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• Slow transfer speed between two servers

  - by Linux Guy

  I have two servers both network cards speed is 10Gbps The inbound bandwidth between two servers is 10Gbps , the outbound bandwidth internet bandwidth is 500Mpbs Both servers using public ip addresses in public and private network Both servers transfer and connection on nginx port , and the server B used for streaming media , like youtube stream videos I check the transfer speed using iperf utility From Server A to Server B # iperf -c 0.0.0.1 -p 8777 ------------------------------------------------------------ Client connecting to 0.0.0.1, TCP port 8777 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 3] local 0.0.0.0 port 38895 connected with 0.0.0.1 port 8777 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.8 sec 528 KBytes 399 Kbits/sec My Current Connections in Server B # netstat -an|grep ":8777"|awk '/tcp/ {print $6}'|sort -nr| uniq -c 2072 TIME_WAIT 28 SYN_RECV 1 LISTEN 189 LAST_ACK 139 FIN_WAIT2 373 FIN_WAIT1 3381 ESTABLISHED 34 CLOSING Server A Network Card Information Settings for eth0: Supported ports: [ TP ] Supported link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Advertised link modes: 10000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: 10000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: external Auto-negotiation: on MDI-X: Unknown Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes Server B Network Card Information Settings for eth2: Supported ports: [ FIBRE ] Supported link modes: 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: No Advertised link modes: 10000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: No Speed: 10000Mb/s Duplex: Full Port: Direct Attach Copper PHYAD: 0 Transceiver: external Auto-negotiation: off Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes The problem is : as you can see from iperf utility, the transfer speed from server A to server B slow when i restart network service the connection will be ok , after 2 minutes , it's getting slow How could i troubleshoot slow speed issue and fix it in server B ? Notice : if there any other commands i should execute in servers for more information, so it might help resolve the problem , let me know in comments

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• Remote Desktop Session Black after Minimize

  - by TorgoGuy

  PROBLEM: When I minimize a remote desktop session and restore it, the remote desktop screen shows up black. This only happens when connecting to a particular computer. DETAILS: If I start clicking around in the black area, portions of the screen will start redrawing and showing up correctly. For example, if I leave a window open in the remote session and click where that window is located on the remote computer, then that window--and only that window--will redraw, and sometimes a portion of that window won't redraw (usually the toolbar). And to clarify--the window only has to be minimized momentarily, so it doesn't seem to be a timeout issue. Clicking or typing in the remote session still causes the remote computer to respond appropriately. Disconnecting from the session and reconnecting restores the whole screen image, as does clicking all over the place in the black image (causing each section to redraw). CONFIGURATION: This problem only happens for me when connecting to a particular computer (a W2K Server box configured to allow remote administration) and only with certain client computers. I've tried 7 different client computers with various versions of Remote Desktop (the OSes were: Win2K, Server 2003, Server 2008, Windows 7 RC, 3 XP) and two of them exhibit the problem (one is one of the XP boxes and the other is Windows 7). Those same computers can RDP to other computers without problem. RESOLUTION ATTEMPTS: I have tried the following: Disable the LOCAL screen saver as mentioned on Technet Turned off bitmap caching in the client, as mentioned on many forums. Updated to version 6.1 of the remote desktop client Using mRemote (I doubted this would work since it uses MS's code for connecting to RDP servers) Turning off all video acceleration. QUESTION: Any ideas on what is causing this?

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• Dynamically updating DNS records with NSUPDATE fails

  - by Thuy

  I've got my own nameserver ns3.epnddns.com and domain epnddns.com I wanted to try and update the records dynamiclly from home using nsupdate but when I run nsupdate -k Kwww.epnddns.com.+157+17183.key i get the following errors Kwww.epnddns.com.+157+17183.key:1: unknown option 'www.epnddns.com.' Kwww.epnddns.com.+157+17183.key:2: unexpected token near end of the file Kwww.epnddns.com.+157+17183.{private,key}: unexpected token Not sure why I get these errors, I'll post my complete setup. Generated keys on my home pc, using dnssec-keygen -a HMAC-MD5 -b 128 -n HOST www.epnddns.com. created /var/named/ and put the keys there and chmod them to 600. transfered the keys to my nameserver ns3.epnddns.com, created /var/named/ ,put the keys there and chmod them to 600 made dnskey.conf in /var/named and added key www.epnddns.com. { algorithm hmac-md5; secret "my secret from they keys=="; }; chmod to 600 then in /etc/bind/named.conf.local include "/var/named/dnskeys.conf"; zone "epnddns.com" { type master; file "/etc/bind/zones/epnddns.com.zone"; allow-transfer { myhomeip; }; //its my home ip so not in the same network allow-update { key www.epnddns.com.; }; }; I restarted bind without any error messages so it seems to be working on the nameserver at least. But on my homepc when i try and run the nsupdate i get those error messages. Thanks in advance for any help or insightful advice.

