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• Installing MySQL complete?

  - by codeartist

  How I can install mysql in ubuntu 12.04(gnome 3). So that I will have my mysql installation in /usr/bin/mysql It's library and header files in /usr/lib/mysql and /usr/include/mysql respectively. Last time I tried sudo apt-get install mysql-server mysql-client mysql-common The mysql has been installed in /usr/bin/mysql. It's header files were in /usr/include/mysql but library files were not present. and libmysqlclient.so was in /usr/lib/i386-linux-gnu/ which should not be there. I need it to be in /usr/lib/mysql Help me out in solving this problem :(

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• Problem with the installation of VirtualBox

  - by Antonis Grigoriadis

  I am trying to install virtualbox and make it work but it doesn't seem I can. In the image you can seem the output. If I run VBoxManage --version I get: WARNING: The character device /dev/vboxdrv does not exist. Please install the virtualbox-dkms package and the appropriate headers, most likely linux-headers-generic. You will not be able to start VMs until this problem is fixed. 4.3.10_Ubuntur93012 But virtualbox-dkms is already installed and at the latest version. So I tried to reinstall it and i got this: Any help will be appreciated. EDIT: The output after reconfigure (@M.Tarun suggestion): EDIT 2: Also installed the sources as @Hmayag instructed, purged virtualbox and installed it again but I got the same problem.

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• Reducing IO caused by nginx

  - by glumbo

  I have a lot of free RAM but my IO is always 100 %util or very close. What ways can I reduce IO by using more RAM? My iotop shows nginx worker processes with the highest io rate. This is a file server serving files ranging from 1mb to 2gb. Here is my nginx.conf #user nobody; worker_processes 32; worker_rlimit_nofile 10240; worker_rlimit_sigpending 32768; error_log logs/error.log crit; #pid logs/nginx.pid; events { worker_connections 51200; } http { include mime.types; default_type application/octet-stream; access_log off; limit_conn_log_level info; log_format xfs '$arg_id|$arg_usr|$remote_addr|$body_bytes_sent|$status'; sendfile off; tcp_nopush off; tcp_nodelay on; directio 4m; output_buffers 3 512k; reset_timedout_connection on; open_file_cache max=5000 inactive=20s; open_file_cache_valid 30s; open_file_cache_min_uses 2; open_file_cache_errors on; client_body_buffer_size 32k; server_tokens off; autoindex off; keepalive_timeout 0; #keepalive_timeout 65;

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• How to install google chrome from the official repos?

  - by Suhaib

  I followed this question : How to install Chrome browser properly via command line? However, It is not the same as the one mentioned in google's website : http://www.google.com/linuxrepositories/ I want to do this one instead. The process is: On an APT-based system (Debian, Ubuntu, etc.), download the key and then use apt to install it. wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - sudo apt-get update what would be the next step ? I tried sudo apt-get intsall google-chrome and I ended up with this error Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package google-chrome

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• How to impove Ubuntu performance on netbook

  - by Alexey Shytikov

  Most recent Ubuntu 12.04 seems to be quite nice and Unity (3D/2D) works fine for me, however not on my old Acer Aspire One any more. There was a times, when I switched from Windows XP to Ubuntu and was happy about system looks, effects and speed... now I attend to think that XP was really great comparing with 12.04. I have found similar questions here but no reasonable answer: how to lower CPU usage for Unity (3D/2D) and memory consumption for Ubuntu 12.04. With new interface I could not find how to disable background services... It's Linux, it's should be the way to optimize without buying new PC... Please share your recipe!

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• Free Web hosting for web applications

  - by Jairo

  Hi! Are there web sites that offers hosting of a web application that uses c++? I know that there are a lot of free web hosting solutions that offers hosting for regular web applications made with php, mysql, etc. I would like to upload a routing engine for my website. My application is a travel planner, and I have a custom routing engine that is made of c++. If there are free online Linux OS hosting that can act as a ordinary OS installation (which will be my best option), I would greatly appreciate if you can list them below. Thanks in advance.

