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• Can't the NetworkManager applet to appear in the Gnome panel in Ubuntu

  - by Nate

  I have researched this problem extensively and I can't seem to find an answer. In Ubuntu 10.04 LTS, I want to connect to my VPN through the NetworkManager applet. I installed all the network manager packages, including the gnome client. I understand I need to add the "Notification Area" to the panel, which I have done. I checked that the NetworkManager is running: nate@nate-desktop:~$ service network-manager status network-manager start/running, process 763 In /etc/NetworkManager/nm-system-settings.conf, I have added managed=true (don't know if this matters, but I saw it suggested on one forum): nate@nate-desktop:~$ more /etc/NetworkManager/nm-system-settings.conf # This file is installed into /etc/NetworkManager, and is loaded by # NetworkManager by default. To override, specify: '--config file' # during NM startup. This can be done by appending to DAEMON_OPTS in # the file: # # /etc/default/NetworkManager # [main] plugins=ifupdown,keyfile [ifupdown] #managed=false managed=true At this point, it looks like NetworkManager is running but it's not appearing in the NotificationArea of the panel. I don't know what else to try. Any ideas?

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• Can't the NetworkManager applet to appear in the Gnome panel in Ubuntu

  - by Nate

  I have researched this problem extensively and I can't seem to find an answer. In Ubuntu 10.04 LTS, I want to connect to my VPN through the NetworkManager applet. I installed all the network manager packages, including the gnome client. I understand I need to add the "Notification Area" to the panel, which I have done. I checked that the NetworkManager is running: nate@nate-desktop:~$ service network-manager status network-manager start/running, process 763 In /etc/NetworkManager/nm-system-settings.conf, I have added managed=true (don't know if this matters, but I saw it suggested on one forum): nate@nate-desktop:~$ more /etc/NetworkManager/nm-system-settings.conf # This file is installed into /etc/NetworkManager, and is loaded by # NetworkManager by default. To override, specify: '--config file' # during NM startup. This can be done by appending to DAEMON_OPTS in # the file: # # /etc/default/NetworkManager # [main] plugins=ifupdown,keyfile [ifupdown] #managed=false managed=true At this point, it looks like NetworkManager is running but it's not appearing in the NotificationArea of the panel. I don't know what else to try. Any ideas?

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• iPhone Cannot log into WiFi suddenly [closed]

  - by Stanley

  I suddenly get into this strange problem. My iPhone has been using the WiFi setup at my home for more than a year. Suddenly it cannot connect to the internet despite still having the full WiFi signal icon. Have an older iPhone 3 GS and it can still browse the net using the same WiFi. So the wireless router should be working. When I check the non-functioning iPhone, it has the "Router" and the "DNS" entries blank while the functioning iPhone has entries on both of the fields. Also the subnet Mask are different. Please help.

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• Strange problem with Exchange client connection

  - by Sam Cogan

  I've got a strange problem with an Exchange 2007 server running on SBS 2008. It's been working fine for users for the last 5 months, then 5 days ago they started getting a problem where Outlook would popup a window asking for credentials. If the user enters there credentials it pops up again and again, however if the user cancels the box it goes away and outlook continues to work fine. These clients all connect using Outlook Anywhere, and OWA access is also working fine. I had thought this message box may have been to do with other POP or IMAP accounts being configured in Outlook, but it's not the case. I have re-configured Outlook Anywhere on the server but to no avail. Using the RPC diagnostic tool in Outlook shows no problems. There are no errors showing in the event log. The server seems to be running fine, so to me this seems like either a client, or an RPC over HTTP issue, but I'm not getting anywhere finding the cause, any help is appreciated!

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• Tomcat and IIS6 on one server, multiple websites

  - by Rafe

  Windows Server 2003 with IIS6 and Tomcat 6.0.26. Three sites running on this server. One is PHP, one is ASP and the third uses Tomcat. The first two work flawlessly. The third is being a pain. Tomcat is installed and if called on the server itself by IP address xxx.xxx.xxx.xxx:8080 shows the welcome page. Calling the same address from an external machine gives a 'could not connect' error. Calling the ip address from within the server on standard port 80 gives me an error 324 (net::ERR_EMPTY_RESPONSE). Have tried using httpcfg to force listening only on ports within the ip range I'm using in a manner similar to question 35650 located here on serverfault but with no success. There are actually ten ip addresses on this machine but I'm only using three of them at this point. Any pointers on troubleshooting this would be appreciated!

