我的 ubuntu 16.04 服务器偶尔会自行重启，但我不知道为什么？以下是 syslog 文件内容，其中包含名为 Shutdown 的关键字
Nov 21 13:51:42 AB-active-server systemd[1]: Created slice User Slice of support.
Nov 21 13:51:42 AB-active-server systemd[1]: Starting User Manager for UID 1000...
Nov 21 13:51:42 AB-active-server systemd[1]: Started Session 1196 of user support.
Nov 21 13:51:42 AB-active-server systemd[18340]: Reached target Sockets.
Nov 21 13:51:42 AB-active-server systemd[18340]: Reached target Paths.
Nov 21 13:51:42 AB-active-server systemd[18340]: Reached target Timers.
Nov 21 13:51:42 AB-active-server systemd[18340]: Reached target Basic System.
Nov 21 13:51:42 AB-active-server systemd[18340]: Reached target Default.
Nov 21 13:51:42 AB-active-server systemd[18340]: Startup finished in 15ms.
Nov 21 13:51:42 AB-active-server systemd[1]: Started User Manager for UID 1000.
Nov 21 13:51:42 AB-active-server console-kit-daemon[21735]: (process:18348): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
Nov 21 13:51:42 AB-active-server console-kit-daemon[21735]: missing action
Nov 21 13:51:44 AB-active-server systemd[1]: Stopping User Manager for UID 1000...
Nov 21 13:51:44 AB-active-server systemd[18340]: Stopped target Default.
Nov 21 13:51:44 AB-active-server systemd[18340]: Reached target Shutdown.
Nov 21 13:51:44 AB-active-server console-kit-daemon[21735]: (process:18386): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
Nov 21 13:51:44 AB-active-server console-kit-daemon[21735]: missing action
Nov 21 13:51:44 AB-active-server console-kit-daemon[21735]: console-kit-daemon[21735]: GLib-CRITICAL: Source ID 739 was not found when attempting to remove it
Nov 21 13:51:44 AB-active-server systemd[18340]: Starting Exit the Session...
Nov 21 13:51:44 AB-active-server console-kit-daemon[21735]: GLib-CRITICAL: Source ID 739 was not found when attempting to remove it
Nov 21 13:51:44 AB-active-server systemd[18340]: Stopped target Basic System.
Nov 21 13:51:44 AB-active-server systemd[18340]: Stopped target Timers.
Nov 21 13:51:44 AB-active-server systemd[18340]: Stopped target Sockets.
Nov 21 13:51:44 AB-active-server systemd[18340]: Stopped target Paths.
Nov 21 13:51:44 AB-active-server systemd[18340]: Received SIGRTMIN+24 from PID 18387 (kill).
Nov 21 13:51:44 AB-active-server systemd[1]: Stopped User Manager for UID 1000.
Nov 21 13:51:44 AB-active-server systemd[1]: Removed slice User Slice of support.
服务器的磁盘分区有 60% 以上的可用存储空间，并且 inode 的使用率仅为 1%
内存为 60G，英特尔 Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
答案1
如果发生无法解释的关机，我会查看所有日志，这可能是找出问题的唯一机会。我会查看系统日志，找到启动的位置，然后查看之前的条目。
有时没有确凿的证据，那么你可以询问你的 DC 是否发生过电源事件并检查他们的设备。我最近有一台服务器意外离线了几次，结果发现是机架 PDU 出现故障。