Tag Archives: NIM

Linux

NIM on firewalled environment

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By depam

Currently setting up NIM on a firewalled environment and multiple gateways. By following the ports need to be opened on the below link:

IBM NIM Communication within a Firewall Environment – United States

I have asked network team to open up firewall but omitted the 32,768 to 65,535 port as our security won’t be able to open this big port ranges.

It seems that NFS by using mountd can be specified a specific port but TFTP specifically needs this high port:

tftp:
Client UDP Master UDP 69
Client UDP Master UDP (random port between 32768 and 65535)

Here the client communicates via UDP to the master’s port 69. The port that the client uses cannot be predicted.
Then, the master responds from port 69 back to the same port that made the request.
I used the bidirectional arrow to represent this.
Then random UDP ports are chosen on both the master and the client to affect the transfer of data. Again bidirectional.

Does this mean that nim mksysb might work but OS restore wont?

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Source: FULL ARTICLE at The UNIX and Linux Forums

Linux

Scripting help with Sudoers file

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By audis$

Hello,
Recently our team noticed access to groups had not been revoked per sudo file.

We currently have around 160 AIX LPARS.

I am hoping someone can help me write a script that would copy all sudoers file at each machine and dump into 1 large file for me to review.

I have public key setup to run from my NIM server.

Any help would be greatly appreciated.

Source: FULL ARTICLE at The UNIX and Linux Forums

Linux

NIM NFS file system cannot unmount

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By omonoiatis9Hello,

I have a script on my NIM Master that runs with crons and performs mksysb backups of all NIM Clients once a week.
There is a problem with one of the clients as it stucks and never finishes the mksysb backups.
I tried to unmount the NFS file system created by the NIM in order to perform the mksysb but i cannot do it.
I killed all processes from NIM Master and client about the nim operation but i still cannot unmount the NFS.
I even tried umount -f but i still get the message below:

Code:
NFS server not responding still trying
i don’t know what else to try. I searched through smitty the nfs filesystems for this server but it doesn’t appear anywhere. I cannot understand why it still try to mount it.

Any ideas on that?
Thank you

Regards,
Stavros
Source: The UNIX and Linux Forums