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• Git Project Dependencies on GitHub

  - by VirtuosiMedia

  I've written a PHP framework and a CMS on top of the framework. The CMS is dependent on the framework, but the framework exists as a self-contained folder within the CMS files. I'd like to maintain them as separate projects on GitHub, but I don't want to have the mess of updating the CMS project every time I update the framework. Ideally, I'd like to have the CMS somehow pull the framework files for inclusion into a predefined sub-directory rather than physically committing those files. Is this possible with Git/GitHub? If so, what do I need to know to make it work? Keep in mind that I'm at a very, very basic level of experience with Git - I can make repositories and commit using the Git plugin for Eclipse, connect to GitHub, and that's about it. I'm currently working solo on the projects, so I haven't had to learn much more about Git so far, but I'd like to open it up to others in the future and I want to make sure I have it right. Also, what should my ideal workflow be for projects with dependencies? Any tips on that subject would also greatly appreciated. If you need more info on my setup, just ask in the comments.

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• Need help on awk/sed/ perl pattern with regex / grep

  - by Jayakumar K

  Sample file output from grep file1:my $dbh = DBI->connect("dbi:mysql:$database_name", $DB_USER, $DB_PASSWD) file2:($dbc,$rc) = mysql_connect($mysql_host,$mysql_user,$mysql_password); The awk pattern should get values databasename, DB_USER And DB_PASSWD from line 1 and mysql_host,mysql_user and mysql_password from line 2 i.e all variables inside the function. Then it should search for the declaration of that variable in file before : (semicolon) ex: databasename in file1 may be $databasename = "dbweb" ; ex: mysql_user in file2 may be $mysql_user="root" ; Result: It should display variable declarations of all 6 variables along with filenames file2:$mysql_host = "db1"; file2:$mysql_user = "root"; file1:$DB_USER = 'user';

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• is it really necessary to run Apache as a front-end to Glassfish/JBoss/Tomcat?

  - by Caffeine Coma

  I'm primarily a Java developer, and I come to you with a question that straddles the divide between developers and sysadmins. Years ago, when it was a novel thing to run Tomcat as an app server, it was customary to front it with Apache. As I understand it, this was done because: Java was considered "slow", and it was helpful to have Apache serve static content directly. Tomcat couldn't listen to ports 80/443 unless run as root, which was dangerous. Java is no longer considered slow, and I doubt adding Apache to the mix will actually help speed things up. As for the ports issue, there are probably simpler ways to connect app servers to ports 80/443 these days. So my question is- is there really any benefit to fronting Java Webapps with Apache these days? If so, is Apache still the way to go? Should I look at Nginx? Instead of Tomcat I'm using Glassfish, if that matters.

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• How to drop all subnets outside of the US using iptables

  - by Jim

  I want to block all subnets outside the US. I've made a script that has all of the US subnets in it. I want to disallow or DROP all but my list. Can someone give me an example of how I can start by denying everything? This is the output from -L Chain INPUT (policy DROP) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- anywhere anywhere tcp dpt:ftp state NEW DROP icmp -- anywhere anywhere Chain FORWARD (policy DROP) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination And these are the rules iptables --F iptables --policy INPUT DROP iptables --policy FORWARD DROP iptables --policy OUTPUT ACCEPT iptables -A INPUT -i lo -j ACCEPT iptables -A INPUT -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -p tcp -i eth0 --dport 21 -m state --state NEW -j ACCEPT iptables -A INPUT -p icmp -j DROP Just for clarity, with these rules, I can still connect to port 21 without my subnet list. I want to block ALL subnets and just open those inside the US.

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• How to proxy to different named databases on the same server using MySQL Proxy?

