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• Automatically locking screen without shutting it off

  - by milkandtang

  Hey everyone— I have a home theater PC running Ubuntu 11.10, outputting over HDMI (for audio and video). I'm having an issue: I'd like the screen to lock automatically (when video is not playing, of course) but do not want the screen to turn off automatically, because that kills audio. I can manually lock the screen, of course, but it appears that if you set the "Turn off screen" setting to "never", the screen will never lock, no matter what the "lock screen" timeout is set to. Is there a way to do what I'm asking, or will I have to install xscreensaver?

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• How to reverse file ownership and permission settings

  - by pandisvezia

  I installed LAMP and WordPress on my system a week ago. Since I couldn't create Child Themes in WordPress and work with PHP folders for my other projects collocated in var/www without using Nautilus I wanted to solve the permissions issue. I hoped to bring a solution carrying out the commands on this page for my WordPress folder: http://wiki.apache.org/httpd/FileSystemPermissions. This allowed me to play with any file in the folder like creating and modifying .css files through WP Admin, etc. But after a restart I discovered that I can't change DNS settings of my network connections in the list anymore because it is asking me the root password and even though I enter the password it doesn't let me do the action giving "insufficient privileges" error. Can you help me correct the mistake I possibily made during the configuration and, maybe, configure again the permission and ownership settings for var/www/somefolder as it is adviced to be configured under general circumstances? Thanks in advance!

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• Recovering problems

  - by Sova

  Just simple question(s): Is it possible to recover one whole folder? It was with photos..and if no, so when recovering, will it recover also files from the folder? (I use Photorec, but if you know better one..). I tried to get back my pics and what has returned wasn't from folder. ? And..is it normal, that it has recovered me the same things for about 5 times, with different size? Thanks in advance.

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• ZionTech blogging about integration of OUD and EUS

  - by Sylvain Duloutre

  Here are good posts about OUD and EUS integration : http://ziontech.com/blog/integrating-oud-and-eus/ EUS OUD related posts as of now are here: http://ziontech.com/blog/preparing_database/ http://ziontech.com/blog/integrating-oud-eus-users-groups-mapping/ http://ziontech.com/blog/integrating-oud-eus-oudproxy/ http://ziontech.com/blog/integrating-oud-eus-troubleshooting/

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• /dev/sda2 contains a filesystem with error after partitioning

  - by Private

  I just wanted to create a separate home partition on my Ubuntu 12.10 system. I booted the liveDVD, resized the sda2 partition (28gb of data resized to 30gb based on MiB [originally on a 100gb partition]) and made a new ext4 partition for the home folder. The drive is an SSD drive. I had changed the settings (noatime etc.) for SSD succesfully a week ago. On reboot I get the following error: /dev/sda2 contains a filesystem with errors Inode 74669 has an invalid extent node (blk 6881289) fsd / [953] terminated with status 4 What would you suggest me to do? If I can avoid a clean install that would save me a lot of time (I had just done all the config). I was following this HOWTO, but I did not get to changing any of the files or configs other than those with gparted. I have a (two-week old) SSD Samsung drive which is functioning just fine (other specs see bottom of this question). Other specs: 64bit 12.10, i7, 8gb ram, nvidia.

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• Which Folders To Include In backup?

  - by Jason

  I'm quite new to Ubuntu and want to create a backup. I'm really not sure what files and folders to include so that if I restore my system it will be as it is now. I can't seem to find good details of this anywhere. Hopefully someone could help me with this. Is it possible to backup everything as it is now so in the event of a system restore I don't have to reinstall programs and settings? Thanks, Jason

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• Terminal doesn't see Windows filesystem until I open in Home Folder GUI

  - by yeenow123

  I'm currently dual-booting Windows 7 and Ubuntu. When I try to access my Windows HD through the terminal I can't find it. However, I used the Home Folder application to see where those drives/folders were. And after I clicked into it in the Home Folder, I looked again at the same folder in the terminal and it appeared. Is there a reason for this and how can I set it so I always can see those folders?

