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• How can I prevent OpenVPN Client from blocking inbound connections while a tunnel is connected?

  - by joshudson

  We have this machine that we RDP into for using OpenVPN. When a tunnel is connected, it is not possible to RDP into the machine. Should we get disconnected, this is a problem (machine is headless). How can I stop OpenVPN from blocking inbound RDP? I do not have access to the server configuration. If there's anything interesting on the client to check you'll have to tell me how to get at it. I eliminated the possibility of routing issue before asking the question. Only inbound connections cannot be opened. Outbound connections to LAN can be opened just fine. EDIT: Don't bother answering. The problem disappeared without any known changes being made.

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• How to make sure clients update their browser cache when my website is updated?

  - by user64204

  I am using the HTTP 1.1 Cache-Control header to implement client-side caching. Since I update my website only once a month I would like the CSS and JS files to be cached for 30 days with Cache-Control: max-age=2592000. The problem is that the 30-day period defined by Cache-Control doesn't coincide with the website update cycle, it starts from the moment the users visit the site and ends 30 days later, which means an update could occur in the meantime and users would be running with outdated content for a while, which could break the rendering of the website if for instance the HTML and CSS no longer match. How can I perform client-side caching of content for periods of several days but somehow get users to refresh their CSS/JS files after the website has been updated? One solution I could think of is that if website updates can be schedule, the max-age returned by the server could be decreased every day accordingly so that no matter when people visit the website, the end of caching period would coincide with the update of the website, but changing the server configuration every day goes against one of my sysadmin principles (once it's running, don't touch it).

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• How to add a VM Server to a VM Domain when the host is not on that domain.

  - by Charlie

  I have created A VM running Windows Server 2008 R2, using VMWare. I have configured this as a domain controller running a Windows Server 2008 domain. I have also created another VM running Windows Server 2008 R2. The HOST machine is using Windows 7 Professional 64 bit. When I try to add the second VM into the domain that the first is the DC for it fails as the VM cannot contact the DC. Simple question really. What have I missed? Is it something to do with the configuration on the Host machine? What do I need to do to enable this scenario? Thanks

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• How to remove IE toolbar and menu bar

  - by Metallikanz

  We have a asp.net web application which will be used in an intranet environment on IE 6. We want to change the default configuration of the browser so that it's always rendered without the Tool Bars, Menu Bars and Address Bar, just the browser window frame and the status bar should be present. We were looking at the IEAK toolkit for IE6 but it doesn't seem to have the option of turning all this off though you can turn off certain menus and toolbar options. Any ideas of how this can be done, is there a group policy setting or something that we can utilize here to get this done? Thanks for your help.

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• emacs does not open a file from argument and syntax highlight does not work

  - by Jus

  In my latest ubuntu box, When I type for example emacs ~/.bashrc, Emacs will start but not open .bashrc. This is true for any file I pass in. I've used Emacs for several years, and have never experienced this problem before. I added (global-font-lock-mode 1);; to my .emacs file, and Emacs does recognize it, for example. "(C++/; Abbrev)", but it won't do syntax highlighting. If you can solve any of these problems, it will be very appreciated. The following is my machine's configuration: uname -a Linux 2.6.35-28-generic-pae #49-Ubuntu SMP Tue Mar 1 14:58:06 UTC 2011 i686 GNU/Linux ~/.emacs (global-font-lock-mode 1);;

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• Http Hanlder must be reset with each deployment. How can I add this functionality to the web.config

  - by user42942

  My application is a dotnet 4 hybrid - MVC in some areas, web forms in others. This application was recently upgraded to dotnet 4 and includes a lot of older code and some mismatched parts. Unfortunately it includes a telerik component that requires me to run the Application pool in classic mode. In order to fix this (in IIS7) I have to add a handler mapping to the IIS configuration. This mapping is basically a wildcard mapping that points the wildcard path "*" to the %windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll. The problem I am running into is this: For some reason this mapping gets dropped when deploying the site. So, can I add the functionality of this mapping to the web config? If so, How? Or is there another solution to make this manually added mapping "sticky" so that it remains in place during and after a deployment? (I am also asking this on StackOverflow, as I'm not sure if this should be a coding question or a Server question)

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• How can I avoid hard-coding YubiKey user identities into the PAM stack?

