[slurm-users] Problem with permisions. CentOS 7.8

[Ole Holm Nielsen]

On 29-05-2020 08:46, Sudeep Narayan Banerjee wrote:
> also check:
> a) whether NTP has been setup and communicating with master node
> b) iptables may be flushed (iptables -L)
> c) SeLinux to disabled, to check :
> getenforce
> vim /etc/sysconfig/selinux
> (change SELINUX=enforcing to SELINUX=disabled and save the file and reboot)

There is no reason to disable SELinux for running the Munge service.
It's a pretty bad idea to lower the security just for the sake of 
convenience!

/Ole


> On Fri, May 29, 2020 at 12:08 PM Sudeep Narayan Banerjee 
> <snbanerjee at iitgn.ac.in <mailto:snbanerjee at iitgn.ac.in>> wrote:
> 
>     I have not checked on the CentOS7.8
>     a) if /var/run/munge folder does not exist then please double check
>     whether munge has been installed or not
>     b) user root or sudo user to do
>     ps -ef | grep munge
>     kill -9 <PID> //where PID is the Process ID for munge (if the
>     process is running at all); else
> 
>     which munged
>     /etc/init.d/munge start
> 
>     please let me know the the output of:
> 
>     |$ munge -n|
> 
>     |$ munge -n | unmunge|
> 
>     |$ sudo systemctl status --full munge
> 
>     |
> 
>     Thanks & Regards,
>     Sudeep Narayan Banerjee
>     System Analyst | Scientist B
>     Indian Institute of Technology Gandhinagar
>     Gujarat, INDIA
> 
> 
>     On Fri, May 29, 2020 at 11:55 AM Bjørn-Helge Mevik
>     <b.h.mevik at usit.uio.no <mailto:b.h.mevik at usit.uio.no>> wrote:
> 
>         Ferran Planas Padros <ferran.padros at su.se
>         <mailto:ferran.padros at su.se>> writes:
> 
>          > I run the command as slurm user, and the /var/log/munge
>         folder does belong to slurm.
> 
>         For security reasons, I strongly advise that you run munged as a
>         separate user, which is unprivileged and not used for anything else.
> 
>         -- 
>         Regards,
>         Bjørn-Helge Mevik, dr. scient,
>         Department for Research Computing, University of Oslo
>