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• SQL 2008 SP1 crashing almost daily

  - by matijake

  Hey, almost every day our new DB crashes. It is virtual server residing on same hardware as 5 other servers, two of them beeing identical MS SQL2008sp1 and two Oracle 11g's so I can pretty much rule out hardware issues. Server has dedicated local LUN, 4vCPU and 8GB memory with 2GB windows swap file. It runs 4 instances. Primary instance is limited to 5GB memory and paralelism set to 4 running on MS SQL 2008 SP1 @ Windows Server 2008 Enterprise R2 x64. Only that primary instance is crashing. After it crashes nothing can connect to it, it's even impossible to shut it down through service manager. What I found in logs is: ***Stack Dump being sent to C:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\LOG\SQLDump0081.txt SqlDumpExceptionHandler: Process 4788 generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server i s terminating this process.     Whole log can be seen at: http://kabl.org/files/SQLDump0081.txt second crash log made second later at: http://kabl.org/files/SQLDump0082.txt I have analyzed mini crashdump with Microsoft tools, but no promising results. If it can help, here it is: http://kabl.org/files/SQLDump0081.mdmp Any ideas are greatly welcome, since it is becoming quite a pain in the ass to restart server almost every day :) Regrads, -Matija

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• Specific DNS sometimes resolves to wildcard, incorrectly

  - by Mojo

  I have an intermittent problem, and I'm not sure where to start trying to troubleshoot it. In our dev environment, we have two visible IP addresses on load balancers, one to the front-end, and one to a number of back-end service machines. The front-end is configured to take a wildcard DNS name to support generic "portals." dev.example.com A 10.1.1.1 *.dev.example.com CNAME dev.example.com The back-end servers are all specific names within the same space: core.dev.example.com A 10.1.1.2 cms.dev.example.com CNAME core.dev.example.com search.dev.example.com CNAME core.dev.example.com Here's the problem. Periodically a developer or a program trying to reach, say, cms.dev.example.com will get a result that points to the front-end, instead of the back-end load balancer: cms.dev.example.com is an alias to core.dev.example.com core.dev.example.com is an alias to dev.example.com (WRONG!) dev.example.com 10.1.1.1 The developers are all on Mac OS X machines, though I've seen the problem occur on an Ubuntu machine as well, using a local cloud host DNS resolver. Sometimes the developer is using a VPN, which directs the DNS to its own resolver, and sometimes he's on the local net using a DNS resolver assigned by the NAT router. Sometimes clearing the Mac OS X DNS cache, logging into the VPN, then logging out of the VPN, will make the problem go away. The origin authoritative server is on zerigo, and a dig directly to their name servers always seems to give the correct answer. The published DNS cache time for these records is 15 minutes, but the problem has been intermittent for about a week. Any troubleshooting suggestions?

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• Philips Monitor problems - vertical lines on screen

  - by asdasd

  I have an old CRT Philips Monitor 17'' and it was working well. There were problems with the electrical power and the monitor started to make some sound and a smoke was getting out of it. I quickly switched it off the power, and in the morning when the power was ok i started the monitor and it appeared to be working and it worked for a couple of minutes when i find out some smell was coming from it, and after 5 minutes the screen i was working shut down and on the monitor some vertical lines appeared - and nothing else. I thought it was the OS, so i rebooted the pc and while it was booting i realized the monitor didn't show the bios info etc, but the same vertical lines on the whole screen were on it, sometimes their color was changing and they were blinking, but no screen appeared - only those vertical lines. After a day, the monitor was ok again - i turned it on and no there were no lines, everything was working fine. The same for the next 2 days. My question is: If anyone had ever had the same problem, can you help me ? THe monitor may be ok now but i am afraid it can get back those lines again. I don't know what to do, if you know please tell me whether should i take it to the service or not. Thank you.

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• Microsoft , Hotmail , Live , MSN, Outlook , unable to send emails and no support received from microsoft in 3 months we are trying asking for that

  - by bombastic

  Ok this is somenthing unbelievable, we have a website, users sign up and receives links to confirm they signed up BUT: 1 - microsoft blocked our IP (no one with microsoft email account can receive our emails) 2 - we tryed contacting microsoft submitting the detailed form about our problem 3 - we posted 3 times in their community about our problem 4 - we tweeted they about our problem 5 - we tryed finding out some telephone support number (the few there are arent' helping at all) Do you think we solved? the answer is NO :/ We still unable to send emails from our IP to microsoft email accounts, since 3 months back. Our emails are perfect we checked all the email headers following microsoft guidelines but it seems not enought, checking our IP reputation it seems everythings ok, indeed we can send email easly to any other provider , gmail, yahoo, etc Do you know any other way to try to get help ? FULL STACK ERROR FROM MICROSOFT: host mx1.hotmail.com[65.55.37.120] said: 550 SC-001 (COL0-MC4-F28) Unfortunately, messages from 94.23.***** weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL FROM command) We are running a Virtual Private Server , so no HOSTING SITE, using NGINX too