  - by CodeGnome

  The Yubico PAM Module seems to require changes to the PAM stack for each user that will be authenticated with a YubiKey. Specifically, it seems that each user's client identity must be added to the right PAM configuration file before the user can be authenticated. While it makes sense to add authorized keys to an authentication database such as /etc/yubikey_mappings or ~/.yubico/authorized_yubikeys, it seems like a bad practice to have to edit the PAM stack itself for each individual user. I would definitely like to avoid having to hard-code user identities into the PAM stack this way. So, is it possible to avoid hard-coding the id parameter to the pam_yubico.so module itself? If not, are there any other PAM modules that can leverage YubiKey authentication without hard-coding the stack?

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• High-End Gaming Desktop PC in France [closed]

  - by Lerikunus

  Hello, I was looking to buy an ALIENWARE AREA 51, as my Desktop crashed some days ago. But the Preliminary Ship date is 03.01.11 and I need the new PC until Friday next week =( Does someone know a(n) (online)-store where Build&Shipping time is quite low so I can get it until next Friday? I am living in France (Nice). Or any place I can ask fot his kind of advice? This is my desired configuration: Overclocked Intel® Core™ i7 980x Extreme Six Core Processor (4.0GHz, 12MB Cache) 12GB Triple Channel 1600MHz DDR3 Dual 2GB ATI Radeon™ HD 6950 2TB RAID 1+0 (4x 1TB SATA-II, 7,200 RPM, 32MB Cache HDDs) 2TB RAID 1 (2x2TB SATA-II, 7,200 RPM, 32MB Cache HDDs) Thank you very much!

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• "Disk boot failure" error after installing Windows 7 on SSD

  - by Tony_Henrich

  I have a system with 3 SATA drives which runs fine. Got a new SSD drive and wanted to install a fresh Windows-7 on it. So I removed the boot drive and replaced it with the SSD drive. Installed Windows and when it was done, rebooted and now I get "Disk boot failure. Insert system disk and press enter" error message. I reinstall again and still same message. Removed the SSD and put back the original drive and I got the same message!! I checked the BIOS and things look good. Something is wrong. Two questions: 1- Why isn't the new Windows booting from the SSD? 2- Why isn't the machine booting using the previous working configuration anymore, after removing the SSD? I did connect it during the second Windows installation but it was the last drive in the SATA connector. Would Windows installer mess with its MBR sector?

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• Ubuntu 11.04 64bits Keeps Randomly Freezing

  - by user971602

  This has been a real headache for me since the number of freezes has increase from twice a week to about 1 or twice a day. The system just halts and nothing can be done but hitting the restart button. At the beginning I thought it was related to Flash since I was getting random freezes when playing full screen flash videos online. I also thought it could be the wireless pci card. But the system has freezed using browsing around GNOME. The truth is, the freezes are really random and strange. I checked this thread Ubuntu keeps randomly freezing and try to ssh my computer using another one, but I could not ssh since it was really totally frozen. NumLock or CapsLock wasn't responding or blinking. Since I could not ssh I, also ignored this article https://wiki.ubuntu.com/X/Troubleshooting/Freeze According to my wife, the system has also halted under Win7 Pro 64bit but with less frequency. Here is my system configuration Intel Core i7 2600k ASRock Z68 Extreme3 gen3 Motherboard Crucial M4 128GB CT128M4SSD2 SSD WD Caviar Green WD10EADS 1TB SATA II G.SKILL Ripjaws X Series 8GB (2 x 4GB) DDR2 OCZ ModXStream 600W Power Supply Rosewill RNX-N300X PCI Wireless Adapter No external Graphics Card I remove the Wireless card and used Ethernet to see if the problem was the that, but I got a freeze after doing that. I also ran memtest86 and everything was ok. The only other thing I might suspect of is the SSD. I will try to clone the SSD to a HDD to see if that solve the problem. At this point I am stuck with the freezes. Do anyone have a clue of why this is happening and how can i solve this?

