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  • How to use nsupdate to create NAPTR record

    - by Jon Skarpeteig
    What's a working example for creating a NAPTR record using nsupdate against Bind9? man nsupdate sais: update add {domain-name} {ttl} [class] {type} {data...} Adds a new resource record with the specified ttl, class and data. But I can't seem to find the correct format for NAPTR My attempt: echo -e 'update add enum.example.com 60 IN NAPTR 1.1.1.1.1."u"."E2U+sip"."!^.*[email protected]!" .'"\nsend"|nsupdate results in: invalid rdata format: not a valid number syntax error

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  • Update to Lion, Cannot boot into Bootcamp partitions, but can use in Parallels

    - by Jon Jester
    Using Snow Leopard had boot camp partitions for both XP and Windows 7. These were both accessible through Parallels 7 or through direct boot through boot camp. Each is on a separate partitioned hard drive. Upgraded to Lion, both were still accessible through Parallels, but have not been able to directly boot into either. Unfortunately is important to me to be able to boot into a least the Windows 7 partition. Have tried virtually everything I can find online. Seen similar issues, but nothing where they were usable virtually but not directly. Nothing works. reFit, correcting the master boot records in Windows with command line, have wiped the Windows 7 partition clean and reinstalled Windows 7 several times 1st using Boot Camp4 drivers then using Boot Camp3 drivers. Have tried resizing the bootcamp partitions. When booting into the Boot Camp partitions directly will go all the way to seeing the desktop before it fails, where I get a Windows error screen. I can see all the disks and their appropriate partitions both in OS X disk utility as well as the Windows installer utility.

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  • Does this file format exist?

    - by Jon Chase
    Is there a file format that handles the following use case... I'd like to create a tar file (or whatever - I'm just using tar here b/c it's a well known file format for containing multiple files) that would be usable even if I only had access to specific chunks of said file. For example, say I tar up my mp3 and photo collection into a 100GB tar file, then put the file into some long term storage somewhere. Later, I want to access a specific mp3 file. I don't want to download the entire 100GB tar file just to get to one mp3. In fact, let's say I can't download the entire 100GB tar file. Instead, I'd like to say "give me megabytes 10 through 19 of the 100GB tar file" and then have the mp3 magically extracted from those 10 megabytes. Does a file format like this exist?

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  • eSata plugged into Sata socket via adaptor cable very slow

    - by Jon
    Why would an external eSata Drive (xSonic with 500Gb notebook Hard Drive) run ok on a Silicon Image based PCI-E to eSata adaptor at about 35MB/s, But then run really slow when plugged into NForce4 Sata socket via cable? I have another version of the problem with Really slow 1MB/s!!! performance on a ASUS P5K Pro Motherboard with E8400 CPU. This time the same card is plugged into a PCI-E socket. The same eSata drive is plugged into the Esata port on the card. All this is running on Windows XP Pro 32bit. Any suggestions on how to diagnose the problems??

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  • How to allow users to monitor performance of a set of servers without touching every server?

    - by Jon Seigel
    I'm not a sysadmin, so this may be trivial. We have about 20 Windows Server 2008 R2 VMs we want to monitor centrally using Perfmon. The only issue is that the user account that's going to be doing the monitoring is not (and I assume will never be) in the Administrators group. The servers, and the user account (currently one, but could be more) are all on the same domain. Right now we're running a pilot with 5 of the servers, touching each VM manually to set the permissions, which is already getting cumbersome to manage. If we decide to roll this out to all the servers, we need a scalable solution to control access. What is the most flexible way to accomplish this? I'd like a solution that would work with 200 servers just as easily as the 20 servers we have now.

