Gunicorn无法以代码=退出，状态= 203 / EXEC开头

如何解决Gunicorn无法以代码=退出，状态= 203 / EXEC开头

在使用0.0.0.0:8000进行测试时，Gunicorn可以工作，但在以下生产版本下无法使用。 尝试将user：group切换到myproject：myproject，root：nginx，myproject：nginx无效

sudo systemctl状态枪械

● gunicorn.service - gunicorn daemon
    Loaded: loaded (/etc/systemd/system/gunicorn.service; enabled; vendor preset: disabled)
    Active: failed (Result: exit-code) since Sun 2020-08-30 08:49:57 PDT; 5s ago
    Process: 5576 ExecStart=/var/www/myproject/public_py/env/bin/gunicorn --access-logfile - --workers 3 --bind unix:/var/www/myproject/public_py/myproject.sock myproject.wsgi:application (code=exited,status=203/EXEC)
    Main PID: 5576 (code=exited,status=203/EXEC)

Aug 30 08:49:57 myprojecthost systemd[1]: Started gunicorn daemon.
Aug 30 08:49:57 myprojecthost systemd[1]: gunicorn.service: Main process exited,code=exited,status=203/EXEC
Aug 30 08:49:57 myprojecthost systemd[1]: gunicorn.service: Failed with result 'exit-code'.

gunicorn.service

[Unit]
Description=gunicorn daemon
After=network.target

[Service]
User=root
Group=nginx
WorkingDirectory=/var/www/myproject/public_py
ExecStart=/var/www/myproject/public_py/env/bin/gunicorn --access-logfile - --workers 3 --bind unix:/var/www/myproject/public_py/myproject.sock myproject.wsgi:application

[Install]
WantedBy=multi-user.target

项目位于/var/www/myproject

cat /var/log/nginx/error.log

[crit] 1198#0: *51 connect() to unix:/var/www/myproject/public_py/myproject.sock failed (2: No such file or directory) while connecting to upstream,client: xx.xxx.xx.xxx,server: myproject.com,request: "GET / HTTP/1.1",upstream: "http://unix:/var/www/myproject/public_py/myproject.sock:/",host: "myproject.com"

stat / var / www / myproject / public_py / env / bin / gunicorn

  File: /var/www/myproject/public_py/env/bin/gunicorn
  Size: 243         Blocks: 8          IO Block: 4096   regular file
Device: fd01h/64769d    Inode: 1066021     Links: 1
Access: (0775/-rwxrwxr-x)  Uid: (    0/    root)   Gid: (  984/   nginx)
Context: unconfined_u:object_r:httpd_sys_content_t:s0
Access: 2020-08-30 08:07:44.939754370 -0700
Modify: 2020-08-29 18:16:27.280494281 -0700
Change: 2020-08-30 08:46:09.047708570 -0700

解决方法

解决方案：

nginx被SElinux阻止，以解决更改为宽松的情况。