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• How to fix the apt-get -f install error [duplicate]

  - by Satish Patel

  This question already has an answer here: How do I fix a “Could not get lock /var/lib/dpkg/lock” problem? 12 answers I am getting continuous error when I run the command sudo apt-get -f install The output of the command is as follows: Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: default-jre-headless icedtea-7-jre-jamvm openjdk-7-jre openjdk-7-jre-headless openjdk-7-jre-lib Suggested packages: fonts-ipafont-gothic fonts-ipafont-mincho ttf-telugu-fonts ttf-oriya-fonts ttf-kannada-fonts ttf-bengali-fonts The following NEW packages will be installed: default-jre-headless icedtea-7-jre-jamvm openjdk-7-jre openjdk-7-jre-headless openjdk-7-jre-lib 0 upgraded, 5 newly installed, 0 to remove and 28 not upgraded. 2 not fully installed or removed E: Could not get lock /var/cache/apt/archives/lock - open (11: Resource temporarily unavailable) E: Unable to lock directory /var/cache/apt/archives/ satish@satish-Inspiron-N5010 ~ $ please guide ASAP

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• CSS just for most basic HTML

  - by Gerenuk

  I've read that my note system Wikidpad, which exports to very simple HTML, can use CSS (http://wikidpad.sourceforge.net/help/HtmlCss.html) The elements in the output are not more than basic headings, bullet points and tables. I'd like to try some kind of improved style, but I as I have no knowledge about CSS, so the best I can do is to save some Myfile.css to a directory :) However if I google "CSS template" I get all sorts of complicating results that I cannot make sense of :( Am I using wrong terminology? Can you suggest what I should search for or maybe you even know a ressource where a get a simple CSS file with some decent standard HTML elements. I do not wish to make custom adjustments.

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• How/where to run the algorithm on large dataset?

  - by niko

  I would like to run the PageRank algorithm on graph with 4 000 000 nodes and around 45 000 000 edges. Currently I use neo4j graph databse and classic relational database (postgres) and for software projects I mostly use C# and Java. Does anyone know what would be the best way to perform a PageRank computation on such graph? Is there any way to modify the PageRank algorithm in order to run it at home computer or server (48GB RAM) or is there any useful cloud service to push the data along the algorithm and retrieve the results? At this stage the project is at the research stage so in case of using cloud service if possible, would like to use such provider that doesn't require much administration and service setup, but instead focus just on running the algorith once and get the results without much overhead administration work.

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• LAMP Stack Location

  - by Artem Moskalev

  I have installed the LAMP stack on Ubuntu 12.04 LTS using the tasksel command. I checked - it works. But I cant find the location of the installaton, I worked with WAMP - there you have a separate folder for Apache, for PHP and for mysql. Now I cant even find where to put the documents I create. Which folder is used to contain my web projects? How to start MySQL console and where to look for its installation directory? Which directories are PHP and Apache installed in? how to erase LAMP stack? I found out that some of the parts of the stack are installed in the root/var and root/etc directories: How can I install the whole LAMP stack in /home?

