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I've got an interesting issue that has now bit me twice. My organization has three Microsoft DNS servers (Windows Server 2003 SP1). Normally, they work just as advertised and we have no issues from clients. Unfortunately, we've experienced a scenario that is impacting our UNIX clients (~200)...

I know that there are a few different forums that I could post this, but I thought I'd try this one as most, or all, here should understand where I'm coming from. I'd like to get some advise from the masses concerning UNIX cross-training. My workcenter has a few "new" UNIX admins who are fairly...

I need to rotate a bunch of application log files regularly. Normally I just use one of my scripts to do this, but I wanted to find out if there is a standard program that the industry is using. I'm not looking for script examples as I already have one that works fine. What are you using to...

As most of you probably know, the US is changing from the standard daylight savings time next year. I was able to find the following statement and patches for Solaris 8, 9, and 10: http://sunsolve.sun.com/search/document.do?assetkey=1-26-102178-1 Unfortunately, I can't find an updated patch...

Have you seen any issues with enabling collections of disk input/output statistics? I'd like to enable stats with the following. chdev -l sys0 -a iostat=true I am a little hesitant because I read the following in the iostat man page. Any ideas?

A couple of weeks ago I called IBM concerning an IP replacement event. I had swapped an IP address between adapters and was unable to swap back. Long story short, they were unable to fix the issue short of restarting my cluster services. Part of troubleshooting the issue involved me changing...

What kind of throughput do you see with your standard etherchannel devices? I've got an etherchannel device made up of the following: en0 100MB/FD en1 100MB/FD When I use nmon to see how much data I can transfer across it, I only see about 11 MB a second. This is what I previously saw with...

Can anyone tell me the command to create a DVD from an ISO? I've created an ISO image with the command: mkdvd -I /nim_mnt -S Now that I have the image, I'd like to make a DVD out of it.

I'm maintaining a legacy application that isn't working too well on our SAN. The problem is that with any zone changes, the servers loose access to their drives. These systems may be around for quite a while and our SAN vendors are reluntant to support their OS version. We'd really like to...

I have a few older servers which aren't holding up very well. I've had three hardware crashes in as many weeks. Moving to different hardware isn't an option. When one of these servers crashes, it takes 3 or 4 hours to run a filesystem check (fsck). I'm using Solaris 2.6, so standard...

I'd like to modify the default account attributes for all new users on my AIX systems. I suppose I can manually edit the "default" entry in the /etc/security/user file, but is there a better way to do this? It looks like the chuser command doesn't work against the "default" user (go figure...

I'm in the process of rebuilding a two node HACMP cluster. Originally the nodes were running AIX 4.3.3, HA 4.x and had two resource groups defined. Both resource groups were setup as cascading in the same public network. It was a fairly simple setup. Now I'm loading AIX 5.2, using HA 5.1...

Hopefully this is one of those easy questions that one of you guys will rattle off... I loaded AIX 5.2 on a server recently and I didn't select "graphics software" as part of the initial load. Is there an simple way to load this now? I was hoping to keep all the X stuff off the system, but...

I've got a boot address on a standby node that isn't going away when the primary node's resource group fails to the standby node. Here's how my cluster is setup: I've got one cascading resource group in a HACMP 5.1 cluster. There are two nodes in this cluster which each have three interfaces...

I'm looking for a way to convert several filesystems from jfs to jfs2. Are there any ways to automate this? This isn't the root volume group, so I'd imagine that this has gotta be fairly simple. I've got the application down and I was planning on creating new jfs2 filesystems and just copying...