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• Local DNS and Apache Server Configuration Interferring - example.com / www.example.com

  - by nicorellius

  I have a domain for my site: example.com I am also running local DNS with these lines: www IN CNAME server.<host_provider>.com. dev IN CNAME server.<host_provider>.com. So www.example.com and dev.example.com go to production and development sites, respectively, that are hosted by a host company. In my Apache configuration for the main site, I'm running a rewrite rule like this: RewriteEngine ON RewriteCond %{HTTP_HOST} ^example\.com$|!dev\.example\.com$ [NC] RewriteRule ^(.*)$ http://www\.%{HTTP_HOST}/$1 [R=302,L,NE] This rule seems to work, as when you are off the network and go to example.com in the browser, you get redirected to www.example.com. The problem is when I'm on the network, and I go to example.com I get an error page, saying page can't be found. No server errors; just a page can't be found, as if the local DNS is causing it to stop looking at that point. I'm also using Nettica for DNS service and have this A record in place: example.com Host (A) Default xxx.xx.xxx.xx This handles the external DNS, but my problem seems to be related to my internal DNS. For example, inside my network, I can go to servers on the network with addresses like this: server.example.com server1.example.com server2.example.com These are configured in my local DNS. I'm just not sure how to get past the "empty" subdomain and go to example.com. Adding to this since it might not be clear. If I'm out side the example.com network, on another network, like example123.com, then when I go to example.com I'm redirected to www.example.com as expected, eg, the Apache rewrite rule is working. Thanks in advance for any information.

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• Java web app deployment and ControlTier adoption

  - by Ran

  I've been searching for a configuration and deployment manager tool for my java-linux based web service and have been looking mainly at ControlTier (http://controltier.org). We operate at a medium scale (100's of hosts, multi-DC, dozens of services). There seem to be be plenty of lower level system admin tools such as chef, puppet, cfengine, bcfg2 and more and my understanding and the reason I'm calling them "low level" is that they are great for system level administration tasks such as setting up a mount, file permissions, users etc but aren't designed, for example for java deployments, which usually come with a build process and special java semantics. In many cases any tool can be used to do anything but if it was not designed for the task it can get uncomfortable. OTOH control-tier seem to have been designed just for that - java application deployments, at least that's what all the tutorials on their site demonstrate but here's the problem - The wiki at http://controltier.org/wiki/ is pretty good and stuffed with examples and the company behind the open source CT product is very responsive (pushy...) however, I'm yet to have seen any material from 3rd party users on the net. No success stories, no detailed blog posts, no best practices, no cheat sheets, not even hate letters, nothing. This plays badly for DTO solutions, CT's sponsor for two reasons, one is that it makes me suspicious what's the reason for the poor adoption? and second, what do I do if I get stuck and there's no help page on CT's wiki page and the mailing list is too slow to answer. I'm stuck with a "free" product that a consultancy company is pushing. So my question here - I'd be interested in hearing if anyone has had real world experience with CT for java based web app deployments and if he'd thumb up the product? Any other comments that may enlighten me are welcome of course...

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• Is there any way to retire a AT&T Yahoo Email Account

  - by KindaSortaAsking

  Here are the facts as I (pretty sure) know them. Yahoo handles AT&T's DSL email accounts. I've called AT&T tech support and customer service and they say they can't help, but there has GOT to be a way to do this. It's too simple of a thing not to be able to do. I got behind on my dsl bill and my account got suspended. When I paid my bill, they said my account had been deactivated and I had to get a new account. When I tried to register my account with my old email address it would not let me, saying it was in use. I used a new email. The old email address is tied to a dsl account that can NEVER be reactivated. There has got to be a way to retire the old email address so that I can re-create it as a subaccount on my new dsl account. I'm not interested in anything that was in the old account (emails, addresses, etc) - I just want the address back.