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• RDA Health Checks for SOA

  - by ShawnBailey

  What is a health check in RDA? A health check evaluates something in your environment to determine whether a change needs to be considered in order to avoid a problem or optimize fuctionality. Examples of what this 'something' might be are: Configuration Parameters JVM Options Runtime Statistics What have we done for SOA? In the latest release of RDA, 4.30, we have added a Rule Set for SOA called 'Oracle SOA 11g (11.1.1) Post Installation (Generic)'. This Rule Set contains 14 SOA related health checks. These checks were all derived from common issues / solutions we see in support of the SOA product. Many of the recommendations come from the product documentation while others are covered in the SOA Knowledge Base. Our goal is that you will be able to easily identify the areas of concern and understand the guidance available from the output of the Rule Set. Running the health checks for SOA The rules that the checks use are installed with RDA and bundled by product or functional area into what are called 'Rule Sets'. To view the available Rule Sets simply run the command from the RDA home location: rda.cmd (or .sh) -dT hcve This will bring up a list of the available HCVE (Health Check / Verification Engine) Rule Sets. Each Rule Set contains a group of related rules that are used for evalutation and display of results. A rule can be considered synonymous with a single health check and they are assigned an ID, Name and Description that can be seen when they are executed. The Rule Set for SOA is option number 11 and you just enter this selection at the prompt. The Rule Set will then execute to completion. After running an HCVE Rule Set the tool will write the output to the RDA_HOME/output folder. The simplest way to view the output is to drag the .htm file to a browser but of course it can also be uploaded to a Service Request for evaluation by Oracle Support. Many of the Rule Sets will prompt you for information before they can execute their rules but the SOA Rule Set will identify the SOA domains configured in your RDA setup.cfg file. This means that you don't need to answer all of the questions again about where stuff is but it also means that you must have configured RDA for SOA. To run the Rule Set: Download the latest version of RDA from MOS Doc ID 314422.1 Configure RDA for your SOA domains. Detailed steps can be found here In it's simplest form the command is 'rda.cmd (.sh) -S SOA' Go to the RDA home location and enter the command 'rda.cmd (or .sh) -dT hcve' Select option '11' It should be noted that this our first release of a SOA Rule Set so there will probably be some things we need to clean up or fix. None of these rules will actually modify anything on your system as they are read only and do the evaluations internally. Please let us know if you have any issues with the rules or ideas for new ones so we can make them as useful as possible. The Checks Here is a list of the SOA health checks by ID, Name and Description. ID Name Description A00100 SOA Domain Homes Lists the SOA domains that were indentified from the RDA setup.cfg file A00200 Coherence Protocol Conflict Checks to see if you have both Unicast and Multicast configured in the same domain. Checks both the setDomainEnv and config.xml entries (if it exists). We recommend Unicast with fully qualified host names or IP addresses. A00210 Coherence Fully Qualified Host Checks that the host names are fully qualified or that IP addresses are used. Will fail if unqualified host names are detected. A00220 Unicast Local Host Checks that the Coherence localhost is specified for use with Unicast A00300 JTA Timeout Checks that the JTA timeout is configured for the domain and lists the value. The bundled rule will only list the current values of the JTA timeout for each SOA Domain. In the future the rule with fail with a warning if the value is 300 seconds or lower. It is recommended that timeouts follow the pattern 'syncMaxWaitTime' < EJB Timeouts < JTA Timeout. The 300 second value is important because the EJB Timeouts default to 300 seconds. Additional information can be found in MOS Doc ID 880313.1. A00310 XA Max Time Checks that the JTA Maximum XA call time is set for the domain. Fails if it is not explicitly set or if the value is less than or equal to the default of 12000 ms. A00320 XA Timeout Checks that the XA timeout is enabled and that the value is '0' for the SOA Data Source (SOADataSource-jdbc.xml) A00330 JDBC Statement Timeout Checks that the Statement Timeout is set for all SOA Data Sources. Fails if the value is not set or if it is set to the default of -1. A00400 XA Driver Checks that the SOA Data Source is configured to use an XA driver. Fails if it is not. A00410 JDBC Capacity Settings Checks that the minimum and maximum capacity are equal for all SOA Data Sources. Fails if they are not and lists specifically which data sources failed. A00500 SOA Roles Checks that the default SOA roles 'SOAAdmin' and 'SOAOperator' are configured for the soa-infra application in the file sytem-jazn-data.xml. Fails if they are not. A00700 SOA-INFRA Deployment Checks that the soa-infra application is deployed to either a cluster, all members of a cluster or a stand alone server. A00710 SOA Deployments Checks that the SOA related applications are deployed to the same domain members as soa-infra. A00720 SOA Library Deployments Checks that the SOA related libraries are deployed to the same domain members as soa-infra. A00730 Data Source Deployments Checks that the SOA Data Sources are all targeted to the same domain members as soa-infra

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• How do I teach bash in Ubuntu some curse words?

  - by NitinAb

  When bash encounters an unknown command(word?) it does this : The program 'hello' can be found in the following packages: * hello * hello-debhelper Try: sudo apt-get install <selected package> what I would like to know is how this is done so I can edit it or add something before it to cross check the unknown word from a home grown dictionary which would have phrase:reply pairs that can then be sent to output. I am guilty of not looking enough for it around .. but the few bash guides I tried digging up didn't have anything on this. Maybe I am looking at the wrong places .. any pointers? And yes I am doing this so every time I type wtf when a program fails , I want something nice thrown back at me...

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• Compiz stop working

  - by Aikanáro

  I'm on a laptop sony vaio, vng-nw330f with ubuntu 11.10. One day I used my computer normally, I shutdown and the other day when I turn on it again, all was different. Compiz effects is not working at all, it doesn't matter what plugin (from ccsm) i enable or disable, nothings happens, nothings changes. I tried next commands: unity --reset unity --reset-icons sudo rm -rf .config .gnome .gnome2 .gnome2_private .compiz .icons .fonts .nautilus .themes .qt .local (from my home directory) gconftool-2 --recursive-unset /apps/compiz-1 I try reinstalling compiz (I remove compiz from software center and installed it again). I have just a couple of weeks using ubuntu, I'm not sure if exist a desktop call it unity 3d, but I think that it's missing. I want the graphics interface of ubuntu 11.10 by default.

