Linux Tips

Some of you might face this situation. Ubuntu’s Ubiquity Installer could not detect SATA drive, although  sudo fdisk -l  lists the drive. It even appeared in gparted. It seems that the SATA drive had left over raid configuration information that was telling the installer to skip the drive (as if it was unsupported). In the following tutorial, I will show you how to get Ubuntu to detect the SATA drive, so that you could proceed and install Ubuntu. Read the full post here…

I have been using this little applet called cryptkeeper for a while now, it is a beautifully simple power user application that will help you keep your private information safe and secure. In this simple how to I will assist you in installing and using cryptkeeper. Basically Cryptkeeper is a Linux system tray applet that manages EncFS encrypted folders. Installing it is as easy as running a single command. I nstallation: Open terminal and execute command: sudo apt-get install cryptkeeper That will install all the necessary files. (Alternatively you can install it from synaptic package manager) Now log out and log back in. Once you are logged back in, you can start Cryptkeeper from the menu Applications->System Tools->Cryptkeeper. You should see an icon in your System Tray that looks like a pair of keys. This can vary a bit based on your current icon theme. This is the Cryptkeeper icon. And now H ow to use it. Click on the Cryptkeeper icon and select New encrypted ...

Skype is a simple software which enable you to make free calls(Audio,video and conference ) over the Internet by using VoIP protocol.It is available for all platform i.e you can use it from Ubuntu,windows or MacOS.It is very simple to use and graphical interface is also very user friendly with a lot of advanced features. The Command Line Way 1. Add the partner repository to the sources.list. sudo gedit /etc/apt/sources.list Uncomment the following lines: deb http://archive.canonical.com/ubuntu maverick partner deb-src http://archive.canonical.com/ubuntu maverick partner If you don’t see the above two lines, then you must add them. Now save and close the file. 2. Now, retrieve the updated package lists from the newly added repositories by issuing the following command: sudo apt-get update 3. Now install skpe sudo apt-get install skype The Graphical Way 1. Go to Applications –> Ubuntu Software Center. 2. Then select Edit –> Software Sources… 3. Select ‘O...

The Ubuntu team has announced the release of Ubuntu 10.04.1 LTS, the first maintenance update to Ubuntu's 10.04 LTS release.  This release includes updated server, desktop, and alternate installation CDs for the i386 and amd64 architectures.  Numerous updates have been integrated, and updated installation media has been provided so that fewer updates will need to be downloaded after installation. These include security updates and corrections for other high-impact bugs, with a focus on maintaining stability and compatibility with Ubuntu 10.04 LTS. To Get Ubuntu 10.04.1 LTS ------------------------- To download Ubuntu 10.04.1 LTS, or obtain CDs, visit: http://www.ubuntu.com/ getubuntu/download We recommend that all users read the release notes, which document caveats and workarounds for known issues. They are available at: http://www.ubuntu.com/ getubuntu/releasenotes/1004 About Ubuntu 10.04.1 LTS ------------------------ This is the first maintenance release of ...

Slackware Linux Essentials Slackware Linux Essentials is an indispensible resource that you will want to have by your side at all times. It contains the most complete and up-to-date information available on the Slackware Linux Operating System. A must-have reference guide you have been waiting for, it delivers everything you need to get started with Slackware Linux, including straightforward explanations of important programs and step-by-step instructions to guide you through the Slackware installation process. You too can become an expert on this powerful OS by reading about its history and capabilities.   Get it Here

Linux from Scratch describes the process of creating your own Linux system from scratch from an already installed Linux distribution, using nothing but the source code of software that you need. This 318 page eBook provides readers with the background and instruction to design and build custom Linux systems. This eBook highlights the Linux from Scratch project and the benefits of using this system. Users can dictate all aspects of their system, including directory layout, script setup, and security. The resulting system will be compiled completely from the source code, and the user will be able to specify where, why, and how programs are installed. This eBook allows readers to fully customize Linux systems to their own needs and allows users more control over their system. Check current availability! 

