execstart在Golang WebApp的SystemD服务中失败
我是Golang的新手，正在尝试在服务器上托管一个简单的网站。
我在ubuntu 18.04上，
我的域根目录在/var/www/vhosts/mydomain.com/mydomain.com/mydomain.com
我有一个main.go file，在浏览器中渲染一个简单的Hello World。
当i 从此目录中运行main.go时，该网页正常工作。
现在，当我关闭shell时，我正在尝试创建一个服务以保持网页可用。
为此，我创建了一个新的服务称为golangweb.service at /etc/etc/systemd/systemd/system。
该文件的内容是：
[Unit]
Description = Go Server
[Service]
ExecStart=/var/www/vhosts/mydomain.com/mydomain.com
Type=simple
Restart=always
RestartSec=5
[Install]
WantedBy=multi-user.target
保存文件后，我按顺序插入folling命令：
sudo systemctl daemon-reload
sudo systemctl enable golangweb.service
sudo systemctl start golangweb.service
sudo systemctl status golangweb.service
当我尝试获得状态时，我会收到以下错误（我在那里删除了一些数据）：
golangweb.service - Go Server
Loaded: loaded (/etc/systemd/system/golangweb.service; enabled; vendor preset: enabl
Active: activating (auto-restart) (Result: exit-code) since Fri xx-xx-xx 23:43:52
**Process: xx ExecStart=/var/www/vhosts/mydomain.com/mydomain.com (code=exited, sta
Main PID: xx (code=exited, status=203/EXEC)**
Mai xx xx:xx:xx xxxxx.xxxx.xxxx.systemd[1]: golangweb.service: Failed with re
Warning: Journal has been rotated since unit was started. Log output is incomplete or u
lines 1-8/8 (END)
● golangweb.service - Go Server
Loaded: loaded (/etc/systemd/system/golangweb.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Fri xx-xx-xx xx:xx:xx CEST; 3s ago
Process: xx ExecStart=/var/www/vhosts/mydomain.com/mydomain.com (code=exited, status=203/EXEC)
Main PID: xx (code=exited, status=203/EXEC)
Mai xx xx:xx:xx xxxx.xx.xx xx[1]: golangweb.service: Failed with result 'exit-code'.
Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.
有人知道为什么会发生这种情况吗？
I'm new to golang and am trying to host a simple website on my server.
I'm on Ubuntu 18.04
My domain root directory is in /var/www/vhosts/mydomain.com/mydomain.com
There I have a main.go file which is rendering a simple Hello World in the browser.
When I go run main.go from this directory, the webpage is working correctly.
Now I'm trying to create a service to keep the webpage available when I close my shell.
For that I created a new service called golangweb.service at /etc/systemd/system.
The content at that file is:
[Unit]
Description = Go Server
[Service]
ExecStart=/var/www/vhosts/mydomain.com/mydomain.com
Type=simple
Restart=always
RestartSec=5
[Install]
WantedBy=multi-user.target
After saving the file I insert the folling commands in order:
sudo systemctl daemon-reload
sudo systemctl enable golangweb.service
sudo systemctl start golangweb.service
sudo systemctl status golangweb.service
When I try to get the status I get the following error (I xed out some data there):
golangweb.service - Go Server
Loaded: loaded (/etc/systemd/system/golangweb.service; enabled; vendor preset: enabl
Active: activating (auto-restart) (Result: exit-code) since Fri xx-xx-xx 23:43:52
**Process: xx ExecStart=/var/www/vhosts/mydomain.com/mydomain.com (code=exited, sta
Main PID: xx (code=exited, status=203/EXEC)**
Mai xx xx:xx:xx xxxxx.xxxx.xxxx.systemd[1]: golangweb.service: Failed with re
Warning: Journal has been rotated since unit was started. Log output is incomplete or u
lines 1-8/8 (END)
● golangweb.service - Go Server
Loaded: loaded (/etc/systemd/system/golangweb.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Fri xx-xx-xx xx:xx:xx CEST; 3s ago
Process: xx ExecStart=/var/www/vhosts/mydomain.com/mydomain.com (code=exited, status=203/EXEC)
Main PID: xx (code=exited, status=203/EXEC)
Mai xx xx:xx:xx xxxx.xx.xx xx[1]: golangweb.service: Failed with result 'exit-code'.
Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.
does anybody know why this is happening?
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execstart的第一个参数需要是可执行文件。看起来您已将其设置为目录。如果您尝试在Shell提示符下尝试键入/var/www/vhosts/mydomain.com/mydomain.com/mydomain.com，您会看到类似的行为：您无法运行目录。您可以 set：
另外，您可以编译代码（
go Build），然后将execstart设置为到达编译的二进制文件：The first argument to
ExecStartneeds to be an executable file. It looks like you've set it to a directory. If you were to try typing/var/www/vhosts/mydomain.com/mydomain.comat the shell prompt, you would see similar behavior: you can't run a directory.You could set:
Alternately, you could compile your code (
go build), and then setExecStartto the full path to the compiled binary: