Category: "Work"

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 »

Æ Ø Å 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 æ ø or å character generated on a non UTF-8 character set. 'file-name-with-æ-in-it' contains one or more unrecognised characters and i… more »

Bioinformatician / system administrator Job

June 4th, 2010
I'm looking for a new colleague. Here is my informal version: You are an evil BOFH. Unix/Linux guy (M/F), goes without saying. Or a Mad Scientist who laugh in the face of danger. Or someone who run 5 km in 20 minutes. Or a good coffee… 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 »

Rod i Rocken i Skælskør 2009

June 8th, 2009
Årets første festival for undertegnede var Rod i Rocken i Skælskør 6. juni 2009. Småkoldt men tørvejr. Bussen kørte forbi flere håbefulde unge mennesker fordi den var propfyldt allerede fra Slagelse. Lidt ringe at man ikke kan sætte en ekstra… 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 æøå, 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 »

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 »

My first iSCSI steps

November 22nd, 2008
So a month ago or so I convinced the boss and the group with the storage need (and money) to go iSCSI, because it would be fun to try, easy to move, had certain nice expansion facilities and i/o speed was not really an issue for this device as much as… more »

Promise VTrak m610i 16-drive RAID iscsi 3u

November 19th, 2008
New toy: 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 »

We might not have a large hadron collider...

October 16th, 2008
... but we have pretty cool stuff, too 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 »

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 »

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 »

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 »

Getting John the ripper to run with LDAP SSHA passwords

August 26th, 2008
To get john the ripper to run on an ordinary shadow file, I just ran apt-get install john and then john /etc/shadow To get it to run on ldap passwords with SSHA: Make script to extract passwords from ldap: #!/usr/bin/perl # This scr… more »

MRTG performance with rrdtool and fastcgi

July 29th, 2008
Update on MRTG on HP switches: I had some performance issues with MRTG when I started running it on all 56 switches, which I more or less resolved with rrdtools and fast-cgi: more »

Fun with SNMP on HP switches

July 20th, 2008
MRTG stuff: Getting VLAN: Is the port up?$port Getting Mac addresses assigned to ports:$port more »

319001 or 319000

May 3rd, 2008
Today I finally got the right converters for my CM Opengear Serial Console Server. This is the difference: Wrong: Right: So the deal is: Add something to /… more »

Sun Java in Firefox on Fedora 8

April 3rd, 2008
OK This guy found the solution to get Sun java running in Firefox on Fedora 8: The trick is: sed -i 's/XINERAMA/FAKEEXTN/g' /usr/java/jre1.6.0_03/lib/i386/xawt/libmaw… more »

Never Fujitsu-Siemens again

March 10th, 2008
Chapter one, Monday So I came in one innocent looking Monday morning and found that my boss had left his laptop at my desk with a note on it: "Could you please send this to repair while I am away on holiday. The extra battery/dvd drive wont come out"… more »

Forward via exchange: Status: 4.4.7

February 19th, 2008
Problem: Mail sent from pine to an exchange handled address which is exchange auto forwarded to f.ex. gmail (or other) fails with status 4.4.7. On top of that it waits for an hour before it tries to contact gmail's MX again (gmail is an example, same… more »

Projector with T60, mark III

February 8th, 2008
Now I have the projector working with Linux the way I want to. Section "ServerLayout"   Identifier   "Default Layout"   Screen     "Screen1"   InputDevice   "Mouse0"   "CorePointer"   InputD… more »

Java in Firefox on Fedora 8

February 6th, 2008
Java plugin in Firefox has worked a long time with this procedure: Install java from sun cd /usr/lib/firefox-xx/plugins ln -s /usr/java/jdk-xx/jre/plugin/i386/ns7/ . Not anymore. In Firefox (and on Fedor… more »

KDE logout black screen with ATI Radeon HD 2400 XT graphics card

January 10th, 2008
I had a weird problem due to being really stupid so I thought I would share it, in case someone out there is just as stupid as I was :) Running a home built kernel 2.6.19 on a Dell optiplex 755 (see earlier post about network and sata), I needed to g… more »

