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• Picking a linux compatible motherboard

  - by Chris

  Last time I bought a new computer (I build them myself) I got a motherboard that had really poor linux support for a long time. Specifically the audio. I had to wait months before the kernel supported the on board audio chipset. That is exactly the situation I'm trying to avoid this time around. I have some specific questions about "server motherboards" actually. I looked at a few models of server motherboards by intel, and some random models on newegg. I wasn't able to see much of a difference from regular desktop motherboard other than most had two sockets, and support for much more ram. These boards seem more popular with Linux users. Why? AMD and Intel both have server CPUs as well. Some question, what's the difference? To make this question more concrete, I was looking at this this motherboard. The main questions about it that I can't answer are: Can I get a motherboard without on board raid and audio? I wanted to get a hardware raid controller and a PCI audio card. I thought a server motherboard would be cheaper and not have these "extras", since who wants an audio card on a server? Where can I found out about Linux support for the components on this board? "Intel ICH10R", "Realtek ALC889", "Marvell 88E8056" I'm buying this computer to work as a Linux desktop for a lot of compiling, coding and audio/video work, but I don't want to rule out the possibility of installing windows and playing some games at one point. (even if the last game I got has been sitting in its box unopened for almost a year). Is it a good idea to buy a "server motherboard" and play games on it, or are desktop boards better value for this? The ultimate solution for me would be a motherboard that had GPL divers for onboard LAN, a single CPU socket, lots of PCI express and PCI. USB 3.0, and no fancy hard disk controllers since I'll be getting a separate one.

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• APC Smart UPS network shutdown issue

  - by Rob Clarke

  Here is a bit about our setup: We have 2x Smart-UPS RT 6000 XL units with network management cards We are running Powerchute from a network server Powerchute is connected to the management cards of both UPSs UPSs are set to do a graceful shutdown via Powerchute when the battery duration is under 20 minutes We also have a command file that runs with Powerchute Although our setup is redundant we do not have an equal load on each server due to APC switches for single power devices The problem is that as we do not have an equal load on each server the batteries drain at different rates. This means that the UPSs both get to the specified low battery duration at completely different times. The problem here is that UPS 1 may have run down to 5 minutes and is in desperate need of initiating a Powerchute shutdown - UPS 2 still has 25 minutes of runtime so no shutdown is initiated. Consequently UPS 1 goes down and takes all the servers with and then shuts down UPS 2 as well! What we need to happen are 1 of either 2 things: Powerchute initiates the shutdown as soon as either UPS reaches the 20 minutes low battery duration setting - and doesnt wait for both The UPS with the heavier load expends its entire battery but does not shutdown both UPSs and lets the load be switched across to the UPS that still has runtime remaining. That way when the UPS that still has runtime reaches its low battery duration it can proceed with the graceful shutdown via Powerchute. Hope that makes sense, any help is greatly appreciated!

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• How can I set Thunderbird's "Recipient" column to display my email address rather than a friendly na

  - by Howiecamp

  After configuring a single, unified Inbox within Outlook 2007 to unify multiple email accounts, I found Thunderbird 3's Smart Folder feature. It works great, providing individual inboxes for each of your email accounts and a unified inbox which provides a unified, virtual view of those other inboxes. Thunderbird is smart enough so what when I reply to an email addressed to a specific email account, the reply is "From" that email address. In order to know which inbound email was to which of my accounts, I added the "Recipient" column to the inbox Smart Folder: What's displayed in the Recipient column depends on how the sender/sender's email client addresses the email. If they send it to just "[email protected]" without specifying a friendly name, the Recipient column displays "[email protected]" and there's no ambiguity about which account the email was sent to. However, if the sender has me in their address book (likely stored with a friendly name), it will be addressed as "Howard Camp [[email protected]]" and then show in the Recipient column as "Howard Camp". The problem is that if someone emails me with a friendly name at another of my email accounts (e.g. "Howard Camp [[email protected]]", the Recipient column will also display "Howard Camp" and I can't tell which account it's to until I open the message and/or look at the details. How can I configure Thunderbird to always display my email address rather than the sender-specified friendly name in the Recipient column?

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• Help transferring Mac OS X fonts to Windows

  - by Addsy

  I have been sent a QuarkXPress document which contains a number of unusual fonts which were also sent to me. The fonts were in a folder named fonts and then it was all zipped up into a single archive containing the document and fonts folder. I believe this was done on a machine running Mac OS X. I have unzipped the archive, but all of the files in the fonts folder have no size - i.e. they are 0 bytes files. However there is also a _MACOSX folder which has a fonts subfolder. In here I can see all the font files (prefixed with .) and they all have a size, i.e. are not 0 bytes. Presumably these are the actual font files I need but I cannot figure out how to install them on Windows. I have tried renaming the files to have .ttf and .otf extensions and then installing them but that doesn't seem to work - I just get an "Invalid font file" message. Any other ideas?