An in-depth exploration of the art of shell scripting. This guide assumes no previous knowledge of scripting or programming, but progresses rapidly toward an intermediate/advanced level of instruction . . . all the while sneaking in little nuggets of UNIX® wisdom and lore. It serves as a textbook, a manual for self-study, and a reference and source of knowledge on shell scripting techniques. The exercises and heavily-commented examples invite active reader participation, under the premise that the only way to really learn scripting is to write scripts. This book is also suitable for classroom use as a general introduction to programming concepts. The Advanced Bash Scripting Guide is both a reference and a tutorial on shell scripting. This comprehensive book (the equivalent of 974 print pages) covers almost every aspect of shell scripting. It contains 364 profusely commented illustrative examples, a number of tables, and a cross-linked index/glossary. Not just a shell ...

Every time when you have logged into your gtalk you would have thought of seeing the friends who are invisible. Here is a small trick. The bellow peace of python code get the list of invisible users from your GTalk buddy list. It uses XMPP module for python. You can install this module in Ubuntu/Debian via apt. It also requires python dns module. So , Next time do not let anyone fool you , rather catch him Invisibly . Click here to get the procedure and code.

Even though your file might not be that long, it can still be a pain to find something you are looking for. Vim has several ways to help you find what you are looking for. Find next occurrence of a word Search for a word by executing the following command in normal mode: ?someWord The command searches backwards in the file for the first occurrence of the word after the question mark. If you are at the end of the file, this is the perfect way to search for a word, but if you were at the beginning of the file it would make more sense to search forward in the file. This is done by exchanging the question mark for a slash: /someWord The word might be in the file several times, and maybe the first place you found wasn't the place you were looking for. No worries, you simply need to press n to go to the next occurrence of the word in the direction of the search. If you would rather change direction, then simply press N instead, and it will instead find the preceding occurrence of the...

MediaInfo supplies technical and tag information about a video or audio file. What information can I get from MediaInfo? General: title, author, director, album, track number, date, duration ... Video: codec, aspect, fps, bitrate ... Audio: codec, sample rate, channels, language, bitrate ... Text: language of subtitle Chapters: number of chapters, list of chapters What format (container) does MediaInfo support? Video: MKV, OGM, AVI, DivX, WMV, QuickTime, Real, MPEG-1, MPEG-2, MPEG-4, DVD (VOB)... (Codecs: DivX, XviD, MSMPEG4, ASP, H.264, AVC ...) Audio: OGG, MP3, WAV, RA, AC3, DTS, AAC, M4A, AU, AIFF ... Subtitles: SRT, SSA, ASS, SAMI ... What can I do with it? Read many video and audio file formats Different methods of viewing information (text, sheet, tree, HTML...) You can customise these views Exporting information as text, CSV, HTML... Graphical Interface, Command Line, or DLL Integration with MS-Windows shell (drag 'n' drop, and Context menu) Internati...

Sometimes even the simplest of tasks like navigating through a single file can be optimized. Vim offers several methods of navigation within a file, which can adapt to the contents of the file and how it is organized. Some of these methods are obvious, while others are more complex. Mostly, the files we are editing are well structured. If our files are text, then this structure can be in the form of paragraphs, sentences, and words, or at other times code with functions, blocks, and code lines. Vim supports jumping around the file, according to the structure in the file, and has key bindings that make it easy to go to the exact place in the file where you want to go. Moving within a text file You are working on a normal text file and in the middle of a sentence you realize that you have forgotten to make the first letter in the paragraphs uppercase. You could of course, use the arrow-keys or the h/j/k/l navigation keys to move to the beginning of the paragraph to correct this. It ...

Use profiling to speed up boot. By using profile, a profile of your boot is kept to make your next boot faster. After a couple of boots, a better profile would be ready for your machine. Follow the steps below for that: 1. Edit your grub $ sudo gedit /etc/default/grub You can find the lines GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=0 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT=" quiet profile " GRUB_CMDLINE_LINUX=""   add profile to the line GRUB_CMDLINE_LINUX_DEFAULT="quiet" as shown above. 2. Now Update your grub2. Type this in your terminal sudo update-grub2 3. Reboot. 4. Now edit the grub once again and remove the word profile that we added. Update grub ( sudo update-grub2 ) and then reboot.

