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  • Useful SVN and Git commands – Cheatsheet

    - by Madhan ayyasamy
    The following snippets will helpful one who user version control systems like Git and SVN.svn checkout/co checkout-url – used to pull an SVN tree from the server.svn update/up – Used to update the local copy with the changes made in the repository.svn commit/ci – m “message” filename – Used to commit the changes in a file to repository with a message.svn diff filename – shows up the differences between your current file and what’s there now in the repository.svn revert filename – To overwrite local file with the one in the repository.svn add filename – For adding a file into repository, you should commit your changes then only it will reflect in repository.svn delete filename – For deleting a file from repository, you should commit your changes then only it will reflect in repository.svn move source destination – moves a file from one directory to another or renames a file. It will effect your local copy immediately as well as on the repository after committing.git config – Sets configuration values for your user name, email, file formats and more.git init – Initializes a git repository – creates the initial ‘.git’ directory in a new or in an existing project.git clone – Makes a Git repository copy from a remote source. Also adds the original location as a remote so you can fetch from it again and push to it if you have permissions.git add – Adds files changes in your working directory to your index.git rm – Removes files from your index and your working directory so they will not be tracked.git commit – Takes all of the changes written in the index, creates a new commit object pointing to it and sets the branch to point to that new commit.git status – Shows you the status of files in the index versus the working directory.git branch – Lists existing branches, including remote branches if ‘-a’ is provided. Creates a new branch if a branch name is provided.git checkout – Checks out a different branch – switches branches by updating the index, working tree, and HEAD to reflect the chosen branch.git merge – Merges one or more branches into your current branch and automatically creates a new commit if there are no conflicts.git reset – Resets your index and working directory to the state of your last commit.git tag – Tags a specific commit with a simple, human readable handle that never moves.git pull – Fetches the files from the remote repository and merges it with your local one.git push – Pushes all the modified local objects to the remote repository and advances its branches.git remote – Shows all the remote versions of your repository.git log – Shows a listing of commits on a branch including the corresponding details.git show – Shows information about a git object.git diff – Generates patch files or statistics of differences between paths or files in your git repository, or your index or your working directory.gitk – Graphical Tcl/Tk based interface to a local Git repository.

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  • Update table columns bound to NSArrayController

    - by Loz
    Hi, I'm fairly new to the world of bindings in cocoa, and I'm having some troubles (perhaps/probably due to a misunderstanding). I have a singleton that contains an NSMutableArray called plugins, containing objects of class Plugin. It has a method called loadPlugins which adds objects to the plugins array. This may be called at any point. It's been added as an instance in Interface Builder. Also in IB is an NSObjectController, whose content outlet is connected to the singleton. There is also an NSArrayController, whose contentArray is bound to the NSObjectController (controller key is 'selection', model key path is 'plugins', object class name is 'Plugin'). And finally I have a table view with 2 columns, the values of which are bound to the NSArrayController's arrangedObjects, using keys of properties in the Plugin class. So far so standard (as far as I can tell from tutorials at least). My trouble is that when the loadPlugins method is called in the singleton, and objects are added to the plugins array, the table doesn't update to show the objects (unless loadPlugins is called before the nib is loaded). -reloadData called on the tableView doesn't do anything. Is there a way to tell the NSArrayController that the referenced array has been updated? I understand there is the -add: method for NSArrayController, which could be used in the loadPlugins, but this isn't desirable as I want to keep the singleton totally separate from the display aspect. This seems related to: http://stackoverflow.com/questions/1623396/refresh-cocoa-binding-nsarraycontroller-combobox The line: "editing the array behind the controller's back" seems to perhaps pinpoint the problem, but I would hope that it would be possible to have the singleton not know about the controller. Thanks in advance.

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  • What do you need to implement to provide a Content Set for an NSArrayController?