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• Why doesn't phpMyAdmin connect to MySQL server?

  - by Grafica

  I'm running xampp on Windows 7, and when I type localhost/phpmyadmin, there is an error: phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of the MySQL server. Here's what I did, but I'm still not able to connect: In config.inc.php, changed from true to false: $cfg['Servers'[$i]['AllowNoPassword'] = false; Changed password here: localhost/security/xamppsecurity.php In resetroot.bat, typed new password where it says 'password': echo REPLACE INTO user VALUES ('localhost', 'pma', 'password', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', '', '', '', '', 0, 0, 0, 0, '', ''); >>resetroot.sql Restarted apache and mySQL I still get the same error message. Thanks in advance!

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• Send Ctrl+Alt+Del over VNC with Windows Vista and UAC off?

  - by jasonh

  I'm trying to set up a machine here with UltraVNC on Windows Vista with UAC off. The problem is, in this configuration, I can't send Ctrl + Alt + Del (CAD) to the Windows Vista machine, and so I'm stuck at the login screen, which is waiting for the CAD sequence. I'm joined to a domain, so I don't think I can disable the CAD requirement. I can't re-enable UAC either. I also tried using the on-screen keyboard, but it didn't seem to work. Is there a workaround or a solution?

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• CentOS 6 init script doesn't work properly

  - by user711643

  I'm setting up my ruby production server based on CentOS 6. I need a process called god (which is a process monitoring tool) to start at boot. I'm using an init script that I found here. Just as stated in the guide I ran: chkconfig --add god and then chkconfig --level 345 god on After this if I run "service god start|restart" everything works. It loads the available configurations and brings up the related processes (if they are not running). Problem is it doesn't work at boot. If I reboot the system, then I do "ps -aux | grep god". At this point "god" is running but apparently it didn't load the configuration files. If i run again service god restart, it loads everything without problems. What am I doing wrong?

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• Config Time Service on Server 2008 DC using Group Policy Only

  - by Ed Fries

  I want to configure the Time Service using only GP in a Server 2008 R2 domain. I have created a GP as follows: Computer Config, Policies, Administrative Templates, System, Windows Time Policy: =Global Configuration Settings -Enabled w/ default settings. Computer Config, Policies, Administrative Templates, System, Windows Time Policy,Time Providers: =Configure Windows NTP Client -Enabled w/ default settings. =Enable Windows NTP Client -Enabled w/ default settings. =Enable Windows NTP Server -Enabled w/ default settings. The policy is linked, enforced and applied to Domain Controllers OU. The GP modeling results shows the policy is in effect on the DC (Single DC domain) and the DC is recognized as the PDC emulator. I have run gpupdate /force and logged off/on. The issue is that the DC shows the time source as internal. I understand I can force this at the cmd line using w32tm to set the peer but I would like to understand what is missing in the GP. The default NTP Client GP setting includes time.windows.com,0x9 as the source but it does not appear to be taking effect.

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• How do I configure SSH on OS X?