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• Kickstart CentOS 6 prompting for TCP/IP with network set to DHCP

  - by Andy Shinn

  I am trying to stop my kickstart CentOS install prompting me for TCP/IP information. After I click through this prompt (keeping IPv4 and IPv6 to their defaults) the installation continues and completes just fine. Below is my kickstart file: # Andy's super awesome VM kickstart file install url --url=http://mirrors.kernel.org/centos/6/os/x86_64 lang en_US.UTF-8 keyboard us text %include /tmp/network.ks rootpw --iscrypted $6$RA8DyrNTsVJkGIgY$ohZ62HHiOjNnn1yDMZlIu3lQ63D3plGPcbVZtPKE8Oq6Z.IGUgN.kNLkxs/ZymZuluRDWsW2eey5zLOl2G3mp. firewall --service=ssh authconfig --enableshadow --passalgo=sha512 selinux --disabled timezone America/Los_Angeles bootloader --location=mbr --driveorder=vda --append="crashkernel=auto rhgb quiet" # The following is the partition information you requested # Note that any partitions you deleted are not expressed # here so unless you clear all partitions first, this is # not guaranteed to work zerombr clearpart --all --drives=vda --initlabel part /boot --fstype=ext4 --size=500 part pv.253002 --grow --size=1 volgroup vg1 --pesize=4096 pv.253002 logvol / --fstype=ext4 --name=lv_root --vgname=vg1 --grow --size=1024 --maxsize=51200 logvol swap --name=lv_swap --vgname=vg1 --grow --size=4032 --maxsize=4032 repo --name="CentOS" --baseurl=http://mirrors.kernel.org/centos/6/os/x86_64 --cost=100 repo --name="Puppet Labs Products" --baseurl=http://yum.puppetlabs.com/el/6/products/x86_64 repo --name="Puppet Labs Dependencies" --baseurl=http://yum.puppetlabs.com/el/6/dependencies/x86_64 repo --name="EyeFi" --baseurl=http://flexo.eye.fi/6/eye-fi-api %packages @core @server-policy puppet facter %end %pre --erroronfail #!/bin/bash for x in `cat /proc/cmdline`; do case $x in SERVERNAME*) eval $x echo "network --onboot yes --device eth0 --bootproto dhcp --hostname ${SERVERNAME}.eye.fi" /tmp/network.ks ;; esac; done %end %post puppet agent --waitforcert 10 --onetime --no-daemon --pluginsync --server puppet.eye.fi %end reboot My kernel arguments are in this following virt-install command that I use to start the install: virt-install -n zabbix -r 2048 --vcpus=2 -l http://mirrors.kernel.org/centos/6/os/x86_64 --disk /dev/vg_inf1/zabbix --network bridge=br85 --initrd-inject=/home/ashinn/vm_kickstart --extra-args "ks=file:/vm_kickstart SERVERNAME=zabbix" --autostart During the install, I can pull up a console on the second terminal and verify the contents of /tmp/network.ks are: network --onboot=yes --bootproto=dhcp --ipv6=auto --hostname=jenkins2.mydomain.com Why might Anaconda be prompting for the TCP/IP settings when they are already set to DHCP?

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• Enable FTP on OS X 10.8 Mountain Lion Server

  - by Oleg Trakhman

  There is a LAN comprising several mac machines (iMac, Mac Pro, macbook etc.), Airport Express router and Mac Mini Server running OS X Server 10.8 (Mountain Lion Server). I need to share a folder on Mac Mini Server by FTP. What did I try so far: Made special partition for FTP Access, call it "Reports" So shared folder would be "/Volumes/Reports" Gave access every user and group in system, and also enabled guest access. I checked posix acl, which is "rwxrwxrwx", I checked sharing settings in "Preferences.app" and "Server.app" Checked that users have access to FTP service Enabled FTP in Server.app I tried access to shared folder (by FTP): via Cyberduck via Finder via shell: ftp server.local And what I got: $ ftp [email protected] Trying 10.0.2.2... Connected to server.local. 220 10.0.2.2 FTP server (tnftpd 20100324+GSSAPI) ready. 331 User ftpuser accepted, provide password. Password: 530 User ftpuser may not use FTP. and $ ftp [email protected] Trying 10.0.2.2... Connected to server.local. 220 10.0.2.2 FTP server (tnftpd 20100324+GSSAPI) ready. 331 User admin accepted, provide password. Password: 530 User admin denied by SACL. ftp: Login failed ftp> (admin is administrator account , ftpuser is special user account made to access ftp) What I'm doing wrong? Getting really tired of this...

