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• Debian Stable: Can't update kernel, libc won't update.

  - by pascal

  I use Debian Stable (squeeze) on a virtual host where I can't touch the kernel, it's stuck (and will be for some time as support told me) at Linux 2.6.18-028stab070.3 #1 SMP Wed Jul 21 18:33:27 MSD 2010 x86_64 So when I try to update, several packages fail with FATAL: kernel too old for example Preparing to replace libgcc1 1:4.6.0-11 (using .../libgcc1_1%3a4.6.1-1_amd64.deb) ... Unpacking replacement libgcc1 ... Setting up libgcc1 (1:4.6.1-1) ... FATAL: kernel too old Segmentation fault dpkg: error processing libgcc1 (--configure): subprocess installed post-installation script returned error exit status 139 and some version chaos ensued: The following packages have unmet dependencies: libc-dev-bin : Depends: libc6 (> 2.13) but 2.11.2-13 is installed libc6 : Depends: libc-bin (= 2.11.2-13) but 2.13-5 is installed libc6-dev : Depends: libc6 (= 2.13-5) but 2.11.2-13 is installed libquadmath0 : Depends: gcc-4.6-base (= 4.6.0-2) but 4.6.0-11 is installed libstdc++6 : Depends: gcc-4.6-base (= 4.6.0-2) but 4.6.0-11 is installed locales : Depends: glibc-2.13-1 What should I do? I want to keep the system up-to-date, so I want to pin as few packets as possible, but I also don't want to have to compile anything manually. Trying to pin the status quo and figured out where the error came from: ldconfig segfaults. -v doesn't print anything more so I can't tell what's the actual problem. # ldconfig FATAL: kernel too old

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• apt-mirror does not mirror the i18n directory

  - by Fred

  I need to setup a local Ubuntu mirror so the whole network doesn't need to hit remote servers in order to update and install new packages. Following a brief tutorial found here, I managed to get a server up and running that correctly mirrors packages from the main and restricted categories. However, when I call apt-get update on a client, I get a couple of errors such as : Ign http://192.168.1.18 karmic/main Translation-fr Ign http://192.168.1.18 karmic/restricted Translation-fr Checking back on the server, I see that apt-mirror only took the binary-amd64 directory of the mirror, and didn't take i18n that would provide Translation-fr. The manpage for apt-mirror doesn't say anything about i18n, and Google is of no help either. How do I properly mirror i18n? My current mirror.list file is as follows : ############# config ################## # # set base_path /var/spool/apt-mirror # # if you change the base path you must create the directories below with write privileges # # set mirror_path $base_path/mirror # set skel_path $base_path/skel # set var_path $base_path/var # set cleanscript $var_path/clean.sh # set defaultarch <running host architecture> # set postmirror_script $var_path/postmirror.sh set run_postmirror 0 set nthreads 20 set _tilde 0 # ############# end config ############## deb http://mirror.cc.columbia.edu/pub/linux/ubuntu/archive karmic main restricted deb http://mirror.cc.columbia.edu/pub/linux/ubuntu/archive karmic-updates main restricted clean http://mirror.cc.columbia.edu/pub/linux/ubuntu/archive

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• Can't install xclip on Ubuntu 10.10

  - by wildster

  I'm trying to load an SSH key to Github from a new machine and this command is not working: sudo apt-get install xclip Reading package lists... Done Building dependency tree Reading state information... Done Package xclip is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package xclip has no installation candidate when I try: sudo aptitude install xclip Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done No candidate version found for xclip No candidate version found for xclip The following partially installed packages will be configured: synaptics-dkms 0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 0B will be used. Writing extended state information... Done Setting up synaptics-dkms (1.1.1) ... Loading new synaptics-1.1.1 DKMS files... Error! Cannot locate /usr/src/synaptics-1.1.1.dkms.tar.gz. File does not exist. dpkg: error processing synaptics-dkms (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: synaptics-dkms E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up synaptics-dkms (1.1.1) ... Loading new synaptics-1.1.1 DKMS files... Error! Cannot locate /usr/src/synaptics-1.1.1.dkms.tar.gz. File does not exist. dpkg: error processing synaptics-dkms (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: synaptics-dkms Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done Any idea how I can install this? Mucho thanks in advance

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• (help help!!!) Easy_install the wrong version of python modules (Mac OS)

  - by user71415

  I installed Python 2.7 in my mac. When typing "python" in terminal, it shows: Ma-Xiaolongs-MacBook-Pro-2:~ MaXiaolong$ python Python 2.7 (r27:82508, Jul 3 2010, 20:17:05) [GCC 4.0.1 (Apple Inc. build 5493)] on darwin Type "help", "copyright", "credits" or "license" for more information. The Python version is correct here. But when I try to easy_install some modules. The system will install the modules with python version 2.6 which are not able be imported to Python 2.7. And of course I can not do the functions I need in my code. Here's an example of easy_install graphy: Ma-Xiaolongs-MacBook-Pro-2:~ MaXiaolong$ easy_install graphy Searching for graphy Reading pypi.python.org/simple/graphy/ Reading http://code.google.com/p/graphy/ Best match: Graphy 1.0.0 Downloading http://pypi.python.org/packages/source/G/Graphy/Graphy- 1.0.0.tar.gz#md5=390b4f9194d81d0590abac90c8b717e0 Processing Graphy-1.0.0.tar.gz Running Graphy-1.0.0/setup.py -q bdist_egg --dist-dir /var/folders/fH/fHwdy4WtHZOBytkg1nOv9E+++TI/-Tmp-/easy_install-cFL53r/Graphy-1.0.0/egg-dist-tmp-YtDCZU warning: no files found matching '.tmpl' under directory 'graphy' warning: no files found matching '.txt' under directory 'graphy' warning: no files found matching '.h' under directory 'graphy' warning: no previously-included files matching '.pyc' found under directory '.' warning: no previously-included files matching '~' found under directory '.' warning: no previously-included files matching '.aux' found under directory '.' zip_safe flag not set; analyzing archive contents... graphy.all_tests: module references file Adding Graphy 1.0.0 to easy-install.pth file Installed /Library/Python/2.6/site-packages/Graphy-1.0.0-py2.6.egg Processing dependencies for graphy Finished processing dependencies for graphy So it installs graphy for python 2.6. Can someone help me with it? I just want to set my default easy_install version as 2.7... Thank you very much!!!!!!

