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  1. Re: How to list installed packages on a non-running system?

    UPDATE: This turns out to be a handy way of restoring other parts of the system, like listing out the installed Apache modules with apachectl, installed perl modules with instmodsh, and installed...
  2. Re: How to list installed packages on a non-running system?

    Thank you! It was a great idea. I hadn't considered using chroot.

    It worked excellently and just took a few seconds. It was much easier than trying to sort through /var/lib/apt/extended_states and...
  3. How to list installed packages on a non-running system?

    I have an Ubuntu 10.10 system that crashed due to file system corruption. I have several backups, but the most recent backups have the corrupted files. I cannot simply restore the backup and run from...
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    [ubuntu] Server install on RAID 1 / cryptsetup

    My current server is running 10.04 on an encrypted hard drive, which I installed with the Ubuntu Alternate install CD a few years ago. It has been running flawlessly, so I'm familiar with encrypted...
  5. [ubuntu] Re: Intermittent Extremely Slow Wired Ethernet

    Thank you for the suggestions.

    The problem appeared since the board was new. It has only been running a few months now, so the board is still pretty clean.

    If it were a hardware problem,...
  6. [ubuntu] Intermittent Extremely Slow Wired Ethernet

    I have a desktop computer with a Gigabyte GA-G41M-Combo motherboard. It has an Atheros AR8151 onboard LAN (10/100/1000 MBit), and I'm running Ubuntu 10.10.

    I have an unusual problem that is...
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    [all variants] Re: Equivalent of Apple's Time Machine?

    Just an update: After much searching, it looks like the command-line utility rdiff-backup will do what I need. It keeps track of file deletions and makes a true incremental backup that can be...
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    [all variants] Equivalent of Apple's Time Machine?

    Is there an equivalent of Apple's time machine available on Linux?

    I have found some packages such as BackInTime, TimeVault, and FlyBack, but all seem to just be fancy graphical interfaces for ...
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    [all variants] Re: How to configure emacs

    Thanks! Tramp mode works like a charm. It is the easiest thing for maintaining a remote site.

    By the way, I downloaded the modes that you mentioned, but things like css-mode don't work on emacs 21...
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    [all variants] How to configure emacs

    I just finished developing a website on Ubuntu 10.10 with apache 2/mysql 5.1/php 5.3. In order to go live, I purchased a VPS system running CentOS 5.5 and uploaded the files there.

    Everything...
  11. [all variants] Re: Using DKMS to automagically build rr26xx after kernel update

    I had precisely the same problem. Thank you to rumblpak for the information about fixing the Makefile.def file. For me, the following worked. (You have to start from the director where you extracted...
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    [ubuntu] Re: How to test truecrypt security?

    Yes it is completely trivial. You just need basic programming knowledge, an understanding of the algorithms involved, and a lot of patience. Oh and perhaps a source of heat to keep warm after the Sun...
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    [gnome] Re: Unexpected reboot

    Sorry, I should have mentioned that two machines are connected to the same power strip. The other one is still running.

    Here's the uptime on the other machine on the same

    12:05:46 up 19 days,...
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    [gnome] Unexpected reboot

    When I came in this morning, I found out that my Ubuntu machine had unexpectedly rebooted at around 3:15 am. I looked at both /var/log/syslog and /var/log/kern.log, and nothing unexpected is there....
  15. [all variants] Re: Copying Lots and Lots of data (and preserviing emblems)

    Since nobody indicated that they had done benchmarking, I ran my own tests. Here are the results for those who are interested:
    nfs: 37 MB/s
    rsync via ssh: 22 MB/s
    rsync via daemon:...
  16. [all variants] Copying Lots and Lots of data (and preserving emblems)

    I am currently in the process of moving around 20TB of data from one server to another. Security is not a concern, since the data are freely available to anyone on our network anyway. There are a...
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    [all variants] Re: Creating Really Big Volumes & Backups

    I kind of do care for the 20TB data, even if they're just ones and zeros. Furthermore, some types of bugs such as a slow data corruption would be devastating, since I may end up backing up corrupted...
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    [all variants] Re: Creating Really Big Volumes & Backups

    Yes, I am using 64-bit Ubuntu.

    Thanks! I'll look into the multi-volume feature of tar.
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    [all variants] Creating Really Big Volumes & Backups

    First Question:

    I have a very big volume (20+TB). When I try formatting it as ext4, I get the error message:

    I understand that ext4 has a limit of 1EB (about a million terabytes), but a 32-bit...
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    [all variants] Do I really need a swap file/partition?

    On my first Ubuntu Installation, I had a 512MB of memory with a 512-MB swap partition.
    Then I had 1 GB of memory with a 1-GB swap partition.
    Then I had 4 GB of memory with a 4-GB swap partition....
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    [all variants] Installing on Revodrive

    There's a new drive that combines 2 SSDs in a RAID 0 configuration and comes as a PCI-Ex x4 card:...
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    [all variants] Re: Periodic freezes

    Maybe I'll rephrase my question:

    Has anyone had periodic freezes where the computer is unresponsive for a few seconds up to a minute or two, possibly when the swap space is getting increasing or...
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    [all variants] Re: Periodic freezes

    I'm bumping this thread, since the problem is still occurring. During a recent freeze, when top came back to life, it showed the load average around 120. This seems extremely high, since it typically...
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    [all variants] Periodic freezes

    Every so often, my Ubuntu machine freezes completely: the mouse refuses to move, the keyboard is unresponsive, and a "top" running on a terminal stops updating. The freeze lasts 10-120 seconds, after...
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    [ubuntu] Re: Wait for gnome-terminal to complete

    Thank you. Your example script is exactly what I needed. The key items in it that I learned are:

    (1) You can export a function from the parent script to the gnome terminal with "export -f".
    ...
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