CM Opengear Serial Console Server

January 9th, 2008
weee \\o/ - I finally got a network gadget where someone seems to have got it right. I just received my CM4116 console server:… more »

Updating Dell firmware requires Windows

November 6th, 2007
Today I had to boot a Windows laptop to be able to create a bootable CD with firmware upgrades for the disks in one of my Dell MD1000s since they have a firmware revision that justs sends them offline sometimes.… more »

Getting FAI to work with new Intel 82566DM card and SATA

October 30th, 2007
I finally got my optiplex 755's to install Debian Etch with FAI (Fully Automactic Installation): more »


October 9th, 2007
Spent the last 4 days - other appointments excepted - to get my FAI automatic debian installation to work again. It has worked fine but then I upgraded the kernel and silly me rebuilt the nfsroot and I should never have done that. What happened was t… more »

Projector with T60, mark II

June 14th, 2007
I played with the projector again. This time I got closer to a good solution - at least a good solution to me. This solution is setting up the projector as a secondary independent screen. 1) Edit xorg.conf: Section "ServerLayout"  … more »

Using a projector with Linux on Lenovo T60

May 12th, 2007
In the old days you connected the projector/beamer to the external VGA connector, pressed Fn+F7, tried to get the resolution right and usually it worked more or less. Or it didn't, and you gave up. The basic idea was, you got a signal out on the VGA… more »

Monitoring RAID disks PERC 5/i and PERC 5/E

May 3rd, 2007
A simple script checking the status of my RAID disks using the MegaCli tool for Linux from LSI's webpage: The script #!/bin/sh CONT="a0… more »

Linux samba server stepping on it's own toes to become domain master

March 27th, 2007
I don't usually fight with Windows and neither does most of my users, so it has actually taken a month after changing my file server before I found out that I could not add a Windows client to the domain: WINS server at IP bla.bla.bla.bla rejected our… more »

Fixing mailman URL

February 23rd, 2007
Somehow, one of our mailing lists had got https in all it's URLs instead of http. Fixing it: First edit /usr/lib/mailman/Mailman/ and make sure that DEFAULT_URL_PATTERN is set correct. Then run /usr/lib/mailman/bin/mailmanctl restart to set… more »

Nagios niceness

February 6th, 2007
After running nagios for a long time I suddenly got errors on all my PING checks: CRITICAL - Plugin timed out after 10 seconds Or sometimes CRITICAL - Could not interpret output from ping command It took me quite a while to figure out what was going on.… more »

NFS hangs on mount

January 22nd, 2007
Today I set up NFS over TCP. Here are two nice guides: And here is mine (Debian/Ubuntu): On server: Make portmap use specific ports instead of random… more »

Replacing a running LDAPS SSL certificate

January 18th, 2007
Sometimes even one's cute little self signed SSL certificates expires. And people are using it to log in to their workstations with ldaps. Fortunately I noticed it a few days in advance, not after the fact. So we make a new certificate with the… more »

Gcc on AMD64

January 15th, 2007
This error: /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory while compiling with gcc on our new AMD64 box turned out to be something really simple: A 32bit gcc on a network drive was earlier in the path than the native… more »

LDAPS with a self signed certificat

January 11th, 2007
Today I got LDAPS to work. Sort of. Haven't got a clue about the schema and access stuff but fortunately I have a working server to copy from ;-) Getting to see the content of a certificate:… more »

Ubuntu Device Hell

January 10th, 2007
Regarding yesterday's post, it was the Cisco firewall. ASA version 7.2(2) with SMTP inspection enabled. When they disabled SMTP inspection my queued gmail was delivered nicely. I wonder what else they filter for in their "pass through" setup? Today I… more »

Living behind a Cisco Firewall

January 9th, 2007
So, one of my users complained that forwarding to his gmail wasn't working. Gee, he was right :-( conversation with[] timed out while sending end of data -- message may be sent more than once This happens for… more »