Julien Valroff's weblog and personal homepage
Posts tagged Planet Debian
IPv6: Miredo link to HE Tunnel endpoint
Jan 17th
As announced a few weeks ago, my website should now be accessible through IPv6. The connectivity is made thanks to Hurricane Electric IPv6 tunnel service as recommended on Linode wiki.
At home, I use Miredo, an open-source Teredo IPv6 tunneling software for GNU/Linux and BSD. This works great with many websites. I can ping6 servers I know, like ipv6.google.com or www.debian-administration.org.
However, I cannot ping6 my Linode server until I have established a link from the linode to home. But after a while (a quarter or so), the link is dead, and I have to ping my home address again from the linode to make it alive.
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Counting Debian source packages
Jan 17th
Following to Kushal’s post about counting total number of Debian packages, he concluded that sid currently has more than 30,000 binary packages (free, contrib & non-free).
IMHO it is more relevant to count source packages. I couldn’t find any existing way of doing it, I have hence written a short bash script.
DSPAM-Community – first RC: call for testing
Jan 6th
I was happy to receive Dov Zamir’s email announcing the creation of a fork of the DSPAM anti-spam filter, called dspam-community.
I have been using DSPAM for a while now, and am very happy with it, but was quite anxious that the project is left out by Sensory Networks (the company took over DSPAM in May 2007).
I give all my confidence in the fork as the original author, Jonathan Zdziarski, is part of the new development team!
I have prepared EXPERIMENTAL packages of the first RC of DSPAM-Community.
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IPv6 available on this site
Dec 24th
Thanks to a recent article published on debian-administration.org, I have managed to get an IPv6 connectivity at home, and have hence decided to make this website available through IPv6.
I have used Hurricane Electric IPv6 tunnel service as recommended on Linode wiki, and everything seems to be working.
This was a really simple process (both at home and on my Linode!).
The AAAA DNS records have been set up.
While the propagation is being processed, you can still test using the IP 2001:470:1f06:ccf::2 (I now really understand why DNS have been created!). You can use ping6 or telnet -6 or even use your browser.
While browsing www.kirya.net using IPv6, you should get a message in the header (just below the links to RSS feeds) confirming your request have been served using IPv6.
Note that I haven’t yet set up all Apache virtual hosts to answer on IPv6, which might lead to some web pages being redirected to the defaut vhost. More over, the HTTP server will only answer to IPv6 request on port 80 (no SSL at the moment).
Laptop as desktop computer replacement
Nov 2nd
I am currently studying the possibility to change my current desktop computer for a laptop. This is the first time I am looking at these powerful laptops, as I now only use cheap laptops for small office use (email, web etc.) when traveling.
My aim is now to use a laptop for my daily tasks: picture editing, small development, multimedia etc.
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Ubuntu 8.10 as a guest in VirtualBox
Oct 27th
Though I only use Debian on all my machines, I like playing with new Ubuntu releases, just in case I have to set it up on someone else’s machine. I use VirtualBox for testing.
When trying the upcoming new Ubuntu 8.10 release, and after installing the VirtualBox clients on the guest, I had the following issues: More >
USB card reader and USB power management
Jun 1st
I have received a brand new USB card reader.
At first sight, everything was working well “out of the box”, but when I have checked the log files, I could see the following lines repeated very frequently:
Jun 1 08:22:08 athyr kernel: [ 1412.134045] usb 6-2: reset high speed USB device using ehci_hcd and address 3
I repeat everything seems to work OK, but I can’t stand this kind of messages, especially when it deals with storage (by experience, everything works well during the tests, you simply ignore error messages, and you loose your data the first time you really use your hardware!).
How to fix DNS zone serial numbers
May 24th
A small memo in case it happens again… Maybe this can also help others…
I have made a typing error when incrementing a zone serial number this morning (I thought we were in year 2009!). I realized this error after the transfer was made to my secondary server, and I couldn’t figure out how I could fix this: if the serial number on the slave server is lower than the serial number on the master, the slave server will attempt to update its copy of the zone.
I have read some websites explaining one should add 2147483647 (2^31-1) to the number, reload the zone, let the slave get updated and revert to the appropriate serial number.
Unfortunately, this solution hasn’t worked for me.
I have read in RFC 1912 (section 2.2 – SOA records), that the system was planned until year 4294. I have henced updated the number of my master server to year 4294123199 (ie. the last possible serial number), reloaded the zone. After the transfer was propagated to the slave, I could simply revert to a standard serial number.
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