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  • SATA drive problems with two SIL RAID cards

    - by Jon Topper
    I've just put a second SiI 3114 SATARaid card in my home server so that I could add another pair of SATA drives and increase my storage space. Annoyingly, it doesn't seem to work: [ 32.816030] ata5: lost interrupt (Status 0x0) [ 32.816072] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [ 32.816091] ata5.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in [ 32.816094] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 32.816101] ata5.00: status: { DRDY } [ 32.816117] ata5: hard resetting link [ 33.136082] ata5: SATA link down (SStatus 0 SControl 0) [ 36.060940] irq 18: nobody cared (try booting with the "irqpoll" option) [ 36.060949] Pid: 0, comm: swapper Not tainted 2.6.31-20-generic #58-Ubuntu [ 36.060954] Call Trace: [ 36.060977] [] ? printk+0x18/0x1c [ 36.060997] [] __report_bad_irq+0x27/0x90 [ 36.061005] [] note_interrupt+0x150/0x190 [ 36.061011] [] handle_fasteoi_irq+0xac/0xd0 [ 36.061023] [] handle_irq+0x18/0x30 [ 36.061029] [] do_IRQ+0x47/0xc0 [ 36.061042] [] ? irq_exit+0x50/0x70 [ 36.061058] [] ? smp_apic_timer_interrupt+0x57/0x90 [ 36.061065] [] common_interrupt+0x30/0x40 [ 36.061075] [] ? native_safe_halt+0x5/0x10 [ 36.061082] [] default_idle+0x46/0xd0 [ 36.061088] [] cpu_idle+0x8c/0xd0 [ 36.061103] [] rest_init+0x55/0x60 [ 36.061111] [] start_kernel+0x2e6/0x2ec [ 36.061117] [] ? unknown_bootoption+0x0/0x19e [ 36.061133] [] i386_start_kernel+0x7c/0x83 [ 36.061137] handlers: [ 36.061139] [] (sil_interrupt+0x0/0xb0) [ 36.061151] Disabling IRQ #18 [ 38.136014] ata5: hard resetting link [ 38.456022] ata5: SATA link down (SStatus 0 SControl 0) [ 43.456013] ata5: hard resetting link [ 43.776022] ata5: SATA link down (SStatus 0 SControl 0) [ 43.776035] ata5.00: disabled [ 43.776055] ata5.00: device reported invalid CHS sector 0 [ 43.776074] sd 4:0:0:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 43.776082] sd 4:0:0:0: [sde] Sense Key : Aborted Command [current] [descriptor] [ 43.776092] Descriptor sense data with sense descriptors (in hex): [ 43.776097] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00 [ 43.776112] 00 00 00 00 [ 43.776118] sd 4:0:0:0: [sde] Add. Sense: No additional sense information [ 43.776127] end_request: I/O error, dev sde, sector 0 [ 43.776136] Buffer I/O error on device sde, logical block 0 [ 43.776170] ata5: EH complete [ 43.776187] ata5.00: detaching (SCSI 4:0:0:0) root@core:~# cat /proc/interrupts CPU0 0: 47 IO-APIC-edge timer 1: 8 IO-APIC-edge i8042 6: 3 IO-APIC-edge floppy 7: 0 IO-APIC-edge parport0 8: 0 IO-APIC-edge rtc0 9: 0 IO-APIC-fasteoi acpi 14: 53069 IO-APIC-edge pata_sis 15: 53004 IO-APIC-edge pata_sis 17: 112265 IO-APIC-fasteoi sata_sil 18: 200002 IO-APIC-fasteoi sata_sil, SiS SI7012 19: 111140 IO-APIC-fasteoi eth0 20: 0 IO-APIC-fasteoi ohci_hcd:usb2 21: 0 IO-APIC-fasteoi ohci_hcd:usb3 23: 0 IO-APIC-fasteoi ehci_hcd:usb1 NMI: 0 Non-maskable interrupts LOC: 6650492 Local timer interrupts SPU: 0 Spurious interrupts CNT: 0 Performance counter interrupts PND: 0 Performance pending work RES: 0 Rescheduling interrupts CAL: 0 Function call interrupts TLB: 0 TLB shootdowns TRM: 0 Thermal event interrupts THR: 0 Threshold APIC interrupts MCE: 0 Machine check exceptions MCP: 160 Machine check polls ERR: 0 MIS: 0 root@core:~# lspci | grep Raid 00:09.0 RAID bus controller: Silicon Image, Inc. SiI 3114 [SATALink/SATARaid] Serial ATA Controller (rev 02) 00:0a.0 RAID bus controller: Silicon Image, Inc. SiI 3114 [SATALink/SATARaid] Serial ATA Controller (rev 02) root@core:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 9.10 Release: 9.10 Codename: karmic root@core:~# uname -a Linux core.topper.me.uk 2.6.31-20-generic #58-Ubuntu SMP Fri Mar 12 05:23:09 UTC 2010 i686 GNU/Linux I've tried a combination of different kernel options (irqpoll, noapic, noacpi, pci=noapic) all to no avail. Does anyone have any bright ideas about how I can go about making this work? Swapping PCI cards around isn't an option as there are only two slots in this motherboard (an ASRock K7S41GX). The BIOS doesn't look to have too much in the way of configuration options regarding IRQ usage. Plan B is to ditch this server completely and buy a new QNAP for these drives to go in, but I was hoping to avoid doing this right now.