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• Apache subdomain not working

  - by tandu

  I'm running apache on my local machine and I'm trying to create a subdomain, but it's not working. Here is what I have (stripped down): <VirtualHost *:80> DocumentRoot /var/www/one ServerName one.localhost </VirtualHost> <VirtualHost *:80> DocumentRoot /var/www/two ServerName two.localhost </VirtualHost> I recently added one. The two entry has been around for a while, and it still works fine (displays the webpage when I go to two.localhost). In fact, I copied the entire two.localhost entry and simply changed two to one, but it's not working. I have tried each of the following: * `apachectl -k graceful` * `apachectl -k restart` * `/etc/init.d/apache2 restart` * `/etc/init.d/apache2 stop && !#:0 start` Apache will complain if /var/www/one does not exist, so I know it's doing something, but when I visit one.localhost in my browser, the browser complains that nothing is there. I put an index.html file there and also tried going to one.localhost/index.html directly, and the browser still won't fine it. This is very perplexing since the entry I copied from two.localhost is exactly the same .. not only that, but if something were wrong I would expect to get a 500 rather than the browser not being able to find anything. The error_log also has nothing extra.

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• New keyboard for linux: Adesso Tru-Form or MS Natural Keyboard 4000?

  - by Andrea

  Hi folks! I'm going to buy a new ergonomic keyboard for my laptop. In the following, keep in mind I live in Italy. I considered the following models: Adesso PCK-308UB - Adesso Tru-Form™ Pro - Contoured Ergonomic Keyboard with TouchPad-PS2 Pro: has a built-in touchpad in the same position of my laptop somewhat cheaper than the alternative below Cons: the surface doesn't seem to be bowl-shaped. keys seem to lay on a straight slightly-inclined surface. It seems an idea used extensively in other ergonomic keyboards according to a few comments on the net, new Adesso keyboards seem to lack robustness, they're likely to loose small parts after a few weeks or months. Other users, instead, seem to never had any problem in years and swear by their quality and comfortability. Those who had problems, however, lamented a lack of responsiveness from the manufacturer. I'm not sure whether the keyboard, at least the standard keys, and the touchpad will both be recognized correctly under linux distros (I mostly use FC btw) last time I checked, Adesso didn't have local resellers in my country Microsoft Natural Ergonomic Keyboard Pro: recognized as one of the most comfortable keyboards reliable customer service operating in my country AFAIK there are several documented ways to get extra buttons work with linux Cons: it doesn't have a builtin touchpad and has a numeric keypad wasting space to reach mouse But there could be other keyboards I haven't considered yet, so here follows my ideal keyboard wishlist, ordered by priority linux compatible basic ergonomic design, which entails split tilted keyboard and pads advanced ergonomic design, like true-ergonomic's or kinesis , where special keys (like enter, caps-lock...) are placed symmetrically in the middle to be used by thumbs a builtin touchpad/trackball placed under the keyboard. I just love this on my notebook. I think it's pretty effective, since it allows my hand to rest naturally everytime I use it. Any opinion on this? high-quality switches, like cherry's (unsure about this one) additional programmable keys placed near usual ones, to simplify typing shortcuts TIA Andrea

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• IIS running but not serving content