    - by whuuh
    Heys, I am writing something in Xcode. I use Core Data for persistency and link the view and the model together with Cocoa Bindings; pretty much your ordinary Core Data application. I have an array controller (NSArrayController) in my Xib. This has its managedObjectContext bound to the AppDelegate, as is convention, and tracks an entity. So far so good. Now, the "Content Set" biding of this NSArrayController limits its content set (as you'd expect), by a keyPath from the selection in another NSArrayController (otherAc.selection.detailsOfMaster). This is the usual way to implement a Master-Detail relationship. I want to variably change the key path at runtime, using other controls. This way, I sould return a content set that includes several other content sets, which is all advanced and beyond Interface Builder. To achieve this, I think I should bind the Content Set to my AppDelegate instead. I have tried to do this, but don't know what methods to implement. If I just create the KVC methods (objectSet, setObjectSet), then I can provide a Content Set for the Array Controller in the contentSet method. However, I don't think I'm binding this properly, because it doesn't "refresh". I'm new to binding; what do I need to implement to properly update the Content Set when other things, like the selection in the master NSArrayController, changes?

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  • Legality Of Re-Implementing An Existing API (e.g. GNU implementing the UNIX APIs)

    - by splicer
    I've often wondered about this. I'm not looking for legal advice, just casual opinions ;) If some company publishes an API on the web for their closed-source library, would it be legal for another party to release an open-source implementation of that API? Are function declarations considered source code? Take GNU implementing the UNIX APIs, for example. The UNIX standard gives the following function declaration and defines its required behaviour in English: char * mktemp(char *template); Now, consider an API that lists and declares and describes several thousand (more much complex) functions, enums, etc.; an API which defines a solution to a non-trival set of problems. If an open-source project publishes C headers that copy (verbatim) the function definitions contained in the closed-source company's published API, doesn't that violate some sort copyright law?

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  • NotApplicable marker with display pattern

    - by Jeff Barger
    Ok, so I'm pretty new to Cocoa, especially Bindings, but here's what I'm trying to do. I've got a Core Data model consisting of two entities: Category and Item. Category has a to-many relationship to Item called children, and Item has a relationship to Category called parent. Item has two attributes that Category does not have: quantity and desiredQuantity. What I'd like to do is display the tree in an NSOutlineView with two columns. One column is bound to the name of either the Category or the Item. I want to the second column to display something along the lines of 2 of 5 for the Item rows and nothing at all for the Category rows. When I use a display pattern, the Category rows end up showing of I noticed that if I don't use a display pattern for the second column, and instead just bind its Value to either the quantity or the desiredQuantity, the Category rows show nothing; its only if I try to use the display pattern. How can I make it display nothing for the Category rows and still use the display pattern? Or can I? Edit: I guess I didn't explain what the NotApplicable marker has to do with anything - Category does have properties for quantity and desiredQuantity, but they just return NSNotApplicableMarker.

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  • JRockit R28/JRockit Mission Control 4.0 is out!

    - by Marcus Hirt
    The next major release of JRockit is finally out! Here are some highlights: Includes the all new JRockit Flight Recorder – supersedes the old JRockit Runtime Analyser. The new flight recorder is inspired by the “black box” in airplanes. It uses a highly efficient recording engine and thread local buffers to capture data about the runtime and the application running in the JVM. It can be configured to always be on, so that whenever anything “interesting” happens, data can be dumped for some time back. Think of it as your own personal profiling time machine. Automatic shortest path calculation in Memleak – no longer any need for running around in circles when trying to find your way back to a thread root from an instance. Memleak can now show class loader related information and split graphs on a per class loader basis. More easily configured JMX agent – default port for both RMI Registry and RMI Server can be configured, and is by default the same, allowing easier configuration of firewalls. Up to 64 GB (was 4GB) compressed references. Per thread allocation profiling in the Management Console. Native Memory Tracking – it is now possible to track native memory allocations with very high resolution. The information can either be accessed using JRCMD, or the dedicated Native Memory Tracking experimental plug-in for the Management Console (alas only available for the upcoming 4.0.1 release). JRockit can now produce heap dumps in HPROF format. Cooperative suspension – JRockit is no longer using system signals for stopping threads, which could lead to hangs if signals were lost or blocked (for example bad NFS shares). Now threads check periodically to see if they are suspended. VPAT/Section 508 compliant JRMC – greatly improved keyboard navigation and screen reader support. See New and Noteworthy for more information. JRockit Mission Control 4.0.0 can be downloaded from here: http://www.oracle.com/technology/software/products/jrockit/index.html <shameless ad> There is even a book to go with JRMC 4.0.0/JRockit R28! http://www.packtpub.com/oracle-jrockit-the-definitive-guide/book/ </shameless ad>