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  • Silverlight Cream for March 31, 2010 -- #826

    - by Dave Campbell
    In this Issue: Andrea Boschin, Radenko Zec, Andrej Tozon, Bobby Diaz, Brad Abrams, Wolf Schmidt, Colin Eberhardt, Anand Iyer, Matthias Shapiro, Jaime Rodriguez, Bill Reiss, and Lee. Shoutouts: Cigdem has a post up about here MIX10 Interviewing experiences: MIX10 SilverlightShow Interviews Ian T. Lackey has his material up from his talk Silverlight SEO at the St. Louis .Net Users Group Not Silverlight but definitely WP7 cool, Michael Klucher reports that there are New Windows Phone Samples on Creators Club Online Tim Heuer posted a survey: What tools are the minimum to get started in Silverlight? From SilverlightCream.com: A RoleManager to apply roles declaratively to user interface Andrea Boschin also has a new post at SilverlightShow discussing the use of a RoleManager in WCF RIA Services to apply user roles to elements of the UI... good stuff, Andrea. Virtualization in Silverlight 4 RC Radenko Zec has a post out at SilverlightShow where he explains UI and Data Virtualization then gives some examples of their use in Silverlight 4RC, and some issues as well. MS Word Mail Merge with Silverlight 4 COM Automation Andrej Tozon has a post up at SilverlightShow that I missed in the rush of MIX10. He's doing MailMerge with COM automation and Silverlight 4... actually prett cool stuff and all the source! KISS and Tell - MVVM and the ViewModelLocator Bobby Diaz is blogging about a very popular subject right now: ViewModelLocator. He's not showing production code, but it's a thought... check it out. Silverlight 4 + RIA Services - Ready for Business: Validating Data I'm running behind, but Brad Abrams' next post in his series is about validating data in the business application. He also discusses setting up shared code validation. A One-stop Shopping XAML Namespace for Silverlight Client SDK Controls Wolf Schmidt at the Silverlight SDK has a post up highlighting the SL4 XAML namespace prefix. He starts with SL3 then demonstrates the feature's use in SL4. Binding a Silverlight 3 DataGrid to dynamic data via IDictionary (Updated) Colin Eberhardt has an update to his previous article of the same title. This one is a bug fix on an upgrade to SL3 and also an expansion of the previous post. Demo Apps from MIX10 on Windows Phone 7 Anand Iyer posted links to all the WP7 demos used at MIX10 and at least in the case of FourSquare, the source is on CodePlex. XAML Files for Location Visualizations in Silverlight and WPF Matthias Shapiro has graciously provided XAML for us for Silverlight and WPF for a bunch of different US maps... too cool, now we don't have to be asking 'where did you get that map?'... thanks Matthias! Theming in Windows Phone Jaime Rodriguez has a post up that deep-dives theming in general and demonstrates using it on WP7... end-user configurations and developer stuff. Space Rocks game step 7: Moving the ship It appears that in the heat of battle (blogging) I said Bill Reiss' Space Rocks game he's building is for WP7... obviously it's not, but it's a game folks... :) THis is Episode 7 and he's moving the ship now. SL4(RC) RichTextBox and Access Violation Lee has some code that looks like it should work for a RichTextBox in SL4RC, and it's throwing an error... see if you have a solution for him... or is it a bug? Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Silverlight Cream for May 08, 2010 -- #858