  - by Kyle

  I have an internal dev server running Windows 2k8 R2 with the Web and FTP Server roles set up which won't serve any content at all. Trying to connect from another host via telnet yields 'connection failed': c:\>telnet devserver 80 Connecting To devserver...Could not open connection to the host, on port 80: Conn ect failed Using netstat -an | find "80" on the dev server returns no connections on port 80 (a few on 1801, etc) tcpview confirms this, listing no open connections on port 80. The following services related to the Web role are running: World Wide Web Publishing Service Application Host Helper Service Microsoft FTP Service (ftp connections to port 21 are granted) Windows Process Activation Service The default website bindings are: Type Host Name Port IP Address Binding Information http 80 * net.tcp 808:* net.pipe * net.msmq localhost msmq.formatname localhost When setting up a new application under the default site, the test function passes both connection/authorisation only if the 'connect as' user is local admin, otherwise the test errors with 'invalid application path'. At no point is the W3SVC service PID bound to port 80 (it is running and bound to 21 for ftp). There are no W3SVC log directory at c:\inetpub\logs\LogFiles\ (only FTPSVC2), and no HTTPERR directory at c:\windows\system32\ or c:\windows\system32\logfiles\. There do not appear to be any related errors in the event logs. I'd really appreciate any thoughts on be a good place dig into what's (not) going on here!

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• Access Denied / Server 2008 / Home Directories

  - by Shaun Murphy

  Domain Controller: BDC01 (192.168.9.2) Storage Server: BrightonSAN1 (192.168.9.3) Domain: brighton.local Last night I moved our users home directories off of our Domain Controller onto a storage server using the MS FSMT. I'm getting a mixed bag of errors. The first being some users cannot logon properly, they can't access the logon.vbs in the sysvol folder on the DC and consequently cannot map their drives. I've narrowed that down to a DNS issue as we there was a remnant of our previous DNS server in the DHCP server options and scope options. I'm able to get their drives remapped by browsing to the sysvol folder by IP address as opposed to Computer Name and manually running the logon.vbs script. The other error I'm getting is Access Denied on a few of the users home directories. The top level folder (Home) is shared as normal and I've removed and re-added the NTFS security a number of times now including making the user the owner with full control. I've checked each and every individual file and folder in said users home directory and they are indeed the owner but I'm unable to write but I can read the contents. I'm stumped. This isn't happening to all clients. I'm considering removing their AD accounts, backing up their folders and readding them as a last resort but obviously I'd like to know why the above errors are happening.

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• Apache Alias Isn't In Directory Listing

  - by Phunt

  I've got a site running on my home server that's just a front end for me to grab files remotely. There's no pages, just a directory listing (Options Indexes...). I wanted to add a link to a directory outside of the webroot so I made an alias. After a minute of dealing with permissions, I can now navigate to the directory by typing the URL into the browser, but the directory isn't listed in the root index. Is there a way to do this without creating a symlink in the root? Server: Ubuntu 11.04, Apache 2.2.19 Relevant vhost: <VirtualHost *:80> ServerName some.url.net DocumentRoot "/var/www/some.url.net" <Directory /var/www/some.url.net> Options Indexes FollowSymLinks AllowOverride None Order Allow,Deny Allow From All AuthType Basic AuthName "TPS Reports" AuthUserFile /usr/local/apache2/passwd/some.url.net Require user user1 user2 </Directory> Alias /some_alias "/media/usb_drive/extra files" <Directory "/media/usb_drive/extra files"> Options Indexes FollowSymLinks Order Allow,Deny Allow From All </Directory> </VirtualHost>

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• Installing FIREFOX with extensions/addons manually? (not really auto install)

  - by BrownChiLD

  I've been reading around with regards to creating firefox installers, bundling it w/ addons, using scripts, and CLI lines and a whole bunch of stuffs ... but it seems that going through this route is just too complicated and time consuming.. Since i don't mind a bit of manually copying files and stuff, I was planning to do the following: on my test machine, 1) install firefox on a machine AND configure it the way i want it 2) install addons AND set the configurations for it 3) set advanced configurations for firefox (about:config) Then once i'm all set, I just simply copy the contents of the firefox/profiles folder (for this particular tests it's ....\AppData\Local\Mozilla\Firefox\Profiles\6m0mef0s.default for deployment, all i have to do is: 1) Install the same version (offline installer) of the Firefox i used.. 2) overwrite the contents of the new profiles folder (randomly named by Firefox installer as usual) .. This should set all my configs and addons right? or what other folders do i have to backup and copy manually into the new profiles folder? I don't think i need to tinker w/ any registries right? anyway, if this works, though it's a bit manual, it's a whole lot simplier, and straight forward than fiddling w/ Installers and Packages etc.. PS I do this a lot w/ other simple (and some complex) software that i use and they seem to work fine for years.. i'm just not sure with firefox and how it's structured..

