Archive for February, 2016
Here's an example of a clean prompt for use in AIX in a mixed-environment setup: PS1="[ $(uname) $(whoami)@${HOSTNAME}:\$PWD ] " export PS1 set -o vi Looks like this: [ AIX root@mdsnim01 : guest ] Cheers, TK REF: Softpanorama KSH Substitutions
February 29th, 2016 | Posted in NIX Posts | No Comments
If you've just installed AIX from CD, there is no SSH / SSL. Getting and compiling one from the web proved to be challenging. Here's the steps to do so: mount -V cdrfs -o ro /dev/cd0 /cdrw cd /cdrw/installp/ppc smit installp Install Software * INPUT device / directory for software […]
February 29th, 2016 | Posted in NIX Posts | No Comments
This is a set of running notes on configuring a Cisco 3750G POE Switch. It's very very messy and is meant for me to remember the ins and outs of doing this. Along the way, it could help someone else too. First use a console connection to your switch. The console is unaffected by what […]
February 28th, 2016 | Posted in NIX Posts | No Comments
When I saw Failed to recv data from socket. from my VNC client and Network error: Software caused connection abort I immediately ran an arp scan to check for duplicate IP's:
February 28th, 2016 | Posted in NIX Posts | No Comments
Recently I got the following at boot time of my RHEL clone (Scientific Linux 6.7), There are differences between boot sector and its backup, after which I was dumped into the maintenance console asked to type a password for maintenance and perform brain surgery. Naturally I wondered if my recent attempts to create a bootable UEFI […]
February 16th, 2016 | Posted in NIX Posts | No Comments
I've destroyed quite a few disks because the Linux kernel randomizes their mount points at each startup. So writing persistent mount rules using /etc/fstab is pointless because you never know where each one will be mounted after repeat reboots. We can achieve this in a different manner by using the following logic to determine their […]
February 15th, 2016 | Posted in NIX Posts | No Comments
Here we will go over the steps of creating a DOS bootable flash disk for use for updating firmware on controllers and on motherboards. Keep in mind for UEFI installed systems, the preference is to use UEFI USB flash disks that is out of scope of this post. We will do this by demonstrating two […]
February 14th, 2016 | Posted in NIX Posts | No Comments
How to get connected to an old Power5 IBM server (9133-55A) using a null modem and a serial-to-usb RS-232 adapter cable. In this case we will be using Linux. First connect your cabling, null model to your Power5 and the RS-232 serial port to the null modem followed by plugging the USB end to a […]
February 13th, 2016 | Posted in NIX Posts | No Comments
RJ45 to DB9 console adapter wiring quick setup guide. First purchse a DB9 to RJ45 adapter as below. It will come looking like the one below. Looks harder then it is but it is designed to be made and remade hence why it's shipped this way. The pins plug in to the female terminator like USB […]
February 13th, 2016 | Posted in NIX Posts | No Comments