tag:blogger.com,1999:blog-71793040411912595782024-11-01T12:15:03.613+03:00In this blog are being published some notes and solves, which are found in process of work, study and live in Debian GNU/Linux distribution and translated from Russian from <a href="http://mydebianblog.blogspot.com/">here</a>.virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.comBlogger19125tag:blogger.com,1999:blog-7179304041191259578.post-87401026949204833292008-05-31T21:19:00.002+04:002008-06-01T09:58:35.924+04:00

There were a lot of words were told about defragmentation of Linux filesystems. Summing them up, one can say: if fsck tells that fragmentation is below 10% then defrag is not necessary. But a few defragmentators for Linux were written. So let's discuss them.Search resultsA brief look at defragmentation tools for Linux is enough to find two utilites, a defrag and a shake. The defrag utility by

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-82485324642471432142008-03-31T21:49:00.001+04:002008-03-31T21:50:52.372+04:00

Nothing is perfect in this world, and even Linux sometimes crashes. But even then there is a connection with kernel - Magic SysRq Key.What is this?If you look to the keyboard then you see a strange key PrtSc / SysRq. Most people thinks that such key is for taking screenshots, but SysRq appeared on keyboards many years before Redmond behemoth.Using SysRq key it is possible to force a Linux system

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-68130357476526700492008-02-23T13:17:00.004+03:002008-02-23T13:51:05.172+03:00

In this post tweaking wireless card Intel PROWireless 2200 is described. It is a little bit tricky to get such card to work on Asus M5200AE notebook. But using latest extras from acpi4asus project, my wifi card works perfectly.Intel PRO/Wireless 2200Because this adapter is made by Intel, no problems should appear during installation of the drivers. It is required to download the firmware from

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com1tag:blogger.com,1999:blog-7179304041191259578.post-84151815421930915572008-02-10T19:26:00.000+03:002008-02-10T19:27:25.724+03:00

There are a lot of documents about the SSH, but in this post I want to tell about simple things. Let me explain some simple and obvious SSH tricks...How to install SSH in DebianFrom the Etch's release, packages for the SSH client and server are separated. Hence let's install SSH using command:# aptitude install sshor# aptitude install openssh-server openssh-clientand wait a few moments for

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-14559986942312422382008-01-26T22:00:00.000+03:002008-01-26T22:12:24.852+03:00

Task: to print documents via local printers in Linux.Solve: it is required to install CUPS printing system and add the printer, which can take less than minute.Let's firing up the CUPSThe CUPS is Common UNIX Printing System. Before you install CUPS, you ought to look if you printer is supported, starting from here. If you printer is supported, install the next packages:aptitude install cupsys

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-20009388628398301802008-01-23T19:52:00.000+03:002008-01-23T19:53:40.218+03:00

Besides presence of eye-candy graphical configurators in Linux, in many situations it is more straightforward to change config files. It is really simple, and below it is shown how to do it. How to see current network card settingsFor brief review of network settings, it is enough to type in command prompt: # ifconfigorsudo ifconfigAnd something like this should appear:lo&nbsp;&nbsp;&nbsp;&nbsp;&

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com7tag:blogger.com,1999:blog-7179304041191259578.post-84430229958800060612008-01-12T21:47:00.001+03:002008-01-12T21:48:08.867+03:00

Sometimes in a process of disk recording errors are happening. Such discs are often being threw away, but there are some tricks to finish the recording process. After that, disc is passing MD5 check and reads normally. Below are mentioned several tricks to do so.Error during start or in the middle of recordingIt is rarely happens, but at he beginning or in the middle of recording process

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-38616777883791453072008-01-06T12:33:00.000+03:002008-01-06T12:34:09.551+03:00

For TV Tuner to work in Linux properly, several steps should be performed. Described steps below are suitable for other devices of such type: for example, webcams. Only kernel modules parameters will be different. Tweaking TV Tuner in Debian LinuxIf you are using default distribution kernel, this section is certain can skipped. Type in terminal dmesg and there should appear something like that::

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-84841443554004192542007-12-27T17:37:00.000+03:002007-12-27T17:38:13.806+03:00

Problem: bibliographical list of cites in LaTeX being grown and became on the thither side of fifty sources. Sorting and storing of bibliographical list in scientific papers is evident.Solve: there is cross platform system for bibliography base - JabRef.During creation of vast scientific works, problems with bibliography in LaTeX frequently arises. In the base level of LaTeX study, users applies

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com1tag:blogger.com,1999:blog-7179304041191259578.post-34553878381142686412007-12-15T20:40:00.000+03:002007-12-15T21:20:37.861+03:00

Problem: connect to the Internet via mobile phone and GPRS using USB-adapter Prolific PL2303 under Linux.Solve: there are enough tools in Debian to do so.What we haveAll above mentioned will have show in my notebook Asus M5200AE under Debian GNU/Linux and Siemens ME45, adapter and local Beeline cellphone provider.Before startingFor work to be done, PPP in kernel is required:Networking options->

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-77920926698764299992007-12-12T22:11:00.000+03:002008-12-09T23:33:42.201+03:00

Problem: Shooting with exposure times 30 and more is required and this process must be automated.Solve: using soldering iron, common chips and bash script in Linux, it is possible to make PC-driven remote control device.What we haveWe have Canon EOS 400D, Debian-powered notebook and necessity of shooting pictures with exposure longer than 30 seconds. There is good scheme proposed by Michael A.