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• Mysql Cluster not working on Ubuntu

  - by user53864

  I am unable to setup MySQL Cluster on ubuntu servers. As a starting point I started from the link but I am not successful and the tar ball version I download is 6.3.45. As I wanted to test the mysql cluster, the Data node and SQL node are same but sql never appeared as connected in management node console and it looks like below. [ndbd(NDB)] 2 node(s) id=2 @192.168.1.107 (Version: version number, Nodegroup: 0, Master) id=3 @192.168.1.108 (Version: version number, Nodegroup: 0) [ndb_mgmd(MGM)] 1 node(s) id=1 @192.168.1.105 (Version: version number) [mysqld(API)] 2 node(s) id=4 (not connected, accepting connect from 192.168.1.107) id=5 (not connected, accepting connect from 192.168.1.108) On all the 3 machines mysql-server & client(apt-get install mysql-server mysql-client) were already installed and I completely stopped and also removed them at the system start up. Now the mysqld is from extracted cluster tar ball(/usr/local/mysql/support-files/mysql.server). As for testing, I created a test database on both the data nodes but the tables are also not syncing on other node. I checked many links, configurations are remained similar in all the links but somewhere it's going wrong. Anymore extra package is required?, Could anyone help me here..?. I am trying this for past 3 days... Thank you!

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• Can't ping a DNS zone on windows server 2008 R2

  - by Roberto Fernandes

  I´ve just configured a windows server 2008 r2, but got a lot of problems on DNS role. Let me talk about the server configuration: name: fdserver IP address: 192.168.0.10 I have a DNS zone called "fd.local". This is my domain and it´s working ok. I´ve created a zone called fdserver, and inside this zone a record (A) with "*" as a host. because this is a webserver, i´ve configured apache so if you enter something like "site.fdserver" it will point you to the "site" folder. This is working ok ONLY inside the server. This server is a DNS server too... and have 3 entries: 192.168.0.10 (his own IP), 8.8.8.8 and 8.8.4.4 (google public DNS). Now start the problems... Most of the computers on my network, CAN join the domain without problems. But just CAN'T ping "something.fdserver". Now comes the strange thing... If I remove the twoo secondary entries on my DNS server (8.8.8.8 and 8.8.4.4), it obvious stop accessing websites (like microsoft.com), but now the computer CAN ping "something.fdserver". I don´t know If I explained correctly... and my English is terrible... but inside the server is all working as it supposed to work. But in the workstation machines, it work only if I remove the secondary DNS!! If you need any details, just ask! thanks!

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• How to edit files directly on webdav in windows.

  - by phazei

  I have a webDAV setup with the cPanel webdisk. I can connect to it through NetHood and I can drag and drop files to/from there. What I can't do is simply edit any of the files directly. I need to copy it somewhere else, edit it, then copy it back. That's essentially what is needed with ftp, though smart clients will monitor the file, making it easier than webDAV in the current state I'm using it in. I was under the impression that webdav was supposed to let me work on the files as if it were a local drive. But nothing can actually open the files. How can I go about bringing more functionality around to it? Or is this as good as it gets? I have tried 'net use q:\ https://myserver.com:2078' and 'net use q:\ '\myserver.com@SSL:2078\' but neither work and only throws: "System error 67 has occurred. The network name cannot be found." I ultimately want to use TortiseSVN with the webDAV so I can have my working copy running on the server.

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• WAMP starts Apache or Mysql, but not both?