    - by Dave Campbell
    In this Issue: Phil Middlemiss, Jaime Rodriguez, Senthil Kumar, Mike Snow, DaveDev, Gergely Orosz, Kirupa, Cheryl Simmons, András Velvárt, Dan Wahlin, Michael D. Brown, and Ben Rush. Shoutouts: Erik Mork and crew have their latest up: This Week In Silverlight – Where’s the Tablet? Chris Rouw has a good link post and instructions on WCF RIA services: Deploying and Configuring Silverlight 4 and WCF RIA Services From SilverlightCream.com: Quick and Easy Sscalable Rounded Bevels Phil Middlemiss duplicates some bevel-edged rectangles in Blend, and they look great. Now you don't have to import all the other PhotoShop bits to get those things looking the way you want! A transparent Windows PHONE FAQ Jaime Rodriguez combined a bunch of information into a WP7 FAQ that he's going to keep up to date, so bookmark the page. He also has links to the Training Kit, on and offline versions. Windows Phone Developer Training Kit April Refresh is now available for Download Thanks to Senthil Kumar, I found out there is an April refresh of the WP7 Training kit at Channel 9 -- go get yours now --- I'll still be here when you get back! Silverlight Tip of the Day #16 – Working with IgnoreImageCache Mike Snow's Tip of the day #16 covers IgnoreImageCache and like many other things in life, until you read Mike's post you may be surprised at how it works. DoodlePad – A fun, free, sketching application for Windows Phone 7 DaveDev has a new WP7 App up that lets you or your kids 'Doodle' on the phone... could be a note, or could be a drawing... good post with all the links you need to get this cranked up on the emulator. Printing in Silverlight: Printing Charts and Auto Scaling Gergely Orosz's latest post is a very useful one on auto-scaling charts to fit a printed page and then getting them to print. Smoothly Scrolling a ListBox Check out the smooth scrolling Kirupa has on the ListBox near the top of his post... all good stuff... you wanna know how to do that! Plus... it's dead simple and all in Blend :) http://www.sparklingclient.com/wheres-the-silverlight-tablet/ Cheryl Simmons has a great tip up at the SilverlightSDK if you haven't burned through to figure it out yet ... changing the watermark on a DatePicker control... looks great! The story of a wicked bug András Velvárt tells a story of a bug that just defied logic or being found. Read how he tracked it down and what it actually was... could save you some time. Story learned: if I have a problem that bad, I'm calling András :) Text Trimming in Silverlight 4 Dan Wahlin gives a quick run-through of what TextBox trimming is, and then by a good real example... check it out and start using it in your projects. Enterprise Patterns with WCF RIA Services Michael D. Brown has an article in MSDN Magazine on RIA Services. Great information and link-packed article, with all the source avialable for download. Building Custom Players with the Silverlight Media Framework Ben Rush has a nice long tutorial on the Silverlight Media Framework up on the MSDN Magazine site ... lots of information in there. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Windows 2008R2 blocks outbound LDAP for non-admins?

    - by Jon Bailey
    I've got a Windows 2008R2 terminal server with ~30 users on it. It's joined to a Samba-based domain. During the login script, we connect directly to the LDAP server to pull out certain profile information. This used to work just fine. Now, it doesn't, but only for non-local-admin accounts. Local admins work fine. As a non-local-admin: Connection to ports 389 or 636 just terminate (wireshark on the LDAP server reveals no connection attempt) Connection to other ports on the same server work fine Same thing on multiple LDAP servers Windows firewall is disabled Can't find any other rules/policies that may block this I suspect since this used to work, it came down during an update, but for the life of me, I can't find what. EDIT: I just ran Wireshark on the machine and didn't see anything when connecting to the LDAP server in question (or any LDAP server for that matter). I can, however, see traffic when I connect to that server on another port.

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  • Why would the IIS UrlRewrite module continue redirecting requests after the rule is removed?

    - by Jon Norton
    Our application uses the IIS UrlRewrite module to temporarily redirect requests during upgrades to a maintenance site. We have seen a few instances where even though the redirect rule has been removed, the server continues to redirect all requests according to the removed rule. There does not seem to be any pattern with this, and has only occurred once or twice. We have taken the following steps to try and determine the cause of this behavior. Verified that the original rule was a 307 temporary redirect Requested the application from machines that had never requested it before Used a different browser Added and removed a dummy rule from the IIS management console Checked the http kernel cache using netsh http show cachestate Modified the applicationHost.config file by hand (the rule was not still in the file, we just added a superfluous space) In the past when this has happened, we have been able to restart IIS and it solves the problem but that is not always an option and we really want to figure out what the root cause is. How or why would UrlRewrite be caching the response and not responding to configuration changes?

