Weblogs for sebastian

Posted by sebastian on Tue 27 Nov 2007 at 21:38
Tags: none.

Nice to see this poll on de D-A website. I am currently involved in a application selection for network and server management and monitoring systems.

It's not easy to select the right tool for the right job!

 

Posted by sebastian on Sat 23 Sep 2006 at 21:59
Tags: none.
Today I deleted some file's I wasn't suppose to delete from a EXT3 partition :s. I'm trying hard to recover the files but have no real results.

Does anyone has some tips for me?

Thnx!

 

Posted by sebastian on Mon 14 Aug 2006 at 13:16
Tags: none.
I'm searching for a nice solution for load-balancing a web-server on a single IP address.

Does anybody have a good idea?

 

Posted by sebastian on Mon 27 Mar 2006 at 13:03
Tags: none.
Why is 2 GB of RAM nog default supported in the default 2.6 kernel of Debian Sarge. Now i've installed a server with 2.6 in stead of the 2.4 kernel we use by default and STILL I don't get more memory then 1 GB.

Does somebody know why?
Thnx! Sebastian Broekhoven

 

Posted by sebastian on Thu 2 Feb 2006 at 00:24
Tags: none.

This would be a nice Debian server :)

It's a Dell PowerEdge 2850 with 2 Dell PowerVaults on it, filled with (16) 300 GB disks.File Server

 

Posted by sebastian on Mon 30 Jan 2006 at 15:11
Tags: none.
I was running low on memory in a server. There was 1 gig in the server with Debian GNU/Linux with a 2.4 kernel.

So i removed the old memory and put 4 new gig back in the system.

After the reboot... there was stil 1 gig memory that i could see in Debian. Is there a memory limit in this kernel?

Details:
Debian GNU/Linux, sarge, 2.4.27-1-386

 

Posted by sebastian on Fri 4 Nov 2005 at 14:36
Tags: none.

In my new laptop there is an Intel Centrino Mobile processor.

On my Linux system it's working in userspace (800 Mhz) by default.

With the following command I can change the speed of the processor to the highest level:

cpufreq-selector --governor performance

These are the other options you can use with it:

  • userspace (800 MHz)
  • powersave (600 Mhz)
  • performance (100%)

 

Posted by sebastian on Thu 20 Oct 2005 at 15:48
Tags: none.
I was just wondering is somebody has a good reason for NOT compiling applications such as Apache and PHP ourselves.

I don't really like to wait on a new release of Apache for the Debian developers. If there is a new release I want to install it almost immediately.

So why should I wait for de Debain update that I can install with apt-get?

Yesterday I've installed MailScanner, SpamAssassin and ClamAV by hand on a new mailserver. It was a little bit more work, but now I use te latest releases.

I shall post my install notes later. It was an install on a clean / fresh Debian Etch server.

 

Posted by sebastian on Wed 12 Oct 2005 at 21:56
Tags: none.

Today I've installed a Debian Sarge server on a HP Proliant DL 360 for monitoring purpose. On the Debian Sarge server in installed several tools like:

  • Smokeping
  • Nagios
  • Cacti
  • NTOP (for sflow)
  • Nessus (a security scanner)

I didn't configure all of the tools but I like the graphs that that they are already giving.

Are ther users that know more tools that I can use to monitor networks/servers? I did like Gangila but I didn't have time to install it yet.

 

Posted by sebastian on Sun 9 Oct 2005 at 10:36
Tags: none.
Today is the day that I will install Debian on my Dell Inspiron. I've experimented with Debian Sarge, Ubuntu and Suse first. With Ubuntu and Suse everything worked at once. With Debian not everything. But i'm gonna work on that today. Everything HAS to work when i'm finished.

The only thing that i'm thinkink of is witch Debian i'm going to use. Sarge of Etch. On my Workstation i'm using Debian Etch and that works great!

 

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