  - by ladenedge

  When I install WAMP, the Apache and Mysql services are set to run as the LocalService user and all works well. However, because I need to access remote UNC paths in my PHP code, I need to run at least Apache as a user that exists on both the local host and the remote host - I'll call him WampUser. When both Apache and Mysql are set to start as WampUser, I cannot start both at the same time. If both are stopped, I can start either successfully. When I attempt to start the other, I get Error 1053: The service did not respond to the start or control request in a timely fashion. This error appears immediately - there is no timeout. When at least one of the services is set to start as LocalService, both start fine. I can, therefore, solve my problem by setting Apache to WampUser and Mysql to LocalService, but I'm more interested in why this is happening in the first place. I'm especially curious because this situation does not occur on other servers - something I've done to this server has made these two services exclusive when running as the same user. Here are some miscellaneous data points: I am using Windows Server 2003. I've provided recursive Full Control to the C:\wamp directory for WampUser. Nothing appears in the event log after the service fails. No log entries appear in either the Mysql log or the Apache error log. Neither application appears in the process list when the appropriate service is stopped. Any ideas?

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• SocketException (Timeout) only when running as scheduled task

  - by BVartin

  I'm running a C# web-scrapper application (that I wrote) on a Windows Server 2003 instance under a user belonging to the local Administrator group. When I run it within a desktop/remote-desktop session the application runs successfully but when I schedule it to run under the same user/security-context outside of the desktop session, all socket connections timeout. The scheduled task calls a batch file which in-turn calls the application. The Windows Server 2003 instance has a very basic configuration and isn't even connected to a domain. I cannot find anything in any firewall or security configuration which is preventing this but maybe I have overlooked something, can anyone be of any assistance? System.Net.WebException: Unable to connect to the remote server --- System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond X.X.X.X:443 at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.GetResponse()

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• Windows 7 wireless not seeing any networks

  - by jkohlhepp

  I think I have managed to confuse Windows 7. When I did the install, I had the network cable plugged in to my router, but the wireless card was also enabled. During the install, Windows 7 seemed to see my wireless network and even asked me for the WEP key. I know that it used the WEP key because I initially entered an invalid one and it gave me an error. Then the network said "SoAndSoWireless Connected". However, when I unplug or disable my wired network card, then I have no internet, and it can't see any networks. When I plug in the wired network card, it says "SoAndSoWireless Connected". Under Network and Internet Network Connections I have "Local Area Connection" and "Wireless Network Connection". The wired one's status is "SoAndSoWireless" and the wireless status is "Not Connected". Also, the wireless connection can't seem to see any other wireless networks in the area and I know there are tons. My neighbors have several. I've somehow seemingly confused Windows 7 into thinking that my wired network card is my wireless card or something. Any ideas on how to un-confuse it? This is a desktop machine by the way, if it matters. EDIT: Ah, I think part of the problem is that I named my network accidentally the same as the name of the wireless network being broadcast by the wireless router. So that might be why it says that name on the hard-wired connection. Perhaps the drivers just are completely not working for the wireless card. Thanks, ~ Justin

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• needing storage integrity (write/read) test - for BASH

  - by Mr. Bash

  In need of shell scripts / bash commands to verify data integrity of local harddrives, usb-drives, etc, ... Like the famous www.heise.de/download/h2testw; or something that is at least common within repositories. (h2testw writes a specific datastring over and over onto the medium, then reads it again to verify if it was written correctly and displays write/read time/speed.) please no dd if=/dev/random of=/dev/sdx bs=1k && dd if=/dev/sdx of=/dev/null bs=1k since it won't verify if everything was written correctly. It is only a test if read/write is successful to the device. So far, I'm not too happy with badblocks -w -v /dev/sdx1 either, since it seems rather slow and I don't know what it exactly writes, and if it considers wear-leveling on flash media. There is also a program named F3 http://oss.digirati.com.br/f3/ that needs to be compiled. Designed after h2testw, the concept sounds interesting, i'd just rather have it as a ready to go bash script.

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• Problem adding second domain controller to SBS 2008