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• Graphite not running

  - by River

  I'm currently trying to install graphite 0.9.9 on a gentoo box using these instructions from the graphite wiki. Essentially, it fronts graphite using apache and mod_wsgi. Everything seems to have gone well, except that apache / the graphite webapp never seem to return a response to the web browser (the browser continuously waits to load the page). I've turned on the graphite debug info, but the only message in the log files is this, repeated over and over again in info.log (with the pid always changing): Thu Feb 23 01:59:38 2012 :: graphite.wsgi - pid 4810 - reloading search index These instructions have worked for me before to set up graphite on an Ubuntu machine. I suspect that mod_wsgi is dying, but I have confirmed that mod_wsgi works fine when not serving the graphite webapp. This is what my graphite.conf vhost file looks like: WSGISocketPrefix /etc/httpd/wsgi/ <VirtualHost *:80> ServerName # Server name DocumentRoot "/opt/graphite/webapp" ErrorLog /opt/graphite/storage/log/webapp/error.log CustomLog /opt/graphite/storage/log/webapp/access.log common # I've found that an equal number of processes & threads tends # to show the best performance for Graphite (ymmv). WSGIDaemonProcess graphite processes=5 threads=5 display-name='%{GROUP}' inactivity-timeout=120 WSGIProcessGroup graphite WSGIApplicationGroup %{GLOBAL} WSGIImportScript /opt/graphite/conf/graphite.wsgi process-group=graphite application-group=%{GLOBAL} WSGIScriptAlias / /opt/graphite/conf/graphite.wsgi Alias /content/ /opt/graphite/webapp/content/ <Location "/content/"> SetHandler None </Location> # XXX In order for the django admin site media to work you # must change @DJANGO_ROOT@ to be the path to your django # installation, which is probably something like: # /usr/lib/python2.6/site-packages/django Alias /media/ "/usr/lib64/python2.6/site-packages/django/contrib/admin/media/" <Location "/media/"> SetHandler None </Location> # The graphite.wsgi file has to be accessible by apache. It won't # be visible to clients because of the DocumentRoot though. <Directory /opt/graphite/conf/> Order deny,allow Allow from all </Directory> </VirtualHost>

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• How to setup a virtual machine in Ubuntu desktop to run Debian Server

  - by stickman

  I want to run a virtual machine in my Ubuntu desktop that runs a Debian server. The purpose of this is to generate Debian packages. I have some C++ applications that were originally developed on my Ubuntu machine, and I need to (re)compile them on a Debian server in order to: build Deb packages for deployment on a Debian server make sure that the applications will definitely work on a debian server The idea is so that I can do 90% of my development on Ubuntu (where I am more comfortable), and deploy a binary package that definitely works on Debian. BTW, I am developing on Karmic Kola (Ubuntu 9.10). [Edit] Following the advice I got so far, I have installed debootstrap and Debian 'Lenny' on /srv/chroot/debian_lenny on my machine. I am not sure this is the server version, but in any case I dont think that matters for my purposes (though it would be useful to know how to specifically install the server version). At the moment though, I am like a fish out of water, since there is no GUI, and it is only a console that I have in the chroot jail. I had a look in the home folder (I cheated, by using the KNavigator in Ubuntu), and there are no folders there - which presumably mean that no users have been set up as yet in the Debian "system". I would like to know how to do the following: Download and install the dev tools needed for (re)compiling my C++ apps Copy my projects from the Ubuntu "system" to the Debian "system" After building the binaries, I would like to create a debian binary package containing all of my binaries, so that I can install the package on a Debian server (my remote server)

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• Ubuntu cannot resolve unmet dependency

  - by DisgruntledGoat

  I'm trying to install a package on my Ubuntu 8.10 server. However, I get this message: The following packages have unmet dependencies. webmin: Depends: apt-show-versions but it is not going to be installed E: Unmet dependencies. Try ‘apt-get -f install’ with no packages (or specify a solution). So I run apt-get -f install which offers to install apt-show-versions and libapt-pkg-perl. After selecting to install without verification, I get these errors: Err http://gb.archive.ubuntu.com intrepid/universe libapt-pkg-perl 0.1.22build1 404 Not Found Err http://gb.archive.ubuntu.com intrepid/universe apt-show-versions 0.13 404 Not Found Failed to fetch http://gb.archive.ubuntu.com/ubuntu/pool/universe/liba/libapt-pkg-perl/libapt-pkg-perl_0.1.22build1_i386.deb 404 Not Found Failed to fetch http://gb.archive.ubuntu.com/ubuntu/pool/universe/a/apt-show-versions/apt-show-versions_0.13_all.deb 404 Not Found E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? I've tried running apt-get update and adding --fix-missing as suggested, but neither works. Where do I go from here?

