forever进程的日志 logs <script|index>: 显示最新的日志 columns add <col>: 自定义指标到forever list columns rm <col>: 删除forever list的指标 columns set<cols>: 设置所有的指标到forever list cleanlogs: 删除所有的forever历史日志

-m MAX: 运行指定脚本的次数 -l LOGFILE: 输出日志到LOGFILE -o OUTFILE: 输出控制台信息到OUTFILE -e ERRFILE: 输出控制台错误在ERRFILE -p PATH: 根目录 -c COMMAND: 执行命令，默认是node -a, –append: 合并日志 -f, –fifo: 流式日志输出 -n, –number: 日志打印行数 –pidFile: pid文件 –sourceDir: 源代码目录 –minUptime: 最小spinn更新时间(ms) –spinSleepTime: 两次spin间隔时间 –colors: 控制台输出着色 –plain: –no-colors的别名，控制台输出无色 -d, –debug: debug模式 -v, –verbose: 打印详细输出 -s, –silent: 不打印日志和错误信息 -w, –watch: 监控文件改变 –watchDirectory: 监控顶级目录 –watchIgnore: 通过模式匹配忽略监控 -h, –help: 命令行帮助信息

~ D:\workspace\javascript>express -e nodejs-forever ~ D:\workspace\javascript>cd nodejs-forever && npm install

~ D:\workspace\javascript\nodejs-forever>forever start app.js warn:    --minUptime not set. Defaulting to: 1000ms warn:    --spinSleepTime not set. Your script will exit if it does not stay up for at least 1000ms info:    Forever processing file: app.js

~ D:\workspace\javascript\nodejs-forever>forever list info:    No forever processes running ~ D:\workspace\javascript\nodejs-forever>forever stop app.js error:   Forever cannot find process with index: app.js

~ cd /home/conan/nodejs ~ express -e nodejs-forever ~ cd nodejs-forever && npm install ~ sudo npm install forever -g

~ forever start app.js warn:    --minUptime not set. Defaulting to: 1000ms warn:    --spinSleepTime not set. Your script will exit if it does not stay up for at least 1000ms info:    Forever processing file: app.js

~ forever list info:    Forever processes running data:        uid  command             script forever pid   logfile                       uptime data:    [0] L2tY /usr/local/bin/node app.js 18276   18279 /home/conan/.forever/L2tY.log 0:0:0:37.792 # 系统进程 ~ ps -aux|grep node Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html conan    18296  0.5  1.1 597696 23776 ?        Ssl  15:48   0:00 /usr/local/bin/node /usr/local/lib/node_modules/forever/bin/monitor app.js conan    18299  0.4  0.8 630340 18392 ?        Sl   15:48   0:00 /usr/local/bin/node /home/conan/nodejs/nodejs-forever/app.js # 端口占用 ~ netstat -nltp|grep node tcp        0      0 0.0.0.0:3000            0.0.0.0:*               LISTEN      18299/node

~ forever stop app.js info:    Forever stopped process: data:        uid  command             script forever pid   logfile                       uptime [0] L2tY /usr/local/bin/node app.js 18276   18279 /home/conan/.forever/L2tY.log 0:0:0:45.621

# 查看node进程，PID=18299  ~ ps -aux|grep node conan    18296  0.0  1.1 597696 23776 ?        Ssl  15:48   0:00 /usr/local/bin/node /usr/local/lib/node_modules/forever/bin/monitor app.js conan    18299  0.0  0.8 630340 18392 ?        Sl   15:48   0:00 /usr/local/bin/node /home/conan/nodejs/nodejs-forever/app.js conan    18315  0.0  0.0  13584   956 pts/5    R+   15:52   0:00 grep --color=auto node # 杀死PID=19299 ~ kill -9 18299 # 再看node进程，node自动重启，新的PID=18324  ~ ps -aux|grep node conan    18296  0.0  1.1 597696 23916 ?        Ssl  15:48   0:00 /usr/local/bin/node /usr/local/lib/node_modules/forever/bin/monitor app.js conan    18316  2.6  0.8 630340 18412 ?        Sl   15:52   0:00 /usr/local/bin/node /home/conan/nodejs/nodejs-forever/app.js conan    18324  0.0  0.0  13584   956 pts/5    R+   15:52   0:00 grep --color=auto node

~ kill -9  18296 ~ ps -aux|grep node conan    18316  0.0  0.9 630340 18644 ?        Sl   15:52   0:00 /usr/local/bin/node /home/conan/nodejs/nodejs-forever/app.js conan    18333  0.0  0.0  13584   952 pts/5    S+   15:57   0:00 grep --color=auto node # 再杀死node进程 ~ kill -9 18316 ~ ps -aux|grep node conan    18336  0.0  0.0  13584   956 pts/5    S+   15:58   0:00 grep --color=auto node