  - by Quango

  Have an SBS 2008 server in one location, and want to add a backup domain controller at a different site. The two sites are linked by a VPN. New server is running Server 2008 R2, fully patched. At present it is a member server and the DNS is pointing at the SBS DNS. When I try running DCPROMO to connect the server, the wizard runs fine up to the point where the wizard is 'configuring Active Directory Domain Services' and 'examining forest': "The operation failed because: The wizard could not read operational attributes from the remote Active Directory Domain Controller SERVER.DOMAIN.LOCAL using LDAP. "The specified server cannot perform the requested operation." This error can occur if you have not been granted necessary permissions to read data in the directory. For more information, please see article 936241 in the Microsoft Knowledge Base (http://go.microsoft.com/fwlink/?LinkId=88420)." I was logged on as domain administrator. Interestingly the link is invalid and the KB article does not exist..! Settings: Configure this server as an additional Active Directory domain controller for the domain "[domain]". Site: [site] Additional Options: Read-only domain controller: "No" Global catalog: Yes DNS Server: Yes Update DNS Delegation: No Source domain controller: any writable domain controller Database folder: C:\Windows\NTDS Log file folder: C:\Windows\NTDS SYSVOL folder: C:\Windows\SYSVOL The DNS Server service will be configured on this computer. This computer will be configured to use this DNS server as its preferred DNS server.

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• NAT cause huge External (actually internal) bandwidth usage

  - by user67953

  We have 4 servers running in a data center, with internal IP: 192.168.3.* assigned. A hardware (FORTIGATE) firewall configured NAT, and it will lead the traffic as: external IP: 111.222.333.10 -> 192.168.3.10 www.server1.com 111.222.333.11 -> 192.168.3.11 www.server2.com 111.222.333.12 -> 192.168.3.12 www.server3.com In DNS, we have www.server1.com A 111.222.333.10 Now if I send a lot of data to www.server1.com from www.server2.com, the data will be send through 111.222.333.10 (external IP) and this cause our bandwidth usage huge (expensive!). The work around I have is to add a local host mapping to server2: 192.168.3.10 www.server1.com. That way when send files from server2 to www.server1.com, it will be internal. However, we are having more and more servers, it would be hard to manually add mapping to every server. Just wondering do we have another solution for this? Can we do something in the FORTIGATE firewall? ps. The DNS server being used is public, such as opendns, Google dns etc.

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• Can't pop3 from exchange server after a reboot

  - by BLAKE

  Last night I shutdown my Exchange 2003 Virtual Machine, I added a new VHD (For backups), and booted it again. Now I can't POP3 email from it with Outlook 2007. In Outlook I get the error: Task '[email protected] - Receiving' reported error (0x800CCC0F) : 'The connection to the server was interrupted. If this problem continues, contact your server administrator or Internet service provider (ISP).' Does anybody know what is wrong? All I did was a reboot. I haven't formated the added disk. There are no weird errors in the event log. I can still send mail with Outlook over port 25. I can send and recieve mail with OWA. I can POP3 the mail to my phone (it take about 15 minutes after sending a message, but I do get it eventually). EDIT: The 'Microsoft Exchange POP3' Service says that it is started but if I stop it and try to start it again, it fails saying 'Could not start the Microsoft Exchange POP3 service on Local Computer. Error 1053: The service did not respond to the start or control request in a timely fashion.' I did some googling and someone on exchangefreaks.com said that if I use task manager to 'End Task' on inetinfo.exe, then I can start the POP3 service fine. Does anyone know what causes this problem? I am fine for now since I did get the Service started, but If it does this after every reboot...

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• mysql is not connecting after data directory change

  - by user123827

  I've changed data directory in /etc/my.cnf. datadir=/data/mysql socket=/data/mysql/mysql.sock I also moved mysql folder from /var/lib/mysql/ to /data/mysql Now when i connect to mysql i get following error: [root@youradstats-copy mysql]# mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) also when i see /var/logs/msqld.log i get following messages in that: InnoDB: Setting log file /data/mysql/ib_logfile0 size to 512 MB InnoDB: Database physically writes the file full: wait... InnoDB: Progress in MB: 100 200 300 400 500 120704 7:43:31 InnoDB: Log file /data/mysql/ib_logfile1 did not exist: new to be created InnoDB: Setting log file /data/mysql/ib_logfile1 size to 512 MB InnoDB: Database physically writes the file full: wait... InnoDB: Progress in MB: 100 200 300 400 500 InnoDB: Cannot initialize created log files because InnoDB: data files are corrupt, or new data files were InnoDB: created when the database was started previous InnoDB: time but the database was not shut down InnoDB: normally after that. 120704 7:43:36 [ERROR] Plugin 'InnoDB' init function returned error. 120704 7:43:36 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. I shut down mysql properly before doing these changes and then started it properly but dont know why getting these messages. please help to solve issue as i have changed socket path in my.cnf but still its pointing to old path...