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• Ubuntu 12.04 External HD Issues

  - by Anthie Georgiadi

  I am experiencing one more problem with my Ubuntu 12.04... I have an External HD (500GB) which is NTFS formatted. I connected this HD on my Ubuntu 12.04 and copied some files. When I connected the HD on a Windows 7 machine I could find the folders (the were visible) but I wasn't able to copy/cut/delete them. However when I opened the folders I could handle the material (mp3s) in them. Does anybody know how can I fix this? How can I fully access and modify folders copied from Ubuntu via a Windows machine? Thanks in advance!

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• Installing Ubuntu 12.10 with encrypted root and encrypted /home on separate partition

  - by peterrus

  Is it possible to have Ubuntu 12.10 with an encrypted root partition and an encrypted home partition (using preferably the same encryption mechanism)? This question is somewhat the same: How do I install Ubuntu with encrypted root, home, and swap partitions? But is not answered. As I am using a dualboot setup I can not use the automatic partitioner (which doesn't support your /home on a separate disk/partition anyway). So I would have to configure some things manually. How would I do this?

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• re-partition new drive and use new partition as 'home'

  - by vector

  Linux noob here. I installed Ubuntu 12.04 on a brand new drive (dual boot with windows on another drive) and re-partitioned it afterwards (with gparted off of live cd) like so (sudo fdisk -l) : Device Boot Start End Blocks Id System /dev/sdb1 * 2048 63735807 31866880 83 Linux /dev/sdb2 1448509438 1465147391 8318977 5 Extended Partition 2 does not start on physical sector boundary. /dev/sdb3 63735808 1448507391 692385792 83 Linux /dev/sdb5 1448509440 1465147391 8318976 82 Linux swap / Solaris I'd like to use sdb3 as default home for all work and fun related program installs and files, but I haven't even gotten as far as changing permissions on it. Any help will be most appreciated.

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• How can I change a folder's icon by using a script?

  - by Usul Muhadiv

  I have in my Profile folder "Home" some specials folders as "Wallpapers", "TXT", etc. and y use for those an personalized icon, the problem is that any time I reinstall Ubuntu, I have to assign again the icon to that particular folder, and with the years an the installs the number of folders are increasing. So I need a automatic way to assign those custom icons to those special folders, Its any way to do that? PS: I hope somebody could help me. Regards Muhadiv

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• Keeping local folders synchronized

  - by Earthling

  After repeatedly losing data on encrypted drives due to some trivial combination of software and hardware failure, I would like to know if there is a simple tool that keeps local folders synchronized. Like a local "cloud" service that runs on one computer and synchronizes any changes in one folder to the other folder as soon as both folders are available. That way I can keep a copy of the most important files on a different hard-drive.

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• nautilus will not start, no right click menu, apps will not run due to 64bit libicui18n.so.48 overwritten with 32bit, ubuntu 12.04

  - by Dewb

  yeah so i broke my system trying to install support for 32bit apps. Somehow the 32bit set of libicu*.so.48 files replaced my 64bit files and now nothing works. I know what the problem is and how to fix it , what i need is some help. I need some kind soul running a 64bit install of Ubuntu 12.04 to simply go into their /usr/lib dir and copy the files that have the form libicu*.so.48* (8 of them i think, maybe 16 i dunno how many there is supposed to be since they were overwritten). Anyway if you could put those files in an archive, zip or tar preferred and then email/share the link. I was able to get these files installed but they're from the latest edition of fedora and while i can now use my computer , it's not that stable things don't start right smoothly every time like they used to .... and well its a simple ordeal to put things back the way they were if someone wouldn't mind helping out. also any help setting up the libraries related to 32bit apps would be great as well as i apparently screwed that up royally. Thanks for any help or advice

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• How to restore "working folders" upon restart?

  - by Smiles in a Jar

  I am not sure I am working the problem correctly but I will try my best. I am newbie to ubuntu and I am using Ubuntu 11.10. On a daily basis but I have a set of 5-10 folders which I need to refer for my work. I am looking for a way if I can create a "workspace" of these folders so that upon restart in a single click all the folders in the workspace can be opened in different tabs. Another option that I right now plan to use us create links of the folders and then select all of them and open in different tabs. Was wondering if there is a cleaner option already provided in ubuntu.