  - by cwd

  I'm trying to SSH from one Mac running OS X 10.6 to another. Seems to work fine via a password, but I can't get it to use a RSA key instead. Where is the ssh configuration file on OS X and what is the command to reload SSH? Update What I'm asking is how to configured advanced options. For example, on Ubuntu there is a ssh config file at /etc/ssh/sshd_config and if you do something like change the port or disable password authentication for a particular user (PasswordAuthentication no) you need to run /etc/init.d/ssh reload to reload the config. I didn't see that file on OS X, so was just wondering where it was. I am aware of the ~/.ssh ~/.ssh/authorized_keys and `~/.ssh/config

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• Small, simple LDAP server as an alternative to OpenLDAP

  - by jstarek

  I have taken a look at the installation and configuration instructions for the newer OpenLDAP releases and decided that it's too much work to set up for my small userbase. Basically, I only use LDAP to synchronize user accounts on a small number of machines (ok, this does not really require a directory server) and to give those users access to some web-based tools, avoiding the need to create user accounts in several places. Can you recommend a small, simple LDAP server for use on *nix systems? My only requirements are the ability to serve up PosixAccount and Group objects via LDAP.

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• My home partition slowly fills up until the system is unable to complete even simple tasks

  - by user973810

  So I have an awesome configuration on my home pc. My /home directory has its own partition. My home partition slowly fills up until the system is unable to complete even simple tasks. For example, when this issue has occured, I can load up firefox. It just pops up an error message saying that it cannot be done. Rebooting solves the issue. The strange thing is, I've run baobab and it doesn't notice a problem. There should be hundreds of gigabytes of data somewhere, but it doesn't see it. Does anyone have any idea of how I might troubleshoot this issue? I'm thinking I could do lsof but I've always found the output of that to be too much information. Maybe my drive is, like, dying. Edit: is there a /home analog of /var that gets cleared out at boot time? Maybe I could check in there next time I notice this problem to see if I can divine what's up. Update: I found the issue. my .xsession-errors file is filling up with Authentication deferred - ignoring client message Is there a way I can see what is causing this error and fix it?

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• How many websites can my server potentially hold?

  - by Daniel Kindler

  Sorry for the "noob" question, but... About how many medium-sized websites with average traffic could this server hold? Just like the average website, kind of like a small business site. How many sites could this server hold, but still maintain nice, decent speed? PowerEdge R510 PE R510 Chassis for Up to Four 3.5" Cabled Hard Drives, LED edit Processor Intel® Xeon® E5630 2.53Ghz, 12M Cache,Turbo, HT, 1066MHz Max Mem edit Memory 8GB Memory (4x2GB), 1333MHz Single Ranked UDIMMs for 1 Procs, Optimized edit Operating System SUSE Linux Enterprise Server 10, SP3, Up To 32 CPU Lic, 1 YR Sub, DIB, Media edit Red Hat Enterprise Linux Licensing Hard Drives 250GB 7.2K RPM SATA 3.5" Cabled Hard Drive edit Hard Drives 1TB 7.2K RPM SATA 3.5" Cabled Hard Drive edit Hard Drives 2 X 2TB 7.2K RPM SATA 3.5in Cabled Hard Drive Hard Drive Configuration No RAID, Embedded SATA Controller for x4 Chassis edit Power Supply 480 Watt Non-Redundant Power Supply edit Thank you!

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• Group Policy dealing with IE zone assignment not sticking!

  - by Brandon

  I have a group policy (which ONLY deals with the zone assignment) -that is continually switching on and off with reboots. I thought it was a conflicting group policy but when I run group policy modeling report it doesn't show any descrepancies that I can see. I thought it may be an issue with one domain controller wasn't replicating my policy change to the other one, but this isn't the case. I checked both domain controllers and they show the same information. The assignment is on a user basis and is in: user configuration > administrative templates > windows components > internet explorer > internet control panel > security and is site to zone assignment.

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• Page loading hangs and never times out (Apache)

  - by Lucas -luky- N.

  I have set up Apache2 on a guest Ubuntu 10.04 OS (virtualbox). I have created a "big" HTML file (4MB) with only plain text and when I access a page through my local IP address such as http://192.168.0.100 it successfully loads the entire page. However, when I try to access it through my public IP address the browser loads part of the page and then hangs forever on "loading". I can load a simple webpage though. I'm not sure whether it's an issue with my Apache configuration, Virtualbox, Router or Modem. Any clues? Tried enabling Debug and mod_status but didn't find any useful information.

