I am going to introduce Linux machines to an HP-UX environment and then connect some CNC machines to the Linux machines that were earlier linked to HP-uX using Terminal servers. 1. I have to mount directories from the linux on to the HP-UX. Have any body done such mixed environments? I am sure some of you might have. Will somebody give me an advice on as to this will work? Or is there any hitches? 2. I have to run a shell script that was written for HP-UX to run on Linux? Will it work? I would appreciate a reply. Thanks Sam
The primary tool for network connectivity that works across all platforms is nfs.
CIFS/9000 & Samba has better security and throughput and does the same thing plus shares printers.
As far as the scripts go:
The shell in the top of the scripts will be different.
As far as the commands go, if they are generic UNIX they will work. If they include the full path name of the command, they will have to be adjusted.
Proprietary HP-UX commands won't work, though lvm has been ported to linux.
The PATH and TERM variables will probably need to be adjusted based on actual locations anf files.
You'll run into lots of little glitches, and the best thing you can do for quality assurance is this:
Write a test plan to test scripts and functionality.
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If you're going to share files via NFS, I recommend using the hp-ux host as the server and mounting the volumes on the linux clients. Linux has a sad history as a NFS server, and is only slowly getting better.
As for your scripts, try debugging them under LInux by adding the -x command to your shell specification:
we currently have 90+ HP-UX servers and we recently started with our Linux servers. Our counterparts in France decided to use IBM as the server vendor and so far I must say that I'm not too hapy with IBM's support. HP's support is SO much better.
As for differences or issues. You'll have to get used to the bash shell. not a big difference though. Most everything will switch over. you'll need to change the first line in you scripts to reflect #! /bin/bash instead of #! /usr/bin/ksh I'd recommend going through your scripts then and testing them to see if they work and debug anthing that needs fixing.
We're using one of our linus boxes as an NFS server with absolutely no issues. We're using SuSE linux (again... decided by France due to SAP support) I'd rather be using Red Hat. The administrative tools are another thing you'll have to get people used to. no SAM in Linux.... SuSE has yast and yast2. RedHat has it's own admin tools as well.
In the future we're looking at getting another 40 Linux servers in the next few years.
good point Christoph. I am glad you used the term "easier" though. We also installed ksh but some of the things are slightly different I've noticed. But very good suggestion none the less.
Not to try and ???hijack??? the thread, but where would be a good place for someone to acquire something such as ???ksh??? for Linux?
I never thought about doing that before, but I believe that just may be what I need to make my jump into the Linux world just a little less painful???
"I expect to pass through this world but once. Any good, therefore, that I can do, or any kindness that I can show to any human being, let me do it now. Let me not defer or neglect it, for I shall not pass this way again." Stephen Krebbet, 1793-1855
