[sudo-users] What should I check?

Shawn McMahon syberghost at gmail.com
Mon Dec 21 13:33:55 MST 2015

On Mon, Dec 21, 2015 at 1:18 PM, Leroy Tennison <leroy at datavoiceint.com>

> We have had this happen on CentOS7 and Ubunto 14.04 LTS recently. Login
> then do sudo -i, enter a correct password at the password prompt only to
> get:
> sudo: unable to open /var/log/sudo-io/seq: Read-only file system
> We haven't tampered with 'seq' (per direction in reponse to a previous
> question). A reboot solves the problem.

Sounds like you're skipping the obvious; /var is becoming read-only.

If those are VMs, make sure the backing store is on a reliable source. A
common cause of this is having the stores on NFS over a flaky network.

Not a sudo problem, a system problem.

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