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• Package pinning in Debian lenny

  - by bronto

  I need your advice as I don't know if I hit a bug, or I am misunderstanding something. On a Debian Lenny, I am trying to prevent the installation of two particular packages, when they are requested as dependencies fromother packages. I am using the same syntax I successfully used in Squeeze, but with no success at all. On squeeze, the following works as expected: # cat /etc/apt/preferences.d/local-no-pike.pref Package: pike7.6-core Pin: version * Pin-Priority: -1000 If I try to install pike7.6, which depends on pike7.6-core, apt and aptitude refuse to do so. On Lenny, the only difference is that there is no support for "fragments" in /etc/apt/preferences.d, and all preferences must be in the /etc/apt/preferences file. But it's not working. E.g., if the file contains: Package: grub-common Pin: version * Pin-Priority: -1000 apt doesn't stop me from installing grub, which depends on grub-common. I used strace to see if the file is being read, and it is. I was suggested to use some Debug:: options, but they didn't help to pinpoint the problem either. I have google'd a lot with some combinations of "lenny" "prevent" "package" "installation" "pinning" and the like, but nothing nice came out. And of course I read man apt_preferences. What am I missing here?

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• How can I install git on RHEL 6?

  - by JR.Xyza

  I'm trying to install Git on a RHEL6 development server, I have experience with Ubuntu but this is my first time working with RHEL (I'm a developer trying to fill in for a recently departed Linux Sysadmin). I've set up two additional repos (EPEL and IUS) for other packages needed for a Magento install. Output of yum repolist: [root@box]# yum repolist Loaded plugins: product-id, security, subscription-manager Updating certificate-based repositories. repo id repo name status epel Extra Packages for Enterprise Linux 6 - x86_64 7,841 ius IUS for RHEL 6Server - x86_64 135 Most of what I've read indicates a simple 'yum install git' should work with EPEL enabled, but I get the dreaded [root@box]# yum install git Loaded plugins: product-id, security, subscription-manager Updating certificate-based repositories. Setting up Install Process No package git available. Error: Nothing to do Same goes for git-daemon, etc. I've tracked down a number of git RPMs such as this one at repoforge but they require a train of dependencies that seems to never end. I've also toyed with compiling it manually but the rabbit hole to get make working seems to go even deeper. I'm convinced there's a simple oversight somewhere keeping me from being able to install from the EPEL repo, but I'm a rookie at all this. Thanks in advance for help/pointers/additional resources.

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• Advertise a subnet route with radvd

  - by Thomas Berger

  we have set up a small IPv6 Testing network. The setup looks like this: ::/0 +----------+ | Firewall | Router to the public net +----------+ | 2001:...::/106 | +----------+ +-------| SIT GW | sit Tunnel gatway to the some test users | +----------+ | +----------+ | Test Sys | Testsystem +----------+ The idea is to advertise the default route from the firewall and the route for the SIT subnets from the sit gateway. The configurations for radvd are: # Firewall interface eth0 { AdvSendAdvert on; route ::/0 { }; }; # SIT Gatway interface eth0 { AdvSendAdvert on; route 2001:...::/106 { }; }; We have captured the adv. packages with tcpdump and the packages looks good. We see a default route from the fw, and the subnet route from the SIT gatway. But if we look on the testsystem there are two default routes over both gateways. There is no subnet route. The routing does not work of course. Here the routes we get: 2001:.....::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 default via fe80::baac:6fff:fe8e:XXXX dev eth0 proto kernel metric 1024 expires 0sec mtu 1500 advmss 1440 hoplimit 64 default via fe80::e415:aeff:fe12:XXXX dev eth0 proto kernel metric 1024 expires 0sec mtu 1500 advmss 1440 hoplimit 64 Any Idea?

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• Getting Started in SuSE as an Ubuntu User

  - by Subhamoy Sengupta

  I am not a Linux newbie, but haven't touched SuSE in a very very long time (last time I tried it, it was SuSE 7!). Finally now I felt like giving it a try, and many things seem strange or unnecessarily complex. I have a series of questions. How do I ensure that my packages are uptodate? It sounds silly, but I tried the obvious methods already. I have disabled the default repositories that show up when you do zypper lr, and added Tumbleweed and packman repositories (Essentials, Multimedia, Extra). Then I did a sudo zypper ref --force and then sudo zypper dup, and it tells me many dependencies are not met. I have already added solder.allowVendorChange=true to /etc/zypp/zypp.conf, so it should not care which repository the latest versions are in, and just upgrade to it. Even when I chose to skip the packages with unmet dependencies, and seemed like quite a bit happened in the background, I opened Firefox afterwards and the version was 7! I am guessing things did not go as expected. But of course this is not a problem with SuSE, but I am not understanding the system right. How do I do it right? When I start typing arguments of a command, for example sudo zypper install, when I type sudo zypper ins and keep hitting TAB, nothing happens! It always worked in Ubuntu and I feel very uneasy with this. Is this how SuSE is supposed to be? When I try to install something, and I start writing its name, even though the package exists and I am sure of it, hitting TAB does not autocomplete it. This is also quite inconvenient. Why is it not happening? There are many things in SuSE that are really great, and I think I will stay with it and not go back to Ubuntu once I settle these very rudimentary issues. But right now they are giving me a lot of grief! Please help!