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• vmware vcenter 5.1 installation with FQDN error

  - by CSG

  I'm trying to install vCenter 5.1 on a windows 2012 dedicated (with SQL express standalone) During the installation of the Single Sign On module i've a warning "the fully qualified domain name cannot be resolved with nslookup. if you continue the installation some features might not work correctly. for detailed requiments see the installation and setup guide" The only indication that i've found are about the reverse zone dns resolution.. and this works! i've verified that the dns works properly with nslookup C:\Users\admin>nslookup srv6.mydomain.local Server: srv2.mydomain.local Address: 172.25.4.22 Nome: srv6.mydomain.local Address: 172.25.1.26 C:\Users\admin>nslookup 172.25.1.26 Server: srv2.mydomain.local Address: 172.25.4.22 Nome: srv6.mydomain.local Address: 172.25.1.26 (all ip are right: I've the vCenter=srv6 and DC+DNS=srv2 on different vlan) i've tryed to force the resolution of the ip changing the [..]\drivers\etc\hosts file i've disabled the IPv6 support i've used all combination with domain prefixes (explicit, by dhcp, undefined..) i've disabled all antivirus/firewall (kaspersky end point 10) is this a bug of vcenter 5.1.0-1065152 ? have you got any suggestions for me?

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• How quickly toggle smart quotes in Word 2010?

  - by KnowItAllWannabe

  I'm working on a long technical document that contains numerous displays of computer code. In running text, I want my quotation marks to be curly, which means that Word's "smart quotes" autoformatting-as-I-type feature is one I want on. But in code displays, curly quotes are incorrect, so in these cases, I want smart-quotes-as-I-type disabled. Is there a fast way to toggle this setting? Or is there a way I can tie it to the paragraph style I'm in? (I use a distinct style for code displays.) Currently, to toggle the setting, I have to click FileOptionsProofingAutoCorrect Options..."Straight quotes" with "smart quotes"OKOK, which is seven mouse clicks. Toggling it back is another seven mouse clicks. Isn't there a faster way? A keyhboard shortcut to do the toggling or a toolbar button that would toggle it with a single click would be great. Having the setting depend on the paragraph style I was in would be even better.

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• Keyboards for kiosk/outdoor/abusive environments?

  - by Justin Scott

  We have a bunch of kiosks deployed into let's just say... abusive environments. The enclosures we had built are touch as nails, and the HP thin client computers are working great. The keyboards that were purchased for the project have been nothing but problems. They're a generic brand direct from a Chinese manufacturer. They're stainless steel with keys mounted from the inside and a trackball, but they've been deployed for only a month and nearly 20% of them are already out of service due to keys sticking, keys not working, trackball problems, water damage, and a variety of other issues. Are there any kiosk keyboards that can take a beating without breaking so easily? Ideally they should be tamper-proof (keys can't be removed), waterproof, lettering should be engraved into the keys, trackball, option for a single mouse button would be nice, and some protection to keep debris out of the keys so they don't stick (sticky cleaners, food debris, etc.). Does such a beast exist? Everything we've looked at is susceptible to easy damage. We need the M1 Abrams Tank of keyboards. Any suggestions?

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• ash scripting: space-containing variable refuses to be grepped

  - by Luci Sandor

  I am trying to run the script listed at http://talk.maemo.org/showthread.php?t=70866&page=2 on its intended hardware, a Nokia Linux phone running BusyBox ash. The script receives the name of WiFi network as a parameter, and tries to connect the phone to it. I suspect the script works, but my SSID, BU (802.1x), has space and parentheses in it. So when I type at the command prompt autoconnect.sh BU\ \(802.1x\) I get various errors. First, LIST=`iwconfig wlan0 | awk -F":" '/ESSID/{print $2}'` if [ $LIST = "\"$1\"" ]; then ...fails, even I am connected to the network. The error is not avoided by using single or double quotes instead of escaping characters at the command prompt. Second, if [ -z `iwlist wlan0 scan | grep -m 1 -o \"$1\"` ]; then echo SSID \"$1\" not found; shows that grep does not find the string, although the same grep, typed directly into the command prompt, does find 'BU (802.1x)'. How do I quote $1 in the two circumstances above so that it will work with my network SSID, containing spaces and parentheses? Thank you.