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com2tag:blogger.com,1999:blog-7179304041191259578.post-45854672134232208222007-12-07T20:07:00.000+03:002007-12-07T20:08:16.967+03:00

Sometimes changing MAC-address of a network card is needed. For example, when it used for authorisation by internet provider. This is relatively simple yet unobvious in a first time procedure, but here are some examples.Temporary MAC-address changeGo to the terminal and type:sudo ifconfig eth0 hw ether xx:xx:Xx:xxand MAC-address change and will stay until reboot. If you wish to change MAC-address

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com4tag:blogger.com,1999:blog-7179304041191259578.post-58007655641476183212007-12-06T19:43:00.000+03:002007-12-06T19:45:29.875+03:00

Problem: one have a printer shared for networks printing and connected to a windows machine. From the other side, there is Linux-powered machine with CUPS installed and we want to print on windows shared printer.Solve: with CUPS webform, adding printer and specifying login guest for printing without a password in a windowish printer.Let's consider a common situation: we have winXP computer with

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-58382164121265221942007-11-24T21:53:00.002+03:002008-12-09T23:33:42.487+03:00

The friend of mine had been presented to me a webcam recently. On the box of Logitech QuickCam, there were logo of an alternative operation system, but in Debian configuration of a webcam is as easy as 1-2-3. Here are tips for configuration of a webcam.PreparationSome preparing words - if you didn`t compile your own kernel, this section can be omitted.Webcam interface in kernel is almost like

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com11tag:blogger.com,1999:blog-7179304041191259578.post-8879187301818663132007-11-17T19:24:00.000+03:002007-11-17T19:28:27.236+03:00

When you use console in X-Window, often and often you desktop are literally wasted with xterms. It is more important, that you productivity is lowered, too. But here is solution - Yakuake.Gamer`s consoleWhen I was young, I spent pretty much time with CounterStrike and QuakeIII. And I felled in love with this small and elegant console hidden-in-a-top of screen in Quake. Till now, I was missing

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com2tag:blogger.com,1999:blog-7179304041191259578.post-69867961612922224402007-11-14T23:13:00.000+03:002007-11-14T23:14:25.264+03:00

Problem: using SWISH++ it is possible to search and sort PDF-files automaticallySolve: tools like pdftotext, find, scripts on Bash or Perl are required to perform quick and fast search within PDF and indexing PDF documents.The common way is to use Beagle or some other searching stuff, but I show how SWISH++ can do the same, but much, much more fast and resource-efficient.Introduction: How

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-11128651748300049122007-11-03T22:49:00.000+03:002008-12-09T23:33:42.841+03:00

There is an interesting class of programs: audioplayers. What we expected from them? Playing music. What is required for this? Codecs, simple interface, playlist, equalizer. May be themes and control from keyboard. Many things can be applied to it, but audioplayer must stay a-music-player. This is primary task for such kind of program, and afterwards - cataloguer, tag converter, music collection

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com2tag:blogger.com,1999:blog-7179304041191259578.post-68943132722236067592007-10-27T23:17:00.000+04:002007-10-27T23:20:33.706+04:00

Problem: one have vast raster image, which is needed to be processed and enhanced. And seeing of intermediate result and possibility of tuning the parameters are required.Solve: the unique image processing tool for processing museum images - nip2 - helps us, and it incorporated in Debian GNU/Linux distribution.An approach of nip2: images as tablesNon-standard and very productive approach is

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com0tag:blogger.com,1999:blog-7179304041191259578.post-48285466359364885082007-10-12T22:35:00.000+04:002007-10-12T22:36:11.127+04:00

Problem: it`s needed to quickly and simply make scientific articles, books, monographs and practically all that have many formulas and graphs.Solve: installation LaTeX in Debian - a work of a moment.In UNIX-like systems packages for LaTeX called tetex or texlive. So, let`s open terminal and type as root:#aptitude install tetex-bin tetex-extra latex-ucsThis will occupy about 120Mb of disk space,

virenshttp://www.blogger.com/profile/12420257446841864325noreply@blogger.com3