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• Black Login Screen after installing updates 12.04

  - by general_guts

  I love my lixux 12.04..till yesterday it installed new updates and i clicked on restart.. As system went to grub all normal & loaded normal..then instead of pretty desktop (auto login turned on) i have black screen asking for login and password.. Why? How i get my desktop back to before? Please help new noob!!! This is due to updates i am sure, nothing in hardware has changed and no other display settings changed.. using AMD diver from there site linux one for my raedeon 6850 and have catalyst driver working fine.. i have tried typing in weird commands but they didnt do much like sudo start lightdm and sudo startx .. didnt do anything just froze.. i dont exactly no what these commands do but something to do with black screen..so i thought id try it.. Thanks

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• Black Screen on boot on a Lenovo IdeaPad Z575

  - by Davis

  So I tried to install Wubi. On boot, when I select Ubuntu it starts then I get a purple screen then black screen. My monitor is like completely off. So then I have to hold down my power button and shut it off. I boot it up then held shift and typed in "nomodeset" after the second to last line, but then when it boot it went into the command prompt thing and just stopped after "checking battery" or something. This is my first time installing any linux distro. I want to install it alongside windows and dual boot it with wubi because that is easy and simple. This is the laptop I have: http://www.newegg.com/Product/Product.aspx?Item=N82E16834246328

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• Second display running off laptop VGA not correctly positioned (offset left and up)

  - by Filthy Pazuzu

  I have black bars on the right and bottom of my display! I'm running my laptop's VGA output to an recognized as a It is 20", but the assumed 3" difference does not account for the incorrect position. Everything displays fine. It runs high-res video beautifully. But it's 3/4" offset left and an unreasonably annoying 1/4" offset up. I've tried going through the display's annoying & useless menu, but it doesn't have any way to adjust the position. I'm certainly no linux newbie, but on this Ubuntu (Pangolin, BTW) I can't figure out how to make simple positional display changes on Ubuntu. It's not only frustrating, it's a bit humiliating! So. Does anyone know of an app that will allow me to make basic display position alterations? ("App" - annoyingly trendy, but a useful word - no matter how grating.) Thanks, & Cheers, Paz

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• Triple-head on a Lenovo T520

  - by codeape

  Lenovo T520 with integrated Intel HD graphics + a NVidia card (Optimus) Ubuntu 11.10 on the computer. I would like to use the built-in screen plus two external screens. This PDF indicates that it is possible to connect up to four external monitors to the laptop. The information is Windows only. I was planning to disable the NVidia card, since I have read that Linux support for Optimus is not good. Questions: Has anyone set up three monitors on NVidia hardware? Has anyone set up three monitors using Intel HD 3000? Can I expect it to work out of the box, or are there tricks I need to be aware of?

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• How do I get a Canon imageClass MF4350d printer working?

  - by Dan

  I have an imageClass MF4350d printer/scanner/fax. I've tried to install the drivers. The printer is recognized in the system settings, but nothing prints. The scanner is working in simple scan. I tried following all of the troubleshooting suggestions in this thread with no success I downloaded this driver. I downloaded the Linux_UFRII_PrinterDriver_V230_uk_EN from Canon: Installation: 1st attempt: I installed the CNCUPSMF4350ZK.ppd file in the printer settings and moved the pstoufr2cpca file to /usr/lib/cups/filter. 2nd attempt: I followed forum advice of installing a fake gs-esp to tell the system that "gs-esp" is PROVIDED by the package "fake-gs-esp" I then converted the RPM sudo apt-get install alien sudo alien -k cndrvcups-common-2.20-1.x86_64.rpm sudo alien -k cndrvcups-ufr2-uk-2.20-1.x86_64.rpm I then installed the resulting .deb packages. Since I'm new to Linux, as much detail as possible in your suggestions would be very appreciated. I am still learning how to use the Terminal. Thank you very much!

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• How to check the information of current installed video drivers on Ubuntu?

  - by smwikipedia

  Hi guys, I have just installed Ubuntu 10.04. My CPU usage is high when I do trivial things such as scrolling through a PDF file. So I think my video driver is not properly installed. I want to confirm that by checking the information of my currently installed video driver, such as if there's a driver installed and what version it is. Then I could decide whether to install a new one if it is not up to date. On Windows, I could use the device manager, how to do that on Ubuntu Linux? I don't expect a GUI solution for this. Command line will be just good enough. Many thanks.

