Category: "Tech"

ixgbe failed to load because an unsupported SFP+ module type was detected

March 4th, 2015
Setup: Intel X520-DA2 10Gbit sfp+ with a transceiver with a fiber cable in one of the interfaces. Debian Wheezy. Dell Poweredge R620. Problem: The interface does not come up and dmesg / syslog says: ixgbe 0000:05:00.0: failed to load because an… more »

Changing password for ldap users with passwd command as root on ldap server in wheezy

February 19th, 2015
Problem: After upgrading terribly old ldap server from libpam-ldap and libnss-ldap to libpam-ldapd and libnss-ldapd (nslcd), the passwd command locally on the ldap server did not work for root setting an ldap user's password anymore. Google bait:… more »

Bnx2 firmware with new kernels on Debian squeeze

October 9th, 2012
Keyword: bnx2-mips-09-6.2.1b.fw Problem This error message occurs when trying to run mkinitramfs for any kernel newer than 3.04: Possible missing firmware /lib/firmware/bnx2/bnx2-mips-06-6.2.3.fw for module bnx2 Possible missing firmware… more »

Dell iDrac 7 will not launch virtual console on Mac

August 9th, 2012
Dell iDrac 7 will not launch virtual console on Mac Problem: Virtual Console will not launch from within iDrac7. Error message: Connection Failed. Prerequisite: You are already able to log in to idrac itself and thus have a browser with a version… more »

Virtualization with proxmox

August 18th, 2011
This year I got to work with virtualization for real for the first time. Hardware and purpose We have bought a Dell PE R710 with 2 Intel Xeon E5640 (4 HT cores each) and 64 GB RAM. It is to be used for a database server, a file server and some e… more »

Neatx is the new black 2

April 1st, 2011
Neatx on squeeze, the cheat sheet: Install dependencies: aptitude install python-pexpect python-simplejson autoconf automake python-docutils xauth netcat python-gtk2 python-gobject gcc x11-xserver-utils make xutils-dev xserver-xorg-dev xorg-dev… more »

Assp and postfix and saslauthd

November 9th, 2010
What I had: Assp proxy in front on host fw. Postfix on internal server called fs, assp talking to it on port 25 (listenPort:=25,smtpDestination:= Assp server serving as plain smtp from inside and as incoming mail server, using… more »


June 25th, 2010
Last fall I bought my first UPS'es for the sequencing centre. Two rack mountable 3000VA 2u for the servers, 2 tower 3000VA for the sequencing machine and one tower 2200VA for the cluster station. All from APC. The 3 tower based ones were requireme… more »

charset problem in Tivoli client

June 8th, 2010
Problem: Tivoli client on Linux gives me this error message in the logs when it comes across a file with a Danish or character generated on a non UTF-8 character set. 'file-name-with--in-it' contains one or more unrecognised characters and i… more »

TDC Huawei E180 tiny hack

November 11th, 2009
To get the Huawei E180 3 modem provided by TDC to work on Ubuntu, one needs to get rid of the airprime module. In /etc/modprobe.d/blacklist, add: blacklist airprime The APN is "internet" so wvdial.conf becomes: [Dialer tdcpin] Modem = /dev/… more »

RAID monitoring on Sun servers

November 10th, 2009
Very brief blog post (but > 140 characters...) After buying Sun server and realizing that they are NOT using LSI RAID controllers and MegaCli will not work, do not despair. Yes it is Adaptec. Or a Sun-ified Adaptec called Storagetek, whatever.… more »

Firmware upgrade Perc6/e on unsupported Linux

October 20th, 2009
My Dell support man said I had to upgrade the firmware on my perc6/e controller just to make sure that old firmware was not the reason it threw disks offline. And he sent me this link:… more »

Neatx is the new black

September 1st, 2009
Needing a Gui remote login for the students When I started working here at BINF, we were located in an old building and we had our entirely own rather primitive network. But the classrooms and our servers were on the same net - our net. And when our te… more »

The tale of the working fax

May 31st, 2009
Update on fax story: So my vendor at last did offer to help me. Not that it was much help in the end, but at least I appreciate the effort. They told me I could buy a 6-7000 kr. Minolta color laser printer and then if the fax would not work, I co… more »

Help! (Fax Hell)

May 11th, 2009
We used to have an old HP Officejet 7410 All-in-one which used to work as the boss' private printer, scanner and the department's fax. Since the sheet feeder is broken, we bought him a HP OfficeJet Pro L7580 in september 2007. We never should have do… more »

64 bit version of r-base-core_2.9.0-1~lennycran

April 21st, 2009
Built this, in case anyone else needs it: Use on your own risk, I am probably breaking every rule on package maintenance. I tried to use the cran repository on new L… more »