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• Setting folder permission so it isn't deletable, but everything else is allowed

  - by user10324

  I want to set permissions to a folder such that, when I'm normally logged in (meaning not as root), this folder isn't deletable, but I can still change the name of this folder and move in around in my system ? IS this possible and if yes, how to set the permission ? I already tried different combinations for the permissions but couldn't figure out how to do it. Also (side question), if some folder hast some permission set and I copy this folder, along with its contents (assuming I am allowed to read it) to a memory, are these permission preserved ? I suppose not, since under Windows I could delete the folder on the stick, even if under Ubuntu it isn't allowed to delete it...

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• Clean install with home folder and multiple users

  - by haydoni

  I had reformatted my system (unfortunately an update failed) and had my home folder on a separate partition. Thankfully I still have all of my users files (in their respective folders), but there was no option to use this on install (since my update had failed...). How can I recreate the old users with their previous home directories? (Are there problems with user permissions with just dragging and dropping the entire contents of folders?)

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• Unable to generate a temporary class (result=1).\r\nerror CS0030:- c#

  - by ltech

  Running XSD.exe on my xml to generate C# class. All works well except on this property public DocumentATTRIBUTES[][] Document { get { return this.documentField; } set { this.documentField = value; } } I want to try and use CollectionBase, and this was my attempt public DocumentATTRIBUTESCollection Document { get { return this.documentField; } set { this.documentField = value; } } /// <remarks/> [System.SerializableAttribute()] [System.Diagnostics.DebuggerStepThroughAttribute()] [System.ComponentModel.DesignerCategoryAttribute("code")] [System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)] public partial class DocumentATTRIBUTES { private string _author; private string _maxVersions; private string _summary; /// <remarks/> [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified)] public string author { get { return _author; } set { _author = value; } } /// <remarks/> [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified)] public string max_versions { get { return _maxVersions; } set { _maxVersions = value; } } /// <remarks/> [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified)] public string summary { get { return _summary; } set { _summary = value; } } } public class DocumentAttributeCollection : System.Collections.CollectionBase { public DocumentAttributeCollection() : base() { } public DocumentATTRIBUTES this[int index] { get { return (DocumentATTRIBUTES)this.InnerList[index]; } } public void Insert(int index, DocumentATTRIBUTES value) { this.InnerList.Insert(index, value); } public int Add(DocumentATTRIBUTES value) { return (this.InnerList.Add(value)); } } However when I try to serialize my object using XmlSerializer serializer = new XmlSerializer(typeof(DocumentMetaData)); I get the error: {"Unable to generate a temporary class (result=1).\r\nerror CS0030: Cannot convert type 'DocumentATTRIBUTES' to 'DocumentAttributeCollection'\r\nerror CS1502: The best overloaded method match for 'DocumentAttributeCollection.Add(DocumentATTRIBUTES)' has some invalid arguments\r\nerror CS1503: Argument '1': cannot convert from 'DocumentAttributeCollection' to 'DocumentATTRIBUTES'\r\n"}

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• Temporary non-const istream reference in constructor (C++)

  - by Christopher Bruns

  It seems that a constructor that takes a non-const reference to an istream cannot be constructed with a temporary value in C++. #include <iostream> #include <sstream> using namespace std; class Bar { public: explicit Bar(std::istream& is) {} }; int main() { istringstream stream1("bar1"); Bar bar1(stream1); // OK on all platforms // compile error on linux, Mac gcc; OK on Windows MSVC Bar bar2(istringstream("bar2")); return 0; } This compiles fine with MSVC, but not with gcc. Using gcc I get a compile error: g++ test.cpp -o test test.cpp: In function ‘int main()’: test.cpp:18: error: no matching function for call to ‘Bar::Bar(std::istringstream)’ test.cpp:9: note: candidates are: Bar::Bar(std::istream&) test.cpp:7: note: Bar::Bar(const Bar&) Is there something philosophically wrong with the second way (bar2) of constructing a Bar object? It looks nicer to me, and does not require that stream1 variable that is only needed for a moment.

