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  1. [ubuntu] Convert Dapper desktop edition to Server


    I am running Ubuntu 6.06.2 LTS (Dapper) on my server at the moment.

    When I installed the server, I used the regular desktop ISO but opted to install a server (i.e. no GUI).

    I noticed...
  2. [ubuntu] Re: WTF happened to my music folder??

    Did you even try fsck'ing the partition as suggested in the 3rd post of the thread? If it were just minor inode corruption, that would have probably fixed it.

    Hope you don't give up on other...
  3. [ubuntu] Re: WTF happened to my music folder??

    Check dmesg after you get the I/O error and look for any messages that might indicate hardware failure. Otherwise it is file system corruption. Image the drive then run fsck on the partition (you...
  4. Replies

    [ubuntu] Re: grsecurity

    grsecurity is not for the feint of heart. It is a kernel patch that requires compiling your own kernel and makes your system unsupportable. It requires thought and knowledge of the various...
  5. [ubuntu] Re: A question about the encrypted 'private' folder planned for Ibex

    Implementations like this assume or rely on the idea that any sensitive data is created and immediately saved into the encrypted file system. Otherwise you have the issue of data remenance on the...
  6. [all variants] Re: Counter-forensic software on Journaling FS: Ideas?

    That is perfectly reasonable; magnetic material does not lose its magnetic properties or state until heated to fairly high temperatures (its Curie point). My post didn't specifically mention...
  7. [all variants] Re: Counter-forensic software on Journaling FS: Ideas?

    I wouldn't say you're spreading crap; I've heard claims from those who seem to think there are companies out there that could recover data no matter how many times it has been overwritten.

    If this...
  8. [all variants] Re: Counter-forensic software on Journaling FS: Ideas?

    You haven't accounted for the following:

    Slack space in other blocks: If the file you are shredding has shrunk from its original size, or for a couple of other reasons (e.g. defragmentation),...
  9. Replies

    [ubuntu] Re: How to change MOTD?

    The file you want is /etc/motd.tail. /etc/motd seems to get overwritten by the contents of /etc/motd.tail, at least that's what I saw happening last time I tried to change the SSH banner.
  10. Replies

    [all variants] Dnsmasq and the DNS vulnerability

    USN-627-1 was an update for Dnsmasq for the DNS vulnerability discovered by Dan Kaminsky.

    I notice however that updated packages were only released for Ubuntu 8.04 LTS. I am running Ubuntu...
  11. Replies

    [all variants] Re: securely wiping data

    Don't forget HDDErase. It only writes zeros but it's extremely fast (as it is done by the drive's internal firmware) and it will wipe several areas that no software tool can reach, such as...
  12. Replies

    [ubuntu] Re: Server Power Consumption Management

    It is easily possible, but you rightly say it will measurably decrease the lifespan of the drive if you do it too often.

    A modern hard drive uses between 1 and 4 watts when it is idle. They are...
  13. Replies

    [ubuntu] Re: Ubuntu 6.06 server crashes randomly

    You might want to run memtest86+ to check for a RAM problem. Press Esc when you see the countdown from the GRUB loader, then select the memtest86 option.

    Leave it run for at least two hours and...
  14. Replies

    [ubuntu] Re: Instal ubuntu server with gui?

    I have a 366MHz server with 128MB RAM. It's headless, i.e. no monitor, mouse or keyboard, and doesn't have any X Server or GUI.

    I can SSH in, see a split screen view of everything I need to see...
  15. Replies

    [ubuntu] Re: Truecrypt and Thumbnails

    GNOME is chock full of information leakage. Recently used lists, thumbnail caches, the list is never-ending. A safe bet is to blank the file (or shred it and "touch" the file again) and remove...
  16. Replies

    [all variants] Re: password strength

    This is the best advice. Those passwords are easily memorable, and meet the criterium of being pseudo-randomly generated.

    You'd need to mix in some capitalisation and ideally a number and symbol...
  17. Replies

    [all variants] Re: Will disk encryption kill my drive?

    Encryption should not make your drive seek or write any more than it usually does, but even if it does, hard drives are engineered to run and operate constantly for years on end.

    If you're...
  18. [all variants] Re: How to securely deleteroot partition on remote machines?

    Wiping just the partition where the databases are would almost certainly not be a reliable erase. You would at minimum also need to wipe the swap partition(s). To have confidence, you should wipe...
  19. [other] Re: [SOLVED] Patching Apparmor and Grsecurity together, is it possible?

    PaX alone is the reason why Grsecurity provides more overall security than AppArmor. Also, Grsecurity has a superb RBAC system -- I don't have much experience with AppArmor but I can't imagine it...
  20. Replies

    [ubuntu] Re: Best DoD Eraser Utility?

    While I agree with all of your points, Gutmann's paper is irrelevant today. He (vaguely) described a purely theoretical attack that has never been publicly demonstrated and was written in the day...
  21. Replies

    [ubuntu] Re: Best DoD Eraser Utility?

    You're joking right? With a good amount of mouse and keyboard input, I got about 11 kilobytes of data from /dev/random in one hour. So, for a 50 gigabyte hard drive, that's about 543 years, and 30...
  22. Replies

    [ubuntu] Re: Best DoD Eraser Utility?

    I first heard a comment like that on Slashdot, and it made me smile, and is also completely true.

    For those who don't get it. If it is not possible to ever overwrite data on magnetic media, then...
  23. [ubuntu] Re: Is it possible to ask someone to hack my computer or is that out of the question?

    Just because you have a good firewall doesn't mean you won't get hacked. This isn't a Hollywood movie.

    People get rooted in Linux because they download whatever somebody tells them to and run...
  24. [ubuntu] Re: Entire system in read-only mode --can't login and I suspect virus...

    Run smartctl -a /dev/sda and post the output here. This will read the drive's SMART data, and it will tell us if the drive is obviously having hardware problems.

    There is no point running file...
  25. [ubuntu] Re: Entire system in read-only mode --can't login and I suspect virus...

    It's amazingly clear from those messages that your hard drive is dying. You don't have a virus.
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