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• Is there a faster way to change default apps associated with file types on OS X?

  - by Lri

  Is there anything more convenient than using RCDefaultApp or Magic Launch, or just repeatedly pressing the Change All buttons in Finder's information panels? I thought about writing a shell script that would modify the CFBundleDocumentTypes arrays in Info.plist files. But each app has multiple keys (sometimes an icon) that would need to be changed. lsregister can't be used to make specific modifications to the Launch Services database. $ `locate lsregister` -h lsregister: [OPTIONS] [ <path>... ] [ -apps <domain>[,domain]... ] [ -libs <domain>[,domain]... ] [ -all <domain>[,domain]... ] Paths are searched for applications to register with the Launch Service database. Valid domains are "system", "local", "network" and "user". Domains can also be specified using only the first letter. -kill Reset the Launch Services database before doing anything else -seed If database isn't seeded, scan default locations for applications and libraries to register -lint Print information about plist errors while registering bundles -convert Register apps found in older LS database files -lazy n Sleep for n seconds before registering/scanning -r Recursive directory scan, do not recurse into packages or invisible directories -R Recursive directory scan, descending into packages and invisible directories -f force-update registration even if mod date is unchanged -u unregister instead of register -v Display progress information -dump Display full database contents after registration -h Display this help

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• Ubuntu cannot resolve unmet dependency

  - by DisgruntledGoat

  I'm trying to install a package on my Ubuntu 8.10 server. However, I get this message: The following packages have unmet dependencies. webmin: Depends: apt-show-versions but it is not going to be installed E: Unmet dependencies. Try ‘apt-get -f install’ with no packages (or specify a solution). So I run apt-get -f install which offers to install apt-show-versions and libapt-pkg-perl. After selecting to install without verification, I get these errors: Err http://gb.archive.ubuntu.com intrepid/universe libapt-pkg-perl 0.1.22build1 404 Not Found Err http://gb.archive.ubuntu.com intrepid/universe apt-show-versions 0.13 404 Not Found Failed to fetch http://gb.archive.ubuntu.com/ubuntu/pool/universe/liba/libapt-pkg-perl/libapt-pkg-perl_0.1.22build1_i386.deb 404 Not Found Failed to fetch http://gb.archive.ubuntu.com/ubuntu/pool/universe/a/apt-show-versions/apt-show-versions_0.13_all.deb 404 Not Found E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? I've tried running apt-get update and adding --fix-missing as suggested, but neither works. Where do I go from here?

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• How could I embed formatted XML source in WORD documents?

  - by eckes

  I'm writing a documentation with WORD that contains XML source code (whole files) as examples. The way I'm embedding the currently XML is quite cumbersome and doesn't seem to me as really maintainable: I'm finishing the editing of the document in WORD and create a PDF from it using Acrobat next, I open my XML files (2x input files, 2x generated output files) with IE and print them with the PDF printer supplied by Acrobat now, I open up Acrobat Pro and attach the four XML-PDF files to my original document The problem with that work flow for me is that it involves too much manual labor in order to get the documentation done. What I've tried up to now is not really satisfying for me: converting each XML to PDF and appending them like described above opening the XML files with SCiTE, copy as RTF and paste into Word playing around with the LaTeX packages minted, pygments and listings (I could write the docs with LaTeX too) but found some unsolvable problems in each of these packages I'm searching for a way that produces my documentation more automatic. For example embedding the XML files including formatting of IE (which I find quite readable). The files should be included by reference so that I don't have to paste the XML sources manually every time the XML changes.

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• Can't install mplayer or vlc on ubuntu

  - by mirko4

  I am trying to install Mplayer or VLC player on ubuntu feisty but i can't do it. I try with apt-get: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run `apt-get -f install' to correct these: The following packages have unmet dependencies: mplayer: Depends: libasound2 (> 1.0.16) but 1.0.13-1ubuntu5 is to be installed Depends: libavcodec51 (>= 0.svn20080206-8) but it is not going to be installed or libavcodec-unstripped-51 (>= 0.svn20080206-8) but it is not installable Depends: libavformat52 (>= 0.svn20080206-8) but it is not going to be installed or libavformat-unstripped-52 (>= 0.svn20080206-8) but it is not installable Depends: libavutil49 (>= 0.svn20080206-8) but it is not going to be installed or libavutil-unstripped-49 (>= 0.svn20080206-8) but it is not installable Depends: libcaca0 (>= 0.99.beta14-1) but 0.99.beta11.debian-2build1 is to be installed Depends: libcdparanoia0 (>= 3.10.2+debian) but 3.10+debian~pre0-4build1 is to be installed Depends: libcucul0 (>= 0.99.beta14-1) but 0.99.beta11.debian-2build1 is to be installed Depends: libfaad0 (>= 2.6.1) but it is not going to be installed Depends: libfribidi0 (>= 0.10.9) but 0.10.7-4build1 is to be installed Depends: libgif4 (>= 4.1.6) but it is not going to be installed Depends: libjack0 (>= 0.109.2) but it is not going to be installed Depends: liblzo2-2 but it is not going to be installed Depends: libopenal1 but it is not going to be installed Depends: libpostproc51 (>= 0.svn20080206-8) but it is not going to be installed or libpostproc-unstripped-51 (>= 0.svn20080206-8) but it is not installable Depends: libspeex1 (>= 1.2~beta3-1) but 1.1.12-3 is to be installed Depends: libsvga1 Depends: libswscale0 (>= 0.svn20080206-8) but it is not going to be installed or libswscale-unstripped-0 (>= 0.svn20080206-8) but it is not installable Depends: mplayer-skin python-apt: Depends: libapt-inst-libc6.7-6-1.1 Depends: libapt-pkg-libc6.7-6-4.6 scim-gtk2-immodule: Depends: libscim8c2a (>= 1.4.6) but 1.4.4-7ubuntu1 is to be installed scim-modules-socket: Depends: libscim8c2a (>= 1.4.6) but 1.4.4-7ubuntu1 is to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). I try apt-get -f install but it doesn't work neither. What to do please help me ?!