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  • I have too many DNS servers configured

    - by Jon Will
    I have my laptop connecting to my wireless router, and I have told the router to issue out DNS via the DHCP lease. The laptop is configured to use the information. The router is configured to only issue two DNS server addresses from open dns, but the laptop reports Networking Dns Servers: 10.197.100.1 10.197.100.2 10.197.100.3 8.8.8.8 8.8.4.4 208.67.222.222 208.67.220.220 I have no idea where the laptop is getting these additional IPs as DNS. Please advise.

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  • RHEL 4.8 / Sybase 12.5.4 64 bit install error - I have libaio i368 installed I need libaio x86_64 in

    - by Jon
    I am trying to install Sybase ASE 12.5.4 64 bit. I know the machine has a 64 bit processor It is giving me an error during install saying: "error while loading shared libraries: libaio.s0.1" I run the command: rpm -q --qf '%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n' libaio Which returns: libaio-0.3.105-2 (i386) I found a src rpm for libaio-0.3.102. I followed the steps to install which included using make. It appeared to install without error. But when I run the rpm -q command again I still only see the i386 version installed. Not really sure where to go from here. Ideally I would like to find a regular rpm of libaio x86_64 for RHEL 4.8. If I were to find one would I upgrade the package that is already there? Would I remove and install the new one. Or would I install and two separate version of the library?

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  • Entourage Reminders for events not on calendar

    - by Jon Lasser
    After a series of nasty mishaps, I needed to create a new Entourage profile and re-populate my calendar by resynching it with my Exchange Server. Now I'm receiving multiple notifications for a single appointment -- two or even four at once. (Perhaps four is due to the intermediate 'reset' attempts I made before discarding and creating a new profile.) Reviewing my calendar I see only a single appointment, not multiple appointments. Checking my Outlook calendar confirms only a single appointment. My local calendar is completely empty. Is there a separate Entourage database for reminders that I can clear or resync? Is there somewhere else for calendar appointments to live where I'm not looking?

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  • MySQL query (over SSL) fails in IIS 7 using default AppPool identity

    - by Jon Tackabury
    I am trying to run a website locally in Windows 7 under IIS 7. I have the AppPool configured to use "Classic" mode, but connecting to a MySQL DB that requires SSL fails. If I change the identity to my user account it works perfectly. It fails when using the default "ApplicationPoolIdentity" account. Is there something I'm missing somewhere? Why would running a MySQL query over SSL fail for certain user accounts? Update: This is the exception that the MySQL Connector is throwing: "Reading from the stream has failed. Attempted to read past the end of the stream."

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  • Deleted the .AppleDouble files inside my Time Machine backups - are they still OK?

    - by Jon M
    My Ubuntu server is set up to emulate a TimeCapsule (after a very long weekend following the instructions here, here and here). My macbook pro has been backing up happily to it for a month or so now, and all seems well. The other day I was tidying up the extraneous files from my music collection on the server, got a bit loose with the find command... and ended up deleting all the .AppleDouble files underneath '/', which included the Time Machine folder. Now, Time Machine still appears to work fine, it backs up regularly, I can look through all the previous versions of my files, and they seem to restore without trouble. My question is: by deleting the .AppleDouble files, have I actually broken anything? Is the TM data still good, or should I trash it and start fresh (i.e. with a new 'day 0' full backup)?