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  • Control Your Favorite Music Player from Firefox

    - by Asian Angel
    Do you love listening to music while you browse? Now you can access and control your favorite music player directly from Firefox with the FoxyTunes extension. FoxyTunes in Action Once you have installed the extension and restarted Firefox you will see the FoxyTunes Toolbar located in the “Status Bar”. The default media app is Windows Media Player but can be easily changed. Here are the buttons/items available with the default settings: Search, FoxyTunes Main Menu, Show Player, Select Player, Previous Track, Play, Next Track, Mute On/Off, Volume, Play File, Twitty Tunes, Foxy Tunes Search/Explore, Open FoxyTunes Planet, & Toggle Visibility/Drag and drop to move. Note: You can hide or show individual buttons/items using the “FoxyTunes Menus”. Curious about the media players that FoxyTunes works with? Here is a complete listing…that definitely looks terrific! Notice that the currently selected media app is “bold and blue”. For our example we chose Spotify which we have previously covered. Keep in mind that you may or may not need to have your favorite media app open prior to “starting” FoxyTunes up (i.e. Play Button). Here is a good look at the “FoxyTunes Main Menu” and “Controls Sub-Menu”. The “Extras Menu”…if you click on skins you will be taken to the FoxyTunes Skins webpage. Here is a closer look into the “Configurations Menu” and one of the sub-menus. You do not need to look for options in the “Add-ons Manager Window”…everything you need is contained in these menus. If you do not like having FoxyTunes in the “Status Bar” you can easily drag and drop it to another toolbar. You can also condense the appearance of FoxyTunes using the small “triangle buttons” that are located in different spots throughout the “FoxyTunes Toolbar”. With just a click or two you can greatly reduce its’ impact on your UI. Conclusion If you love listening to music while browsing then the FoxyTunes extension will let you take care of everything right from your browser. Links Download the FoxyTunes extension (Mozilla Add-ons) Download the FoxyTunes extension (Extension Homepage) *Note: FoxyTunes add-ins for Internet Explorer and Yahoo! Messenger available here. Similar Articles Productive Geek Tips Fixing When Windows Media Player Library Won’t Let You Add Files5 Awesome Music Desktop Gadgets for Vista and Windows 7Make Windows Media Player Automatically Open in Mini Player ModeSearch for Install Packages from the Ubuntu Command LineInstalling Windows Media Player Plugin for Firefox TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Case Study – How to Optimize Popular Wordpress Sites Restore Hidden Updates in Windows 7 & Vista Iceland an Insurance Job? Find Downloads and Add-ins for Outlook Recycle ! Find That Elusive Icon with FindIcons

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  • Who should control navigation in an MVVM application?