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• Join mp4 files in linux

  - by Jose Armando

  I want to join two mp4 files to create a single one. The video streams are encoded in h264 and the audio in aac. I can not re-encode the videos to another format due to computational reasons. Also, I cannot use any gui programs, all processing must be performed with linux command line utilities. FFmpeg cannot do this for mpeg4 files so instead I used MP4Box e.g. MP4Box -add video1.mp4 -cat video2.mp4 newvideo.mp4 unfortunately the audio gets all mixed up. I thought that the problem was that the audio was in aac so I transcoded it in mp3 and used again MP4Box. In this case the audio is fine for the first half of newvideo.mp4 (corresponding to video1.mp4) but then their is no audio and I cannot navigate in the video also. My next thought was that the audio and video streams had some small discrepancies in their lengths that I should fix. So for each input video I splitted the video and audio streams and then joined them with the -shortest option in ffmpeg. thus for the first video I ran avconv -y -i video1.mp4 -c copy -map 0:0 videostream1.mp4 avconv -y -i video1.mp4 -c copy -map 0:1 audiostream1.m4a avconv -y -i videostream1.mp4 -i audiostream1.m4a -c copy -shortest video1_aligned.mp4 similarly for the second video and then used MP4Box as previously. Unfortunately this didn't work either. The only success I had was when I joined the video streams separetely (i.e. videostream1.mp4 and videostream2.mp4) and the audio streams (i.e. audiostream1.m4a and audiostream2.m4a) and then joined the video and audio in a final file. However, the synchronization is lost for the second half of the video. Concretelly, there is a 1 sec delay of audio and video. Any suggestions are really welcome.

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• Trying to delete a directory stored on a WIndows server, mounted on a mac

  - by AdamG

  I am trying to delete a directory stored on a Windows 2008 R2 server, mounted on a Mac as network home (10.8.5). The directory was created by Safari and stores temporary internet files. I need to be able to delete this folder on logout from a Mac bash script. The Terminal on Mac shows the directory as empty: 36W-FacRm-02:History lwickham$ cd /home/lwickham/Library/Caches/Metadata/Safari/History 36W-FacRm-02:History lwickham$ ls -al total 0 drwx------ 1 lwickham CGPS\Domain Users 264 Nov 8 09:24 . drwx------ 1 lwickham CGPS\Domain Users 264 Nov 8 09:28 .. However, on the Windows server it has a single 0kb file that doesn't start with a "." but yet is invisible to the Mac. E:\FacultyHome2\lwickham\Library\Caches\Metadata\Safari\History>dir Volume in drive E is FacultyUsers2 Volume Serial Number is 8C17-4EF3 Directory of E:\FacultyHome2\lwickham\Library\Caches\Metadata\Safari\History 11/08/2013 09:24 AM <DIR> . 11/08/2013 09:24 AM <DIR> .. 11/07/2013 04:28 PM 0 http?%2F%2Fwww.google.com%2Furl?sa=t&rct= j&q=&esrc=s&source=web&cd=6&ved=0CFsQFjAF&url=http%253A%252F%252Fwww.usbanklocat ions.com%252Fhsbc-bank-usa-96th-street-branch.html&ei=5vR7UtmXEPjfsATe0YCIBA&usg =AFQjCNF9ypKbpYbXRng00FY3W8Y6cF1Tiw&bvm=bv.56146854,d. 1 File(s) 0 bytes 2 Dir(s) 514,231,967,744 bytes free All my attempts to delete the dir from the Mac have failed: 36W-FacRm-02:History lwickham$ rm -fr /home/lwickham/Library/Caches/Metadata/Safari/History/* 36W-FacRm-02:History lwickham$ rm -frd /home/lwickham/Library/Caches/ rm: /home/lwickham/Library/Caches//Metadata/Safari/History: Directory not empty rm: /home/lwickham/Library/Caches//Metadata/Safari: Directory not empty rm: /home/lwickham/Library/Caches//Metadata: Directory not empty rm: /home/lwickham/Library/Caches/: Directory not empty

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• DPM server 2010 Attach agent error : administrator privileges missing?