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• Best Practical RT, sorting email into queues automatically using procmail

  - by user52095

  I'm trying to get incoming e-mail to automatically go directly into whichever queue/ticket they are related to or create a new one if none exist and the right queue e-mail setup in the web interface is used. I will have too many queues to have two line items within mailgate per queue. A similar issue was discussed here (http://serverfault.com/questions/104779/procmail-pipe-to-program-otherwise-return-error-to-sender), but I thought it best to open a new case instead of tagging on what appeared to be an answer to that person's query. I'm able to send and receive e-mail (via PostFix) to the default rt user and this user successfully accepts all e-mail for the relative domain. I have no idea where the e-mail goes - it's successfully delivered, but it does not update existing tickets (with a Subject line match) and it does not create any new. Here's and example of my ./procmail.log: procmail: [23048] Mon Aug 23 14:26:01 2010 procmail: Assigning "MAILDOMAIN=rt.mydomain.com " procmail: Assigning "RT_MAILGATE=/opt/rt3/bin/rt-mailgate " procmail: Assigning "RT_URL=http://rt.mydomain.com/ " procmail: Assigning "LOGABSTRACT=all " procmail: Skipped " " procmail: Skipped " " procmail: Assigning "LASTFOLDER={ " procmail: Opening "{ " procmail: Acquiring kernel-lock procmail: Notified comsat: "rt@18337:./{ " From [email protected] Mon Aug 23 14:26:01 2010 Subject: RE: [RT.mydomain.com #1] Test Ticket Folder: { 1616 Does the notified comsat portion mean that it notified RT? The contents of my ./procmailrc: #Preliminaries SHELL=/bin/sh #Use the Bourne shell (check your path!) #MAILDIR=${HOME} #First check what your mail directory is! MAILDIR="/var/mail/rt/" LOGFILE="home/rt//procmail.log" LOG="--- Logging ${LOGFILE} for ${LOGNAME}, " VERBOSE=yes MAILDOMAIN="rt.mydomain.com" RT_MAILGATE="/opt/rt3/bin/rt-mailgate" #RT_MAILGATE="/usr/local/bin/rt-mailgate" RT_URL="http://rt.mydomain.com/" LOGABSTRACT=all :0 { # the following line extracts the recipient from Received-headers. # Simply using the To: does not work, as tickets are often created # by sending a CC/BCC to RT TO=`formail -c -xReceived: |grep $MAILDOMAIN |sed -e 's/.*for *<*\(.*\)>* *;.*$/\1/'` QUEUE=`echo $TO| $HOME/get_queue.pl` ACTION=`echo $TO| $HOME/get_action.pl` :0 h b w |/usr/bin/perl $RT_MAILGATE --queue $QUEUE --action $ACTION --url $RT_URL } I know that my get_queue.pl and get_action.pl scripts work, as those have been previously tested. Any help and/or guidance you can give would be greatly appreciated. Nicôle

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• How do I make dnsmasq serve IP addresses via IPoIB?

  - by Matt

  I have a cluster farm that I'm setting up. The nodes (computers in the farm) are connected via ethernet & IP over Infiniband. I'm needing to netboot the nodes and thought dnsmasq would fit well as it provides all the features including support for DHCP over IB and it works great for our ethernet setup. However, I can't seem to get it to provide IP addresses to the infiniband adaptors on the nodes. Each node is running an Ubuntu desktop 12.04 LTS. The dnsmasq server is running on ubuntu server 12.04LTS and has the following test config: dhcp-authoritative domain-needed bogus-priv expand-hosts no-hosts domain=local dhcp-range=eth0,10.0.0.10,10.0.0.255,12h dhcp-option=eth0,3,10.0.0.1 dhcp-range=ib0,10.1.1.10,10.1.1.255,12h dhcp-option=ib0,3,10.1.1.1 log-queries log-dhcp IPoIB works between nodes when configured statically but not with dhcp. On the nodes the file /etc/network/interfaces contains auto lo iface lo inet loopback auto ib0 iface ib0 inet dhcp #iface ib0 inet static #address 10.1.1.5 #netmask 255.0.0.0 up echo connected >`find /sys -name mode | grep ib0` Is there something I need to do on the client or server end to make this work?