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• "bad mirror archive" : What should I put as the "mirror of ubuntu archive" on installation of ubuntu?

  - by rockit

  I'm trying to set up ubuntu from my old macintosh laptop, but when it asks me to put in the "mirror of ubuntu archive" I run into problems. For the mirror, I put in mirror.anl.gov for the ubuntu archive mirror directory, i put in pub/ubuntu/ Then I leave the http proxy blank and hit "continue" It then tries to "download release files", which starts at 0%, and eventually jumps straight to 100% and then it presents me with an error of "bad mirror archive". Any advice? I never set up ubuntu before, and I'm really struggling with this step.

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• Ubuntu Software Center does not proceed from applying changes

  - by aneal

  I have a problem with Ubuntu software center. It is "Searching" and "applying changes" for long period of time. I tired to cancel by clicking cross(X) mark. However, it is now stuck at "cancelling". It won't let me download any new application even from terminal i guess. neal@neal-G50VT:~$ sudo apt-get install gnome-tweak-tool E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? neal@neal-G50VT:~$ sudo dpkg --configure -a dpkg: error: dpkg status database is locked by another process There are similar question here, but with no answers: Software Center stuck for Dropbox Software Center freezes during “applying changes

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• Add Custom Launcher in 11.10

  - by sayth

  I started by searching guides. I found this guide but neither of the main methods works anymore in 11.10. The first solution, I have created the desktop file, however the file location given as .gconf-> desktop-> unity-> launcher -> favourites no longer exists. I can get to /home/sayth/.gconf/desktop but there is no longer a unity folder. The second solution described right-clicking the desktop and creating a launcher. Right-clicking the desktop no longer produces a "create a launcher" option. I manually installed geany 0.21 as the one in the repo's is outdated. It's installed and working correctly, and is executing from /usr/local/bin/geany. How can I add it to the launcher?

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• Week 17: Specialization Flashback

  - by sandra.haan

  Remember when E.T. phoned home and Ferris had a day off? Or when Michael Jackson did the moonwalk and Madonna was the Material Girl? That's what we call an 80's flashback. Remember when we offered you 11 specializations? That's what we call a Specialization flashback considering we now have over 35 Specializations available. A lot has changed since we rolled-out OPN Specialized last year. Listen in as Nick Kritikos talks about the latest specializations available. Now get out of that DeLorean and take a look at the Specialization Guide to determine how your company can get Specialized. Until next time, The OPN Communications Team

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• Cannot log into Cinnamon after deleting ~/.config

  - by msoa

  After I removed "./.config" from Home folder, I can not log in to the cinnamon session: failed to load session "cinnamon" What do I do? xsession-error: Xsession: X session started for tux at Fri Oct 26 06:35:58 IRST 2012 localuser:tux being added to access control list Setting IM through im-switch for locale=en_US. Start IM through /etc/X11/xinit/xinput.d/all_ALL linked to /etc/X11/xinit/xinput.d/default. Failed to connect to the VirtualBox kernel service Failed to connect to the VirtualBox kernel service Failed to connect to the VirtualBox kernel service Failed to connect to the VirtualBox kernel service I am runing Cinnamon on a local machine, no on Virtualbox. but virtualbox is installed for some usage. !?

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• Using branchs for a mini project or module of project: Good practice?

  - by TheLQ

  In my repo I have 3 closely related mini projects: 1 server and 2 clients. They are all quite small (<3 files each). Since they are so small and so closely related I just dropped them in folders in one single repo. However now that I know I can't clone a single directory in my VCS of choice (Mercurial), I'm considering splitting them up. However I'm confused about general best practice: Is it okay to put different small projects in different branches, or should they all go in different repos? I'm currently leaning towards branching since I can't easily splice out the file history of the different projects but then your using a feature in a way it wasn't meant to be used.

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• Does the keyword blog in url impove seo?

