Archive for 2007

Kernel Tuning in HPUX – ulimits.

Kernel Tuning in HPUX – ulimits.

| December 8, 2007 | Reply

Every time I come across a ulimit issue, It takes 4 hours to figure out. So I’ve decided from this point forward I will document each one. Simple request came in… A DBA was trying to do an Oracle Upgrade on an HPUX box, and ran into an issue. The install was failing, and Oracle …

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Introduction to UNIX – Lesson II

Introduction to UNIX – Lesson II

| September 16, 2007 | Reply

As I touched upon in the previous lesson, UNIX is made up entirely of flat files. We learned how to move throughout the filesystem and list the files held therein. Every single part of the unix machine is a simple, editable text file. This makes it extremely vital for us to understand how to view, …

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Introduction to Unix – Lesson 1

Introduction to Unix – Lesson 1

| September 14, 2007 | Reply

The following is the first in a series of documents that I am drafting as an Introduction to UNIX for my coworkers. I will frequently post short lessons that build upon each other, until this becomes a giant collection and a complete unix tutorial. Introduction to UNIX. Lesson 1     The first thing about …

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Introduction to Unix – Lesson 1

Introduction to Unix – Lesson 1

| September 14, 2007 | Reply

The following is the first in a series of documents that I am drafting as an Introduction to UNIX for my coworkers. I will frequently post short lessons that build upon each other, until this becomes a giant collection and a complete unix tutorial. Introduction to UNIX. Lesson 1     The first thing about …

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(Very) Basic Networking Principals

(Very) Basic Networking Principals

| September 9, 2007 | Reply

Networking is arguably the most important aspect of our jobs. The one common thing between all interconnected computers, is the network. It is vital to all operations that Datacenter Operations have a firm grasp on basic networking principals. At the most basic level, we can compare a computer network to our own neighborhood. We have …

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Veritas/Symantec Netbackup Woes.

Veritas/Symantec Netbackup Woes.

| August 5, 2007 | Reply

This weekend a veritas disaster was dumped on me. This is how I deleted, and recreated entries for the library robot, and it’s drives.To be honest, I don’t even know what the original issue was, but for some reason, Sun was called out to replace a card in our StorageTek L40 tape library. The card …

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Veritas/Symantec Netbackup Woes.

Veritas/Symantec Netbackup Woes.

| August 5, 2007 | Reply

This weekend a veritas disaster was dumped on me. This is how I deleted, and recreated entries for the library robot, and it’s drives.To be honest, I don’t even know what the original issue was, but for some reason, Sun was called out to replace a card in our StorageTek L40 tape library. The card …

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Ego and the Sysadmin.

Ego and the Sysadmin.

| July 25, 2007 | Reply

I’m a reader of Ben Rockwood’s Blog.. And his recent entries about the life of the sysadmin have really got me thinking. He hits the nail on the head every time and I’ve decided to write a little about my own experience in the IT industry.First of all, I’m not trying to copy Ben at …

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xorg.conf for dual video cards, monitors, and tv out.

xorg.conf for dual video cards, monitors, and tv out.

| July 22, 2007 | Reply

I have an LCD for my primary display that runs compiz. I have a CRT too, that I use for mythtv.  And I have the TV OUT clone the CRT to my TV.  Here’s my xorg.conf. Section “ServerLayout”     Identifier     “Default Layout”     Screen         “Main Screen” 0 …

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Using the sc console on a solaris box.

Using the sc console on a solaris box.

| July 22, 2007 | Reply

The Sun Advanced Lights Out Manager (ALOM) console allows you to see console messages and diagnose issues beyond what may be logged at the OS level.   You get to the console from the rj45 port on the back of the server, and connect it to the serial port of a laptop. Then you can use …

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