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• Steps after installing vCenter Server?

  - by goober

  I'm working with: Two new ESX servers that I'm configuring A new Server 2008 R2 machine that I'm using for vCenter. I took the following steps: Installed the Hypervisor on the 2 ESX machines Checked their setup/connectivity (appears to be fine; can ping, etc.) Installed vCenter Server on the Win2k8R2 box. This included the install of a SQL Express database (we're a small shop) FYI, I changed some of the ports (443 -- 8443, 80 --8080, etc.) Installed vCenter Web Client Server on the Win2k8R2 box Problems my vSphere Client on my Desktop fails to connect. Part of this is that it asks me for a username and password, but I don't recall specifying one when I set up the install. I receive the error "vSphere Client could not connect to [machinename]. An unknown connection error occurred. (The request failed because of a connection failure. (Unable to connect to the remote server))" I have also tried to use local machine admin credentials, including the format machinename\localuseracct. I have also tried using my domain credentials which are an admin for that box. I have also checked and the service is running. I also tried to connect via vSphere client locally installed on the server. It translates "localhost" to the correct name but gives the same error. I cannot register the vCenter server from the vCenter Web Client Server. I'm not sure if this is necessary, as they're both on the same machine, but it seems like the logical next step. I also receive a "failed to connect" error in this case as well. FYI, both the vCenter server and the vCenter Web Client Server are installed on the same Win2k8R2 server. What am I missing here? What is the best way to test in this case?

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• Kerberos service on win2k dc will not start following disk failure

  - by iwilson68

  Hi, I have a win2k (mixed mode domain) with 4 DCS. One of these also acts an exchange 2000 server which uses 2 logical volumes from an MSA 2000 array. AD etc is stored on local drives. We experienced a problem last week when the raid array fell back to a redundant controller and this temporarily meant that the two logical drives were not visible to the server for around 5 minutes and a couple of reboots. The log records these Events as Type: Warning Event Source: Disk Event Category: None Event ID: 51 Date: 06/11/2009 Time: 11:46:23 User: N/A Computer: server1 Description: An error was detected on device \Device\Harddisk1\DR1 during a paging operation. Following these problems, the server “kerberos Key Distribution” service refuses to start with an “error.31 a device attached to the system is not functioning”. All other automatic start services (including net logon) are running and there are no DNS issues etc. All devices are also functioning but the two logical MSA disks are now numbered in the Windows Disk Management MMC as 2 and 4 and I suspect that they may have previously been identified as disks 1 & 2 and perhaps windows still sees this as an ongoing failure?? Replication has not been affected but obviously there are many audit failures in the security log relating to users and workstations presumably linked to the Kerberos issue. Attempting to manually start the kerberos service generates the following in the System Log. Event Type: Error Event Source: Service Control Manager Event Category: None Event ID: 7023 Date: 09/11/2009 Time: 09:46:55 User: N/A Computer: Server1 Description: The Kerberos Key Distribution Center service terminated with the following error: A device attached to the system is not functioning. DCDIAG passes all tests except “Advertising” and “Services” which I believe relate directly to the failure of Kerberos only. Any advice would be appreciated.

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• Mac OS X printing to CUPS - More intuitive authentication failure?

  - by Moduspwnens

  We have a network-wide CUPS server that offers authenticated printer access to all our campus users. We've been pretty disappointed with the way Mac clients handle bad printing authentication, though. In any other authentication dialog, when a user types in a bad username or password, the window shakes briefly, allowing the user to re-enter. With printers, this isn't the case. It'll happily accept (and even save to the keychain, if specified) bad credentials. The authentication dialog is dismissed, and the user then has to deal with the print jobs showing up as "On hold (authentication required)". To get their job printed, they need to select it in the printer's queue, click "Resume", then re-enter appropriate credentials. Is there a way to get failed printing authentication to work more intuitively for Mac OS X clients? We're trying to support a BYOD environment, but our end users have been really confused by this. It's made even worse by the way it pre-populates the user's full login name (e.g. "Smith, John"), which tends to make them think to use their local machine passwords.

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