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• Eye-Infinity across 3 displays with a Radeon 6800

  - by Peter G Mac.

  So I purchased a computer recently and have been trying to customise the display. Radeon HD 6800 series Ubuntu 10.10. I have three 22inch 1080P lcd monitors that are mounted together. Everything is working smooth. How do I get the 'big-desktop' display where I have one enormous display across all monitors? Linux - ATI Catalyst Control Center 11.2 does not give me an option to 'group' my profiles like the pictures on their site show with Windows. I have been searching all over for help. Much Obliged, -Peter

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• scritp to create automatically ext4 and swap in unallocated diskspace

  - by user285589

  i've to install a number of machines. Some machines have windows 7 installed. Some machines not. The machines have 0 or 2 or 3 partitions. Every machine has enough free diskspace (20 to 250 GB) I installed an "golden client" and build an tar archiv of this client. Now, every client boots up a small linux via pxe, and run a script. This script should create a ext4 and a swap partition using the whole free space. After this, mount the ext4-partition, copy tar, chroot, and so on. The problem still is: I can create partitions using fdisk. But how can i figure out the partion number of the new partition. Do i have to mount /dev/sda3 or /dev/sda1? Someone an idea? Further question: How can i figure out, if the is unallocated space, and how much it is? Thanks

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• Die Tape Library, die mitwächst

  - by A&C Redaktion

  Mit der Storage Tek SL150 Modular Tape Library hat Oracle eine Archiv-Lösung entwickelt, die zusammen mit dem Unternehmen wachsen kann. Die Ziele waren hoch gesteckt: Die neue Bandbibliothek sollte nicht nur extrem skalierbar, sondern auch günstig sein, denn sie ist als Einstiegs-Library für kleinere, wachsende und mittelständische Firmen gedacht. Zum Launch der Tape Library legt Oracle beeindruckende Zahlen und Fakten vor: - 75% günstiger in der Anschaffung, als vergleichbare Produkte - platzsparend durch 40% höhere Dichte - höchste Sicherheitsstandards - erweiterbar von 30 auf bis zu 300 Slots, und damit 900 Terabyte - einfache Bedienung dank intuitiver Benutzeroberfläche auf Basis der Oracle Fusion Middleware und Oracle Linux - die Installation dauert nur 30 Minuten - unterstützt viele verschiedene Systemumgebungen Partner haben die Möglichkeit, zu diesem neuen Mitglied der Oracle Produktfamilie eigene Support Services anzubieten. Details zu den Resell und Support Anforderungen finden Sie hier (mit OPN-Login): SL150 Produktübersicht Partner Support Option mit StorageTek SL150 Modular Tape Library FAQ - Partner Support Option mit StorageTek SL150 Modular Tape Library Auch die englischsprachige Pressemitteilung zum Launch bietet ausführliche Informationen und Details, von den Maßen bis zum Energieverbrauch, finden Sie hier im Storage Tek SL150 Data Sheet. Natürlich wollen wir Ihnen die ersten Stimmen aus der deutschsprachigen Fachpresse zur Storage Tek SL 150 nicht vorenthalten: SpeicherguideIT SecCityIT AdministratorDOAG

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• Die Tape Library, die mitwächst

