Sometimes when you try to mount file system (NFS) you will get the following Error:
#mount -o rw server1:/dir /bk mount: 1831-008 giving up on: server1:/dir vmount: Operation not permitted.
Sometimes when you try to mount file system (NFS) you will get the following Error:
#mount -o rw server1:/dir /bk mount: 1831-008 giving up on: server1:/dir vmount: Operation not permitted.
Configure DNS on AIX
Add the DNS server(s) to the /etc/resolv.conf configuration file:
vi /etc/resolv.conf
IBM AIX has a 3 Edition (Standard, Express, Enterprise) and you can check the installed edition on you server by the following command:
/usr/sbin/chedition -l
and you can check the difference between each edition from the following Link:
http://www-03.ibm.com/systems/power/software/aix/v61/editions.html
After a customer had performed some bad edits on various LDAP configuration files, users were locked out and unable to access the system. Root could still login however.
I logged in as root, and rather than mess with various config files, eg under /etc/pam.d, ran this command to disable LDAP authentication and enable “normal” authentication using /etc/shadow:
– Scan New Hardware:
scsi-rescan
rescan-scsi-bus.sh –forcerescan
– For Physical Volumes:
pvdisplay
pvscan
pvcreate /dev/sdb
– For Volume Groups:
vgdisplay
vgscan
vgextend VGNAME PVNAME
lvextend -L+50G LVNAME
resize2fs LVNAME
Some times, when you shutdown LPAR, it’s appear inactive but there is some Cores Allocated to this LPAR and overall the HMC doesn’t see the Free cores.
so, here is the solution for this issue :
– First, login to HMC Console (Command Line)
– write the following Command to get the System name which contain the LPAR: Continue Reading…
use the following command to remotely eject the tap from a tap device to minimize your time & safe your data:
#mt offline
it will eject the tap from the default device tap unit “rmt0”.
Use the following command to rename a device:
# rendev -l hdisk4 -n hdisk53
where the ‘hdisk4’ is your device and ‘hdisk53’ is the new name.
HINT: The device must be free
Here are the commands related to error demon in AIX
To stop logging run the below command
#/usr/lib/errstop
To get rid of that log.
# rm /var/adm/ras/errlog
To restart the daemon, thus creating a new error log
Continue Reading…
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