When you have multiple systems to manage, patch analysis can be tedious. However, the built-in features of Software Distributor (SD) make this job quite easy. The HP script "swainv" has several useful options: swainv [-D directory | -N inventory] [-q] [-x option=value] [-e name=value] [-h...
LVM Performance Tips: Very large volume groups and lvols (terabyte and larger) require special planning. The first precaution is with the vgcreate command. *ALWAYS* specify a large PE size (32, 64 or 128 MB). The default (4 MB) is far, far too small to...
QUESTION: How can I increase the size of the Primary Swap, and '/' file systems (VG00 LVOLs 2 and 3) on an HP-UX 11.11 server? ANSWER: The usual answer to this question is for you to take an Ignite/UX make_tape_recovery or make_net_recovery backup of your...
The steps to clone a client using make_net_recovery are as follows: 1. Use make_net_recovery or the Ignite-UX GUI to create a recovery archive of the source client. 2. Login to the Ignite-UX server. 3. If the client to be installed does not currently have...
For many years, this was the standard method to obtain the CPU clock speed in HP-UX: echo "itick_per_usec/D" | adb -k /stand/vmunix /dev/kmem Then take the number and divide it by 10000 (10k). It turns out that itick_per_usec never shows the processor's core frequency, it...
Q: What is the timeout for disk operations? A. There are two methods. One is for LVM operations and is accomplished with pvchange -t. This sets the limit for LVM operations to a disk or LUN. It can be set to zero to use the...
Q: I need to sleep in my script for less than a second. How can this be done? A: While you might perform some calculation a million times, your script will run slow on older systems and too fast on new systems. perl is your...
PA-RISC (LVM only) mirrored root disk, HP-UX versions 11.11, 11.23, 11.31 Use pvchange –a N /dev/dsk/cxtxdx before removing the disk. -a N will remove all the paths to the PV. If this doesn`t work use pvchange –a n /dev/dsk/cxtxdx to stop I/Os to the PV....
SSH Public Keys do not work Q: I am trying to make a public key allow password-less logins. I have added the public key to the authorized_keys file but ssh still asks for a password. A. The most common problem that causes public keys to...
To audit user creation and modification (via sam, chfn, chsh, usermod, useradd, userdel), the following should work very well. This was tested on HP-UX 11.31. This does NOT require the new Auditing System Extensions bundle available for HP-UX 11.31. This relies on the 'self-auditing' functions,...