Yum error on Redhat Enterprise 5 (rhel5)

February 16th, 2009
[root@whatever ~]# yum list yum-rhn-plugin Traceback (most recent call last): File "/usr/bin/yum", line 28, in ? import yummain File "/usr/share/yum-cli/", line 29, in ? from yum import _ ImportError: cannot import name _… more »

Xorg on openSuSE on certain ES1000 ATI card on HP server

February 11th, 2009
I ought to blog about this, too, but I don't have all the details anymore. I was asked to fix X on an HP server running OpenSuSE. It has an ATI ES1000 card of some sort. I should have the output of lspci for you but I don't, I was in a hurry, it's not… more »


February 9th, 2009
Arrived Friday, met pusling on the plane but separated at Gare du Nord. Went on to Gare Centrale and dropped right into a chocolate shop and forgot which direction I came from :) Walked to b&b. They have room for one guest ... which is 4 rooms in… more »

Printing nice UTF-8 from alpine

January 28th, 2009
I was tired of getting weird looking a2ps attempts of printing , the Danish special characters, after I went UTF-8 about a year ago. a2ps does not support UTF-8 (and never will, I read somewhere). So after asking my friend google I found unipri… more »

Remember password in Alpine

January 20th, 2009
This I have been looking for before: In short: touch .pine-passfile and you will be prompted to save password (works for both imaps and smtps). I still have to press "enter" for smtps via tls si… more »

Upgrading firmware on Promise VTrak m610i

January 15th, 2009
Go to Read the Read me First file. Download the newest firmware. In my case v2.28: wget… more »

Promise VTrak m610i goes read only

January 15th, 2009
Bought cheap iSCSI device a few month ago. Too cheap, apparently. Promise VTrak m610i 16-drive RAID iscsi. I have seen this twice now: The volume goes read only. I can remount the file system ro but when I try to remount it again rw, mount says th… more »

TDC 3g with Ubuntu 8.10

January 14th, 2009
This is just to mention that TDC 3g works out of the box with Ubuntu 8.10 and Network Manager. Just enter the pin code and it runs happily! This is tested on a friend's laptop. more »

Tuning vm on 24 core 128 GB RAM machine (Debian etch)

January 5th, 2009
Problem: ls and writes to disk hangs for a long time, then suddenly executes. Feels a bit like NFS problems for the user except is is a local file system (Dell MD1000 Perc6e controller with 8 1TB SATA disks running RAID6). The file system is ext3 with… more »

Converting bblog posts to MT format and importing to b2evolution

January 4th, 2009
Quick and dirty guide to go from bbblog to b2evolution. Mostly manual. Export the posts from mysql: mysql -p -u root -e "select * from bB_posts order by postid" hanne > bb_posts.txt I am sure this can be done smarter, f.ex. the date can probabl… more »

mp3 from LP with Audacity

November 4th, 2008
I finally got around to find out how to get sound from my old LPs converted into mp3. Not perfect but quite good enough for a start. Next step is a better cable and then playing with the noise reduction feature… more »

24 core server arrival photos

October 30th, 2008

Pptp on Linux the manual way

October 30th, 2008
A few years ago I wrote a guide for myself describing how to get on the institute's vpn via ppttconfig on Linux. I never really understood what was so hard about it for other people until now... where pptpconfig has gone from all my Linux distributio… more »

24 core server

October 29th, 2008
First test results: (compare with the same test of 16 core servers above). more »

Net::SNMP returns inconsistent data type

October 24th, 2008
I am trying to get some Mac addresses from HP switches with perl's Net::SNMP module. It works fine most of the time, I get results of the form 0x0000747d2736. Except from in certain cases where I get stuff like ^@^@t}'6 instead. Which seems to be th… more »

Gpg signing for dummies

October 15th, 2008
Tonight I learned gpg key signing. Generate your key First you need to generate your own key: gpg --gen-key It asks you what kind of key to create, select the default no. 1. Then it asks you how many bits the key should be, if you select 409… more »

Projector and ipp on the Mac

October 13th, 2008
I gave up my package building project. It is easy to build a package but not a modified package that does what I wanted, which is including some preset preferences. And it is really not I who promised to do it, but the owner of the Mac. So I guess I'd… more »

Eee photos

October 8th, 2008
Photos of my beautiful new toy. Beautiful because it works, not because of how it looks :) Photos are taken on my phone and are not high quality. They are for illustrating the experience and not for looking good. The last photo is the best. The… more »

New Eee works! \o/

October 8th, 2008
Heeeee new Eee in my hand barely an hour ago. It works! I have worked on it for 15 minutes now and not one sign of unwanted sleep mode. I am writing this blog post from it. It is white! I don't mind, black was fine with me, so is white, but all my… more »