  - by Michael

  Hello, I’m hoping you would be able to help me out with this little problem I’m having. I installed DPM 2010 in our test environment to test backups on Exchange 2010 servers. The environment includes : 1xDC 2x Exchange Server 2010 1x DPM 2010 server All of these are running on Microsoft server 2008 R2 Virtual machines. The host machines are using Hyper-v. So the problem goes like this : 1- I tried to install the agents from the DPM server GUI, which failed saying I didn’t have the correct permissions. 2- So then I tried the manual installation using the commands from : the Microsoft site http://technet.microsoft.com/en-us/library/bb870935.aspx 3- The agent installation worked but when I get to attaching the agents to the DPM server it still gives me the error saying that the specified account does not have administrator rights. 4- I tried the Domain admin, users who are domain admin + local admin, single local admins. 5- I have turned off the windows firewall and made sure all the services are running. So now I’m out of ideas and really need help, the agent attach to the DPM server is the last thing that is holding me back from deploying everything to the production site. Any help would be really appreciated.

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• HP Officejet 4500 G510n-z Not Showing up in Remote Desktop (Terminal Services)

  - by Greg_the_Ant

  I installed this printer on a windows XP machine. First using the wireless option, and later using USB. In both cases when I connect to my other computer (also Windows XP) via terminal services and check printers in the local resources tab it does not show up on the remote session. I used to have a Samsung connected to my local computer over USB and and that worked fine over terminal services. Things I tried so far: I did read this page and installed the software fix on both computers: (Printers that use ports that do not begin with...) I installed the minimum HP software install on the remote computer and that didn't help either. I also tried running the add new printer wizard on the remote computer: I selected "local printer attached to this computer" and did not check the "automatically.." option. On the next page of the wizard I can select an option for "use the following port". I see options for TS001 through TS009 there. I'm assuming those are coming from the local machine. I tried clicking each one and then checking "have disk" and pointing it to C:\3be8dc611b11322e8ddf8a67\i386\msxpsdrv.inf 1 but for every single TS00.. port it says "The specified location does not contain information about your hardware." Any help would be greatly appreciated. I'm pretty stuck at this point. 1 C:\3be8dc611b11322e8ddf8a67 is the folder I extracted the HP driver software to after I downloaded it.

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• Howto: SaaS / PHP Application / Tenants / Security

  - by Ben Fransen

  Hi all, Being completely new in the webhostingcorner I have a few questions on how to implement/setup a webserver for a SaaS application. I'm about to rent my own server for a new product (CMS) I'm launching in two months. Developing the system wasn't that much of wild ride to me, but a correct way to implement it, is. So lets say this is my situation: I want to host 10 websites for 8 clients. There are 6 single sites, and two clients have two websites they can manage with my software. The CMS must be placed on the server too, all clients are connecting to 1 system The database must be placed Depending on the contract a client makes, the client gets some storage. How to measure the used storage over the DB, FileSystem and email Clients may not, in any case be able to somehow get outside their directory, but from the CMS directory the CMS must be able to create files and dirs in a clients directory (for templates, imagegalleries, widgets, etc, etc). I was thinking about something like a dirstructure like this: ./CMS/ [all CMS files] ./Websites/*/ [all websites] My hostingprovider will install updates to the os (CentOS, latest) and the admin panel (Direct Admin). Is there anybody with experience on this topic? Or do you have some thoughts about it? please join the conversation since I'm completely new to this. Ben

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• Apache httpd LDAP integration

  - by David W.

  I am configuring a CollabNet Subversion integration. I have the following collabnet_subversion.conf file: <Location /svn> DAV svn SVNParentPath /mnt/svn/new_repos SVNListParentPath on AuthName "VegiBanc Source Repository" AuthType basic AuthzLDAPAuthoritative off AuthBasicProvider ldap AuthLDAPURL ldap://ldap.vegibanc.com/dc=vegibanc,dc=com?sAMAccountName" NONE AuthLDAPBindDN "CN=SVN-Admin,OU=Service Accounts,OU=VegiBanc Users,OU=vegibanc,DC=vegibanc,DC=com" AuthLDAPBindPassword "swordfish" </Location> This works great. Any user in our Active Directory can access our Subversion repository. Now, I want to limit this to only people in the Active Directory group Development: <Location /svn> DAV svn SVNParentPath /mnt/svn/new_repos SVNListParentPath on AuthName "VegiBanc Source Repository" AuthType basic AuthzLDAPAuthoritative off AuthBasicProvider ldap AuthLDAPURL ldap://ldap.vegibanc.com/dc=vegibanc,dc=com?sAMAccountName" NONE AuthLDAPBindDN "CN=SVN-Admin,OU=Service Accounts,OU=VegiBanc Users,OU=VegiBanc,DC=vegibanc,DC=com" AuthLDAPBindPassword "swordfish" Require ldap-group CN=Development OU=Security Groups OU=VegiBanc, dc=vegibanc, dc=com </Location> I added Require ldap-group, but now no one can log in. I have LogLevel set to debug, but all I get is this in my error_log (Single line broken up for easier reading): [Thu Oct 11 13:09:28 2012] [info] [client 10.55.9.45] [6752] vauth_ldap authenticate: user dweintraub authentication failed; URI /svn/ [ldap_search_ext_s() for user failed][Bad search filter] And, I get this in my access_log: 10.55.9.45 - - [11/Oct/2012:13:09:27 -0500] "GET /svn/ HTTP/1.1" 401 401 10.55.9.45 - dweintraub [11/Oct/2012:13:09:28 -0500] "GET /svn/ HTTP/1.1" 500 535 Yes, I am in that group. (Or, at least how can I confirm that just to make sure that's not the issue. I have the SysinternalsSuite ADExplorer. It's where I'm getting all of my info.)