    - by SonOfPirate
    Example #1: I have a view displayed in my MVVM application (let's use Silverlight for the purposes of the discussion) and I click on a button that should take me to a new page. Example #2: That same view has another button that, when clicked, should open up a details view in a child window (dialog). We know that there will be Command objects exposed by our ViewModel bound to the buttons with methods that respond to the user's click. But, what then? How do we complete the action? Even if we use a so-called NavigationService, what are we telling it? To be more specific, in a traditional View-first model (like URL-based navigation schemes such as on the web or the SL built-in navigation framework) the Command objects would have to know what View to display next. That seems to cross the line when it comes to the separation of concerns promoted by the pattern. On the other hand, if the button wasn't wired to a Command object and behaved like a hyperlink, the navigation rules could be defined in the markup. But do we want the Views to control application flow and isn't navigation just another type of business logic? (I can say yes in some cases and no in others.) To me, the utopian implementation of the MVVM pattern (and I've heard others profess this) would be to have the ViewModel wired in such a way that the application can run headless (i.e. no Views). This provides the most surface area for code-based testing and makes the Views a true skin on the application. And my ViewModel shouldn't care if it displayed in the main window, a floating panel or a child window, should it? According to this apprach, it is up to some other mechanism at runtime to 'bind' what View should be displayed for each ViewModel. But what if we want to share a View with multiple ViewModels or vice versa? So given the need to manage the View-ViewModel relationship so we know what to display when along with the need to navigate between views, including displaying child windows / dialogs, how do we truly accomplish this in the MVVM pattern?

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  • Nginx1.6.1: Installing from source not running corectly

    - by Maca
    I just installed Nginx 1.6.1 from source but it didn't seem to installed correctly. Nginx is running if I service nginx status but when I do nginx -v it outputs command not found. Regular HTML page shows fine and there is no error in the error logs. I am on AWS Ec2 linux AMI. Here is my /etc/init.d/nginx script #!/bin/sh # # nginx - this script starts and stops the nginx daemon # # chkconfig: - 85 15 # description: Nginx is an HTTP(S) server, HTTP(S) reverse \ # proxy and IMAP/POP3 proxy server # processname: nginx # config: /etc/nginx/nginx.conf # config: /etc/sysconfig/nginx # pidfile: /usr/local/nginx/logs/nginx.pid # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ "$NETWORKING" = "no" ] && exit 0 nginx="/usr/local/nginx/sbin/nginx" prog=$(basename $nginx) NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf" [ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx lockfile=/usr/local/nginx/logs/nginx.lock make_dirs() { # make required directories user=`nginx -V 2>&1 | grep "configure arguments:" | sed 's/[^*]*--user=\([^ ]*\).*/\1/g' -` options=`$nginx -V 2>&1 | grep 'configure arguments:'` for opt in $options; do if [ `echo $opt | grep '.*-temp-path'` ]; then value=`echo $opt | cut -d "=" -f 2` if [ ! -d "$value" ]; then # echo "creating" $value mkdir -p $value && chown -R $user $value fi fi done } start() { [ -x $nginx ] || exit 5 [ -f $NGINX_CONF_FILE ] || exit 6 make_dirs echo -n $"Starting $prog: " daemon $nginx -c $NGINX_CONF_FILE retval=$? echo [ $retval -eq 0 ] && touch $lockfile return $retval } stop() { echo -n $"Stopping $prog: " killproc $prog -QUIT retval=$? echo [ $retval -eq 0 ] && rm -f $lockfile return $retval } restart() { configtest || return $? stop sleep 1 start } reload() { configtest || return $? echo -n $"Reloading $prog: " killproc $nginx -HUP RETVAL=$? echo } force_reload() { restart } configtest() { $nginx -t -c $NGINX_CONF_FILE } rh_status() { status $prog } rh_status_q() { rh_status >/dev/null 2>&1 } case "$1" in start) rh_status_q && exit 0 $1 ;; stop) rh_status_q || exit 0 $1 ;; restart|configtest) $1 ;; reload) rh_status_q || exit 7 $1 ;; force-reload) force_reload ;; status) rh_status ;; condrestart|try-restart) rh_status_q || exit 0 ;; *) echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}" exit 2 esac

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  • Installing Xen 4.0.1 from Source on Ubuntu 10.10

