Detailed explanation of the steps to install supervisor under centos

This article brings you a detailed explanation of the steps to install supervisor under centos. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

1. Install supervisor

Execute the following command

yum install python-setuptools
easy_install supervisor

or

#如果easy_install不好使就从官方下载：
wget https://pypi.python.org/packages/80/37/964c0d53cbd328796b1aeb7abea4c0f7b0e8c7197ea9b0b9967b7d004def/supervisor-3.3.1.tar.gz
#然后通过python安装：
tar zxf supervisor-3.3.1.tar.gz
cd supervisor
python setup.py install

2 , Configure Supervisor

a. Create folders and configuration files

mkdir /etc/supervisor
echo_supervisord_conf > /etc/supervisor/supervisord.conf

b. Modify the contents of the /etc/supervisor/supervisord.conf file
At the end of the file [include] node
Change; files = relative/directory/*.ini

## to files = conf.d/ *.conf

c. Execute the

supervisorctl reload command to make the configuration file take effect. d. Create the conf.d folder under /etc/supervisor/ and ProjectName.conf (named after the project name)
e. Open the laravel.conf file and add the following content:

[program:laravel]
process_name=%(program_name)s_%(process_num)02d
command=/usr/local/php/bin/php /data/wwwroot/laravel/artisan queue:listen --tries=3
autostart=true
autorestart=true
user=www
numprocs=2
redirect_stderr=true
stdout_logfile=/data/wwwlogs/worker.log

3. Run supervisord to check whether it takes effect. Execute the following command:

#运行
supervisord -c /etc/supervisor/supervisord.conf
#查看进程 (ps -ef | grep ProjectName)
ps -ef|grep laravel

4. Configure supervisord to start at boot

a. Specify Create the file supervisord.service

vim /usr/lib/systemd/system/supervisord.service

b. Enter the following content:

[Unit]
Description=Supervisor daemon

[Service]
Type=forking
ExecStart=/usr/bin/supervisord -c /etc/supervisor/supervisord.conf
ExecStop=/usr/bin/supervisorctl shutdown
ExecReload=/usr/bin/supervisorctl reload
KillMode=process
Restart=on-failure
RestartSec=42s

[Install]
WantedBy=multi-user.target

c. Execute the following command:

systemctl enable supervisord

d. Verify whether it is started at boot:

#提示 enabled 表示成功
systemctl is-enabled supervisord

5. Common commands

service supervisord start #启动
service supervisord stop #停止
service supervisord status #状态
supervisorctl shutdown #关闭所有任务
supervisorctl stop|start program_name #启动或停止服务
supervisorctl status #查看所有任务状态

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