  - by slow diver

  I have seen a couple of site which has high number of hits. They are mostly tutorial sites and blogs that address software issue/errors. I wonder if the kewybord "blog" has a very positive effect in SEO? In my own site, I have install word press in root folder to avoid any blog keyword. I also did this to keep urls shallow (deeper url are not good for SEO). But I may want to think on it again. The sites I am referring too are http://blog.sqlauthority.com http://veerasundar.com/blog/2011/11/making-xampp-to-serve-any-directory-outside-htdocs/ I know there are standard (sort of) class names or ID that identify different contents and makes it easier for the search engine to identify contents like, "container", "menu". The use of word "blog" would mean this is about dicussing/tutoring something and have a very positive effect on SEO?

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• Upgrade to Xubuntu 11.04 Breaks Wireless

  - by fleamour

  When I tried to connect at my mother's house and then my brother's house; the little connection icon would circle forever before eventually prompting for password. I have triple checked all network keys & then some. Even with my home network I now have to revert to 10.04 LTS Lucid Lynx (dual boot) or wired Ethernet. Not even sure where to start trouble shooting TBH? My card is a Edimax EW-7108PCg PCMCIA card which I bought for it's out the box Linux compatibility. Hardware is an IBM Thinkpad T21.

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• Building Paths Fluently

  - by PSteele

  If you ever need to “build” a path (i.e. “C:\folder1\subfolder”), you really should be using Path.Combine.  It makes sure the trailing directory separator is in between the two paths (and it puts the appropriate character in – DirectorySeparatorChar).  I wanted an easier way to build a path than having to constantly call Path.Combine so I created a handy little extension method that lets me build paths “fluently”: public static string PathCombine(this string path1, string path2) { return Path.Combine(path1, path2); } Now I can write code like this: var dir = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) .PathCombine("Folder1") .PathCombine("Folder2"); Technorati Tags: .NET,Extension Methods,Fluent

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• Portal Turret Recreation an Amazing Clone of the Original [Video]

  - by Jason Fitzpatrick

  Last week Valve, the company behind the Portal series, received a crate containing a stunning replica of the iconic Portal turret sentry. Check out this video to see the turret in action. Valve explains the origin of the crate: On September 13th, 2012, Valve received another mysterious crate from WETA Workshop. Inside was a full-scale, articulated Portal turret, complete with a motion sensor. Once again, WETA Workshop’s gone far, far beyond our expectations to deliver something truly amazing. Thank you, WETA Workshop! If you’re ready to waste a little time geeking out over awesome props, designs, and other special FX goodies, you’ll definitely want to check out WETA’s site. [via Geeks Are Sexy] How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• How can I unit test a class which requires a web service call?

  - by Chris Cooper

  I'm trying to test a class which calls some Hadoop web services. The code is pretty much of the form: method() { ...use Jersey client to create WebResource... ...make request... ...do something with response... } e.g. there is a create directory method, a create folder method etc. Given that the code is dealing with an external web service that I don't have control over, how can I unit test this? I could try and mock the web service client/responses but that breaks the guideline I've seen a lot recently: "Don't mock objects you don't own". I could set up a dummy web service implementation - would that still constitute a "unit test" or would it then be an integration test? Is it just not possible to unit test at this low a level - how would a TDD practitioner go about this?

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• 1 Google Analytics account or top-level domain + profiles for sub-domains vs. 1 account for each sub-domain

  - by Eric Nguyen

  We have the following websites An online magazine Singapore edition - sg.abc.com The same online magazine Malaysia edition - my.abc.com Forums around the same subjects as the online magazine but functions independently - forums.abc.com Classifieds site rather also around the same subjects but functions independently - directory.abc.com Each of the above websites currently has its own Google Analytics account. abc.com has a separate Google Analytics account too. sg.abc.com has the most traffic and generates most revenues Are there any practical benefits of merging all the above sub-domains to be under abc.com? I can think of more reliable analytics and consistency for sure. Are there more? cross-sales?

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• problems updating system with apt-get

  - by Javier

  After to do apt-get update and try with apt-get upgrade I have the next error message: This is a coppy of my terminal (in spanish) root@LinuxJGP:/home/javiergp# apt-get upgrade Leyendo lista de paquetes... Hecho Creando árbol de dependencias Leyendo la información de estado... Hecho Se actualizarán los siguientes paquetes: apport apport-symptoms fonts-liberation gnome-icon-theme gnome-orca language-pack-en language-pack-en-base language-pack-es language-pack-es-base language-pack-gnome-en language-pack-gnome-en-base language-pack-gnome-es language-pack-gnome-es-base light-themes linux-firmware oneconf resolvconf sessioninstaller software-center ssl-cert tzdata ubuntu-docs ubuntu-keyring ubuntu-sso-client ubuntuone-control-panel ubuntuone-installer unity-lens-video unity-scope-video-remote xdiagnose 29 actualizados, 0 se instalarán, 0 para eliminar y 0 no actualizados. E: Los archivos de índice de paquetes están dañados. No existe un campo «Filename:» para el paquete ubuntu-keyring. How can resolve this problem?

