centos 7.6安裝 cri-o-1.11.11-1後無法啟動，報錯：
> systemctl status crio.service -l
● crio.service - open container initiative daemon
loaded: loaded (/usr/lib/systemd/system/crio.service; disabled; vendor preset: disabled)
active: failed (result: exit-code) since wed 2019-07-03 10:17:06 cst; 12s ago
docs:
process: 21876 execstart=/usr/bin/crio $crio_storage_options $crio_network_options (code=exited, status=1/failure)
main pid: 21876 (code=exited, status=1/failure)
jul 03 10:17:06 registry systemd[1]: starting open container initiative daemon...
jul 03 10:17:06 registry crio[21876]: time="2019-07-03 10:17:06.691820122+08:00" level=fatal msg="invalid --runtime value "stat /usr/bin/runc: no such file or directory""
jul 03 10:17:06 registry systemd[1]: crio.service: main process exited, code=exited, status=1/failure
jul 03 10:17:06 registry systemd[1]: failed to start open container initiative daemon.
jul 03 10:17:06 registry systemd[1]: unit crio.service entered failed state.
jul 03 10:17:06 registry systemd[1]: crio.service failed.
通常情況如果我們安裝了docker,那runc也安裝了，只是沒有安裝在/usr/bin/runc目錄下。
於是我們看下runc安裝在哪個目錄，並把它軟連線到/usr/bin目錄下
> which runc
/usr/sbin/runc
> ln -s /usr/sbin/runc /usr/bin/runc
> systemctl start crio
> systemctl status crio.service -l
● crio.service - open container initiative daemon
loaded: loaded (/usr/lib/systemd/system/crio.service; disabled; vendor preset: disabled)
active: active (running) since wed 2019-07-03 10:38:24 cst; 4s ago
docs:
main pid: 23960 (crio)
tasks: 10
memory: 21.1m
cgroup: /system.slice/crio.service
└─23960 /usr/bin/crio
jul 03 10:38:24 registry systemd[1]: starting open container initiative daemon...
jul 03 10:38:24 registry systemd[1]: started open container initiative daemon.
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