Category Archives: Operating System

Solaris Kernel Patching Recommended Patch

Here’s another Kernel patching of Solaris. I know there are tons of this type of post in the internet but another reference for the one who needs it, is I guess ok. To be honest, this is the steps that really made me understood the steps and procedure and the concept behind the 10_Recommended patch … Continue reading

KSH Script Basics | Special Shell Variables

Just deleted tons of stale, unsused user accounts. Here are some KSH shell basics and special shell variable. I need to Google them up myself to get reminded that ‘$?’ is the output variable for script execution. That is, it’s 0 for successful execution and 1 if there is any error.

getfacl and setfacl – Unix Access Control (acl) Tool

Today’s topic is all about Access List… For Unix and Unix-like system, the usual command to set the file permission is the ‘chmod’ command. However there are instances that we need more flexibility in giving access and control for files and folders. Get it? Access and Control? In this situation, there is a file utility … Continue reading

Unlock locked user account in HP-UX

I know nothing about HP UX (yeah, except SAM). That’s why, just now, when there’s a request to just make a trace route from an HPUX server to another server, I have to login and do execute the command. I couldn’t log in as my user id so i logged in as root instead from … Continue reading

Send Break on SPARC Enterprise T5120 – Send Break on ILOM

Send Break on SPARC Enterprise T5120 – well it for the T5000 series I guess, the newer ones. Or “Sending Break onan ILOM.. “->” = ILOM “sc>” = ALOM .. and since this particular server has the “->” prompt we’re using the ILOM. From ILOM to Solaris: -> start /SP/console From ALOM to Solaris: sc> … Continue reading

Building ZFS Mirrored File System Example

I’ve writted something about the Zeta file system before… It’s like some sort of an intro to the filesystem. This post will be the first of series of post in configuring ZFS on a test machine, a Sun-Fire-V240 running Solaris 10. # uname -a SunOS sedm3205 5.10 Generic_137111-04 sun4u sparc SUNW,Sun-Fire-V240 Anyhow, first topic will … Continue reading

Watch-Net and Watch-Net-All Diagnostics

This is the first post regarding the On-site training to make MNL SAs up to speed to support the company’s production servers. This week’s topic… building the server through Jumpstarting (yeah, solaris sparc servers). Watch-Net and Watch-Net-All Diagnostics The watch-net and watch-net-all diagnostics monitor Ethernet packets on the Ethernet interfaces connected to the system. Good … Continue reading

Configure Virtual Hosting in Apache Web Server

When we say or mention the word Web Server, the first thing that comes to our mind is Apache, right? (if you don’t then what are you doing here reading this? ) Apache is the most well known open source web server there is! Open source?? Make that the most wildly used webserver on the … Continue reading

All About Arlo Gilbert

Who in heaven is Arlo Gilbert? Yep, using ‘heaven’ is perfect for describing this man for he do sometimes tries to conquer heaven. He’s into planes you see. Anyway, you’re probably Googling about Arlo Gilbert as you read this post. Well, let me save you a few minutes and introduce you to Mr. Gilbert in … Continue reading

vi Search and Replace… The Basics, Dummy’s Reference

Yep, this is a dummy’s reference… I keep on forgetting the syntax so I might as well put it here for my own reference… vi is the one, if not the most popular text editor available for a System Administrator on a UNIX and UNIX-like machines. It has two modes, command and editor mode. Here … Continue reading