~ vi app.js //.. http.createServer(app).listen(app.get('port'), function(){   console.log(new Date());   console.log('Express server listening on port ' + app.get('port')); }); setTimeout(function(){   console.log(new Date());   throw new Error('App is error from inner!'); },10*1000);

~ node app.js Thu Sep 26 2013 16:08:44 GMT+0800 (CST) Express server listening on port 3000 Thu Sep 26 2013 16:08:54 GMT+0800 (CST) /home/conan/nodejs/nodejs-forever/app.js:41   throw new Error('App is error from inner!');         ^ Error: App is error from inner!     at null._onTimeout (/home/conan/nodejs/nodejs-forever/app.js:41:9)     at Timer.listOnTimeout [as ontimeout] (timers.js:110:15)

~ mkdir logs ~ chmod 777 -R logs ~ forever -p . -l ./logs/access.log -e ./logs/error.log start app.js # 检查错误日志 ~ cat logs/access.log ls Thu Sep 26 2013 16:15:02 GMT+0800 (CST) Express server listening on port 3000 Thu Sep 26 2013 16:15:12 GMT+0800 (CST) /home/conan/nodejs/nodejs-forever/app.js:41   throw new Error('App is error from inner!');         ^ Error: App is error from inner!     at null._onTimeout (/home/conan/nodejs/nodejs-forever/app.js:41:9)     at Timer.listOnTimeout [as ontimeout] (timers.js:110:15) error: Forever detected script exited with code: 8 error: Forever restarting script for 1 time Thu Sep 26 2013 16:15:13 GMT+0800 (CST) Express server listening on port 3000 Thu Sep 26 2013 16:15:23 GMT+0800 (CST) /home/conan/nodejs/nodejs-forever/app.js:41   throw new Error('App is error from inner!');         ^ Error: App is error from inner!     at null._onTimeout (/home/conan/nodejs/nodejs-forever/app.js:41:9)     at Timer.listOnTimeout [as ontimeout] (timers.js:110:15) error: Forever detected script exited with code: 8 error: Forever restarting script for 2 time Thu Sep 26 2013 16:15:23 GMT+0800 (CST) Express server listening on port 3000 Thu Sep 26 2013 16:15:33 GMT+0800 (CST) /home/conan/nodejs/nodejs-forever/app.js:41   throw new Error('App is error from inner!');         ^ Error: App is error from inner!     at null._onTimeout (/home/conan/nodejs/nodejs-forever/app.js:41:9)     at Timer.listOnTimeout [as ontimeout] (timers.js:110:15) error: Forever detected script exited with code: 8 error: Forever restarting script for 3 time Thu Sep 26 2013 16:15:33 GMT+0800 (CST) Express server listening on port 3000 Thu Sep 26 2013 16:15:43 GMT+0800 (CST) /home/conan/nodejs/nodejs-forever/app.js:41   throw new Error('App is error from inner!');         ^ Error: App is error from inner!     at null._onTimeout (/home/conan/nodejs/nodejs-forever/app.js:41:9)     at Timer.listOnTimeout [as ontimeout] (timers.js:110:15) error: Forever detected script exited with code: 8 error: Forever restarting script for 4 time

~ forever list info:    Forever processes running data:        uid  command             script forever pid   logfile         uptime data:    [0] SmtT /usr/local/bin/node app.js 18444   18579 logs/access.log 0:0:0:7.211 ~ forever list info:    Forever processes running data:        uid  command             script forever pid   logfile         uptime data:    [0] SmtT /usr/local/bin/node app.js 18444   18579 logs/access.log 0:0:0:8.921 ~ forever list info:    Forever processes running data:        uid  command             script forever pid   logfile         uptime data:    [0] SmtT /usr/local/bin/node app.js 18444   18604 logs/access.log 0:0:0:0.177 ~ forever list info:    Forever processes running data:        uid  command             script forever pid   logfile         uptime data:    [0] SmtT /usr/local/bin/node app.js 18444   18604 logs/access.log 0:0:0:2.206

~ cd /home/conan/nodejs/nodejs-forever/ ~ forever -p . -l ./logs/access.log -e ./logs/error.log -a -w start app.js

~ export LOG=/var/log/nodejs/project ~ export PID=/var/log/nodejs/project/forever.pid ~ export APP_PATH=/home/conan/nodejs/nodejs-forever ~ export APP=$APP_PATH/app.js ~ forever -p $APP_PATH -l $LOG/access.log -e $LOG/error.log -o $LOG/out.log -a --pidFile $PID start $APP