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• Managing Internal Yum Repository Groups

  - by elmt

  What is the best method for handling yum groups dependencies? For example, take this comps.xml file <comps> <group> <id>production</id> <name>Production</name> <default>true</default> <description>Packages required to run</description> <uservisible>true</uservisible> <packagelist> <packagereq type="default">ssh</packagereq> </packagelist> </group> <group> <id>development</id> <name>Development</name> <default>false</default> <description>Packages required to develop</description> <uservisible>true</uservisible> <packagelist> <packagereq type="default">gcc</packagereq> </packagelist> </group> </comps> which is packaged with createrepo -g comps.xml x86_64. The ssh and gcc rpms are not installed in the x86_64 directory. If I run yum groupinstall development, yum is smart enough to pull the gcc package from the RHEL repo even though the groups are defined in my internal repository. However, is this the proper way of doing this, or should I copy the rpms to my local repository and recreate the repo?

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• Setting up Web server so it is easy to migrate

  - by Nyxynyx

  Hi I am about to move my site from a VPS to another host's dedicated server. One of my concern is about scaling the site in the future that involves a change of server. Now that I am starting the dedicated server from scratch with only the OS, this means that I need to install the web server stack, including Apache and its mods, PHP, MySQL, PostgreSQL, Tomcat, Solr and a few other softwares like ImageMagick and git. Question: Is there a way for me to setup this new dedicated server such that I can easily migrate the entire site, both the technology stack and the code to the a newer server (upgrade from this new dedicated server) easily without reinstalling and reconfiguring everything? The code for the website is being handled by git and github so thats not a problem. I'm more conerned about the rest of the software required. Side question: The current VPS uses CentOs with cpanel and it seems that many packages are outdated on yum and cpanel interfers with the installation of many packages. Which OS should I go with for the new server? Ubuntu?

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• NAT via iptables and virtual interface

  - by Alex

  I'm trying to implement the following scenario: One VM-host, multiple guest VMs, each one gets its own IP-address (and domain). Our server has only one physical interface, so the intended use is to add virtual interfaces on eth0. To complicate our situation the provider uses port-security on their switches, so I can't run the guest interfaces in bridged mode, because then the switch detects a "spoofed" MAC-address and kills the interface (permanently, forcing me to call the support, which I'm sure will get them a little bit angry the third time ;) ). My first guess was to use iptables and NAT to forward all packages from one virtual interface to another one, but iptables doesn't seem to like virtual interfaces (at least I can't get it to work properly). So my second guess is to use the source IP of the packages to the public interface. Let's assume libvirt creates a virbr0-network with 192.168.100.0/24 and the guest uses 192.168.100.2 as IP-address. This is what I tried to use: iptables -t nat -I PREROUTING --src public_ip_on_eth0:0 -p tcp --dport 80 -j DNAT --to-destination 192.168.100.2:80 That doesn't give me the intended results either (accessing the server times out). Is there a way to do what I'm trying to do, or even to route all traffic to a certain IP on a virtual interface to the VM's device?

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• Compatibility of Fedora install on a Hybrid drive

  - by kjh

  I recently bought un ultrabook with a 500gb/32gb sdd hdd hybrid drive, and I'm having trouble replacing windows on it with fedora seventeen. it errors out saying there was an unhandled exception. Is linux compatible with hybrid drives? or can the operating system on a hybrid drive not be replaced? Edit: here are the steps I select special storage devices because it ignores my hard drives otherwise at this point i get the message: "Disk contains bios raid meta data, disk sda will be ignored" I can pick a hostname, select my timezone and set a password at the install type screen, no matter what I select (use all free space, replace linux systems, create custom partition etc..) once I click next, it says "an unhandled exception" has occured. and I can no longer proceed with installation. Here is the error message: anaconda 17.29 exception report Traceback (most recent call first); File "/usr/lib64/python2.7/size-packages/pyanaconda/bootloader.py"; line 183 self.stage1_drive=self_drives[0] File "/usr/lib64/python2.7/site-packages/pyanaconda/rw/cleardisks_gui.ph"; line... and tons of more lines like that

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• nVidia performance with newer X and newer driver abysmal with Compiz

