的介绍。CentOS自带supervisor，可以直接通过yum安装。在CentOS7上可以直接安装，在CentOSStream上可以通过epel-release安装。yum-yinstallsupervisorserviceCentOS7及以上版本使用systemd进行服务管理systemctlenablesupervisordsystemctlstartsupervisord配置默认配置文件为/etc/supervisord.conf[unix_http_server]file=/run/supervisor/supervisor.sock;(thepathtothesocketfile)[supervisord]logfile=/var/log/supervisor/supervisord.log;(mainlogfile;default$CWD/supervisord.log)logfile_maxbytes=50MB;(maxmainlogfilebytesb4rotation;default50MB)logfile_backups=10;(numofmainlogfilerotationbackups;default10)loglevel=info;(loglevel;defaultinfo;others:调试、警告、跟踪）pidfile=/run/supervisord.pid；（supervisordpidfile；默认supervisord.pid）nodaemon=false；（startinforegroundiftrue；defaultfalse）minfds=1024；（min.availstartupfiledescriptors；default1024）minprocs=200；（最小。availprocessdescriptors;default200)[rpcinterface:supervisor]supervisor.rpcinterface_factory=supervisor.rpcinterface:make_main_rpcinterface[supervisorctl]serverurl=unix:///run/supervisor/supervisor.sock;useaunix://URLforaunixsocket[include]files=supervisord.d/*.ini[root@centos8~]#cat/etc/supervisord.conf|grep-v'^;'|grep-v'^$'[unix_http_server]file=/run/supervisor/supervisor.sock;(thepathtothesocketfile)[supervisord]logfile=/var/log/supervisor/supervisord.log;(mainlogfile;default$CWD/supervisord.log)logfile_maxbytes=50MB;(maxmainlogfilebytesb4rotation;default50MB)logfile_backups=10;(numofmainlogfilerotationbackups;default10)loglevel=info;(loglevel;默认信息；其他：调试、警告、跟踪）pidfile=/run/supervisord.pid；（supervisordpidfile；defaultsupervisord.pid）nodaemon=false；（startinforegroundiftrue；defaultfalse）minfds=1024；（min.availstartupfiledescriptors；default1024）minprocs=200；(min.availprocessdescriptors;default200)[rpcinterface:supervisor]supervisor.rpcinterface_factory=supervisor.rpcinterface:make_main_rpcinterface[supervisorctl]serverurl=unix:///run/supervisor/supervisor.sock;useaunix://URLforaunixsocket[include]files=supervisord.d/*.ini可以直接修改这个配置，直接添加程序管理程序。也可以放在/etc/supervisord.d/*.ini目录下，独立文件方便拷贝贝类管理vim/etc/supervisord.d/demo.ini[program:demo]command=/usr/local/demo/demo;theprogram(relativeusesPATH,cantakeargs);process_name=%(program_name)s;process_nameexpr(default%(program_name)s);numprocs=1;numberofprocessescopiestostart(def1)directory=/usr/local/demo;directorytocwdtobeforeexec(defnocwd);umask=022;umaskforprocess(defaultNone);priority=999;therelativestartpriority(default999);autostart=true;startatsupervisordstart(默认:真）；autorestart=true；retstartatunexpectedquit（默认值：true）；startsecs=10；numberofsecsprogmuststayrunning（def.1）；startretries=3；max#ofserialstartfailures（default3）；exitcodes=0,2；'expected'exitcodesforprocess（default0,2);stopsignal=QUIT;signalusedtokillprocess(defaultTERM);stopwaitsecs=10;maxnumsecstowaitb4SIGKILL(default10);user=chrism;setuidtothisUNIXaccounttoruntheprogram;redirect_stderr=true;redirectprocstderrtostdout(defaultfalse);stdout_logfile=/a/path;stdoutlogpath,NONEfornone;defaultAUTO_stdout_logfile1MB；最大#logfilebytesb4rotation（默认50MB）；stdout_logfile_backups=10；#ofstdoutlogfilebackups（默认10）；stdout_capture_maxbytes=1MB；“捕获模式”中的字节数（默认0）；stdout_events_enabled=false；emiteventsonstdoutwrites（默认false）；stderr_logfile=/a/path；stderrlogpath，NONEfornone；默认AUTO；stderr_logfile_maxbytes=1MB；max#logfilebytesb4rotation（默认50MB）；stderr_logfile_backups=10；#ofstderrlogfilebackups（默认10）；stderr_capture_maxbytes=1MB；'捕获模式'中的字节数（默认0）；stderr_events_enabled=false；emiteventsonstderrwrites（defaultfalse）；环境=A=1，B=2;processenvironmentadditions(defnoadds);serverurl=AUTO;overrideserverurlcomputation(childutils)配置好的程序路径就可以加载到任务了任务管理可以通过supervisorctlsupervisorctlstatus#查看进程运行状态supervisorctlstart进程名#启动进程supervisorctlsstop进程名#关闭进程supervisorctlrestart进程名#重启进程supervisorctlshutdown#关闭supervisordsupervisorctlreread#重新加载配置文件supervisorctlreload#重新加载配置并重启句柄不足在一些高-并发程序，句柄可能不足。您可以通过编辑supervisord.service文件来修改句柄数。vim/usr/lib/systemd/system/supervisord.service[Unit]Description=ProcessMonitoringandControlDaemonAfter=rc-local.service[Service]LimitNOFILE=40960LimitNPROC=40960Type=forkingExecStart=/usr/bin/supervisord-c/etc/supervisord.confRuntimeDirectory=supervisorRuntimeDirectoryMode=755[Install]WantedBy=multi-user.target修改后需要重启服务才能生效