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• Unable to rename file with c# ftp methods when current user directory is different from root

  - by Agata

  Hello everyone, Remark: due to spam prevention mechanizm I was forced to replace the beginning of the Uris from ftp:// to ftp. I've got following problem. I have to upload file with C# ftp method and afterwards rename it. Easy, right? :) Ok, let's say my ftp host is like this: ftp.contoso.com and after logging in, current directory is set to: users/name So, what I'm trying to achieve is to log in, upload file to current directory as file.ext.tmp and after upload is successful, rename the file to file.ext The whole difficulty is, as I guess, to properly set the request Uri for FtpWebRequest. MSDN states: The URI may be relative or absolute. If the URI is of the form "ftp://contoso.com/%2fpath" (%2f is an escaped '/'), then the URI is absolute, and the current directory is /path. If, however, the URI is of the form "ftp://contoso.com/path", first the .NET Framework logs into the FTP server (using the user name and password set by the Credentials property), then the current directory is set to UserLoginDirectory/path. Ok, so I upload file with the following URI: ftp.contoso.com/file.ext.tmp Great, the file lands where I wanted it to be: in directory "users/name" Now, I want to rename the file, so I create web request with following Uri: ftp.contoso.com/file.ext.tmp and specify rename to parameter as: file.ext and this gives me 550 error: file not found, no permissions, etc. I traced this in Microsoft Network Monitor and it gave me: Command: RNFR, Rename from CommandParameter: /file.ext.tmp Ftp: Response to Port 53724, '550 File /file.ext.tmp not found' as if it was looking for the file in the root directory - not in the current directory. I renamed the file manually using Total Commander and the only difference was that CommandParameter was without the first slash: CommandParameter: file.ext.tmp I'm able to successfully rename the file by supplying following absolute URI: ftp.contoso.com/%2fusers/%2fname/file.ext.tmp but I don't like this approach, since I would have to know the name of current user's directory. It can probably be done by using WebRequestMethods.Ftp.PrintWorkingDirectory, but it adds extra complexity (calling this method to retrieve directory name, then combining the paths to form proper URI). What I don't understand is why the URI ftp.contoso.com/file.ext.tmp is good for upload and not for rename? Am I missing something here? The project is set to .NET 4.0, coded in Visual Studio 2010.

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• How to get SVN to ignore a directory inside an externals definition

  - by NerdStarGamer

  I'm using subversion to host my own repository for a WordPress installation. I've got it set up so that all of the core WordPress files are in their own directory (called wordpress) and set up to use svn:externals to link to the WordPress repository. I then have my own copy of the wp-content directory (located outside of the wordpress directory) which does not use svn:externals. This is all working fine. When I update my repository, the WordPress core gets updated. Since the WordPress repository contains it's own wp-content directory, it also updates that directory. So my file structure ends up looking something like this: / --/wordpress/ (wordpress repo) -----/wp-admin/ -----/wp-content/ --/wp-content/ (my local repo) I end up having two separate versions of the wp-content folder (one from my repo and one from the WordPress repo). I don't want the one from the WordPress repo (or at least not in that location). Is there a way for me to set svn to ignore the wordpress/wp-content directory while still using externals definition?

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• IIS Virtual Directory/Application & Forms authentication

  - by user216194

  I've setup and deployed a simple forms authentication website with membership using .NET 4. I've created a virtual directory (now converted to "Application") in IIS7 and setup the web.config file in the virtual directory as follows: <system.webServer> <directoryBrowse enabled="true" /> </system.webServer> Great! I browse to the virtual directory: ../mydomain/books/ and I'm automatically redirected to the login page specified by web.config in my root directory and the url path is placed as follows: ../Account/Login.aspx?ReturnUrl=%2fbooks At this point, I login succesfully, but I am not redirected anywhere, and when I manually return to the directory, ../books, I'm sent back to the login page, where I'm already logged in? So I'm confused about what my problem is! I should be successfully authenticated, and than redirected back to the directory, or at the very least be able to view it manually after I log in right?

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• emacs delete directory recursively?

  - by Stephen

  I was searching through for a way to copy/delete directory trees... dired seems to have dired-copy-file-recursive (though sans documentation) and a search on 'recursive' also returns: tramp-handle-dired-recursive-delete-directory is a compiled Lisp function in `tramp.el'. (tramp-handle-dired-recursive-delete-directory FILENAME) Recursively delete the directory given. This is like `dired-recursive-delete-directory' for Tramp files. But I can't find dired-recursive-delete-directory anywhere! Anyone know what's going on? Thanks ~

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• Moved X-cart site to Sub Directory - Need Help setting up Redirects

  - by Rich G

  I recently moved an x-cart site from a root directory to a sub directory, and also built a new Wordpress site under the root directory. The problem I am having is that I am trying to figure out a redorect combo that will show the search engines that the product pages are now under the sub directory (/store) but do not want the search engines to exclude the brand new site under the Root directory. I was thinking that if I could just have redirect any .html file (all of the product pages link to .html pages) that it would redirect to the same page just under the sub directory. The reason I cannot do everything one by one is because there are about 50k+ products that would need be changed. Any information and help would be greatly appreciated! Thank you in advanced!

