Atheros has been acquired by Qualcomm, so currently the drivers for Atheros AR81xx and Lx network devices can be downloaded from Qualcomm Atheros corporate customer portal:
(these URLs seem to be interchangeable).
2013-01-25
HOWTO: make Jigdo use local APT cache
If you like to build Debian install CD images with Jigdo (i. e., with
To make it easily selectable from the Jigdo interface, make sure to add the following line to the
BTW:
References:
jigdo-lite), you may consider using packages from your local APT cache to save some network traffic.To make it easily selectable from the Jigdo interface, make sure to add the following line to the
~/.jigdo-lite config file:scanMenu='/var/cache/apt/archives/ /media/cdrom/'/var/cache/apt/archives is a local APT cache directory (containing already downloaded DEB packages); /media/cdrom is a standard CD mount point, so you can reuse the files from the mounted CD image you've previously generated with Jigdo.References:
2013-01-15
FTP search engines: quick list
Usually, the conventional WWW (World Wide Web) search engines can do the Internet search job well, but sometimes (e. g., if you are looking for some particular file name) FTP search, cataloging & indexing engines can be of great help.
Here is a quick list of such sites.
Here is a quick list of such sites.
- Мамонт (in Russian) / Mamont FTP Search Engine (in English) [BTW, "мамонт" means "mammoth" in Russian]
- Gegereka - Internet file search
- Proisk (in Russian & English)
- FileSearch.ru (in Russian) / FileSearching.com (in English)
- NAPALM FTP Indexer
- FileWatcher File Search
- FreewareWeb - FTP Search
- Oth Net Search
- Krasfs (in Russian)
- MetaBot.ru (in Russian)
- ...
2013-01-14
Free & open source data encryption software: quick list
Here is a quick list of free & open source on-the-fly filesystem (FS) encryption software.
Last updated: 2014-06-19
- Entire disk / volume / partition encryption & "virtual disk" (container file)-based software:
- LUKS / dm-crypt [Linux (FS driver is implemented at kernel level); encrypted volumes are supported by FreeOTFE in MS Windows];
- FreeOTFE [MS Windows];
- DiskCryptor [MS Windows];
TrueCrypt [MS Windows, Mac OS X, Linux](discontinued in 2014-05).
- File-level encryption tools:
Last updated: 2014-06-19
2013-01-06
HOWTO: stress-test a USB flash drive for bad blocks in Linux
Once upon a time you may like to test your USB flash drive [or maybe a SATA HDD, who knows] for bad blocks.
First of all, backup all the data stored on the target drive;
then you should unmount any mounted partitions located on that drive:
Then you can begin the tests (CAUTION: these tests will destroy all the stored data on the tested drive).
You can use
or with pseudorandom data:
and it will stop unexpectedly on a bad block.
And there's also a little more handy utility called
It will sequentially fill the entire
References:
First of all, backup all the data stored on the target drive;
then you should unmount any mounted partitions located on that drive:
# umount /dev/sdz1You can use
dd utility to fill the drive with zeros:# dd if=/dev/zero of=/dev/sdz# dd if=/dev/urandom of=/dev/sdzAnd there's also a little more handy utility called
badblocks:# badblocks -wso /tmp/badblocks.log /dev/sdz/dev/sdz device with some patterns (0xAA, 0x55, 0xFF, 0x00), then read and compare the read data with an actual pattern. A list of bad blocks will be written to /tmp/badblocks.log file.References:
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