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  • Webserver: chrooted PHP gives mysql.sock error when attempting to reach mysql

    - by Jon L.
    Hey guys, I've configured an Ubuntu webserver with Nginx + PHP5-FPM. I've created a chrooted environment (using jailkit) that I'm tossing my developers into, from where they can develop their test applications. Chroot jail: /home/jail Nginx and PHP5-FPM run outside the chroot, but are configured to function with websites within the chrooted environment. So far, Nginx and PHP5-FPM are serving up files without issue, except for the following: When attempting to connect to MySQL, we receive this error: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' Now, I believe the issue is due to the non-chrooted php.ini referencing mysqld.sock outside of the chroot environment (it's actually using the MySQL default setting currently). My question is, how can I configure PHP to access MySQL via loopback or similar? (Found that as a suggestion in a google result, but without any instructions) Or if I'm missing some other obvious setting, let me know. If there's an option of creating a hardlink (that would remain available even if mysql is restarted), that would be handy as well.

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  • How to solve "Broken Pipe" error when using awk with head

    - by Jon
    I'm getting broken pipe errors from a command that does something like: ls -tr1 /a/path | awk -F '\n' -vpath=/prepend/path/ '{print path$1}' | head -n 50 Essentially I want to list (with absolute path) the oldest X files in a directory. What seems to happen is that the output is correct (I get 50 file paths output) but that when head has output the 50 files it closes stdin causing awk to throw a broken pipe error as it is still outputting more rows.

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  • GoDaddy SSL on Shared Hosting

    - by Jon
    So I'm very new to using SSL certificates and I have been trying to install one on a site for a client. He is using shared hosting for multiple domains through GoDaddy, and the site we're working on is not the primary domain. He purchased a UCC certificate for multiple domains and I installed it on the shared hosting account. My thought was that since the domains were under the same hosting account, then they would each be protected under the certificate. This was not the case...apparently. I checked both domains with an SSL checker and the primary domain checked out. The domain that we wanted the SSL on showed the following errors: None of the common names in the certificate match the name that was entered (www.CLIENTDOMAIN.com). You may receive an error when accessing this site in a web browser. I'm not sure how to fix this. It was just purchased yesterday, so if necessary, I guess I could un-install it or re-key it (???). Is there a way to just change the common name to www.CLIENTDOMAIN.com (the correct domain)?

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  • Running a 2048 x 1152 monitor on a Dell Vostro 220s with HD3450 video card

    - by Jon
    I recently bought a new monitor which has a resolution of 2048 x 1152. However, this resolution is not on in the options list. I have tried installing ATI Catalyst but to no avail. I am running the monitor on the VGA cable. How can I add the resolution to the settings drop down? Additional info: VGA is through a splitter cable from DVI The outputs on my grahics card are DVI and VGA Monitor only has VGA input

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  • Problems starting MySQL on Mac OS X

    - by Jon
    I am not able to start MySQL server on Mac OS X 10.4.11. MySQL was installed using Macports. MySQL was running fine until it suddenly died without any obvious reason. When running "mysql", I get the error message: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/opt/local/var/run/mysql5/mysqld.sock' (2) If I try to start MySQL manually, I get the following error message: sudo /opt/local/share/mysql5/mysql/mysql.server start Starting MySQL/opt/local/share/mysql5/mysql/mysql.server: line 159: kill: (636) - No such process ERROR! In /etc/mysql/my.cnf I have: socket = __PREFIX/var/run/mysqld/mysqld.sock But the path "opt/local/var/run/mysqld/" does not exist on my system. I tried to change the socket path to "__PREFIX/var/run/mysql5/ mysqld.sock" (which is where the socket is located). Unfortunately, this did not help either. Owner and Permissions for /opt/local/var/run/mysql5/ are correctly set. Any suggestions on how to start MySQL again? Thanks for your advice.

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  • How do I diagnose a bottleneck in an Intel Atom based Ubuntu server?

    - by Jon Cage
    I have a small media server at home which has software raid and a gigabit link to the rest of my network. For some reason though, I only get ~10MB/s transfers when copying to/from the server. I use software RAID5 (mdadm) over 4 1TB disks. On top of that I then use LVM to give me a huge pool of disk space which is then split up into multiple partitions which can be resized as and when they need it. I'm guessing this it most likely the cause, but I'd like to know for sure where the root cause is. So, how can I benchmark network throughput (Windows 7 desktop <- Ubuntu server) and hard disk performance to try and identify where my bottleneck might be? [Edit] If anyone's interested, the motherboard is an Intel Desktop Board D945GCLF2. So that's a 300 series Atom processor with the Intel® 945GC Express Chipset [Edit2] I feel like such a fool! I just checked my desktop and I had the slower of the two onboard NICs plugged in so the server is probably not at fault here. Transferring a copy of ubuntu off the server I get ~35-40MB/s according to Windows 7. I'll do those HD tests when I get a chance though (just for completeness).