  - by Nakedible

  I recently upgraded Debian to Xorg 2.9.4 and installed nvidia-glx from experimental, version 260.19.21. This was somewhat of an uphill battle as the dependencies for the experimental nvidia-glx package are still somewhat broken. I got it to work without forcing the installation of any packages and without modifying the packages. However, after the upgrade compiz performance has been abysmal. I am using the desktop wall plugin and switching viewports is really slow - takes a few seconds for each switch. In addition to this, every effect that compiz does, such as zoom animations for icons when launching applications, takes seconds. The viewport switching speed changes relative to the amount of windows on that virtual screen - empty screens switch almost at normal speed, single browser windows work almost decently, but just 4 rxvt terminals slows the switches down to a crawl. My compiz configuration should be pretty basic. Xorg is likewise configured without anything special - the only "custom" configuration is forcing the driver name to be "nvidia". I've fiddled around with the nvidia-settings and compizconfig trying different VSync settings, but none of those helped. My graphics card is: NVIDIA GPU NVS 3100M (GT218) at PCI:1:0:0 (GPU-0). This is laptop GPU that is from the Geforce GTX 200 series. Graphics card performance should naturally be no problem. EDIT: In the end, nothing really worked, and I got really annoyed with the state of compiz and its support in Debian. Many nVidia driver revisions have passed and I am using Gnome 3 now, so I am accepting the best answers to this question even though the issue was not resolved.

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• Group Policy - Published software not upgrading

  - by VokinLoksar

  I'm testing this with mercurial MSIs, but it's the same for other packages. I've created a new group policy and added an old version of mercurial to User software installation as a Published package. On a Windows 7 client I install the package through Programs and Features. The installation works fine. Now, I would like to publish an updated version of mercurial. I create a new Published package. Under 'Upgrades' I configure it to replace (upgrade also doesn't work) the old version and mark this upgrade as 'Required'. The old package is not removed. The Windows 7 client is then restarted. When I log back in, I see a status message saying something like 'Removing managed software Mercurial ...'. There is no message about installation of the upgrade. If I look in Programs and Features, I can see the new version of mercurial listed. However, the actual mercurial directory under Program Files is missing. It's as though the installation recorded information about the MSI, but didn't actually install anything after removing the old version. As I mentioned, this isn't specific to mercurial. I've tried using other apps and have yet to find one that can be upgraded via a Published package. Using Assigned packages in Computer Configuration works without problems, but I would like this software to be optional rather than required. Ideas?

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• What are the right questions to ask when deciding whether to use Chef or Puppet?

  - by John Feminella

  I am about to start a new project which will, in part, require deploying many identical nodes of approximately three different classes: Data nodes, which will run sharded instances of MongoDB. Application nodes, which will run instances of a Ruby on Rails application and an older ASP.NET MVC application. Processing nodes, which will run jobs requested by the application nodes. ALl the nodes will run on instances of Ubuntu 10.04, though they will have different packages installed. I have some familiarity with Chef from previous projects, though I don't consider myself an expert. In an effort to do due diligence, I have been investigating alternative possibilities. We have a number of folks in-house who are long-time Puppet users, and they have encouraged me to take a look. I am having trouble evaluating both choices, though. Chef and Puppet share many of the same domain terminology -- packages, resources, attributes, and so on, and they have a common history that stems from taking different approaches to the same problem. So in some sense they are very similar. But much of the comparison information I've found, like this article, is a little outdated. If you were starting this project today, what questions would you ask yourself to decide whether you should use Chef or Puppet for configuration management? (Note: I don't want answer to the question "Should I use Chef or Puppet?")

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• "No such file or directory"?

  - by user1509541

  Ok, so I have a VDS laying around, and I thought I would turn it into a TF2 game server. When I connect to my server through PuTTY, and use wget to download the package "hldsupdatetool.bin" from Steampowered.com. I go to run it and it says "No such file or directory found". When I use "ls" to see what files are in directory, it lists "hldsupdatetool.bin" as being in the directory. So, why is it saying it's not there? This has been a headache for the past 2 days. It's returning: root@10004:~# wget http://www.steampowered.com/download/hldsupdatetool.bin --2012-07-08 06:04:49-- http://www.steampowered.com/download/hldsupdatetool.bin Resolving www.steampowered.com... 208.64.202.68 Connecting to www.steampowered.com|208.64.202.68|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3513408 (3.4M) [application/octet-stream] Saving to: “hldsupdatetool.bin.3” 100%[======================================>] 3,513,408 2.45M/s in 1.4s 2012-07-08 06:04:51 (2.45 MB/s) - “hldsupdatetool.bin.3” saved [3513408/3513408] root@10004:~# chmod +x hldsupdatetool.bin.3 root@10004:~# ./hldsupdatetool.bin.3 -bash: ./hldsupdatetool.bin.3: No such file or directory root@10004:~# More: root@10004:~# ls ffmpeg-packages hldsupdatetool.bin.1 hldsupdatetool.bin.3 hldsupdatetool.bin hldsupdatetool.bin.2 setup.sh root@10004:~# ls -la total 13828 drwx------ 4 root root 4096 Jul 8 06:04 . drwxr-xr-x 21 root root 4096 Jul 8 05:57 .. -rw------- 1 root root 8799 Jul 8 06:26 .bash_history -rw-r--r-- 1 root root 570 Jan 31 2010 .bashrc -rw-r--r-- 1 root root 4 Jul 2 19:39 .custombuild drwxr-xr-x 2 root root 4096 Jul 4 18:49 ffmpeg-packages ---x--xrwx 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin -rwxr-xr-x 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin.1 -rw-r--r-- 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin.2 -rwxr-xr-x 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin.3 -rw-r--r-- 1 root root 140 Nov 19 2007 .profile -rw------- 1 root root 1024 Jul 2 19:49 .rnd -rwxr-xr-x 1 root root 38866 May 23 22:02 setup.sh drwxr-xr-x 2 root root 4096 Jul 2 19:44 .ssh root@10004:~#

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• How can I document and automate a system's configuration?

