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  • Partition resize

    - by borax12
    I have a dual boot system with 1.C:drive with windows 227 GB 2.E: drive in windows 185 GB 3.Ext4 Ubuntu - 38 GB 4.Linux swap - 4 GB I want to decrease the space from E: drive from 185 GB to say about 160 GB and assign the 25 GB achieved from the resizing to the ext4 partition so that my ubuntu home has more space I was told that do a resize in gparted could cause some boot problems,please tell me a safe way to achieve this resizing

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  • What schema documentation tools exist for PostgreSQL

    - by Brad Koch
    MySQL has MySQL Workbench for designing and documenting your schema, and generates CREATE and ALTER scripts based on your design. We're looking at migrating to PostgreSQL in the near future, and we do need a practical way of documenting and modifying the schema structure. What similar tools exist for Postgres (that are OS X/Linux compatible)? Alternatively, what equivalent conventions would be followed for designing and documenting the structure of your Postgres database?

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  • twin view on gnome when monitor is unplugged

    - by james t
    i have a macbook pro which is often connected to a monitor, twin view on gnome works pretty well, but a problem arises when i disconnect the monitor, any window that resided on that workspace is no longer available. another issue is when i start my computer when a monitor is not present, because xorg.conf file has the monitor configuration in it, my mouse pointer often disappears in the other monitor's virtual space, as if it is currently plugged, osx deals with this issue elegantly by refreshing the display every time a plug in/out occurs, is there anything similar that can be done in linux ?

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  • How to restart colord

    - by Blair Zajac
    A tiff security update came out today for 12.04 and colord is still running with the older shared library # lsof -n | grep DEL | grep /lib colord 3454 colord DEL REG 252,1 3673529 /usr/lib/x86_64-linux-gnu/libtiff.so.4.3.4 Besides restarting the whole system, given there's no /etc/init.d/colord, how do I restart it so it picks up the new libtiff.so.

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  • How do I restrict access to a directory for a specific user through samba?

    - by dummzeuch
    I have got a sub directory of a shared directory that I use Samba with and have set it to be accessible by only one user: $ cd /mnt/SomeSambaShare $ ls -lad SomeDir drwx--S--- 23 SomeUser SomeGroup 4096 2012-07-26 07:44 SomeDir I cannot access this directory as a linux user other than SomeUser. But I still can access this directory using a different Samba user than SomeUser. Why is that? And how do I prevent this?

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  • 4.8M wasn't enough so we went for 5.055M tpmc with Unbreakable Enterprise Kernel r2 :-)

    - by wcoekaer
    We released a new set of benchmarks today. One is an updated tpc-c from a few months ago where we had just over 4.8M tpmc at $0.98 and we just updated it to go to 5.05M and $0.89. The other one is related to Java Middleware performance. You can find the press release here. Now, I don't want to talk about the actual relevance of the benchmark numbers, as I am not in the benchmark team. I want to talk about why these numbers and these efforts, unrelated to what they mean to your workload, matter to customers. The actual benchmark effort is a very big, long, expensive undertaking where many groups work together as a big virtual team. Having the virtual team be within a single company of course helps tremendously... We already start with a very big server setup with tons of storage, many disks, lots of ram, lots of cpu's, cores, threads, large database setups. Getting the whole setup going to start tuning, by itself, is no easy task, but then the real fun starts with tuning the system for optimal performance -and- stability. A benchmark is not just revving an engine at high rpm, it's actually hitting the circuit. The tests require long runs, require surviving availability tests, such as surviving crashes -and- recovery under load. In the TPC-C example, the x4800 system had 4TB ram, 160 threads (8 sockets, hyperthreaded, 10 cores/socket), tons of storage attached, tons of luns visible to the OS. flash storage, non flash storage... many things at high scale that all have to be perfectly synchronized. During this process, we find bugs, we fix bugs, we find performance issues, we fix performance issues, we find interesting potential features to investigate for the future, we start new development projects for future releases and all this goes back into the products. As more and more customers, for Oracle Linux, are running larger and larger, faster and faster, more mission critical, higher available databases..., these things are just absolutely critical. Unrelated to what anyone's specific opinion is about tpc-c or tpc-h or specjenterprise etc, there is a ton of effort that the customer benefits from. All this work makes Oracle Linux and/or Oracle Solaris better platforms. Whether it's faster, more stable, more scalable, more resilient. It helps. Another point that I always like to re-iterate around UEK and UEK2 : we have our kernel source git repository online. Complete changelog of the mainline kernel, and our changes, easy to pull, easy to dissect, easy to know what went in when, why and where. No need to go log into a website and manually click through pages to hopefully discover changes or patches. No need to untar 2 tar balls and run a diff.