  - by cclark

  I would like to have two databases on my MySQL server: DEV_DB_A DEV_DB_B However, in order to keep everyone's scripts, Query Browser settings and anything else from changing when we switch from using on DB to another I'd like to have everyone connect to DEV_DB and then use something like MySQL Proxy running a lua script which knows the currently active DB is DEV_DB_A and routes queries to there. If we restore a fresh version of the DB to DEV_DB_B or make some changes (e.g. partition a table) we can easily switch to DEV_DB_B by changing one Lua script instead of updating references everywhere. I had hoped I might be able to symlink inside of the mysql data directory but that didn't work so it seems like MySQL Proxy is a reasonable approach. Being new to Lua and MySQL Proxy I'm wondering if anyone else has approached the problem this way and how it worked.

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• Test a simple multi-player (upto four players) Android game in single developer machine

  - by Kush

  I'm working on a multi-player Android game (very simple it is that it doesn't have any game-engine used). The game is based on Java Socket. Four devices will connect the game server and a new thread will manage their session. The game server will server many such sessions (having 4 players each). What I'm worried about is the testing of this game. I know it is possible to run multiple android emulators, but my development laptop is very limited in capabilities (3 GB RAM, 2 Ghz Intel Core2Duo and on-board Graphics). And I'm already using Ubuntu to develop the game so that I have more user memory available than I'd have with Windows. Hence, the laptop will burn-to-death on running 4 emulator instances. I don't have access to any android device, neither I have another machine with higher configuration. And I still have to develop and test this game. P.S. : I'm a CS student, and currently don't work anywhere, and this game is college project, so if there are any paid solutions, I cannot afford it. What can I do to test the app seamlessly? ability to test even only 4 clients (i.e. only 1 session) would suffice, its alright if I can't simulate real environment with some 10-20 active game sessions (having 4 players each).

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• Windows 7 backup network restore: "The network location cannot be reached, 0x800704CF"

  - by Znarkus

  When I try to restore from a backup image, I get this error. After I enter the network address (\\10.0.0.1\backup or \\z\backup), the wizard presents me with the network login dialog, which leads me to believe that it can connect to the network (yes, the share is password protected). I decided to install Windows 7, since I thought that I could restore the image from Windows. The restore process in Windows can locate the backups, but to do an image restore it needs to reboot to the wizard above. Which of course gives the very same error. This is what \\z\backup looks like. Please help, I'm getting desperate. Update: Forgot to mention that the NAS is running Ubuntu, if that's relevant.

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• Server 2012 GPO: PowerShell Script on Computer Startup not running

  - by Alex

  I've got a couple of Server 2012 instances on Amazon EC2 and I'm in the process of setting up the GPOs. All of the settings of the GPOs are being applied fine, except none of the PowerShell scripts specified on computer startup are actually being executed. The scripts are sitting on a UNC share which has Authenticated Users applied to it with full permissions. I'm assuming it probably has something to do with the Execution Policy, but I'm not sure how to automatically bypass it. I could just go in each instance and bypass the Execution Policy, but that's obviously not a good idea, plus I'm eventually going to connect Windows 7 computers that will be running the same scripts. How can I get the scripts to actually run? Google searches hasn't yielded a whole lot...

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• How to change aging AD password while connected over VPN from Mac

  - by Franek Kuciapa

  I am connecting to the office from mac via VPN, Cisco AnyConnect Secure Mobility Client. I do not know what to do when my AD password on the firm side will age and approach expiration to ensure that my Mac and VPN continue to work afterwards. Is the proper thing to do in this case to connect via VPN and then change the password on Mac via System Preferences, Users & Groups? Will this update the AD on the server side? Will it sync the PointSec as well that is running on the Mac? Or is a better procedure to RDP to a Windows box while connected over VPN and change the password there hoping the Mac will somehow sync up ?? Running Mountain Lion on the Mac.

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• Getting VSFTP running on Fedora 14

  - by Louis W

  Having troubles getting VSFTPD running on Fedora 14. Here is what I have done so far, please let me know if I am missing something. When I try to connect through FTP it says connection time out. Installed VSFTP with yum yum install vsftpd Edited config file vi /etc/vsftpd/vsftpd.conf Started service and made sure it would always start up service vsftpd start chkconfig vsftpd on Added and configured a new user /usr/sbin/useradd upload /usr/bin/passwd upload usermod -c "This user cannot login to a shell" -s /sbin/nologin upload Added firewall rules iptables -A INPUT -p tcp --dport 21 -j ACCEPT iptables -A OUTPUT -p tcp --sport 20 -j ACCEPT service iptables save service iptables restart Checked netstat (In reply to comment below) tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 23752/vsftpd

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• ProFTPD mod_tls is not loaded properly?