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  • Getting HAPROXY to redirect http to https in users browser session

    - by Jon
    We are currently using a Internet cloud provider to host our SaaS platform. The platform consists of a Firewall - Cloud Provider SLB - - Apache Web Server - HAPROXY SLB - Liferay Platform We have had to use HAPROXY because of an issue with the cloud providers SLB that meant we were unable to use it for load balancing the Liferay platform applications. I have implemented HAPROXY in our secure tier and that seems to do the trick of load balancing the requests quite adequately. However during testing we encountered a functional issue whereby selecting a sub-menu from the web portal resulted in the application hanging, using an http analyser we saw that the request being passed back to the users browser was in http, from discussing this with the software vendor it transpires that the Liferay application has some hard-coded http links, and that other customers have worked around this by using physical NLB's such as F5 and redirecting the http traffic to https. The entry in the HAPROXY logs reads: haproxy[2717]: haproxy[2717]: <Apache Web Agent>:37957 [11/Apr/2013:08:07:00.128] http-uapi uapi/<ServerName> 0/0/0/9/10 200 4912 - - ---- 4/2/1/2/0 0/0 "GET /servicedesk/controller?docommand=renderradform&!key=esd_sfb001_frm_feedback_forms_list&isportalintegratedmode=true&USR=joe.bloggs%40gmail.com&_dc=1365667773097&redirecturl=controller%3Fdocommand%3Drenderbody%26%21key%3DESD_SFB001_FRM_FEEDBACK_FORMS_LIST%26isportalintegratedmode%3Dtrue&sso_token=ALiYv2UqzLsAhSw1ZchRDlCHlq44Bhj9&ONERROR=%2Fweb%2Fjsp%2Fapps%2Fportal-integration-error.jsp&itype=login&slicetoken=NW51O%242aRo%2C_Zz%2476P_9DTtnFmz6%28bhk&AUTOFORWARDURL=controller%3Fdocommand%3Drenderbody%26%21key%3DESD_SFB001_FRM_FEEDBACK_FORMS_LIST%26isportalintegratedmode%3Dtrue&LOGINPAGE=https%3A%2F%2F<FQDN of Web Portal>%2Fweb%2F4732cf01-82c3-4bc5-b6c9-552253e672cf%2Fworkflow-tools&appid=1&!uid=1&!redownloadToken=7.0.3.1.1363611301.0&userlocale=en_US&!datechanged=2012-05-18%2015:05:31.38 HTTP/1.1" :37957 [11/Apr/2013:08:07:00.128] http-uapi uapi/<ServerName> 0/0/0/9/10 200 4912 - - ---- 4/2/1/2/0 0/0 "GET /servicedesk/controller?docommand=renderradform&!key=esd_sfb001_frm_feedback_forms_list&isportalintegratedmode=true&USR=joe.bloggs%40gmail.com&_dc=1365667773097&redirecturl=controller%3Fdocommand%3Drenderbody%26%21key%3DESD_SFB001_FRM_FEEDBACK_FORMS_LIST%26isportalintegratedmode%3Dtrue&sso_token=ALiYv2UqzLsAhSw1ZchRDlCHlq44Bhj9&ONERROR=%2Fweb%2Fjsp%2Fapps%2Fportal-integration-error.jsp&itype=login&slicetoken=NW51O%242aRo%2C_Zz%2476P_9DTtnFmz6%28bhk&AUTOFORWARDURL=controller%3Fdocommand%3Drenderbody%26%21key%3DESD_SFB001_FRM_FEEDBACK_FORMS_LIST%26isportalintegratedmode%3Dtrue&LOGINPAGE=https%3A%2F%2F<FQDN of Web Portal>%2Fweb%2F4732cf01-82c3-4bc5-b6c9-552253e672cf%2Fworkflow-tools&appid=1&!uid=1&!redownloadToken=7.0.3.1.1363611301.0&userlocale=en_US&!datechanged=2012-05-18%2015:05:31.38 HTTP/1.1" The corresponding HTTP browser entry shows: http://<FQDN of ServiceDesk>/servicedesk/controller?docommand=renderradform&!key=esd_org019_frm_contact_list&isportalintegratedmode=true&USR=joe.bloggs%40gmail.com&_dc=1365665987887&redirecturl=controller%3Fdocommand%3Drenderbody%26%21key%3DESD_ORG019_FRM_CONTACT_LIST%26isportalintegratedmode%3Dtrue&sso_token=3NxsXYORMPp32SwL8ftVUCMH2QdWLH82&ONERROR=%2Fweb%2Fjsp%2Fapps%2Fportal-integration-error.jsp&itype=login&slicetoken=NW51O%242aRo%2C_Zz%2476P_9DTtnFmz6%28bhk&AUTOFORWARDURL=controller%3Fdocommand%3Drenderbody%26%21key%3DESD_ORG019_FRM_CONTACT_LIST%26isportalintegratedmode%3Dtrue&LOGINPAGE=https%3A%2F%2F<FQDN