date: cannot set date: Operation not permitted openvz

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This post explains how to solve the following error while setting the time in a openvz container vps.

Error:
date: cannot set date: Operation not permitted

Reason:
Capability not set for the vps

Soultion:

On Openvz node:

Stop the vps
[root@test ~]# vzctl stop 9851

set the parameter

[root@test ~]# vzctl set 9851 --save --capability sys_time:on
Saved parameters for CT 9851

Start the vps
[root@test ~]# vzctl start 9851

Enter into the vps

[root@test8 ~]# vzctl enter 9851

entered into CT 9851

[root@abc /]#

check date

[root@abc /]# date

Fri Sep 16 00:39:09 CST 2011

Change date

[root@abc /]# date -s "Tue Sep 27 00:39:09 CST 2011"

Tue Sep 27 00:39:09 CST 2011

check date again

[root@abc /]# date

Tue Sep 27 00:39:19 CST 2011

Thats it. Date has been changed. 

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Recommended Reading

1. Practical Guide to Linux Commands, Editors, and Shell Programming, A (2nd Edition)
2. UNIX and Linux System Administration Handbook (4th Edition)
3. Linux All-in-One For Dummies
4. Introduction to the Command Line (Second Edition): The Fat Free Guide to Unix and Linux Commands

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