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• IPMI sdr entity 8 (memory module) only showing 3 records?

  - by thinice

  I've got two Dell PE R710's - A has a single socket and 3 DIMMs in one bank B has both sockets and 6 (2 banks @ 3 DIMMs) filled The output from "ipmitool sdr entity 8" confuses me - according to the OpenIPMI documentation these are supposed to represent DIMM slots. Output from A (1 CPU, 3 DIMMS, 1 bank.): ~#: ipmitool sdr entity 8 Temp | 0Ah | ok | 8.1 | 27 degrees C Temp | 0Bh | ns | 8.1 | Disabled Temp | 0Ch | ucr | 8.1 | 52 degrees C Output from B (2 CPUs, 3 DIMMS in both banks, 6 total): ~#: ipmitool sdr entity 8 Temp | 0Ah | ok | 8.1 | 26 degrees C Temp | 0Bh | ok | 8.1 | 25 degrees C Temp | 0Ch | ucr | 8.1 | 51 degrees C Now, I'm starting to think this output isn't DIMMS themselves, but maybe a sensor for each bank and something else? (Otherwise, shouldn't I see 6 readings for the one with both banks active?) The CPU's aren't near 50 deg C, so I doubt the significantly higher reading is due to proximity - Is anyone able to explain what I'm seeing? Does the output from my ipmitool sdr entity 8 -v here on pastebin seem to hint at different sensors? The sensor naming conventions are poor - seems like a dell thing. Here is output from racadm racdump

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• Ways to go about optimizing website performance WordPress, Amazon EC2 Apache and RDS MySQL

  - by fuzzybee

  I have 6 WordPress websites running on 1 single EC2 instance. All the the websites are connecting to databases in 1 same RDS instance. Earlier today, traffic to the largest website peaked and the RDS instance went bottle-neck - CPU utilization was 100% for over an hour. It affected all of my websites as it took them all forever to load. In order to prevent such issue from happening again, which of the following will matter most so that I invest time and effort in first of all? (I will work on all later, I just need to prioritise now) To improve caching for all websites To fine-tune the database server To fine-tune my Apache server What will be the effect on user experience for my websites? Some quick searches show that I should limit number of concurrent connections to my web server but wouldn't that prevent users from accessing my websites? More background: My largest website has 140k visits and 660k page views a month. The other 5 websites should add up much less than that. I'm using a large EC2 instance as the web server I'm using a medium RDS instance as the database server What I've already done: Use W3 Total Cache plugin for caching for most the websites, especially the largest one (I can barely anything else in terms of caching I could do for the largest website) Am I using my resources wastefully or is there simply not enough resources for my websites - or rather, how do I answer that question myself?

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• Huge host CPU usage in idle vmware guest. Ubuntu 10.04 host, Vista SP2 guest

  - by themesandmodules

  I'm experiencing huge host CPU usage with an idle vmware guest. Host: Ubuntu 10.04 32-bit 2.6.32-24-generic-pae. (Very new install, i.e 24 hours ago) Hardware is Dell XPS M1530 laptop, 4GB ram. Intel Core II Duo T9300 2.50Ghz The virtualization setting "VT" or something is enabled in my bios. Guest: Completely fresh install of Windows Vista, upgraded to latest SP2 and all windows updates installed. 1024 - 1512MB ram allocated. Absolutely no other software installed on it, apart from VMWare tools. Situation When the guest is doing absolutely nothing, I watch with sysinternals process watch on the guest. This shows that system idle process is between 70 and 99%, usually around 95%. No actual process doing anything. On the host, I watch with top, I get cpu usage of 20% - 80%, usually around 30%. What I have tried Single and Dual processor available to guest - no change. Turn off all peripherals to guest - no network, drives, usb etc - no change. Turn off 3d acceleration for guest - perhaps a small improvement, or no change. Upping allocated ram to guest from 1024MB to 1512MB - no change. Yelling at vmware - no change. I have experienced a similar issue in the past, which was solved by setting the guest to have 1 CPU. This time that hasn't worked.