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• Postfix unable to find local server

  - by Andrew

  I'm working with postfix on fedora 9 and I'm attempting to make some changes to a system setup by my predecessor. Currently the postfix server on [mail.ourdomain.com] is setup to forward mail sent to two addresses to another server for processing. The other server [www01.ourdomain.com] receives the email and sends it to a PHP script to be processed. Then that PHP script generates and sends a response to the user who sent the original email. We're adding more web servers to the system and as a result we've decided to move these processing scripts to our admin [admin.ourdomain.com] server to make them easier to keep track of. I've already setup and tested the processing scripts on [admin.ourdomain.com], and on the mail server doing the forwarding [mail.ourdomain.com] I added [admin.ourdomain.com] to /etc/hosts and also added another, aside from the one for [www01.ourdomain.com], entry to /etc/postfix/transport for [admin.ourdomain.com]. I also restarted postfix as well. I've tested the communication from [mail.ourdomain.com] to [admin.ourdomain.com] using telnet and the [admin.ourdomain.com] domain and everything runs correctly. But as soon as I change the forward address and attempt to send an email to the mail server I get a bounce message stating "Host or domain name not found. Name service error for name=admin.ourdomain.com type=A: Host not found". If I change the forward settings back to [www01.ourdomain.com] then everything works fine. Is there some setting I'm missing in Postfix? The server itself and telnet work fine it just seems to be postfix that's not able to discover the location of [admin.ourdomain.com].

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• How to find the real IP to which IPVS is routing a virtual IP

  - by Wayne Conrad

  I'm trying to find a problem server hiding behind a virtual IP (using LVS/ipvs). I've got a test program that sends requests to the virtual IP until it gets the bad response, but how can I tell to which real IP a request to the virtual IP got routed? On the box doing the virtual IP magic, here's the virtual IP configuration (for the service I care about): IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn ... TCP 10.1.0.254:5025 nq -> 10.1.0.5:5025 Route 1 0 1 -> 10.1.0.6:5025 Route 1 0 5 -> 10.1.0.7:5025 Route 1 0 2 -> 10.1.0.9:5025 Local 1 0 3 -> 10.1.0.11:5025 Route 1 0 3 ... My client program is sending TCP requests to 10.1.0.254:5025, usually getting a good response but sometimes a bad response. With this few servers, I could send my request to each server in turn until I discover the culprit, but I wonder if that technique will scale as we add servers. What means exist for me to find out where requests got routed? Kernel: Linux 2.6.32 OS: Debian testing (whatever that's called these days). ipvsadm is version 1.25, compiled with ipvs v1.2.1

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• Forwarding HTTP Request with Direct Server Return

  - by Daniel Crabtree

  I have servers spread across several data centers, each storing different files. I want users to be able to access the files on all servers through a single domain and have the individual servers return the files directly to the users. The following shows a simple example: 1) The user's browser requests http://www.example.com/files/file1.zip 2) Request goes to server A, based on the DNS A record for example.com. 3) Server A analyzes the request and works out that /files/file1.zip is stored on server B. 4) Server A forwards the request to server B. 5) Server B returns file1.zip directly to the user without going through server A. Note: steps 4 and 5 must be transparent to the user and cannot involve sending a redirect to the user as that would violate the requirement of a single domain. From my research, what I want to achieve is called "Direct Server Return" and it is a common setup for load balancing. It is also sometimes called a half reverse proxy. For step 4, it sounds like I need to do MAC Address Translation and then pass the request back onto the network and for servers outside the network of server A tunneling will be required. For step 5, I simply need to configure server B, as per the real servers in a load balancing setup. Namely, server B should have server A's IP address on the loopback interface and it should not answer any ARP requests for that IP address. My problem is how to actually achieve step 4? I have found plenty of hardware and software that can do this for simple load balancing at layer 4, but these solutions fall short and cannot handle the kind of custom routing I require. It seems like I will need to roll my own solution. Ideally, I would like to do the routing / forwarding at the web server level, i.e. in PHP or C# / ASP.net. However, I am open to doing it at a lower level such as Apache or IIS, or at an even lower level, i.e. a custom proxy service in front of everything. Thanks.

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• Website memory problem

  - by Toktik

  I have CentOS 5 installed on my server. I'm in VPS server. I have site where I have constant online ~150. First look on site looks OK. But when I go through links, sometimes I receive Out of memory PHP error. It looks like this Fatal error: Out of memory (allocated 36962304) (tried to allocate 7680 bytes) in /home/host/public_html/sites/all/modules/cck/modules/fieldgroup/fieldgroup.install on line 100 And always, not allocated memory is very small. In average I have 30% CPU load, 25% RAM load. So I think here is not a physical memory problem. My PHP memory limit was set to 1500MB. My apache error log looks like this [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Out of memory, referer: http://www.host.com/17402 [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Premature end of script headers: index.php, referer: http://www.host.com/17402 [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Out of memory, referer: http://www.host.com/17402 [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Premature end of script headers: index.php, referer: http://www.host.com/17402 [Thu Sep 30 17:49:00 2010] [error] [client 91.204.190.5] File does not exist: /home/host/public_html/favicon.ico Past I have not met with this on my server and the problem appeared itself. Besides this I'm receiving some server errors on mail. cpsrvd failed @ Fri Sep 24 16:45:20 2010. A restart was attempted automagically. Service Check Method: [tcp connect] Failure Reason: Unable to connect to port 2086 Same for tailwatchd. Support tried, and can't help me...