  - by Diomidis Spinellis

  Having a system's configuration represented by its current state is risky, inefficient, and opaque. At some point you may be left with an unsupported system and no upgrade path. Then configuring a new system compatible with the old is a process or trial and error. Furthermore, if at some point the system is damaged the only option is to go back to the most recent full backup, and try to remember what changes followed from that point. Also, the only way to create a system compatible with the original is through a complete dump/restore. Finally, in such a setup there's no way to know how you solved a particular problem; the only thing you can do is to look at the corresponding configuration files and try to guess what you changed to achieve the desired effect. Currently for each system I maintain, I keep a log file where I record all system administration activity, starting from the installation: installation options, added packages, changes in configuration files, updates, problem fixes etc. In theory this allows me to (manually) replay all changes to arrive at the current state, or to unroll an erroneous change by executing the reverse commands. However, this process is also inefficient, error-prone, and relies on human judgment. Another thing I've tried is to put /etc configuration files under version control with git. This helps me document the changes automatically and also apply them on a clean setup. But it's not without problems: git has to run under sudo, passwords and private keys may be stored in the repository, installed packages can't be meaningfully tracked, and git will have a fit if I try to extend this approach to all the system's directories. I've also thought about performing all changes through shell scripts or makefiles, but I think this process will require a lot of effort and will be fragile. Are there some better methods or tools that I'm missing?

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• Problems with Update Manager

