Webmailer for the Thecus

Posted by coldtobi | 30 May, 2008, 09:53
Currently I am working on my "frostynas" NAS Framework for services I personally host on my Thecus NAS. And for that I need want a WebMailer frontend.

The candidated so far are
  • sqirrelmail (http://squirrelmai.org)
  • horde Webmail Project (http://www.horde.org/webmail/)
  • openwebmail (http://www.openwebmail.org/)
  • roundcube (http://www.roundcube.net/) 
Lets start with the decission finding.
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[Links] Version Control Systems -- Comparsions

Posted by coldtobi | 22 May, 2008, 11:55
For some of my personal data, I currently use CVS. But as this task also should go tho the Thecus, I was looking for something more mordern.

And, there are a lot of them, to many to take a look at them indivudually. Lucklily, other people did that already, so if you ara also in a simular situation -- choosing a new or replacment CVS System (or also called SCM, Configuration Managment ...)

Well, however you wanna call it, here are some links articles to check out:
The New Breed of Version Control Systems
Better SCM Initiative : Comparison
Version-Control Systems for Linux
(As far as I am through with that links, montone looks very promising as is currently my top candiate)
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Debian OpenSSL Issue on Arm[el] (Thecus, NSLU etc)?

Posted by coldtobi | 16 May, 2008, 18:43 By the way, the OpenSSL "issue" is also valid for the other debian ports, like the Thecus.

However, I read the quoted section from Metasploit

This will generate a new OpenSSH 1024-bit DSA key with the value of
getpid() always returning the number "1". We now have our first
pre-generated SSH key. If we continue this process for all PIDs up to
32,767 and then repeat it for 2048-bit RSA keys, we have covered the
valid key ranges for x86
systems running the buggy version of the OpenSSL library. With this key
set, we can compromise any user account that has a vulnerable key
listed in the authorized_keys file. This key set is also useful
for decrypting a previously-captured SSH session, if the SSH server was
using a vulnerable host key. Links to the pregenerated key sets for
1024-bit DSA and 2048-bit RSA keys (x86) are provided in the downloads section below.


the way, that the compiled list of compromised keys is only valid for a specific architecure. As ssh-vulnkey is using compiaring the keys against a blacklist, it might be a good idea to regenerate these keys. Even if I am wrong, it is better to be safe than sorry ;-)

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Thecus N2100: Testing a kernel prior flashing

Posted by coldtobi | 17 Apr, 2008, 23:56

Update July 2009: Please see here for addtional informations.

Occasionally there is a new kernel out for the Thecus N2100, debian flavoured.

And because of personal experience, it is good to test it before flashing it to the embedded flash.
In my case, I needed that one time, as the new kernel would not boot for whatever reason.
The trick is, that you can load the kernel into RAM and execute it from there.

Of course, you can also use it to "test" the Debian installer, before actually overwriting the original firmware.
(BTW, if you only want to test a newly created RAM disk, this is also like testing a kernel -- the RAM disk would
be also flashed, so you can test your modification without any risk, if you run the it "out of RAM"

As another benefit -- if you decided not to use debian but the stock firmware -- this might become handy if you need a
rescue system. Yes, you could use the debian installer also for a rescue enviroment, and as thecus is "only" using Linux,
there are not problems to be expected.

Last but not least, in the unlikely event that you didn't like the Debian experience you can upload the original firmware back into
the Thecus.

Enough talking, Lets get started!

(Please note, that I assume some Unix knowledge in this article. I do not advise Linux novices to install debian on their NAS. For completeness, if this screws it up, this is your problem not mine, as this is soley your responsibility.)

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Installing Debian on the Thecus N2100 -- PART 3 -- Installing Debian

Posted by coldtobi | 19 Feb, 2008, 01:21

Unfortuantly, the last time was very busy, so I simply did not find the time to continue with this HOWTO. Well, it is still tight, but today I want spend some minutes in completing at least the second part. Before I go forward learning phyton as I might have use for it in the NAS project...

Just  repeating my self, please note, that this VOIDS YOUR WARRANTY. So the usual disclaimer apply: You brick, you repair it. I do not recommend installing linux on the box, if you are not sure you can handle it. Linux requires more hand-on than the GUI -- you won't have a GUI anyway -- but on the other side, it reveals the real power.

Table of Contens

  1. Part 1: Get Prepared
  2. Part 2: Installing the Installer
  3. Part 3: Installing Debian I  (start the installer and configure RAID) -- this article
  4. Part 4: Installing Debian II
  5. Part 5: Fine tuning after the installation

 

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Installing Debian on the Thecus N2100 -- PART 2 -- Installing the Installer

Posted by coldtobi | 16 Feb, 2008, 20:03

Unfortunately, the last time was very busy, so I simply did not find the time to continue with this HOW-TO. Well, it is still tight, but today I want spend some minutes in completing at least the second part. Before I go forward learning python as I might have use for it in the NAS project...

Just  repeating my self, please note, that this VOIDS YOUR WARRANTY. So the usual disclaimer apply: You brick, you repair it. I do not recommend installing Linux on the box, if you are not sure you can handle it. Linux requires more hand-on than the GUI -- you won't have a GUI anyway -- but on the other side, it reveals the real power.

Table of Contents

  1. Part 1: Get Prepared
  2. Part 2: Installing the Installer (this article)
  3. Part 3: Installing Debian I (start the installer and configure RAID)
  4. Part 4: Installing Debian II
  5. Part 5: Fine tuning after the installation
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Installing Debian on the Thecus N2100 -- PART 1 -- Preparation for install

Posted by coldtobi | 2 Feb, 2008, 15:52

As you know, I bought myself a Thecus NAS 2100, with the intent to install debian on it and use it as an homer server solution.  This article -- or better articles -- will focus how to install debian on the box.

Please note, that this VOIDS YOUR WARRANTY, so the usual disclaimer applies: You brick it, you repair it. I do not recommend to install Linux on the box, if you are not sure you can handle it. Linux requires more hands-on than the GUI -- you won't have a GUI anyway -- but reveals the real power. With power comes responsibility.

The motivation why to install Linux lays on the hand: The Thecus is more a home server than "only" a NAS. Therefore my NAS will have to do some more duties than just to store data. Actually, all of them are related to "data storage", but not everything can be done with the "plain" firmware.

As an example, I am planning to use it as an dedicated backup server, a server hosting my mail system and of course as an multimedia server for streaming my music everywhere I want it, not bowing before the ITunes restrictions.

But as the services will surely adapt to my needs, I will focus on them later in dedicated articles.

Okay, lets get started after the "read more" line. (if you at the main page of my blog)

Table of Contens

  1. Part 1: Get Prepared (this article)
  2. Part 2: Installing the Installer.
  3. Part 3: Installing Debian I (start the installer and configure RAID)
  4. Part 4: Installing Debian II
  5. Part 5: Fine tuning after the installation
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