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• emails not sending from CentOS 5.6 VM on Win7 via PHP code

  - by crmpicco

  I am experiencing an issue where my CentOS 5.6 (Final) VM running on Windows 7 has stopped sending emails from my PHP code. I'm confident this isn't a coding issue as I have the exact same code running in my office and emails send correctly from there, hence why I believe this to be a networking/configuration issue. In my /etc/hosts/ file on my VM I have the following: 127.0.0.1 localhost.localdomain localhost 192.168.0.9 crmpicco.co.uk m.crmpicco.co.uk dev53.localdomain When I run setup on my VM the DNS configuration is set to dev53.localdomain and my Primary DNS is 192.168.0.1. In My /var/log/maillog files I see a lot of this sort of thing: Nov 19 14:36:58 dev53 sendmail[21696]: qAJEawI7021696: from=<[email protected]>, size=12858, class=0, nrcpts=1, msgid=<1353335817.9103820024efb30b451d006dc4ab3370@PHPMAILSERVER>, proto=ESMTP, daemon=MTA, relay=localhost.localdomain [127.0.0.1] Nov 19 14:36:58 dev53 sendmail[21693]: qAJEawvd021693: [email protected], [email protected] (48/48), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=42681, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (qAJEawI7021696 Message accepted for delivery) Nov 19 14:36:59 dev53 sendmail[21698]: qAJEawI7021696: to=<[email protected]>, delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=132858, relay=mailserver.fletcher.co.uk. [213.171.216.114], dsn=5.0.0, stat=Service unavailable Is this likely to be a configuration issue?

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• Password Protect XML-RPC

  - by Terence Eden

  I have a service running on a server which I want to access via XML-RPC. I've installed all the necessary bits. Within /etc/apache2/httpd.conf I have the single line SCGIMount /RPC2 127.0.0.1:5000 I can run xmlrpc commands from my server - and any server which connects to /RPC2. What I want to do is password protect the directory to stop unauthorised usage. Within /etc/apache2/httpd.conf I've added <Location /RPC2> AuthName "Private" AuthType Basic AuthBasicProvider file AuthUserFile /home/me/myhtpasswd Require user me </Location> Trying to access /RPC2 brings up the "Authorization Required" box and it accepts my username and password. However, xmlrpc now doesn't work! If I run xmlrpc localhost some_command on my server, I get the error Failed. Call failed. HTTP response code is 401, not 200. (XML-RPC fault code -504) Is there any way I can password protect my /RPC2 directory and have xmlrpc commands work?

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• CentOS tftp server is broken

  - by Mike Pennington

  I'm trying to run tftpd from xinetd on CentOS 6; however, I can only tftp from localhost. I have a file in /opt/tftpboot/fw.test.conf that I can retrieve if I tftp to localhost: [mpenning@localhost ~]$ tftp localhost tftp> get fw.test.conf tftp> quit [mpenning@localhost ~]$ ls fw.test.conf [mpenning@localhost ~]$ However, I cannot receive this file if I tftp to eth1 on this server (the address on eth1 is 172.16.1.4). [mpenning@localhost ~]$ sudo tshark -i eth1 udp and host 172.16.1.5 Running as user "root" and group "root". This could be dangerous. Capturing on eth1 0.000000 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 5.000133 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 10.000184 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 15.000297 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 20.000331 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 ^C5 packets captured [mpenning@localhost ~]$ I have the following xinetd configuration: [root@localhost mpenning]# cat /etc/xinetd.d/tftp # default: off # description: The tftp server serves files using the trivial file transfer \ # protocol. The tftp protocol is often used to boot diskless \ # workstations, download configuration files to network-aware printers, \ # and to start the installation process for some operating systems. service tftp { socket_type = dgram protocol = udp wait = yes user = root server = /usr/sbin/in.tftpd server_args = -s /opt/tftpboot disable = no per_source = 11 cps = 100 2 flags = IPv4 } [root@localhost mpenning]#

