“systemctl start pm2-user-name”给出错误

Question

我正在设置一个新服务器，现在尝试安装 pm2 并按照此说明进行工作https://www.digitalocean.com/community/tutorials/how-to-set-up-a-node-js-application- for-production-on-ubuntu-18-04

尝试时，sudo systemctl start pm2-userName我收到此错误消息：“pm2-userName.service 的作业失败，因为该服务未执行其单元配置所需的步骤。”

任何帮助将不胜感激，因为我坚持这一点。谢谢！”

到目前为止，我一直遵循以下步骤：- sudo npm install pm2@latest -g//（安装正常！）- pm2 start hello.js//（工作正常！）- pm2 startup systemd//（我得到了一个 sudo env PATH... to copyPaste）- copyPasted sudo env PATH=$PATH:/usr/bin /usr/lib/node_modules/pm2/bin/pm2 startup systemd -u carles --hp /home/carles//（一切看起来仍然很好和工作（见下面的启动脚本）- sudo pm2 save（工作）-s udo systemctl start pm2-carles（失败！作为 pm2-carles.service 的作业失败，因为服务没有采取其单元配置所需的步骤。）- systemctl status pm2-carles.service//（已加载但活动：失败（结果：协议）

启动脚本/// #########################

[PM2] Init System found: systemd
Platform systemd
Template
[Unit]
Description=PM2 process manager
Documentation=https://pm2.keymetrics.io/
After=network.target

[Service]
Type=forking
User=carles
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
Environment=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/bin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
Environment=PM2_HOME=/home/carles/.pm2
PIDFile=/home/carles/.pm2/pm2.pid
Restart=on-failure

ExecStart=/usr/lib/node_modules/pm2/bin/pm2 resurrect
ExecReload=/usr/lib/node_modules/pm2/bin/pm2 reload all
ExecStop=/usr/lib/node_modules/pm2/bin/pm2 kill

[Install]
WantedBy=multi-user.target

Target path
/etc/systemd/system/pm2-carles.service
Command list
[ 'systemctl enable pm2-carles' ]
[PM2] Writing init configuration in /etc/systemd/system/pm2-carles.service
[PM2] Making script booting at startup...
[PM2] [-] Executing: systemctl enable pm2-carles...
[PM2] [v] Command successfully executed.
+---------------------------------------+
[PM2] Freeze a process list on reboot via:
$ pm2 save

