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README.md: fix description for runc with systemd 

Fix the command and elaborate the instruction.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2015-10-28 04:21:39 -04:00
parent db21ac7750
commit 826c92faed
1 changed files with 18 additions and 1 deletions
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README.md
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@ -393,6 +393,10 @@ PID USER COMMAND
#### Using runc with systemd
To use runc with systemd, you can create a unit file
`/usr/lib/systemd/system/minecraft.service` as below (edit your
own Description or WorkingDirectory or service name as you need).
```service
[Unit]
Description=Minecraft Build Server
@ -402,10 +406,23 @@ After=network.target
[Service]
CPUQuota=200%
MemoryLimit=1536M
ExecStart=/usr/local/bin/runc
ExecStart=/usr/local/bin/runc start
Restart=on-failure
WorkingDirectory=/containers/minecraftbuild
[Install]
WantedBy=multi-user.target
```
Make sure you have the bundle's root directory and JSON configs in
your WorkingDirectory, then use systemd commands to start the service:
```bash
systemctl daemon-reload
systemctl start minecraft.service
```
Note that if you use JSON configs by `runc spec`, you need to modify
`config.json` and change `process.terminal` to false so runc won't
create tty, because we can't set terminal from the stdin when using
systemd service.