  - by A&C Redaktion

  Mit der Storage Tek SL150 Modular Tape Library hat Oracle eine Archiv-Lösung entwickelt, die zusammen mit dem Unternehmen wachsen kann. Die Ziele waren hoch gesteckt: Die neue Bandbibliothek sollte nicht nur extrem skalierbar, sondern auch günstig sein, denn sie ist als Einstiegs-Library für kleinere, wachsende und mittelständische Firmen gedacht. Zum Launch der Tape Library legt Oracle beeindruckende Zahlen und Fakten vor: - 75% günstiger in der Anschaffung, als vergleichbare Produkte - platzsparend durch 40% höhere Dichte - höchste Sicherheitsstandards - erweiterbar von 30 auf bis zu 300 Slots, und damit 900 Terabyte - einfache Bedienung dank intuitiver Benutzeroberfläche auf Basis der Oracle Fusion Middleware und Oracle Linux - die Installation dauert nur 30 Minuten - unterstützt viele verschiedene Systemumgebungen Partner haben die Möglichkeit, zu diesem neuen Mitglied der Oracle Produktfamilie eigene Support Services anzubieten. Details zu den Resell und Support Anforderungen finden Sie hier (mit OPN-Login): SL150 Produktübersicht Partner Support Option mit StorageTek SL150 Modular Tape Library FAQ - Partner Support Option mit StorageTek SL150 Modular Tape Library Auch die englischsprachige Pressemitteilung zum Launch bietet ausführliche Informationen und Details, von den Maßen bis zum Energieverbrauch, finden Sie hier im Storage Tek SL150 Data Sheet. Natürlich wollen wir Ihnen die ersten Stimmen aus der deutschsprachigen Fachpresse zur Storage Tek SL 150 nicht vorenthalten: SpeicherguideIT SecCityIT AdministratorDOAG

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• Agent versus Agentless management

  - by Owen Allen

  I got a couple of questions about Agentless asset management: "What does agentless management do for an asset?" Agentless management is one of the two ways that you can manage an operating system. Rather than installing an Agent Controller on the OS, agentless management uses SSH to regularly check the system and gather monitoring data. Many of the actions that would be available on an agent-managed system are available on an agentless system, but actions such as running reports or updating an Oracle Solaris 10 or Linux OS are not available. A table showing the capabilities of agentless management is here. "What permissions does agentless management require?" Agentless management still requires root credentials. If you can't log into the system as root, you can provide one set of credentials for the login, and then a set of root credentials to switch to.

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• 20 Windows Keyboard Shortcuts You Might Not Know

  - by Justin Garrison

  Mastering the keyboard will not only increase your navigation speed but it can also help with wrist fatigue. Here are some lesser known Windows shortcuts to help you become a keyboard ninja. Image by Remko van Dokkum Latest Features How-To Geek ETC The How-To Geek Guide to Learning Photoshop, Part 8: Filters Get the Complete Android Guide eBook for Only 99 Cents [Update: Expired] Improve Digital Photography by Calibrating Your Monitor The How-To Geek Guide to Learning Photoshop, Part 7: Design and Typography How to Choose What to Back Up on Your Linux Home Server How To Harmonize Your Dual-Boot Setup for Windows and Ubuntu Hang in There Scrat! – Ice Age Wallpaper How Do You Know When You’ve Passed Geek and Headed to Nerd? On The Tip – A Lamborghini Theme for Chrome and Iron What if Wile E. Coyote and the Road Runner were Human? [Video] Peaceful Winter Cabin Wallpaper Store Tabs for Later Viewing in Opera with Tab Vault

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• Creating sub domain on webmin [duplicate]

  - by Vijay

  This question is an exact duplicate of: Webmin - Setting up multiple virtual hosts - Subdomains 1 answer Can anybody help me in creating subdoain through webmin. I want to create subdomain like test.xxxxx.com for this I tried with several reference site but no luck. exp. http://www.trickylinux.net/add-domain-virtualminwebmin.html http://codeboxlabs.com/add-subdomain-webmin-linux/ My current httpd.conf look like: <VirtualHost *:80> SSLEngine off DocumentRoot /var/www/html/******/web DirectoryIndex index.php <Directory "/var/www/html/*****/web"> AllowOverride All Allow from All </Directory> ServerName www.******/.com ServerAlias ftp.*****.com SSLEngine off SSLVerifyClient optional </VirtualHost> Please help me to solve this issue.

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• How DNS Works [Video]

  - by Jason Fitzpatrick

  Want an easy and visual way to explain DNS to a curious friend or cubemate? This clean and simple short video does a great job highlighting exactly what goes on during a typical DNS request. Last month we explained what DNS is and showed you why you might want to use alternate DNS servers; this short video serves as an excellent visual companion for our article. How DNS Works [YouTube] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Bridging: Loosing WLAN network connection with 4addr on option - Why?