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• Kerberos & signle-sign-on for website

  - by Dylan Klomparens

  I have a website running on a Linux computer using Apache. I've employed mod_auth_kerb for single-sign-on Kerberos authentication against a Windows Active Directory server. In order for Kerberos to work correctly, I've created a service account in Active Directory called dummy. I've generated a keytab for the Linux web server using ktpass.exe on the Windows AD server using this command: ktpass /out C:\krb5.keytab /princ HTTP/[email protected] /mapuser [email protected] /crypto RC4-HMAC-NT /ptype KRB5_NT_PRINCIPAL /pass xxxxxxxxx I can successfully get a ticket from the Linux web server using this command: kinit -k -t /path/to/keytab HTTP/[email protected] ... and view the ticket with klist. I have also configured my web server with these Kerberos properties: <Directory /> AuthType Kerberos AuthName "Example.com Kerberos domain" KrbMethodK5Passwd Off KrbAuthRealms EXAMPLE.COM KrbServiceName HTTP/[email protected] Krb5KeyTab /path/to/keytab Require valid-user SSLRequireSSL <Files wsgi.py> Order deny,allow Allow from all </Files> </Directory> However, when I attempt to log in to the website (from another Desktop with username 'Jeff') my Kerberos credentials are not automatically accepted by the web server. It should grant me access immediately after that, but it does not. The only information I get from the mod_auth_kerb logs is: kerb_authenticate_user entered with user (NULL) and auth_type Kerberos However, more information is revealed when I change the mod_auth_kerb setting KrbMethodK5Passwd to On: [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(1939): [client xxx.xxx.xxx.xxx] kerb_authenticate_user entered with user (NULL) and auth_type Kerberos [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(1031): [client xxx.xxx.xxx.xxx] Using HTTP/[email protected] as server principal for password verification [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(735): [client xxx.xxx.xxx.xxx] Trying to get TGT for user [email protected] [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(645): [client xxx.xxx.xxx.xxx] Trying to verify authenticity of KDC using principal HTTP/[email protected] [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(1110): [client xxx.xxx.xxx.xxx] kerb_authenticate_user_krb5pwd ret=0 [email protected] authtype=Basic What am I missing? I've studied a lot of online tutorials and cannot find a reason why the Kerberos credentials are not allowing access.

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• Join ActiveDirectory (Win 2k8R2) to OpenDirectory(Snow Leopard)

  - by Tom O'Connor

  The vast majority of questions and so on regarding the interoperability of Active and Open directories involves getting Mac clients to see an AD and auth against it. What we'd like to do is get a Windows 7 workstation to auth completely against Open Directory. We tried setting it up as an NT4 type PDC, and that doesn't work satisfactorily. We tried using pGina and the LDAP backend, which allows Authentication, but has no support for Authorization, and as a result, if we mount an NFS Share, the user has the rights to do anything they damn well please. Not ideal for security (Totally bloody unacceptable, actually). We tried using a Samba server (newer version than on the Open Directory Server) as an intermediate, so that it knows about the LDAP server on the OD Server, but uses Samba 4 instead of v3. That didn't work either. We could login, but couldn't mount, and if we did, we had the same rights as with pGina. If we right-click the mounted drive in Windows, and have a look at NFS UID, it returns -2, not the correct (mapped) UID. So the final plan I've got is to use an Active Directory, inside a Windows 2008R2 Virtual Machine. What I want to achieve is to have the Active Directory sync it's user data from OpenDirectory (read-only would be fine). That way, we'd have the ability to connect Windows 7 clients to a "virtual domain" which would actually just grab information from OD's LDAP. All the information I've found is about how to go the other way. Does anyone know how we can do this?

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