How to mount CD-ROM in AIX

Steps to mount a CD-ROM in AIX

1.         Insert the CD-ROM into the CD-ROM
drive.
2.         Log in as user ROOT or type su - root
to login using the root profile.
3.         Create a /cdrom directory by entering
mkdir /cdrom.
4.         Enter smit to add a CD-ROM file system.
5.         Select System Storage Management
(Physical & Logical Storage) -> File Systems -> Add/Change/Show/Delete

Steps for FC Adapter Firmware update

The steps that are needed to be followed for FC adapter firmware update in AIX is show below

 

 1) To check how many FC adapters are there, same can be used for (datapath) also


lsdev –Cc adapter

pcmpath query adapter(SDDPCM) or datapath query adapter(for SDD Device drivers)










2) To check Firmware Level of FC adapter

lscfg –vpl fcs0
 



check for Z9 from above,Which is

Working with Crontab

Crontab is the scheduler program used ina unix servers.
Each user can have their own crontab, and though these are files in /var/spool/cron , they are not intended to be edited directly.

If  the  cron.allow  file  exists,  then you must be listed therein in order to be allowed to use this command. 
If the cron.allow file does not exist but the cron.deny file does exist, then you must not be

UNIX History

Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, Michael Lesk and Joe Ossanna. The Unix operating system was first developed in assembly language, but by 1973 had been almost entirely recoded in C, greatly facilitating its further