  - by develroot

  The server is running CentOS 5 with DirectAdmin. I am trying to get ProfFTPD work over TLS, however it seems that proftpd is lacking mod_tls support, even though it was compiled with mod_tls. # proftpd -l Compiled-in modules: mod_core.c mod_xfer.c mod_auth_unix.c mod_auth_file.c mod_auth.c mod_ls.c mod_log.c mod_site.c mod_delay.c mod_facts.c mod_ident.c mod_ratio.c mod_readme.c mod_cap.c As you can see there is no mod_tls.c, however, the DirectAdmin configuration file for proftpd suggests that it was built with TLS support: # cat /usr/local/directadmin/custombuild/configure/proftpd/configure.proftpd #!/bin/sh install_user=ftp \ install_group=ftp \ ./configure \ --prefix=/usr \ --sysconfdir=/etc \ --localstatedir=/var/run \ --mandir=/usr/share/man \ --without-pam \ --disable-auth-pam \ --enable-nls \ --with-modules=mod_ratio:mod_readme:mod_tls And all I get when I try to connect over FTPS using FileZilla is: Raspuns: 220 ProFTPD 1.3.3c Server ready. Comanda: AUTH TLS Raspuns: 500 AUTH not understood Comanda: AUTH SSL Raspuns: 500 AUTH not understood Am I missing something? thanks.

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• internet connection problem related to a recurring registry error

  - by mats

  I have a Windows XP desktop system connected to the Internet via ethernet LAN. Initially, none of my browsers were connecting to the Internet, but I was able to update my antivirus software and all of my connection settings were perfect. I was able to solve the problem by running WinSock XP, which apparently fixes connection problems that have been caused by registry issues. My problem now is that every time I shut down the machine, the problem comes back (Internet browsers won't connect). Does anyone have any ideas/suggestions on this? Thanks

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• Error setting up Data Protection Manager 2010 Agents / Network "Unauthenticated" in network settings

  - by Bowsa

  I'm not sure if the two are connected but i suspect they are. Basically I'm tring to setup Data Protection Manager 2010 on a fresh install of Server 2008 R2 in a SBS 2003 domain. Everything went fine until trying to install agents across the network. Upon clicking add, i get the following error message: Unable to connect to the Active Directory Domain Services Database. Make sure that the DPM server is a member of a domain and that the controller is running. Also verify that there is network connectivity between the DPM server and the domain controller. ID: 7 As usual (worryingly) the MSDN support for 2010 products is nearly non existant, clicking the error ID simply gives a page not found error. So after 2 days of Googling and trying various fixes (DNS settings, adding permissions to GPO objects, rejoining the domain and many more) I thought I'd ask here in the hope that someone out there may have had this issue before. Any help greatly appreciated!

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• Sql Server 2008, Active Directory Groups, and Failed Logins

  - by Ryan Michela

  I keep getting a Login Failed error in my ASP.net application when connecting to my SQL Server 2008 database. I am trying to login with the user domain\foo. When I grant a database login (server and database level) for domain\foo, my application can connect. When I put domain\foo in a group called domain/goo and give domain\goo a database login, the user domain\foo cannot authenticate. This does not make any sense. Am I doing something wrong? domain\foo and domain\goo are configured identically. The only difference is that on is a user and one is a group containing a user. Adding active directory groups as users to SQL Server 2008 is supposed to work.

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• Wamp server that works over a network

  - by user28233

  I have 2 computers. Both with w7 as os. I have installed wampserver on one of them. I have mysql database on wampserver. Then I have made a vb.net program to connect to mysql database. I have put the program on both computers. What I want to do is for those two programs to see the same database that is on one computer. For them to be able to add, delete, update that 1 database. How do I do that? How do I network the mysql database? Do I also have to install wampserver on the other computer? What do I do? Please enlighten me.