    - by markus
    I'm trying to install Xen 4.0.1 from Source on Ubuntu 10.10 Server Edition. I started with a clean machine and followed the instructions from https://help.ubuntu.com/community/Xen. So I installed the packages mentioned there with: sudo apt-get install gettext bin86 bcc libc6-dev-i386 iasl texinfo git When making the source with make world I get this error: + git clone -o xen -n git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-pvops.git.tmp Initialized empty Git repository in /home/homer/xen/linux-2.6-pvops.git.tmp/.git/ remote: Counting objects: 1855434, done. remote: Compressing objects: 100% (291939/291939), done. Receiving objects: 100% (1855434/1855434), 368.49 MiB | 11.00 MiB/s, done. remote: Total 1855434 (delta 1553214), reused 1847760 (delta 1546656) Resolving deltas: 100% (1553214/1553214), done. + cd linux-2.6-pvops.git.tmp + git checkout -b xen/stable-2.6.32.x xen/xen/stable-2.6.32.x fatal: git checkout: branch xen/stable-2.6.32.x already exists make[3]: *** [linux-2.6-pvops.git/.valid-src] Error 128 Does anybody have an idea what i can do?

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  • AWS EC2 security group source

    - by greener
    I'm currently trying to configure a security group and allow MS SQL connections from my other instance. I want to be able to specify the security group's name as the source. But the connection is not going through. The instance's firewall has a rule to allow connections on the port. In fact, if I specify the IP of the machine as the source, it works. Just not the security group name. There are two other rules for the same port and they're for specific IPs only. What am I doing wrong?

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  • Building php-devel package from source (php 5.3)

    - by BajaBob
    I am building PHP 5.3 rpm packages for our custom CentOS 5 yum repo. I am fairly new to building rpms to be honest, but I have had moderate success downloading the SRPMS for a given package and repackaging them using "rpmbuild --rebuild" command. One thing that is throwing me off though is how to satisfy the php-devel package.. I obviously have the PHP 5.3 source files as I was able to build my php-common and other packages with it. But I am not sure how to actually build the devel package! From what I understand, I already have most of what I need - the latest php 5.3.5 source tarball. However I am not sure how to build the correct .spec file to satisfy what I need. If you are knowledgeable in this area, would you mind helping a fellow sysadmin out? Sharing a spec file or at least giving me some pointers on how to approach it. Thanks much serverfault community! -BajaBob

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  • Load balancing SMTP in a way that doesn't hide the source IP address

    - by makerofthings7
    I need to load balance SMTP to handle some applications that don't know how to use MX records. I set up a Netscaler using the TCP option on port 25 and now Exchange sees the source IP as that of the DMZ of the Netscaler for every connection, not the client. Obviously this prevents RBLs, Whitelists, and all other IP-based reputation to fail. It also make it impossible to whitelist a trusted IP for anonymous relay. Question How should I configure the NetScaler (or Windows Load Balancing) so that I can allow load balancing yet still maintain visibility of the source IP?

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  • Bootstrap a debian build environment and build source packages with no root privileges

    - by Erwan Queffélec
    On debian squeeze, I am trying to do the following : fetch sources package from the wheezy source repository bootstrap a squeeze chroot for several architectures build the packages for several architectures (i386, amd64 + all and any) I want both the fetching, bootstrapping and build operation to be scriptable, repeatable, and run as a normal user. For the environment setup, I want to make as little use of the root account as possible (install the necessary dependencies, and maybe some visudo stuff). If possible I would like to avoid using a VM (pbuilder with user mode linux) So far I have tried several things with pbuilder (require root), debootstrap (require root) with little success. Here is an example script of what I want to do (does not work): #/bin/bash set -e set -x this=`readlink -f $0` this_dir=`dirname $this` archs='i386 amd64 any all' pushd $this_dir/src # I actually want the following line to work with a repo that # is not in /etc/apt/sources.list but that is another question apt-get source cyrus-imapd-2.4 popd for arch in $archs do build_dir=$this_dir/build/$arch/ pbuilder --create --configfile $build_dir/pbuilderrc --buildresult $build_dir/ pbuilder --build --configfile $build_dir/pbuilderrc --buildresult \ $build_dir/ $this_dir/src/*.dsc # of course I want to use the .dput.cf in /home/myuser/ # and not in /root/ dput $build_dir/$arch/*.changes done

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  • socat and rich terminals (with Ctrl+C/Ctrl+Z/Ctrl+D propogation)

    - by Vi
    socat - exec:'bash -li',pty,stderr,ctty - bash: no job control in this shell What options should I use to get fully fledged shell as I get with ssh/sshd? I want be able to connect the shell to everything socat can handle (socks5, udp, openssl), but also to have a nice shell which correctly interprets all keys, various Ctrl+C/Ctrl+Z and jobs control. Update: Found "setsid" socat option. It fixes "no job control". Now trying to fix Ctrl+D.