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• Run command remotely on Windows computer

  - by Bilal Aslam

  I have a Windows Server 2008 instance on Amazon EC2 (Amazon's cloud compute platform, which provides VMs in the cloud). It has an external IP, and I have an admin account on the box. I would like to 'bootstrap' this instance remotely i.e. I want to run commands to download, install and configure apps on it, all without having to log on even once. Also, I cannot use psexec on the source computer. I have figured out how to do this to a remote, domain-joined computer using WMI. However, I have NOT been able to do for a remote computer on EC2. Here are some specific restrictions: The remote computer is not part of my domain, hence no Kerberos The remote computer does not have a cert I trust, or vice versa I am sure I am running into to some auth/trust restriction. Is there any way I can run a single command on the remote, given that I have admin privileges? I'm not tied down to using WMI, but I do need to run a command somehow. Feels like this should be a solved problem.

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• Advice needed: warm backup solution for SQL Server 2008 Express?

  - by Mikey Cee

  What are my options for achieving a warm backup server for a SQL Server Express instance running a single database? Sitting beside my production SQL Server 2008 Express box I have a second physical box currently doing nothing. I want to use this second box as a warm backup server by somehow replicating my production database in near real time (a little bit of data loss is acceptable). The database is very small and resources are utilized very lightly. In the case that the production server dies, I would manually reconfigure my application to point to the backup server instead. Although Express doesn't support log shipping natively, I am thinking that I could manually script a poor man's version of it, where I use batch files to take the logs and copy them across the network and apply them to the second server at 5 minute intervals. Does anyone have any advice on whether this is technically achievable, or if there is a better way to do what I am trying to do? Note that I want to avoid having to pay for the full version of SQL Server and configure mirroring as I think it is an overkill for this application. I understand that other DB platforms may present suitable options (eg. a MySQL Cluster), but for the purposes of this discussion, let's assume we have to stick to SQL Server.

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• Exchange 2010 POP3/IMAP4/Transport services complaining that they can't find SSL certificate after blue screen

  - by Graeme Donaldson

  We have a single-server Exchange 2010 setup. In the early hours of this morning the server had a blue screen and rebooted. After coming back up the POP3/IMAP4 and Transport services are complaining that they cannot find the correct SSL certificate for mail.example.com. POP3: Log Name: Application Source: MSExchangePOP3 Date: 2012/04/23 11:45:15 AM Event ID: 2007 Task Category: (1) Level: Error Keywords: Classic User: N/A Computer: exch01.domain.local Description: A certificate for the host name "mail.example.com" couldn't be found. SSL or TLS encryption can't be made to the POP3 service. IMAP4: Log Name: Application Source: MSExchangeIMAP4 Date: 2012/04/23 08:30:44 AM Event ID: 2007 Task Category: (1) Level: Error Keywords: Classic User: N/A Computer: exch01.domain.local Description: A certificate for the host name "mail.example.com" couldn't be found. Neither SSL or TLS encryption can be made to the IMAP service. Transport: Log Name: Application Source: MSExchangeTransport Date: 2012/04/23 08:32:27 AM Event ID: 12014 Task Category: TransportService Level: Error Keywords: Classic User: N/A Computer: exch01.domain.local Description: Microsoft Exchange could not find a certificate that contains the domain name mail.example.com in the personal store on the local computer. Therefore, it is unable to support the STARTTLS SMTP verb for the connector Default EXCH01 with a FQDN parameter of mail.example.com. If the connector's FQDN is not specified, the computer's FQDN is used. Verify the connector configuration and the installed certificates to make sure that there is a certificate with a domain name for that FQDN. If this certificate exists, run Enable-ExchangeCertificate -Services SMTP to make sure that the Microsoft Exchange Transport service has access to the certificate key. The odd part is that Get-ExchangeCertificate show the cert as enabled for all the relevant services, and OWA is working flawlessly using this certificate. [PS] C:\Users\graeme\Desktop>Get-ExchangeCertificate Thumbprint Services Subject ---------- -------- ------- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ....S. CN=exch01 YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY ....S. CN=exch01 ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ IP.WS. CN=mail.example.com, OU=Domain Control Validated, O=mail.exa... Here's the certificate in the computer account's personal cert store: Does anyone have any pointers for getting POP3/IMAP4/SMTP to use the cert again?