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• What package do I need to build a Qt 5 & CMake application?

  - by Kevin Reid

  I'm trying to build sdrangelove, which wants Qt 5 and uses CMake for its build system, on Ubuntu 13.10. What package do I need to install to give it the file it's asking for here? There are a lot of *qt5* packages, and I've tried installing the promising looking ones to no effect. All the discussions I've found either have things working fine or are talking about writing CMake build rules rather than executing them. I don't have a lot of experience with the organization of Debian/Ubuntu packaging. CMake Error at CMakeLists.txt:14 (find_package): By not providing "FindQt5Core.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "Qt5Core", but CMake did not find one. Could not find a package configuration file provided by "Qt5Core" (requested version 5.0) with any of the following names: Qt5CoreConfig.cmake qt5core-config.cmake Add the installation prefix of "Qt5Core" to CMAKE_PREFIX_PATH or set "Qt5Core_DIR" to a directory containing one of the above files. If "Qt5Core" provides a separate development package or SDK, be sure it has been installed.

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• How to make Windows boot first?

  - by Rani.Shemer

  I want to know how to make Windows the default boot OS in Ubuntu 11.10, how to make Windows boot first on GRUB2, specifically for Windows 7, which is my current version. I know that are some tutorials about this, but it seems that I made a mistake, so I'm asking. Luckily nothing serious happened. I didn't lose my data. The difference between my question and the tutorials is that the tutorials are from older version. Sorry for any disturbs and redundancy of the question. I'll love it better for a GUI app that making easy the boot. P.S: I forgot to say the version of my OS's I am running Windows 7 Home Premium X64 bit Ubuntu 11.10 X64 bit I hope this will make understand better because I now saw it a tutorial that for 64 bit versions Startup-Manager doesn't work.

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• Error in mounting HDD

  - by Vikramjeet

  I am getting the following error whenever I mount my external HDD. It was working before and then I opted for safely removing the drive. Now its giving me following error Error mounting: mount exited with exit code 13: ntfs_mst_post_read_fixup_warn: magic: 0x43425355 size: 4096 usa_ofs: 8850 usa_count: 65535: Invalid argument Actual VCN (0x800006009000000) of index buffer is different from expected VCN (0x0). Failed to mount '/dev/sdb1': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details.

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• Ubuntu One Windows Client 3.0.1 - Sync not connecting

  - by Tweezak

  I've got sync working at home on Natty and I need to access files at work. I've just installed client 3.0.1 at work on Windows 7. It's finding my account and sees what devices are already set up for sync but it just repeatedly tries to sync (File sync starting...) and after a while fails (File Sync is disconnected.). This cycle loops endlessly. I'm suspicious that it's a problem with my proxy setup. My employer doesn't use a manual proxy configuration but instead uses an automatic configuration script at a specific http address. Does U1 recognize that kind of setup or is it only looking for a proxy server in the form of an address/port?

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• What is the significance of '*' (star, asterisk) in the file listing results?

  - by vfclists

  I have noticed that some of my files have an asterisk at end. Does the asterisk at the end have any particular significance? I think they are mostly executable and displayed in green by the ls command. You will see that ./bkmp* and ./bkmp0* have an asterisk at the end. They are executable bash scripts. Here's my output: drwxr-xr-x 7 username username 4096 Oct 2 18:28 ./ drwxr-xr-x 8 root root 4096 Oct 2 09:25 ../ -rw-r--r-- 1 username username 3724 Sep 22 03:06 .bashrc -rwxr--r-- 1 username username 319 Sep 22 03:42 .bkmp* -rwxr--r-- 1 username username 324 Sep 29 23:30 .bkmp0* drwx------ 2 username username 4096 Sep 17 13:52 .cache/ -rw-r--r-- 1 username username 675 Sep 17 13:37 .profile drwx------ 2 username username 4096 Sep 22 10:10 .ssh/ drwx------ 2 username username 4096 Sep 24 19:49 .ssh.local/ drwxr-xr-x 2 username username 4096 Sep 22 04:10 archives/ drwxr-xr-x 3 username username 4096 Sep 24 19:51 home/ -rw-r--r-- 1 username username 27511 Sep 24 19:51 username_backup.20120924_1908.tar.gz

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