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  • Get source and destination of outbound traffic in pfSense

    - by maxsilver
    I'm looking at the traffic graph in pfSense (Version 1.2.2), which we're using as a router / NAT / ect on our network. Recently, I'm seeing a sudden, constant spike of 15 - 30kbps traffic outbound, that is unusual for our network (normally its below 2kbps, we're mostly all inbound traffic) Is there any way to determine what the source of this traffic is, or where it's going? (Just an internal IP address for source, and external IP address for destination would be all I need) I've already tried switching the traffic graph to 'LAN' and watching the host list on the right side, but it seems ... flakey. The numbers it shows seem to fade in and out at random, and the values never add up to anywhere near the graph values. I'm not allowed to post the image, but a photo is available at - http://imgur.com/QYjKI.png

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  • Apt-Get "sources.list needs at least 1 source-URI" error when building dependecies for Xen

    - by Entity_Razer
    What i'm trying to do is install Xen in a test environment, now I am trying to run the: apt-get build-dep xen-3.3 command, but it keep throwing a error which literally translated from dutch (installed the debian OS in Dutch) say's: E: your sourcelist (/etc/apt/sources.list) has to contain at least 1 source-URI I've googled it but I can't seem to find a definitive solid answer on how to fix this. By default a source-URI (read man page of apt-get) states it needs to be something along the lines of deb ftp://ftp.debian.org/debian stable contrib Now I've got 2 HTTP sources (default Debian ones) up & running so far and they've been working flawlessly for the better part of a few days now. Only now its starting to act up. Anyone able to help me out ? Much obliged !

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  • What is AddType application/x-httpd-php-source

    - by egor
    I have the apache2.0, PHP5.2.4 and the directive in the httpd.conf: AddType application/x-httpd-php-source .php .php3 .php4 .php5 .php6 AddType directive is used to maps the given filename extensions onto the specified content type. This is the only meaning of this directive. But why does this method switch off PHP handler, that assigned .php extensions, and I can view source code of scripts in my browser? And another: AddType application/x-httpd-php5 .php Why does this method switch on PHP handler? This simply must send header "Content-Type: application/x-httpd-php5" to my browser and this must be only meaning of directive AddType from mod_mime. I'm confused. Thanks for your replies.

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  • VMWare tools on Ubuntu Server 10.10 kernel source problem

    - by Hamid Elaosta
    After install and running the vm-ware config, the config needs my kernel headers to compile some modules, ok, so I'll give it them, but it just won't work. It asks for the path of the directory of C header files that match my running kernel. If I uname -r I get 2.6.35-22-generic-pae So I tell it the source path is /lib/modules/2.6.25-22-generic-pae/build/include and it returns "The directory of kernel headers (version @@VMWARE@@ UTS_RELEASE) does not match your running kernel (version 2.6.35-22-generic-pae). ..I'm confused? can anyone offer suggestions please? I installed hte kernel source andh eaders myself using sudo apt-get install linux-headers-$(uname -r)

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  • Puppet: Conditional file source based on naming convention

    - by thinice
    I'm getting the ball rolling on puppet for my environment - and I'd like to have a conditional file resource based on whether or not the module itself contains a file based on a naming convention. So visually, assume a module named 'mysql' and it's layout: mysql/ /files /etc/ my.cnf my.hostname1.cnf my.hostname2.cnf /manifests init.pp ... So I'd like the block to verify if the resource for the module exists or not, and take action accordingly, in pseudo-terms: file { '/etc/my.cnf': if -f 'puppet:///mysql/etc/my.$hostname.cnf' { source => 'puppet:///mysql/etc/my.$hostname.cnf' } else { source => 'puppet:///mysql/etc/my.cnf' } } This way one wouldn't have to manage a csv file or the .pp file with a host specific case statement - is this possible?