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• smbclient timing out

  - by Sam Lee

  I am trying to set up a Samba share on a Centos machine. I want to connect to this server using smbclient on OS X. Here is what happens: > smbclient -L X.X.X.X timeout connecting to X.X.X.X:445 timeout connecting to X.X.X.X:139 Error connecting to X.X.X.X (Operation already in progress) Connection to X.X.X.X failed What could be going wrong? Here is my iptables dump on the Centos machine (the server): > iptables -L -n Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 REJECT all -- 0.0.0.0/0 127.0.0.0/8 reject-with icmp-port-unreachable ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:445 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:3000 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:443 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:3000 And finally, my smb.conf: [global] workgroup = workgroup security = SHARE load printers = No default service = global path = /home available = No encrypt passwords = yes [share] writeable = yes admin users = myusername path = /home/myhome/ force user = root valid users = myusername public = yes available = yes

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• Network problems with Ubuntu on VMware

  - by svick

  I'm running Ubuntu 10.04 inside VMware Player running under Windows Vista and I can't connect to the internet or the host computer from the Ubuntu. I have set all the VMware services to “manual” (like VMware DHCP Service), but starting them manually doesn't help. In VMware, the network seems to work (there is a green dot beside the network icon) and I have tried both Bridged and NAT settings. ifconfig doesn't show the eth1 interface, unless I give it as a parameter (or use -a). I think this means that Ubuntu thinks that the network isn't connected at all. How do I fix this? ifconvadmin@ubu1004:~$ ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:56 errors:0 dropped:0 overruns:0 frame:0 TX packets:56 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:4192 (4.1 KB) TX bytes:4192 (4.1 KB) vadmin@ubu1004:~$ ifconfig eth1 eth1 Link encap:Ethernet HWaddr 00:0c:29:2d:a0:6f BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:18 Base address:0x2000

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• No audio in my ubuntu system

  - by hap497

  Hi, I am running ubuntu 9.10. But there is no sound in my environment. When I go to System-Preference, there is no 'sound' entry there. $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: I82801AAICH [Intel 82801AA-ICH], device 0: Intel ICH [Intel 82801AA-ICH] Subdevices: 1/1 Subdevice #0: subdevice #0 $ lsmod Module Size Used by usb_storage 52576 3 binfmt_misc 8356 1 vboxvfs 34620 0 vboxvideo 1884 1 drm 159584 2 vboxvideo agpgart 34988 1 drm snd_intel8x0 30168 2 snd_ac97_codec 101216 1 snd_intel8x0 ac97_bus 1532 1 snd_ac97_codec snd_pcm_oss 37920 0 snd_mixer_oss 16028 1 snd_pcm_oss snd_pcm 75296 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd_seq_dummy 2656 0 snd_seq_oss 28576 0 iptable_filter 3100 0 snd_seq_midi 6432 0 ip_tables 11692 1 iptable_filter x_tables 16544 1 ip_tables snd_rawmidi 22208 1 snd_seq_midi snd_seq_midi_event 6940 2 snd_seq_oss,snd_seq_midi ppdev 6688 0 snd_seq 50224 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event snd_timer 22276 2 snd_pcm,snd_seq snd_seq_device 6920 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq psmouse 56500 0 serio_raw 5280 0 snd 59204 14 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_ oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_ti mer,snd_seq_device i2c_piix4 9932 0 parport_pc 31940 0 soundcore 7264 1 snd snd_page_alloc 9156 2 snd_intel8x0,snd_pcm vboxguest 143836 7 vboxvfs lp 8964 0 parport 35340 3 ppdev,parport_pc,lp pcnet32 32644 0 mii 5212 1 pcnet32 floppy 54916 0 ~:987:2$ lspci 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) 00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] 00:01.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01) 00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter 00:03.0 Ethernet controller: Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE] (rev 40) 00:04.0 System peripheral: InnoTek Systemberatung GmbH VirtualBox Guest Service 00:05.0 Multimedia audio controller: Intel Corporation 82801AA AC'97 Audio Controller (rev 01) 00:06.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB 00:07.0 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 0 00:0b.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller ~:988:3$

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• How can I recover a Fedora 12 installation that is showing signs of disk errors?

  - by Bob Cross

  I am currently overseas (i.e., very far from my normal library of tools) and my primary machine that would normally act as the data server in the performance test that we're trying to run is failing to boot to Fedora 12 properly. This is a machine that, as of yesterday, was booting fine. However, this morning, very strange portions of the boot process were complaining with messages such as "unexpected 0x0 in rpcbind" and "bad file descriptor" (I don't have the error in front of me - scavenged a windows installation to get onto serverfault). Eventually, the boot hung for a long time at the NFS service and then brought up what looked like the KDE login screen but neither the mouse nor keyboard functioned. In olden days, I would try to get to a point where I could manage to run fsck and pray that the bad sectors would come back into alignment just long enough for me to scrape the critical data off of the machine. However, now that we live in the future, it seems like our options in situations like this should be a little more varied. Is there a way to recover a Fedora 12 installation with bad disk sectors that won't boot properly? For completeness, I am comfortable working with bootable recovery distros-on-CD and such but I don't know which one is likely to work best with modern Fedora. In the absence of guidance, I'm frantically torrenting the Fedora 12 Live CD and DVD, hoping to try rescue mode before tomorrow morning.

