cPanel in LXC container requesting reboots

tony_ssi

November 03, 2017 04:29

Hello, We recently installed cPanel in a CentOS 7 LXC container running on Proxmox 5.1 After the installation, cPanel is requesting reboot due to software updates. Rebooting the container did not solve the issue. whmapi1 reports the following:

# whmapi1 system_needs_reboot
---
data:
  details:
    updates:
      glibc: 2.17-196.el7
      openssl-libs: 1:1.0.2k-8.el7
      systemd: 219-42.el7_4.4
  needs_reboot: 1
metadata:
  command: system_needs_reboot
  reason: OK
  result: 1
  version: 1

Is there any way to debug this further? Thank you!

Comments

4 comments

cPanelMichael

November 03, 2017 16:46
Hello, This was brought up recently as part of internal case CPANEL-15721. It was determined that the needs-restarting binary is seeing items outside of the container on CentOS 7 guests due to how LXC is provisioned, leading to the issue you have described. The solution is to reboot the host server itself (or contact your VPS provider if you do not have access to the host server). Note that CentOS 6 does not suffer from this problem because it does not utilize the needs-restarting binary. You can find documentation on using cPanel & WHM on Linux Containers (LXC) at:
0
tony_ssi

November 03, 2017 17:27
Thank you for the clarification. Apart from any security implications - is this issue going to affect the functionality of cPanel?
0
tony_ssi

November 04, 2017 08:25
Apparently the problem is caused by this bug: github.com/lxc/lxcfs/issues/164 btime is not virtualized in /proc/stat which will get resolved eventually
0
cPanelMichael

November 07, 2017 16:03
Apart from any security implications - is this issue going to affect the functionality of cPanel?

No, as long as you don't mind seeing the reboot warning message in WHM. Thank you.
0

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