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• Moving Farm to co-location hosting - network settings requirements

  - by Saariko

  I am moving my farm (2 Dell's R620) to a co-location hosting service. I am trying to figure out the secure way to have my network settings The requirements are: VM1 is the working HOST, includes: esxi 5.1, vSphere, 4 clients (w2008r2 all) VM2 has esxi 5.1 installed, and a single machine with Veeam Backup and copy 6.5 - keeping a copy of VM1 clients on the VM2 internal storage (this solution is due to a very small budget - in case of failure on Host 1 - can redirect IP's) Only 2 VM clients require network address and access from the WWAN - ISP provides IP's range for them (with Gateway and DNS) I need connection to the iDrac's from my office (option to create a VPN-SSL tunnel) Connection to the vSphere appliances I want to be able to RDP to the VM clients The current configuration is that each host has the iDrac dedicated nic connected , and another (NIC #1) connected - with a static IP on 192.168.3.x The iDrac's have a static IP from the same network range (19.168.3.x) It will look something like this: My thoughts: On NIC#2 of both hosts I will connected a crossed cable I will give each VM clients that needs internet access a 2ndry VM network with the assigned IP from the ISP open only to web - can not access from the My Question: Should I give IP's (external) to the machines who DO NOT require WWAN Access? - I can't see a way to RDP to them directly if not. Should I use the crossed cable? or just plug NIC #2 to the switch? Will this setup even work? What do I need to verify? What Virtual nic's and/or switches should I create on the Hosts?

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• How to check that all ZFS snapshots within a pool are without holds before destroying that pool

  - by Graham Perrin

  Question Already I can check each snapshot of a filesystem individually, manually. I would prefer to check all at once (all with a single command or script). Please: can that be done with a script? Background From the man page for zfs(8): zfs holds [-H] [-r] snapshot… … -r Specifies that a hold with the given tag is applied recursively to the snapshots of all descendent file systems. I wondered whether recent snapshots are treated as descendants of older snapshot. No: Last login: Sat Dec 8 09:02:26 on ttys003 macbookpro08-centrim:~ gjp22$ zfs holds -r gjp22@2012-12-08-081957 NAME TAG TIMESTAMP macbookpro08-centrim:~ gjp22$ zfs holds -r gjp22@2012-10-28-212255 NAME TAG TIMESTAMP gjp22@2012-10-28-212255 problem with LocalStorage for WOT for Safari Mon Oct 29 6:44 2012 macbookpro08-centrim:~ gjp22$ zfs hold experiment gjp22@2012-12-08-081957 macbookpro08-centrim:~ gjp22$ zfs holds -r gjp22@2012-10-28-212255 NAME TAG TIMESTAMP gjp22@2012-10-28-212255 problem with LocalStorage for WOT for Safari Mon Oct 29 6:44 2012 macbookpro08-centrim:~ gjp22$ zfs holds -r gjp22@2012-12-08-081957 NAME TAG TIMESTAMP gjp22@2012-12-08-081957 experiment Sat Dec 8 9:04 2012 macbookpro08-centrim:~ gjp22$ zfs holds -r gjp22@2012-10-28-212255 NAME TAG TIMESTAMP gjp22@2012-10-28-212255 problem with LocalStorage for WOT for Safari Mon Oct 29 6:44 2012 macbookpro08-centrim:~ gjp22$

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• Pitfalls to using Gluster as a home/profile directory server?

  - by Bart Silverstrim

  I was asking recently about options for divvying up access to file servers, as we have a NAS solution that gets fairly bogged down when our users (with giant profiles, especially) all log in nearly simultaneously. I ran across Gluster and it looks like it can cluster different physical storage media into a single virtual volume and share it out like a virtual NAS from the client perspective and it support CIFS. My question is whether something like this would be feasible to use for home and profile directories in an active directory environment. I was worried about ACL's, primarily, as I didn't think CIFS was fine-grained enough to support NTFS permissions and it didn't look like Gluster exports those permission levels, just the base permissions for basic file sharing. I got the impression that using Gluster would allow for data to be redundant across multiple servers and would speed up access to the files under heavy load, while allowing us to dynamically boost storage capacity by just adding another server and telling Gluster's master node to add that server. Maybe I'm wrong with my understanding of it though. Anyone else use it or care to share how feasible this is?