[PM2] Remove init script via:
$ pm2 unstartup systemd

#

JOURNALCTL -XE ###########################################

Hint: You are currently not seeing messages from other users and the system.
      Users in groups 'adm', 'systemd-journal' can see all messages.
      Pass -q to turn off this notice.
Jul 09 09:36:19 future-card pm2[4752]: [PM2] Resurrecting
Jul 09 09:36:19 future-card pm2[4752]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:36:19 future-card pm2[4752]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:19 future-card pm2[4752]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:36:19 future-card pm2[4752]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:19 future-card pm2[4752]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 33m    ? 0
Jul 09 09:36:19 future-card pm2[4752]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:19 future-card pm2[4752]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:36:20 future-card pm2[4783]: [PM2] Resurrecting
Jul 09 09:36:20 future-card pm2[4783]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:36:20 future-card pm2[4783]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:20 future-card pm2[4783]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:36:20 future-card pm2[4783]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:20 future-card pm2[4783]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 33m    ? 0
Jul 09 09:36:20 future-card pm2[4783]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:20 future-card pm2[4783]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:36:20 future-card pm2[4815]: [PM2] Resurrecting
Jul 09 09:36:20 future-card pm2[4815]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:36:20 future-card pm2[4815]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:20 future-card pm2[4815]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:36:20 future-card pm2[4815]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:20 future-card pm2[4815]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 33m    ? 0
Jul 09 09:36:20 future-card pm2[4815]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:20 future-card pm2[4815]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:36:21 future-card pm2[4846]: [PM2] Resurrecting
Jul 09 09:36:21 future-card pm2[4846]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:36:21 future-card pm2[4846]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:21 future-card pm2[4846]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:36:21 future-card pm2[4846]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:21 future-card pm2[4846]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 33m    ? 0
Jul 09 09:36:21 future-card pm2[4846]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:36:21 future-card pm2[4846]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:50:20 future-card pm2[5168]: [PM2] Resurrecting
Jul 09 09:50:20 future-card pm2[5168]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:50:20 future-card pm2[5168]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:20 future-card pm2[5168]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:50:20 future-card pm2[5168]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:20 future-card pm2[5168]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 47m    ? 0
Jul 09 09:50:20 future-card pm2[5168]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:20 future-card pm2[5168]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:50:20 future-card pm2[5200]: [PM2] Resurrecting
Jul 09 09:50:20 future-card pm2[5200]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:50:20 future-card pm2[5200]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:20 future-card pm2[5200]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:50:20 future-card pm2[5200]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:20 future-card pm2[5200]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 47m    ? 0
Jul 09 09:50:20 future-card pm2[5200]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:20 future-card pm2[5200]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:50:21 future-card pm2[5233]: [PM2] Resurrecting
Jul 09 09:50:21 future-card pm2[5233]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:50:21 future-card pm2[5233]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:21 future-card pm2[5233]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:50:21 future-card pm2[5233]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:21 future-card pm2[5233]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 47m    ? 0
Jul 09 09:50:21 future-card pm2[5233]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:21 future-card pm2[5233]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:50:22 future-card pm2[5265]: [PM2] Resurrecting
Jul 09 09:50:22 future-card pm2[5265]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:50:22 future-card pm2[5265]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:22 future-card pm2[5265]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:50:22 future-card pm2[5265]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:22 future-card pm2[5265]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 47m    ? 0
Jul 09 09:50:22 future-card pm2[5265]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:22 future-card pm2[5265]:  Use `pm2 show <id|name>` to get more details about an app
Jul 09 09:50:23 future-card pm2[5295]: [PM2] Resurrecting
Jul 09 09:50:23 future-card pm2[5295]: [PM2] Restoring processes located in /home/carles/.pm2/dump.pm2
Jul 09 09:50:23 future-card pm2[5295]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:23 future-card pm2[5295]: ? App name ? id ? version ? mode ? pid  ? status ? restart ? uptime ? c
Jul 09 09:50:23 future-card pm2[5295]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:23 future-card pm2[5295]: ? hello    ? 0  ? N/A     ? fork ? 3268 ? online ? 0       ? 47m    ? 0
Jul 09 09:50:23 future-card pm2[5295]: ???????????????????????????????????????????????????????????????????????
Jul 09 09:50:23 future-card pm2[5295]:  Use `pm2 show <id|name>` to get more details about an app```

I expect sudo systemctl start pm2-carles to run and work, instead I am getting "pm2-carles.service - PM2 process manager
   Loaded: loaded (/etc/systemd/system/pm2-carles.service; enabled; vendor preset: enabled)
   Active: failed (Result: protocol) since Tue 2019-07-09 09:50:23 UTC; 1min 2s ago
     Docs: https://pm2.keymetrics.io/
  Process: 5295 ExecStart=/usr/lib/node_modules/pm2/bin/pm2 resurrect (code=exited, status=0/SUCCESS)"

Answer 1

我们需要先终止现有的 master 进程，然后使用 systemd 重新启动 pm2 master 进程。以下步骤将解决您的问题。

1. 运行pm2 kill以杀死主进程（如果它已经启动）。
2. 跑步pm2 startup systemd。
3. 运行在步骤 2 中生成的命令

sudo env PATH=$PATH:/usr/bin /usr/lib/node_modules/pm2/bin/pm2 启动 systemd -u 用户名 --hp /home/用户名

4. 运行sudo systemctl start pm2-USERNAME，现在您有了一个由 systemd 管理的 pm2 主进程。

5. 您可以使用 来验证systemctl status pm2-USERNAME。

6. 运行pm2 save以将您的应用程序配置保存到/home/USERNAME/.pm2，

因此systemd启动的pm2主进程可以在服务器重新启动后恢复它。

您可以在 github 上找到有关此问题的更多信息

Answer 2

重新启动虚拟服务器对我有用：

sudo reboot

如果这不起作用，请尝试：

ps aux | grep pm2 | grep -v grep | awk '{print $2}' | xargs kill -9

以上杀死了 pm2 服务守护进程，之后您可以使用 root 权限重新启动它。（这是从目录 /usr/bin/pm2 运行的情况）。

从 github pm2 线程获得以上内容