Mac reinstall

October 7th, 2008
I am reinstalling the Mac. I gave up on the broken package manager. I feel like I am back in the bad old Windows days :) Install a new program and it will screw up your dll's. Plan to reinstall once a month... Sorry Jordan. Mac is not as bad as Windows… more »

Eee progress

October 7th, 2008 has offered me to replace the Eee with a new one so I don't have to hate Asus support anymore \o/ So I'm going there tomorrow. Off course I have to see the new one actually working before I am happy but at least there seems to be ligh… more »

Creating a pkg package on Mac

October 7th, 2008
Open the PackageMaker in /Developer/Applications/Utilities Select "Assist me". I tried creating the package manually with "Single Package Project" but the PackageMaker crashed on me twice. It crashed when I was not even touching it but browsing on my L… more »

Asus eee 901 was a very short love affair

October 6th, 2008
I wanted an Asus Eee 901 pc and I couldn't get my usual vendor to take it home for me. So I did what I ought to have learned not to do: Bought it from a vendor with whom I have no previous experience of support, and with whom I am not a big and well… more »

3 mobile broadband on Linux (FC9), Denmark

October 2nd, 2008
Took some time and some frustrations because I am such a young person ;) My first Internet connection was a LAN connection, I never really owned a modem before so I don't speak AT commands fluently (yet). There are several ways to do this. In the end… more »

ipw3945 on Fedora Core 9 is now iwl3945

October 2nd, 2008
I upgraded my laptop to fc9 because I wanted to get 3 mobile broadband to run via network manager. That did not work out. Network Manager is broken I think, I got it to run more or less with wvdial. Blog post on that later, it doesn't quite work right… more »

Installing developers tools on Mac

October 2nd, 2008
I needed to be able to build a mpkg pakcage. I couldn't find any package manager or the like on Mac. So I googled. This was actually not simple to find out. At least not to my logic. I probably googled the wrong words... because I didn't know the na… more »

Installing LaTeX on the Mac

September 24th, 2008
First you need to get the LaTeX package. It is called MacTeX, is based on texlive and can be found here: There are other LaTeX distributions for Mac, and some editors and stuff if you want it. See here: http://mactex-wiki… more »

Installing OpenOffice on Mac OS X 10.5.4

September 19th, 2008
Ha! Who needs X11. Just install the native OpenOffice 3.0 Release candidate from in the usual Mac way. And it actually starts! No need for fancy installation guides, howto's or blog posts... Aaarrr! * *… more »

Installing X11 on Mac OS X 10.5.4

September 18th, 2008
Ok I got X11 to work. The Mac already had an X11 installed but nothing happened when I tried to start it, except from the icon flashing once. When I tried from the command line I got some messages in the terminal that it tried to start an xterm and… more »

Becoming root on your Mac

September 18th, 2008
I thought I was going to try to install X11, but I think I have spent quite enough time for today, just figuring out how to become root so I can update my locate database :) How to enable to root account:… more »

More Mac lessons learned

September 16th, 2008
Today I work on the Mac again. I tried to figure out how to place my terminal windows tiled when I open them. Instead I found out that in the preferences I can select "Delete sends Ctrl-H" which makes backspace work in my screen applications on remot… more »

Monitoring tivoli client with logwatch

September 14th, 2008
For once, a task that turned out to be simple. I wanted logwatch to report on my Tivoli client, which seems to be a non standard thing to do, but it was relatively easy to fix: Having bother… more »

Performance on 16 core box - AMD or Intel Xeon

September 13th, 2008
Someday I'll need to learn something about hardware. Like reading about new CPUs. Like understanding which questions to ask and what tests to run. Like actually finding it interesting. They keep making me buy the stuff ... and now I have to decide… more »

Eduroam on Mac OS X 10.5.4

September 9th, 2008
The last couple of days I really haven't done anything new with the Mac, since I needed to get some work done. Today, on my 7th day as a Mac user (didn't bring it home for the weekend...) I got around to do one of the things I actually needed a Mac f… more »

Mac user phase 2: Fight for supremacy

September 3rd, 2008
On my second day as a Mac user, I entered the staring contest phase. This will probably last for a couple of weeks, where I try to out-stare the mac while it tries to out-stare me, until I get used to the weird key combinations and get some of the basic… more »

My first day as a Mac user

September 2nd, 2008
Is is almost true to say that I have never touched a Mac before. I did once in the terminal room at a Nordu or bsd conference somewhere just after the first unix based MacOS came out. But I never really tried a Mac before. So today when I got to borr… more »