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Server refused to allocate pty

June 18th, 2013

sometimes if you have many users logging on your system, you may see the following errors :

login as: admin
admin@10.10.11.10's password:
Server refused to allocate pty
stty: tcgetattr: A specified file does not support the ioctl system call.

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how to take remote backup without tap unit

June 6th, 2013

Remote Backup on AIX System
Dears,

I found a way to take remotely backup from AIX System from Server that doesn’t have TAP UNIT.

Suppose that the server that we want to take backup from it is ServerA, and the server that has TAP Unit is ServerB.

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how to know the volume group of specified logical volume

May 27th, 2013

if you need to know the volume group of specified logical volume(AIX System with HACMP), you can run the following command :

#/usr/es/sbin/cluster/utilities/clgetvg -l hd5
rootvg

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Error: 1601, Severity: 17-Sybase

May 16th, 2013

Error Explanation

There are not enough ‘user connections’ available to start a new process. Retry when there are fewer active users

Recommended Solution

1. Determine the current number of user connections configured: by using the following command
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resolve hostname to internet address or vice versa

May 14th, 2013

Host Commands,It’s a good command to resolve the IP Address to Hostname of Hostname to IP Address ( it’s check file ‘/etc/hosts’) which you can use it on your script:

For Example

#host TEstServer
TEstServer is 10.10.10.10

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how to make load on processor

April 25th, 2013

to make load on your processor to test something just write the following :

yes | sum &

display next availale major number

April 10th, 2013

run the following command to get the next available major number :

# lvlstmajor

the system doesn’t upgraded to the correct TL

March 27th, 2013

Hello everybody,

sometimes, after upgrading AIX System you found that it doesn’t upgraded to the correct Level even after reboot the system. if you face kind of this problem, you just need to run the follwoing command :

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0516-082 varyonvg: Unable to access a special device file

March 27th, 2013

if you got the following errot while you trying to vary on a volume group:

#varyonvg testvg
0516-082 varyonvg: Unable to access a special device file.
         Execute redefinevg and synclvodm to build correct environment.

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/etc/getrootfs[591] : ‘processid’ killed

March 27th, 2013

I will telling you about Funny issue I faceed yesterday.

 
I wanted  to reboot a test machine, it’s stopped on LED code ‘557‘ which means it can’t mount root file system, I tried to boot from  AIX installation DVD to

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