U buntu reached the 10 second boot time with Lucid Lynx. what if your system isn’t quite reaching that point? You can speed it up using profiling option. To do this follow these steps: At your boot screen press “e” (for edit). Use your arrow key and move down to the entry beginning with “kernel”. Press “e” again. Add “profile” (no quotes) at the end of this line. Hit Enter. Click “b” (for boot). The firs time you boot with profile it will take a little longer. What this is doing is profiling your boot process so it knows what files are accessed and then sorts them according to how they are stored on your drive. Your next boot should be considerably faster. Extra Tip:- By disabling Floppy disk in Bios will improve your boot time considerably.  src: http://www.aroundtheweb.info/2010/04/how-tospeed-up-ubuntu-1004-lucid-lynx.html

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Command line Simply enter the command below in your terminal window sudo gconftool-2 -s '/apps/indicator-session/suppress_logout_restart_shutdown' --type bool true Graphical Press Alt-F2, enter gconf-editor, navigate to apps-->indicator-session and check the box next to suppress_logout_restart_shutdown

Skype has just been uploaded to the "partner" official Ubuntu 10.04 Lucid Lynx repository. So you can now install skype in your ubuntu 10.04 without downloading the setup files from skype . So to install Skype in Ubuntu 10.04 Lucid Lynx from the partner repository, go to System > Administration > Software Sources and on the "Other software" tab, enable (check the box next to it) the " http://archive.canonical.com/ubuntu lucid partner " repository. Now type $ sudo apt-get update $ sudo apt-get install skype Enjoy using skype. See http://linux.dipin.info/2010/03/resolve-skype-video-chat-web-cam-issue.html to solve your webcam issues.

Adobe Reader is a famous pdf reader. Command line way: $ wget http://ardownload.adobe.com/pub/adobe/reader/unix/9.x/9.3.2/enu/AdbeRdr9.3.2-1_i386linux_enu.deb $ sudo dpkg -i AdbeRdr9.3.2-1_i386linux_enu.deb Non Command Line: Download the deb file for 32-bit linux os from here . Just double click the .deb file you just downloaded to install adobe reader. Enjoy!

Upgrade To Ubuntu 10.04 Lucid Lynx Without An Internet Connection Well, if you don't have an Internet connection, you can still upgrade to Ubuntu 10.04 Lucid Lynx, but you'll need to download the Ubuntu 10.04 Lucid Lynx alternate CD somehow. You can download the Ubuntu Alternate ISO from HERE . Then, you can then either write the Ubuntu 10.04 Lucid Lynx Alternate ISO onto a CD or simply mount the ISO image using the following command: $ sudo mount -o loop ubuntu-10.04-alternate-i386.iso /media/cdrom0 Give exact path to " ubuntu-10.04-alternate-i386.iso " if your are not in the directory where you have saved the alternate cd image. Once you insert the CD or mount the ISO image, a dialog should pop up offering you the option to upgrade using that CD / ISO image. If of any reason the pop up doesn't come, you can start the upgrade manually by typing the command below. $ gksu "sh /cdrom/cdromupgrade"

Many of us may know how to extract a .Tar.gz file. But how many of us know how to extract a .bz2, .lz, etc files. Some extra option to tar will do the needfull, but we will need to know the options for each type of archive. But no worries any more. You can now use ' unp ', a script that extract any type of archive by itself. To extract any archive just type: $ unp archive_file where " archive_file " can be a rar, zip, tar.gz, deb, tar.gz2, rpm or any other archive. The best thing is that you can use unp to extract multiple types of archives at the same time. example: $ unp *.tar *.tar.gz *.tar.bz *.rpm *.deb *.zip *.rar To extract all the archive files in the current directory: $ unp * Install unp $ sudo apt-get install unp

To setup your ubuntu 10.04 lucid lynx for multimedia see my post: How to make Ubnutu 10.04 Lucid Lynx Multimedia Ready