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• SkyDrive broken after upgrade to Windows 8.1: "This location can't be found, please try later"

  - by avo

  Upgrading from Windows 8 to Windows 8.1 via the Store upgrade path has screwed my SkyDrive. The C:\Users\<user name>\SkyDrive folder is empty (it only has single file desktop.ini). When I open the native (Store) SkyDrive app, I see "This location can't be found, please try later". I'm glad to still have my files alive online in my SkyDrive account. I tried disconneting from / reconnecting to my Microsoft Account with no luck. Anyone has an idea on how to fix this without reinstalling/refreshing Windows 8.1? From Event Viewer: Faulting application name: skydrive.exe, version: 6.3.9600.16412, time stamp: 0x5243d370 Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000 Exception code: 0x00000000 Fault offset: 0x0000000000000000 Faulting process ID: 0x4e8 Faulting application start time: 0x01cece256589c7ee Faulting application path: C:\Windows\System32\skydrive.exe Faulting module path: unknown Report ID: {...} Faulting package full name: Faulting package-relative application ID: Also: The machine-default permission settings do not grant Local Activation permission for the COM Server application with CLSID {C2F03A33-21F5-47FA-B4BB-156362A2F239} and APPID {316CDED5-E4AE-4B15-9113-7055D84DCC97} to the user NT AUTHORITY\LOCAL SERVICE SID (S-1-5-19) from address LocalHost (Using LRPC) running in the application container Unavailable SID (Unavailable). This security permission can be modified using the Component Services administrative tool. Never was a big fan of in-place upgrade anyway, but this time it was a machine which I use for work, with a lot of stuff already installed on it. Shouldn't have tried to upgrade it in the first place, but was convinced Windows 8.1 is a solid update. Another lesson learnt.

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• How to diagnose website performance/app pool recycling with Windows 2008/IIS7

  - by ilasno

  Ok, so there are various symptoms here (clients and and our own employees complaining of intermittent slowdowns, getting 'kicked out' to login page or just having a save request not properly save the submitted data). The environment: Windows Server 2008 (Datacenter), Service Pack 2, 64-bit, 2x2.8 GHz processors, 7.5 GB RAM MS SQL Server 2008 (running on the same machine) IIS 7 There are ~10 websites running on the server, each in their own application pool - most of these pools are running in Integrated mode, 2 are in Classic, all are on .NET 2.0 and all run as ApplicationPoolIdentity. I'm trying to analyze, diagnose, and troubleshoot and am struggling with where to get more info about what could be happening. Here are some steps i have already taken: Set each application pool to recycle once per day, and removed any other automatic recycling Set a Virtual Memory Limit for each to 1024000KB (1GB) Enabled ALL 'Generate Recycle Event Log Entry' entries (Config Changes, Isapi Reported Unhealthy, Manual Recycle, Private Memory Limit Exceeded, Regular Time Interval, Request Limit Exceeded, Specific Time, Virtual Memory Limit Exceeded) I have seen the app pool processes recycle (in Task Manager) - a new one will start up, and then the first one dies off - and this has happened without the memory or time going over the settings. This is a fairly new server, and most of these came from Windows Server 2003/IIS6. Any 'next steps' for setting up information gathering, logging, diagnosing, etc. would be much appreciated! j

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• Dovecot unable to perform mysql query