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• HP LasterJet P2035 not mapping on remote desktop

  - by Matthew Pomar

  I am connecting from a Windows 7 Pro laptop to a remote 64bit Windows 2008 R2 server via Remote Desktop. My local laptop has a networked HP LaserJet P2035 printer set as the default printer. When I connect to the server, the local (networked) HP printer does not get mapped on the server. I've installed the 64bit drivers from HP for the printer and was able to create a test printer on the server itself using the correct driver (HP LaserJet P2035) priting to a file. I've also checked the Printer under Local Resources tab on my Remote Desktop client. Does anyone know where else I should check to get my local printer to make to my remote desktop session?

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• Server 2008 Hard Faults

  - by claw

  Hey all, plase bear with me as I haven't looked at a server in a very long time. The problem I am having is with a Windows 2008 Standard FE Service Pack 2 Intel Xeon X3430 @ 2.40 2.39 GHZ 4 GB Memory 64 Bit There seems to be no problems other than the physical memory peaking at 91%, always with over 100 Hard Faults Per Second. To my understanding hard faults should be fairly rare on a machine with. Are there any logs I can show you? Or investigate myself. The general performance of the machine is ok, i can access SBS2008 and change settings fairly smoothly without hangs etc. However, we connect to the server and do quite a bit of SQL via an application. For a record to retrieve say 20 rows, it can take 20+ seconds. Thanks in advance, Jamie EDIT: What the server is used for: IIS ASP Web Service SQL 2008 List item Exchange unable to upload screenshots due to low reputation - why doesnt my SO work here :)

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• Advice for programming a lobby for a network multiplayer game?

  - by Milo

  I'm working on learning network programming. I'm working on a simple card game. The basic idea is: Players enter the lobby Players see tables Players sit at an empty seat Once they sit, they do not need any information from the lobby, they see the card table and the data about the other players and so forth. I've programmed the server portion for the game itself. The clients connect to my server object and the server then receives and sends messages; quite simple. The tricky concepts for me are: What's a good way to run many tables at the same time? What's a good way to keep the lobby consistently updated for each person in the lobby (eg: MSG_TABLE_FILLED, 22) Ideally I'd like to have 1 server exe for all of this and to have to deal with multithreading as little as possible. I'm going to use the enet library. I was thinking that each time a game session starts, I push a new Game and I map the client IPs to that table, then I just route messages from those clients to that Game. Since enet supports channels I was thinking of using 2 channels per table, one for the game messages and one for in game chat. Would something like this work? Does anyone have any advice / design ideas for a game with a lobby and many tables? Is there a usual way this is done that I'm overlooking? Any conceptual ideas or even c/c++ code examples would be very helpful. Thanks

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• kerberos5 unable to authenticate

  - by wolfgangsz

  We have a Debian file server, configured to serve up samba shares, using winbind and kerberos. This is configured to authenticate against a Windows2003 DC. All worked fine until recently when I did a maintenance update on all packages. Since then, all attempts to connect to any of the shares (and also to just log into the box) fail. The logs contain this message, which seems to be at the root of the evil: [2009/09/14 12:04:29, 10] libsmb/clikrb5.c:get_krb5_smb_session_key(685) Got KRB5 session key of length 16 [2009/09/14 12:04:29, 10] libsmb/clikrb5.c:unwrap_pac(280) authorization data is not a Windows PAC (type: 141) [2009/09/14 12:04:29, 3] libads/kerberos_verify.c:ads_verify_ticket(430) ads_verify_ticket: did not retrieve auth data. continuing without PAC From there on it fails to find the user account on the DC, subsequently remaps the user to user nobody and then (rightly) refuses to grant access to the share. However, the following works just fine: wbinfo -a user%password I was wondering whether anybody has had this problem and could provide some insight. I would be happy to provide neutralised config files.

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• Replacing notebook SATA hard disk with SSD without reinstalling

  - by Graeme Donaldson

  So there's a notebook (Lenovo Thinkpad Z61m) with a SATA hard disk, the SATA controller is configured for native AHCI operation & the OS is Windows XP. The hard disk is going to be replaced with an SSD which is larger. I have an idea of how I'm going to do this, but I want to be sure there isn't something obvious I'm missing. Connect external USB drive Boot some flavour of Linux live CD Use dd to clone the SATA disk to the external drive Power off and replace the SATA disk with the SSD Boot the live CD Use dd to clone back from the external drive to the SSD Does anyone have anything to add?

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