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  • How can I install Ubuntu on a Compaq DC7900?

    - by lemba
    I have an HP Compaq dc7900 Convertible Minitower from 2006: 80GB (3.5”) SATA 3.0GB/s with NCQ and Smart IV Intel Core 2 Duo E8500 I can install Ubuntu on it from a USB stick and everything seems to work fine, but when I finish and reboot the pc, grub will be shown but When I continue I get just a black screen with a blinking cursor I tried Linux Mint and OpenSuse as well but it seems there is something forbidden in the Bios. Installing Windows 8 works fine.

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  • Get Organized with Wiki in a Jar

    <b>Linux Beacon:</b> "While TiddlyWiki is probably the most popular desktop wiki out there, it's not the only fish in the sea. And if you don't fancy TiddlyWiki's approach to managing content, or you are looking for a desktop wiki that can help you to manage not only your notes but also appointments and contacts, then you might want to try Wiki in a Jar."

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  • Learning GNU Text Utilities

    <b>Linux.com:</b> "A few weeks ago we looked at some of the GNU utilities that you can use to work with files, check MD5/SHA1 sums and check your disk usage. This time around I want to cover some of the utilities that you'll use for working with text files."

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  • 'dd' access to a drive

    - by John
    I've been working with making custom bootloader and kernel code (not necessarily Linux kernel). I'm putting the images on USB, and was using dd to place them on the sector they needed to be on, and I'm getting tired of burning the image to /dev/sda instead of /dev/sdb (effectively destroying my hard drive). So I was wondering if I could somehow give user access to the 'dd' command, but only to the /dev/sdb drive, so that if I accidentally type /dev/sda it won't let me, because I wouldn't have run the command as sudo or root.

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  • All printouts condensed into left half on a Samsung Color Laser printer CLP-365W

    - by ajo
    After installing the Samsung Color Laser Printer CLP-365W in 12.04, the printout is condensed into the left half of the A4 page (regardless whether 'fit to page' on or off). This happens both with the automatically recognised Ubuntu driver and the 'Unified Linux driver' from the Samsung website. (The 300.ppd (as per 'Unified driver' install) or 360.ppd are the closest matches to '365'.) Any help?? Test page printout Test page printout closeup

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  • No se que hay que hacer :$ URGENTE!

    - by Meri
    Pues yo llevo muy poco tiempo con ununtu y nose que hay que hacer no se me inicia .. es decir me sale el menu grub ese y le doy al primero iniciar con linux pero me sale una rayita blanca parpadeando y asi horas y no se enciende y tengo que apagarle forzandolo de golpe y lo vuelvo a encender y le doy modo recuperacion y sale muchas cosas y al final not avaliable algo asi y se queda asi rato necesito ayuda.Intente muchas cosas de internet pero ninguna funciono si os sirve de informacion tengo un Acer Aspire 5630 tiene intel.

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  • Ubuntu 12.04 Overheating HP Pavillion dm4 3011tx

    - by gevvek
    I have tried installing Ubuntu 12.04 on my HP Pavilion dm4 3011tx and after a few minutes the fans start to work very fast and my laptop starts to heat up; The CPU temperature got up to 70 degrees and was still rising before I turned the computer off. I installed the graphics drivers for my AMD Raedon graphics and tried switching to the integrated graphics but that didn't make a difference I have also tried Fedora and Linux Mint and they do the same thing. Can anyone help?

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  • Program menu disappeared

    - by bikeless
    My problem is as follows: The program menu, the one that has file edit view all that does not display in some programs like Audicity Play on linux when i change the theme in the appearance it appears again i really do not know what is wrong with that or why. i have ubuntu 10.10 and running compiz have ubuntu tweak thanks for all that will answer and all that can not really thanks dudes. ubuntu is sure fun

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  • The Best How-To Geek Articles for May 2012

    - by Asian Angel
    This past month we covered topics such as alternative search engines that respect your privacy, tips and tweaks for getting the most out of Chrome, using camera Raw tools to develop digital photographs, and more. Join us as we look back at the most popular articles for May. Here’s How to Download Windows 8 Release Preview Right Now HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre

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  • Windows Server 2008 in KVM

    - by Joseph
    I've been working on getting a Windows Server 2008 KVM in my linux box running Ubuntu Server 12.04. I've got virt-install and virt-manager installed, got the install up and running via virt-install --connect qemu:///system -n winsvr2008 -r 1024 --vcpus=1 --disk path=/home/pwnd/vm/2008.img,size=30 -c /home/pwnd/en_windows_server_2008_with_sp2_x86_dvd_342333.iso --graphics vnc,listen=192.168.1.127 --noautoconsole --os-type=windows --os-variant=win2k8 --network=bridge:virbr0 --hvm -v and virsh vncdisplay winsvr2008 I can connect and view, but upon starting, I get hung up on please wait right after clicking Install. Any ideas?