  - by NathanJ2012

  I have been following the ISPMail tutorials on workaround.org (the 2.9 Wheezy version) and thus far everything has been working fine. When I reached the step to "Testing email delivery" step I noticed a error about the query in the output log from /var/log/mail.log. May 14 06:48:59 mail postfix/pickup[17704]: EA4AD240A98: uid=0 from=<root> May 14 06:48:59 mail postfix/cleanup[17776]: EA4AD240A98: message-id=<[email protected]> May 14 06:48:59 mail postfix/qmgr[17706]: EA4AD240A98: from=<[email protected]>, size=429, nrcpt=1 (queue active) May 14 06:49:00 mail dovecot: auth-worker(17782): mysql(127.0.0.1): Connected to database mailserver May 14 06:49:00 mail dovecot: auth-worker(17782): Warning: mysql: Query failed, retrying: Table 'mailserver.users' doesn't exist May 14 06:49:00 mail dovecot: auth-worker(17782): Error: sql([email protected]): User query failed: Table 'mailserver.users' doesn't exist (using built-in default user_query: SELECT home, uid, gid FROM users WHERE username = '%n' AND domain = '%d') May 14 06:49:00 mail dovecot: lda([email protected]): msgid=<[email protected]>: saved mail to INBOX May 14 06:49:00 mail postfix/pipe[17780]: EA4AD240A98: to=<[email protected]>, relay=dovecot, delay=0.09, delays=0.03/0.01/0/0.06, dsn=2.0.0, status=sent (delivered via dovecot service) May 14 06:49:00 mail postfix/qmgr[17706]: EA4AD240A98: removed I found this rather interesting that it isn't finding the DB so I went back through and checked EVERY file that I touched that involved the DB (including the postfix cf files) and everything is correct so I am baffled at this point, but oddly enough it would seem the email still made it to the correct destination in /var/vmail/domain.com/. Should I be worried about this or am I missing something here? Since it is a message from dovecot it would be the query from dovecot-sql.conf.ext which I am including here driver = mysql connect = host=127.0.0.1 dbname=mailserver user=blocked password=***REMOVED*** default_pass_scheme = PLAIN-MD5 password_query = SELECT email as user, password FROM virtual_users WHERE email='%u';

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• Can I use IIS to do ActiveDirectory single-sign-on for another website?

  - by brofield

  I'm trying to add Active Directory single-sign-on support to an existing SOAP server. The server can be configured to accept a trusted reverse-proxy and use the X-Remote-User HTTP header for the authenticated user. I want to configure IIS to be the trusted proxy for this service, so that it handles all of the Active Directory authentication for the SOAP server. Basically IIS would have to accept HTTP connections on port X and URL Y, do all the authentication, and then proxy the connection to a different server (most likely the same X and Y). Unfortunately, I have no knowledge of IIS or AD (so I am trying my best to learn enough to build this solution) so please be gentle. I would assume that this is not an uncommon scenario, so is there some easy way to do this? Is this sort of functionality built into IIS or do I need to build some sort of IIS proxy program myself? Is there a better option for getting the authentication done and the X-Remote-User HTTP header set than requiring IIS? Update: For example, what I am trying to create is: [CLIENT] [IIS] [AD] [SOAP-SERVER] 1. |---------------->| 2. |<--------------->|<---------->| 3. |--------------------------->| 4. |<---------------------------| 5. |<----------------| 1. POST to http://example.com/foo/bar.cgi 2. Client is not authenticated, so do authentication 3. Once validated, send request to server (X-Remote-User: {userid}) 4. Process request, send response 5. Forward response to client I need to know how to configure IIS to do the automatic authentication of the user using AD, and then to proxy the request to the actual server, sending the userid in the X-Remote-User HTTP header.

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• SQL Full-Text indexing not populating

  - by Sam

  We installed a clustered SQL 2005 installation on windows 2008 and reattached our san drives from another machine and restored to do a migration to new hardware. There have been a few minor issues, but this one has me stuck. Trying to populate Full-Text indexes is not working. I create a basic table with some simple text in a new database and get the same results as old indexes. 2010-09-27 10:30:46.85 spid19s Informational: Full-text Full population initialized for table or indexed view '[SQL_DBA].[dbo].[CIS_Report_Executions]' (table or indexed view ID '1767677345', database ID '5'). Population sub-tasks: 1. 2010-09-27 10:31:15.36 spid19s Error '0x80070003' occurred during full-text index population for table or indexed view '[SQL_DBA].[dbo].[CIS_Report_Executions]' (table or indexed view ID '1767677345', database ID '5'), full-text key value 0x000001DF. Attempt will be made to reindex it. 2010-09-27 10:31:15.37 spid19s The component 'MSFTE.DLL' reported error while indexing. Component path 'D:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\MSFTE.DLL'. 2010-09-27 10:31:15.37 spid19s Error '0x80070003' occurred during full-text index population for table or indexed view '[SQL_DBA].[dbo].[CIS_Report_Executions]' (table or indexed view ID '1767677345', database ID '5'), full-text key value 0x000001E0. Attempt will be made to reindex it. The rebuild/repopulate procedure finishes, but I get zero rows in the index. The .dll in the message is present and the service accounts have access to this. My FTData also has data in it, so it seems there wouldn't be permission issue on this folder. Application throws this error: “PHP Warning: mssql_query() [function.mssql-query]: message: Full-text catalog 'ikm_PageIndex_FText' is in an unusable state. Drop and re-create this full-text catalog. (severity 16) in E:\Inetpub\knowledgebase_insidemesa\lib\database\mssql.php on line 154” A microsoft discussion is the only post I found which had claimed to fix this - said it was registry related, but then didn't post the fix.

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