  - by WitchCraft

  Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And then later do brctl addif xenbr0 wlan0 I get this error message. can't add wlan0 to bridge xenbr0: Operation not supported I found out that Linux won't let you bridge a wireless interface in managed mode at all unless you enable the 4addr option (needed to recompile iw): iw dev wlan0 set 4addr on Afterwards brctl addif xenbr0 wlan0 works, and brctl show shows xenbr0 as bridged to wlan0. Unfortunately, as soon as I execute iw dev wlan0 set 4addr on my entire network connection is gone (no connection). As soon as then I execute iw dev wlan0 set 4addr off I reconnect and it works again. If I re-execute 4addr on, it breaks again, if I execute 4addr off, it works again. Unfortunately, I can't just turn 4addr on, activate the bridge and then turn it back off (error: device not ready). Does anybody know why I loose my connection ?

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• Small projects using the cathedral model: does open-source lower security?

  - by Anto

  We know of Linus' law: With enough eyeballs all bugs are shallow In general, people seem to say that open-source software is more secure because of that very thing, but... There are many small OSS projects with just 1 or 2 developers (the cathedral model, as described by ESR). For these projects, does releasing the source-code actually lower the security? For projects like the Linux kernel there are thousands of developers and security vulnerabilities are quite likely going to be found, but when just some few people look through the source code, while allowing crackers (black hat hackers) to see the source as well, is the security lowered instead of increased? I know that the security advantage closed-source software has over OSS is security through obscurity, which isn't good (at all), but it could help to some degree, at least by giving those few devs some more time (security through obscurity doesn't help with the if but with the when). EDIT: The question isn't whether OSS is more secure than non-OSS software but if the advantages for crackers are greater than the advantages for the developers who want to prevent security vulnerabilities from being exploited.

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• Convert DVD to MKV (et al) without transcoding/recompression

  - by Oli

  Like a lot of people, I have a lot of DVDs. But we also have a stupid amount of disk space and a media centre (Boxee) so the DVDs are getting less and less use. It would be nice to convert our DVDs into something more relevant to our needs. I've dabbled with DVD ripping before but whereas I'd usually transcode down to a smaller picture size with a better video compression algorithm, this takes a silly amount of time. I don't have a couple of hours available for each disk. (Sidebar: is there dedicated, Linux-friendly hardware to improve h264 encoding performance?) So I was wondering if there's anything that take the DVD filesystem, De-CSS it, and then stitch together any the VOBs that make up the main part of the film and package that up in a wrapping format like MKV. A bonus would be if it could grab the subtitles and stick them in too but that's not a requirement as Boxee can grab the subtitles online if it needs to.

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• ubuntu 12.04 install black screen

  - by Tara Scarborough

  When I try to install Ubuntu 12.04 i get the grub 1.99 screen that allows me to select ubuntu install, or try ubuntu with out installing. When i select install ubuntu the screen goes black and i can tell the hard drive is running, but there are no on screen prompts. I looked into this problem and attempted to change a few variables by pressing "e" to edit the ubuntu install boot screen I then changed splash to nospash, quiet to noquiet, and add nomodeset at the end of the line that starts with linux before the "--". This still changes nothing when i press F10 to boot. I have tried removing quiet and splash altogether and adding nomodeset, but still to no avail. I am a little frustrated and don't know what to do. Any help would be greatly appreciated! The system is brand new - no OS: Hardware: Zotac ZBOX ZBOX-ID81-PLUS-U Nettop Computer - Intel Celeron 857 1.20 GHz - 8 GB RAM - 320 GB HDD - Intel Graphics Media Accelerator HD Graphics Card

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• Setting up SANED with sane-test

  - by Enoon

  I'm trying to setup a network service for running saned (running the sane-test backend) on Ubuntu 12.10, running it on a virtualbox. I followed the directions found here: https://help.ubuntu.com/community/ScanningHowTo and i got to the point where if i use a front-end like xsane, or use the command scanimage -d test i get the desired behaviour. (i get the test image). But when i try to use the network demon to access the backend (from the localhost) i get Failed to connect. I used telnet on 127.0.0.1 6566 and i got the following error: saned: symbol lookup error: saned: undefined symbol: sanei_w_init I'm a linux newbie, so i could be making some stupid mistake. Any ideas on how to fix this? Thanks [update]After posting this question i logged out, logged back in and it worked. After a few days i tried again and it gave the same error as before. Any help?

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