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  • Which driver for ATI Radeon 9600 All-In-Wonder

    - by vanja
    I'm very new to Ubuntu and Linux for that matter, and wondering if anyone there found proper drivers for ATI Radeon 9600 All-In-Wonder. The system (Ubuntu 12.04) doesn't let me change screes resolution and it's not recognizing the card.. I found this page http://wiki.cchtml.com/index.php/Hardware that shows some info but i'm really confused where to start and if it's possible at all to make everything work. Any help would be really appreciated. Thanks in advance!! -vanja

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  • the application compiz has closed unexpectedly

    - by Rob
    i'm a newbie to linux os, i have recently installed the latest version of ubuntu 12.10 desktop 32bit on a hp-compaq d530 desktop pc, but after a restart login screen works fine, once logged in after 20/30secs i get a window prompt with the message " the application compiz has closed unexpectedly " i have send the report and after that i am stuck with just the wallpaper / screensaver. if any one can help me out would be grateful thanks

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  • I need help installing Ubuntu 11.10 to multi-drive system

    - by CookyMonzta
    I have a machine with 3 hard drives; the primary, which is 750GB (drive 0), and 2 others, each of which is 640GB (drives 1 and 2). On the last screen before the actual installation begins, this is how my hard drive configuration looks: /dev/sda [DISK0, 750GB] /dev/sda1 ntfs 104MB [Win7 System Reserved] /dev/sda2 ntfs 499,997MB [Windows 7 Pro] free space 250,052MB [This space intended for Windows 8] /dev/sdb [DISK1, 640GB] /dev/sdb1 ntfs 400,085MB [Windows XP Pro] free space 240,049MB [This space intended for Ubuntu] /dev/sdc [DISK2, 640GB] [This drive intended for various backups] free space 160,033MB /dev/sdc5 ntfs 480,101MB [Acronis Secure Zone] As you can see, I have 3 drives, all SATA. I have Win7 on my first drive (0), WinXP on my second drive (1) and a secure zone for daily backups on my third drive (2). I want to put Ubuntu 11.10 Oneiric Ocelot on the drive that also has XP. I've already used 400GB for XP and I have 240GB remaining, for which, my intention was to create a 4GB swap file and use the rest for Ubuntu itself. This is what my second hard drive looked like, for my intended setup before installation: /dev/sdb /dev/sdb5 swap 4,095MB [Linux swap] /dev/sdb6 ext4 235,951MB [Ubuntu 11.10] Needless to say, this is only the second time I have attempted to install Linux. I managed to get 7.10 Gutsy Gibbon working on an old machine. I have two problems with this installation: Ubuntu asks for a location to install the boot loader (i.e., "Device for Boot Loader Installation"). I already have a boot loader; namely, Acronis OS Selector (from Acronis Disk Director 11). So I decided to put the Ubuntu boot loader in /dev/sdb6 (where I intend to install Ubuntu), to keep it from interfering with my Acronis OS Selector. Once I hit "Install now", I ended up with the following error: "No root file system is defined. Please correct this from the partitioning menu." What am I missing? Did I attempt to put the boot loader in the wrong place? I assume I did, because as I am writing this entry, I am looking at LinuxIdentity.com's Ubuntu 11.04 Natty Narwhal magazine, and I see a screenshot (Figure 7 on Page 13) that implies that the boot loader can be installed anywhere, including the first hard drive (in the MBR, which would obviously force me to reinstall the Acronis OS Selector) or even on a floppy. But why do I get an undefined root file system error? I thought /dev/sdb6 was the root file. Obviously I'm missing something in the installation procedure. Should I try installing it in Windows using the WUBI Installer? I assume that, if I attempt to install Ubuntu from WinXP (on the second drive), it will automatically install Ubuntu on the empty partition alongside XP. But will I have the option of creating a swap partition? And what if the WUBI Installer searches all of my drives and decides to install Ubuntu on my first drive's empty partition (which I have left empty for Win8 upon its release)?

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