  - by user65965

  Whenever I try to update with update manager I get the following errors: W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release Unable to find expected entry 'commercial/source/Sources' in Release file (Wrong sources.list entry or malformed file) W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise-updates/Release Unable to find expected entry 'commercial/source/Sources' in Release file (Wrong sources.list entry or malformed file) W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise-backports/Release Unable to find expected entry 'commercial/source/Sources' in Release file (Wrong sources.list entry or malformed file) W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise-security/Release Unable to find expected entry 'commercial/source/Sources' in Release file (Wrong sources.list entry or malformed file) W:Failed to fetch http://ppa.launchpad.net/iefremov/ppa/ubuntu/dists/precise/main/source/Sources 404 Not Found W:Failed to fetch http://ppa.launchpad.net/iefremov/ppa/ubuntu/dists/precise/main/binary-amd64/Packages 404 Not Found W:Failed to fetch http://ppa.launchpad.net/iefremov/ppa/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found E:Some index files failed to download. They have been ignored, or old ones used instead. Any help would be much appreciated, thank you. Thank you very much Eliah. I'm still pretty new to Ubuntu. Here's the output I got from the terminal: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04 LTS Release: 12.04 Codename: precise # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://archive.ubuntu.com/ubuntu precise main restricted commercial deb-src http://archive.ubuntu.com/ubuntu precise restricted main commercial multiverse universe #Added by software-properties ## Major bug fix updates produced after the final release of the ## distribution. deb http://archive.ubuntu.com/ubuntu precise-updates main restricted commercial deb-src http://archive.ubuntu.com/ubuntu precise-updates restricted main commercial multiverse universe #Added by software-properties ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://archive.ubuntu.com/ubuntu precise universe deb http://archive.ubuntu.com/ubuntu precise-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://archive.ubuntu.com/ubuntu precise multiverse deb http://archive.ubuntu.com/ubuntu precise-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://archive.ubuntu.com/ubuntu precise-backports main restricted universe multiverse commercial deb-src http://archive.ubuntu.com/ubuntu precise-backports main restricted universe multiverse commercial #Added by software-properties deb http://archive.ubuntu.com/ubuntu precise-security main restricted commercial deb-src http://archive.ubuntu.com/ubuntu precise-security restricted main commercial multiverse universe #Added by software-properties deb http://archive.ubuntu.com/ubuntu precise-security universe deb http://archive.ubuntu.com/ubuntu precise-security multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. deb http://archive.canonical.com/ubuntu oneiric partner deb-src http://archive.canonical.com/ubuntu precise partner ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software. deb http://extras.ubuntu.com/ubuntu precise main deb-src http://extras.ubuntu.com/ubuntu precise main ## This is a 3rd party script to install and update Oracle Java deb http://www.duinsoft.nl/pkg debs all ## Sun-Java6-JRE deb http://security.ubuntu.com/ubuntu hardy-security main multiverse ** /etc/apt/sources.list.d/askubuntu-tools-ppa-precise.list: deb http://ppa.launchpad.net/askubuntu-tools/ppa/ubuntu precise main deb-src http://ppa.launchpad.net/askubuntu-tools/ppa/ubuntu precise main ** /etc/apt/sources.list.d/askubuntu-tools-ppa-precise.list.save: deb http://ppa.launchpad.net/askubuntu-tools/ppa/ubuntu precise main deb-src http://ppa.launchpad.net/askubuntu-tools/ppa/ubuntu precise main ** /etc/apt/sources.list.d/effie-jayx-turpial-oneiric.list: deb http://ppa.launchpad.net/effie-jayx/turpial/ubuntu precise main # disabled on upgrade to precise deb-src http://ppa.launchpad.net/effie-jayx/turpial/ubuntu precise main # disabled on upgrade to precise ** /etc/apt/sources.list.d/effie-jayx-turpial-oneiric.list.distUpgrade: deb http://ppa.launchpad.net/effie-jayx/turpial/ubuntu oneiric main deb-src http://ppa.launchpad.net/effie-jayx/turpial/ubuntu oneiric main ** /etc/apt/sources.list.d/effie-jayx-turpial-oneiric.list.save: deb http://ppa.launchpad.net/effie-jayx/turpial/ubuntu precise main # disabled on upgrade to precise deb-src http://ppa.launchpad.net/effie-jayx/turpial/ubuntu precise main # disabled on upgrade to precise ** /etc/apt/sources.list.d/getdeb.list: # deb http://archive.getdeb.net/ubuntu oneiric-getdeb apps # disabled on upgrade to precise ** /etc/apt/sources.list.d/getdeb.list.distUpgrade: deb http://archive.getdeb.net/ubuntu oneiric-getdeb apps ** /etc/apt/sources.list.d/getdeb.list.save: # deb http://archive.getdeb.net/ubuntu oneiric-getdeb apps # disabled on upgrade to precise ** /etc/apt/sources.list.d/hotot-team-ppa-oneiric.list: deb http://ppa.launchpad.net/hotot-team/ppa/ubuntu precise main # disabled on upgrade to precise deb-src http://ppa.launchpad.net/hotot-team/ppa/ubuntu precise main # disabled on upgrade to precise ** /etc/apt/sources.list.d/hotot-team-ppa-oneiric.list.distUpgrade: deb http://ppa.launchpad.net/hotot-team/ppa/ubuntu oneiric main deb-src http://ppa.launchpad.net/hotot-team/ppa/ubuntu oneiric main ** /etc/apt/sources.list.d/hotot-team-ppa-oneiric.list.save: deb http://ppa.launchpad.net/hotot-team/ppa/ubuntu precise main # disabled on upgrade to precise deb-src http://ppa.launchpad.net/hotot-team/ppa/ubuntu precise main # disabled on upgrade to precise ** /etc/apt/sources.list.d/iefremov-ppa-precise.list: deb http://ppa.launchpad.net/iefremov/ppa/ubuntu precise main deb-src http://ppa.launchpad.net/iefremov/ppa/ubuntu precise main ** /etc/apt/sources.list.d/iefremov-ppa-precise.list.save: deb http://ppa.launchpad.net/iefremov/ppa/ubuntu precise main deb-src http://ppa.launchpad.net/iefremov/ppa/ubuntu precise main ** /etc/apt/sources.list.d/jockey.list: deb http://www.openprinting.org/download/printdriver/debian/ lsb3.2 main-nonfree # disabled on upgrade to precise ** /etc/apt/sources.list.d/jockey.list.distUpgrade: deb http://www.openprinting.org/download/printdriver/debian/ lsb3.2 main-nonfree ** /etc/apt/sources.list.d/jockey.list.save: deb http://www.openprinting.org/download/printdriver/debian/ lsb3.2 main-nonfree # disabled on upgrade to precise ** /etc/apt/sources.list.d/plexydesk-plexydesk-dailybuild-precise.list: deb http://ppa.launchpad.net/plexydesk/plexydesk-dailybuild/ubuntu precise main deb-src http://ppa.launchpad.net/plexydesk/plexydesk-dailybuild/ubuntu precise main ** /etc/apt/sources.list.d/plexydesk-plexydesk-dailybuild-precise.list.save: deb http://ppa.launchpad.net/plexydesk/plexydesk-dailybuild/ubuntu precise main deb-src http://ppa.launchpad.net/plexydesk/plexydesk-dailybuild/ubuntu precise main ** /etc/apt/sources.list.d/precise-partner.list: deb http://archive.canonical.com/ubuntu precise partner #Added by software-center ** /etc/apt/sources.list.d/precise-partner.list.save: deb http://archive.canonical.com/ubuntu precise partner #Added by software-center ** /etc/apt/sources.list.d/private-ppa.launchpad.net_commercial-ppa-uploaders_crossover-pro_ubuntu.list: # deb https://justin-dormandy:[email protected]/commercial-ppa-uploaders/crossover-pro/ubuntu precise main #Added by software-center disabled on upgrade to precise ** /etc/apt/sources.list.d/private-ppa.launchpad.net_commercial-ppa-uploaders_crossover-pro_ubuntu.list.distUpgrade: cat: /etc/apt/sources.list.d/private-ppa.launchpad.net_commercial-ppa-uploaders_crossover-pro_ubuntu.list.distUpgrade: Permission denied ** /etc/apt/sources.list.d/private-ppa.launchpad.net_commercial-ppa-uploaders_crossover-pro_ubuntu.list.save: cat: /etc/apt/sources.list.d/private-ppa.launchpad.net_commercial-ppa-uploaders_crossover-pro_ubuntu.list.save: Permission denied ** /etc/apt/sources.list.d/screenlets-ppa-precise.list: deb http://ppa.launchpad.net/screenlets/ppa/ubuntu precise main deb-src http://ppa.launchpad.net/screenlets/ppa/ubuntu precise main ** /etc/apt/sources.list.d/screenlets-ppa-precise.list.save: deb http://ppa.launchpad.net/screenlets/ppa/ubuntu precise main deb-src http://ppa.launchpad.net/screenlets/ppa/ubuntu precise main ** /etc/apt/sources.list.d/webupd8team-java-precise.list: deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main ** /etc/apt/sources.list.d/webupd8team-java-precise.list.save: deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main

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