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• uWSGI cannot find "application" using Flask and Virtualenv

  - by skyler

  Using uWSGI to serve a simple wsgi app, (a simple "Hello, World") my configuration works, but when I try to run a Flask app, I get this in uWSGI's error logs: current working directory: /opt/python-env/coefficient/lib/python2.6/site-packages writing pidfile to /var/run/uwsgi.pid detected binary path: /opt/uwsgi/uwsgi setuid() to 497 your memory page size is 4096 bytes detected max file descriptor number: 1024 lock engine: pthread robust mutexes uwsgi socket 0 bound to TCP address 127.0.0.1:3031 fd 3 Python version: 2.6.6 (r266:84292, Jun 18 2012, 14:18:47) [GCC 4.4.6 20110731 (Red Hat 4.4.6-3)] Set PythonHome to /opt/python-env/coefficient/ *** Python threads support is disabled. You can enable it with --enable-threads *** Python main interpreter initialized at 0xbed3b0 your server socket listen backlog is limited to 100 connections *** Operational MODE: single process *** added /opt/python-env/coefficient/lib/python2.6/site-packages/ to pythonpath. unable to find "application" callable in file /var/www/coefficient/flask.py unable to load app 0 (mountpoint='') (callable not found or import error) *** no app loaded. going in full dynamic mode *** *** uWSGI is running in multiple interpreter mode ***` Note in particular this part of the log: unable to find "application" callable in file /var/www/coefficient/flask.py unable to load app 0 (mountpoint='') (callable not found or import error) **no app loaded. going in full dynamic mode** This is my Flask app: from flask import Flask app = Flask(__name__) @app.route("/") def hello(): return "Hello, World, from Flask!" Before I added my Virtualenv's pythonpath to my configuration file, I was getting an ImportError for Flask. I solved this though, I believe (I'm not receiving errors about it anymore) and here is my complete configuration file: uwsgi: #socket: /tmp/uwsgi.sock socket: 127.0.0.1:3031 daemonize: /var/log/uwsgi.log pidfile: /var/run/uwsgi.pid master: true vacuum: true #wsgi-file: /var/www/coefficient/coefficient.py wsgi-file: /var/www/coefficient/flask.py processes: 1 virtualenv: /opt/python-env/coefficient/ pythonpath: /opt/python-env/coefficient/lib/python2.6/site-packages This is how I start uWSGI, from an rc script: /opt/uwsgi/uwsgi --yaml /etc/uwsgi/conf.yaml --uid uwsgi And if I try to view the Flask program in a browser, I get this: **uWSGI Error** Python application not found Any help is appreciated.

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• Virtual Lan on the Cloud -- Help Confirm my understanding?

  - by marfarma

  [Note: Tried to post this over at ServerFault, but I don't have enough 'points' for more than one link. Powers that be, move this question over there.] Please give this a quick read and let me know if I'm missing something before I start trying to make this work. I'm not a systems admin professional, and I'd hate to end up banging my head into the wall if I can avoid it. Goals: Create a 'road-warrior' capable star shaped virtual LAN for consultants who spend the majority of their time on client sites, and who's firm has no physical network or servers. Enable CIFS access to a cloud-server based installation of Alfresco Allow Eventual implementation of some form of single-sign-on ( OpenLDAP server ) access to Alfresco and other server applications implemented in the future Given: All Servers will live in the public internet cloud (Rackspace Cloud Servers) OpenVPN Server will be a Linux disto, probably Ubuntu 9.x, installed on same server as Alfresco (at least to start) Staff will access server applications and resources from client sites, hotels, trains, planes, coffee shops or their homes over various ISP, using their company laptops or personal home desktops. Based on my Research thus far, to accomplish this, I'll need: OpenVPN with Bridging Enabled to create a star shaped "virtual" LAN http://openvpn.net/index.php/open-source/documentation/miscellaneous/76-ethernet-bridging.html A Road Warrior Network Configuration, as described in this Shorewall article (lower down the page) http://www.shorewall.net/OPENVPN.html Configure bridge addressesing (probably DHCP) http://openvpn.net/index.php/open-source/faq.html#bridge-addressing Configure CIFS / Samba to accept VPN IP address http://serverfault.com/questions/137933/howto-access-samba-share-over-vpn-tunnel Set up Client software, with keys configured for access (potentially through a OpenVPN-Sa client portal) http://www.openvpn.net/index.php/access-server/download-openvpn-as/221-installation-overview.html

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