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  • How to Configure Source NAT (Private IP => Public IP Outbound)

    - by DavidScherer
    I'm running VMWare ESXi Free and have Zentyal SBS 3.2 running as a Gateway. I have 5 Public IPS (CIDR/29, let's call them 69.1.1.1 - 69.1.1.5) and currently Zentyal is bound to 69.1.1.1 as the Gateway, with the other 4 Public IPs set as Virtual Interfaces in Zentyal (wan2-wan5) I have machines sitting on the Private Network (10.34.251.x) that, when going Outbound (to Google for instance) should be seen by the Internet as an IP other than the Gateway (69.1.1.1), this is because our machines need to be able to communicate with 3rd party APIs that expect these requests to come from a specific IP. From what I could find, SNAT (Source NAT) in Zentyal is used to achieve this, but I'm not sure how to configure it and cannot find a specific piece of Documentation for it at Zentyal. I've tried setting this up a couple different ways, with no results and at this point I have no idea if I'm going about this completely wrong, or my lack of experience with networking and the associated terminology is preventing me from placing the correct values in the correct fields. I get the following form to set up "SNAT" rules in Zentyal: Perhaps someone can offer some guidance and definitions for the fields above? SNAT Address Is this the Public IP I want to masquerade? Outgoing Interface Should this by my External NIC (one connected to Public 'Net), or is it the "Private" interface? It sounds as though this should be the External interface as I want the traffic from the internal network sent Out over this Interface (using a different IP than normal, anyway) Source Is the the Source on the internal network (one of the private IPs?), a public IP I want to masquerade as, or something else entirely? Destination Is this a place on the Internet (eg, "Only do this for the Site Google.com"/IP) or am I allowing myself to become confused again? Service I'm assuming this allows me to restrict which services this rule will apply to, but is it for a service on the internal network or a service being accessed on the external network? If I can offer any further details or information to make what I'm trying to do more clear, I will happily do so. Honestly any kind of help here would be very appreciated. I'm not a NetOps or anything even close, I spend most of my day writing code and my entire "team" at this company consists of "me, myself, and I" so while I try to broaden my KB at every possible opportunity, I can only learn so much, so fast and I feel like with networking especially there's just so much, coupled with a learning curve for each solution that likes to (from my limited perspective) use slightly different terminology that what I'm used to (and I don't exactly have the necessary experience to cross reference this stuff with the stuff I already know in context).

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  • VMWare tools on Ubuntu Server 10.10 kernel source problem

    - by Hamid Elaosta
    After install and running the vm-ware config, the config needs my kernel headers to compile some modules, ok, so I'll give it them, but it just won't work. It asks for the path of the directory of C header files that match my running kernel. If I uname -r I get 2.6.35-22-generic-pae So I tell it the source path is /lib/modules/2.6.25-22-generic-pae/build/include and it returns "The directory of kernel headers (version @@VMWARE@@ UTS_RELEASE) does not match your running kernel (version 2.6.35-22-generic-pae). ..I'm confused? can anyone offer suggestions please? I installed hte kernel source andh eaders myself using sudo apt-get install linux-headers-$(uname -r)

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  • Unusable Source for Ubuntu image on Xen 3

    - by Roberto Aloi
    Hi all, I'm trying to create a new VM in Xen 3, running Ubuntu 10.4 (32 bit) as the guest OS. Xen 3 is installed on a machine running OpenSuse 11.2. I downloaded the Ubuntu image from the ubuntu.com website and I mounted it on /dev/loop0. When I try to create the new VM in Xen with the given source, Xen complains the "source is unusable". I've also checked the md5 sum for the image. It's fine. Any suggestion or hint that could help me?

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