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• Proftpd: How to set default root to a users home directory without jailing the user?

  - by sacamano

  Hi there. I've installed proftpd on my debian box but I'm having having some trouble with the configuration. In my proftpd.conf I've added; DefaultRoot ~ !ftp_special This works fine in that all users except members of ftp-special are unable to navigate outside of their home folder. However, I want users that are members of ftp-special to enter a special home folder when logging on to the ftp server but at the same time I want them to be able to navigate the entire server. Right now, if a user that is a member of ftp-special logs on his entry-point is the root ( / ). Thanks in advance.

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• Distribution upgrade freezes

  - by lugte098

  When upgrading from Ubuntu 10.04 to 10.10 the distribution upgrade program freezes after it notifies me of a change in /etc/apparmor.d/usr.bin.mysqld and asks me to keep the old file or accept the new changes (I accepted them). The terminal says: Configuration file `/etc/apparmor.d/usr.sbin.mysqld' ==> Modified (by you or by a script) since installation. ==> Package distributor has shipped an updated version. What would you like to do about it ? Your options are: Y or I : install the package maintainer's version N or O : keep your currently-installed version D : show the differences between the versions Z : start a shell to examine the situation The default action is to keep your current version. *** usr.sbin.mysqld (Y/I/N/O/D/Z) [default=N] ? y Installing new version of config file /etc/apparmor.d/usr.sbin.mysqld ... The program hasn't done anything after this for about 2 hours now and I have no idea what I should do at this point. Can I quit the program and restart it? Or is there another action I should take? It did however change the '/etc/apparmor.d/usr.sbin.mysqld' to the new version, but is still frozen...

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• Multiple iSCSI Targets or 1 that's shared?

  - by Joost Verdaasdonk

  On my network I have several types of files I want to save on a SAN like: SQL db's and logs Exchange data Random files Now I'm wondering if I should create one iSCSI Target with a large volume and initiate that from one of the servers. (and share it so other servers can use it too) Or I should create separate Targets to have each server use its own storage. For the record the storage could be separated because the servers aren't using the shared data. For one reason I was thinking of one storage is ease of backup. (but perhaps performance could be a problem?) What would be an advisable configuration for these type of data?

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• Slow Gmail attachment download over HTTPS

  - by Todd

  It only affects Gmail. I have tested other HTTP, FTP and HTTPS websites and downloading is fine, at the exact same time the problem is affecting a Gmail attachment download. The symptoms include both: High waiting time, before the download starts (on the order of 30 seconds); AND Very slow download transfer speeds (on the order of 1kbps) It's a very strange problem, and I didn't find any recent issues relating to Google Australia. The account works fine at another site with a different ISP, so it's either a computer configuration or ISP - I lean to the latter.

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• Ubuntu Dependency Problem in Activity log Manager

  - by Incredible

  incredible@incredible-Inspiron-N5010:~$ sudo apt-get -f install [sudo] password for incredible: Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: activity-log-manager The following packages will be upgraded: activity-log-manager 1 upgraded, 0 newly installed, 0 to remove and 287 not upgraded. 1 not fully installed or removed. Need to get 0 B/60.3 kB of archives. After this operation, 29.7 kB disk space will be freed. Do you want to continue [Y/n]? y dpkg: dependency problems prevent configuration of activity-log-manager: activity-log-manager depends on activity-log-manager-common (= 0.9.4-0ubuntu3); however: Version of activity-log-manager-common on system is 0.9.4-0ubuntu3.1. activity-log-manager-control-center (0.9.4-0ubuntu3.1) breaks activity-log-manager (<< 0.9.4-0ubuntu3.1) and is installed. Version of activity-log-manager to be configured is 0.9.4-0ubuntu3. dpkg: error processing activity-log-manager (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: activity-log-manager E: Sub-process /usr/bin/dpkg returned an error code (1)

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