of Web Portal>>%2Fweb%2F4732cf01-82c3-4bc5-b6c9-552253e672cf%2Fapplication-setup&appid=1&!uid=1&!redownloadToken=7.0.3.1.1363611301.0&userlocale=en_US&!datechanged=2012-10-26%2019:00:25.08 From reading through the forums and other sites it looks like we should be use to use HAPROXY to redirect the traffic to https, but try as I might I cant get it to work. This is our HAPROXY configuration: global log 127.0.0.1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon stats socket /var/lib/haproxy/stats defaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000 frontend http-openfire bind *:7070 default_backend openfire backend openfire balance roundrobin server <serverName> <IPv4 Address>:7070 check server <serverName> <IPv4 Address>:7070 check frontend http-uapi bind *:7080 default_backend uapi backend uapi balance roundrobin server <serverName> <IPv4 Address>:7080 check server <serverName> <IPv4 Address>:7080 check frontend http-sec bind *:8080 default_backend sec backend sec balance roundrobin server <serverName> <IPv4 Address>:8080 check server <serverName> <IPv4 Address>:8080 check frontend http-wall bind *:9080 default_backend wall backend wall balance roundrobin server <serverName> <IPv4 Address>:9080 check server <serverName> <IPv4 Address>:9080 check frontend http-xmpp bind *:9090 default_backend xmpp backend xmpp balance roundrobin server <serverName> <IPv4 Address>:9090 check server <serverName> <IPv4 Address>:9090 check frontend http-aim bind *:10080 default_backend aim backend aim balance roundrobin server <serverName> <IPv4 Address>:10080 check server <serverName> <IPv4 Address>:10080 check frontend http-servicedesk bind *:8081 default_backend servicedesk backend servicedesk balance roundrobin server <serverName> <IPv4 Address>:8081 check server <serverName> <IPv4 Address>:8081 check listen stats :1936 mode http stats enable stats hide-version stats realm Haproxy\ Statistics stats uri / stats auth haproxy:<Password> I have tried following the articles listed posted on http://stackoverflow.com/questions/13227544/haproxy-redirecting-http-to-https-ssl and http://parsnips.net/haproxy-http-to-https-redirect/ but that hasn't made any difference. Am I on the right track with this or are we trying to achieve the impossible?, I'm hoping I'm just being an idiot and one of you good people can point me in the right direction.

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  • LVS TCP connection timeouts - lingering connections

    - by Jon Topper
    I'm using keepalived to load-balance connections between a number of TCP servers. I don't expect it matters, but the service in this case is rabbitmq. I'm using NAT type balancing with weighted round-robin. A client connects to the server thus: [client]-----------[lvs]------------[real server] a b If a client connects to the LVS and remains idle, sending nothing on the socket, this eventually times out, according to timeouts set using ipvsadm --set. At this point, the connection marked 'a' above correctly disappears from the output of netstat -anp on the client, and from the output of ipvsadm -L -n -c on the lvs box. Connection 'b', however, remains ESTABLISHED according to netstat -anp on the real server box. Why is this? Can I force lvs to properly reset the connection to the real server?

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