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I am sure that this might have happened to you also, when you tried to install a package, and then a message showed "Failed dependencies". Now use apt-rdepends to know the dependencies and their dependencies of a package. When we make a query for dependencies of a package, apt-rdepends searches the APt and return the list of dependencies and the dependencies of each dependent package. insatll Install apt-rdepends $ sudo apt-get install apt-rdepends Lets see the dependencies of vlc $ sudo apt-rdepends vlc vlc Depends: libaa1 (>= 1.4p5) Depends: libc6 (>= 2.8) Depends: libdbus-1-3 (>= 1.0.2) Depends: libfreetype6 (>= 2.2.1) Depends: libfribidi0 (>= 0.19.2) Depends: libgcc1 (>= 1:4.1.1) Depends: libgl1 Depends: libgl1-mesa-glx Depends: libglib2.0-0 (>= 2.12.0) Depends: libgtk2.0-0 (>= 2.8.0) Depends: libnotify1 (>= 0.4.5) Depends: libnotify1-gtk2.10 Depends: libqtcore4 (>= 4:4.6.1) Depends: libqtgui4 (>= 4:4.6.1) Dep...

You can face this issue in two conditions. 1. Those who have installed ubuntu 10.04 might encountered this problem. The screen goes blank just after grub (may be after bios startup, if grub timeout early). Please follow the steps below to fix it. Press e on getting the GRUB bootloader(if not getting grub, press and hold shift key to get grub). Go to the line which says 'quiet and splash', delete these words and type in one of the option from below in their place. The suggested options that I have found are hardware specific. Here is a list: Older Intel video card: i915.modeset=1 or i915.modeset=0 nVidia: nomodeset Generic: xforcevesa Now press Ctrl + X to boot Now login to your Ubuntu as usual. If you have a Nvidia graphics card, this may be the issue with it, Now goto System->Administration->Hardware drivers, and select and activate the nvidia current driver if you have an nvidia card. The driver will be downloaded and activated automatically, and you wil...

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Install the libdvdcss library. # sudo su - # apt-get install libdvdcss2 # apt-get install libdvdread4 # cd /usr/share/doc/libdvdread4/ # ./install-css.sh If it says that the package is not found then try them again after executing the below lines: add medibuntu repositories in your sources list $ sudo wget --output-document=/etc/apt/sources.list.d/medibuntu.list http://www.medibuntu.org/sources.list.d/$(lsb_release -cs).list $ sudo apt-get --quiet update $ sudo apt-get --yes --quiet --allow-unauthenticated install medibuntu-keyring $ sudo apt-get --quiet update Enjoy!

GNU Screen is a free virtual terminal multiplexer that allows a user to access multiple separate terminal sessions inside a single terminal window or remote terminal session. Persistence Similar to VNC, GNU Screen allows the user to start applications from one computer, and then reconnect from a different computer and continue using the same application without having to restart it. This makes migration between locations like work and home simple. Screen provides terminal-agnostic functionality so that users can disconnect and reconnect using different terminal types, allowing applications to continue running without being aware of the change in terminals. Multiple windows Multiple terminal sessions can be created, each of which usually runs a single application. The windows are numbered, and the user can use the keyboard to switch between them. Some GUI terminal emulators provide tabs or otherwise similar functionality to this. Each window has its own scroll-back buffer, so that out...

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Learn the basics of the Linux operating systems. Get to know what it is all about, and familiarize yourself with the practical side. Basically, if you're a complete Linux newbie and looking for a quick and easy guide to get you started this is it. You've probably heard about Linux, the free, open-source operating system that's been pushing up against Microsoft. It's way cheaper, faster, safer, and has a far bigger active community than Windows, so why aren't you on it? Like many things, venturing off into a completely unknown world can seem rather scary, and also be pretty difficult in the beginning. It's while adapting to the unknown, that one needs a guiding, and caring hand. This guide will tell you all you need to know in 20 illustrated pages , helping you to take your first steps. Let your curiosity take you hostage and start discovering Linux today, with this manual as your guide! Download the Newbie's Initiation to Linux . Get i...

The GNU/Linux systems have reached an important level of maturity, allowing to integrate them in almost any kind of work environment, from a desktop PC to the sever facilities of a big company. In this ebook "The GNU/Linux Operating System", the main contents are related with system administration. You will learn how to install and configure several computer services, and how to optimize and synchronize the resources using GNU/Linux. The topics covered in this 500+ page eBook include Linux network, server and data administration, Linux kernel, security, clustering, configuration, tuning, optimization, migration and coexistence with non-Linux systems. A must read for any serious Linux system admin. Get your free ebook Check current availability!