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  • "Trop travailler est stupide", un développeur estime qu'après 40 heures de travail, les programmeurs ajoutent plus de bugs que de fonctions

    « Trop travailler est stupide » un développeur estime qu'après 40 heures de travail par semaine, les programmeurs ajoutent plus de bugs que de fonctionnalités dans le code« Working Too Much Is Stupid », titre Matt Rogish, un développeur et coach d'entreprise dans un billet de blog.Pour lui, le principe suivant lequel le rendement est meilleur lorsqu'on accumule d'importantes heures de travail par semaine prôné par les entreprises est tout bonnement ridicule dans le domaine de la programmation.Cela peut encore marcher « pour une activité répétitive et de méthodologique comme la maçonnerie », estime Rogish, ou vous pouvez travailler pendant des heures et voir le mur se construire rapidement...

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  • Why does key-based ssh fail even after setting up the authorized_keys file on the remote host?

    - by Brad Grissom
    These details don't matter but I am on a Ubuntu 12.04 machine and I want to ssh into my RaspberryPi without a password. I followed the standard procedure for setting up ssh without a password: local $ ssh-keygen -t rsa (hit enter for defaults to the questions) local $ scp ~/.ssh/id_rsa.pub matt@raspihost:~/.ssh/authorized_keys I logged onto the raspihost and checked all my permissions on ~/.ssh/ and on the authorized_keys file itself. It was still not working!

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  • OpenSearchDescriptions good or bad signal in Google's eyes?

    - by JeremyB
    I noticed a site using this tag: <link rel="search" type="application/opensearchdescription+xml" title="XXXXXXXXX" href="http://www.XXXXXXXXXX.com/api/opensearch" /> As I understand it (based on http://www.opensearch.org/Home), this tag is a way of describing search results (so you use it on pages which contain search results) to make it easier for other search engines to understand and use your results. Given that Matt Cutts has said Google generally frowns on "search results within search results" is using this tag a bad idea on a page that you hope to achieve a good ranking in Google?

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  • Southampton SQL Server User Group–February 2011

    - by GavinPayneUK
    Earlier this week I attended the second sitting of the Southampton SQL Server user group, one of the regional events which compliments the larger SQL Server events we put in our diaries. The event is very well organised by Mark Pryce-Maher ( twitter ), Matt Whitfield ( twitter ) and Adrian Hills ( twitter ) in an easy to find Southampton church hall room with drinks and pizza supplied in addition to quality time with fellow SQL Server peers.  Thanks must also go to another of the event’s supporters...(read more)

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  • Google I/O 2010 - Making Freemium work

    Google I/O 2010 - Making Freemium work Google I/O 2010 - Making Freemium work - converting free users to paying customers Enterprise 101 Don Dodge (moderator), Brad Feld, Dave McClure, Jeff Clavier, Matt Holleran, Joe Kraus A panel of prominent venture capital leaders will help you understand how to build free apps that can be upgraded to paid & how to build products that can be profitable. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 25 0 ratings Time: 59:37 More in Science & Technology

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  • Unteachable Disaster Recovery Techniques

    There are some skills which are extensions of your instincts, and which you can only learn though years of experience. Matt Simmons has this brought home by the fact that he was recently minutes away from a data-loss disaster, and he doesn't quite know how he prevented it.

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  • Understanding the Value of a DMOZ Submission

    The Open Directory Project (DMOZ) data powers the core directory services for many of the Internet's most influencial search engines and portals. However, Matt Cutts once said: "if you can't get into Dmoz, I wouldn't necessarily worry about it. There are a lot of other great places to get links across the web."

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  • Boot from USB on MediaSmart EX485

    - by Matt Hanson
    I have an HP MediaSmart EX485. I'm attempting to install Vail on it with a USB flash drive and this guide: http://www.mediasmartserver.net/2010/04/26/how-to-install-windows-home-server-vail-on-the-hp-mediasmart-server/. I'm having issues getting the server to boot from the USB flash drive. The MediaSmart itself being headless doesn't help matters. The flash drive has an LED on it for disk activity, and I'm able to see that it's detected when the server is powered on, but it's definitely not booting from it. Any ideas?

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  • Can WD SmartWare be used on multiple computers?

    - by Matt
    I am wondering if I can use my portable Western Digital 1 tb drive and it's WD Smartware on 2 different computers (I have a desktop and a laptop) at the same time. So in essence, could it run two separate backups? I would even be happy if the portable external combined both data, as long as I had backups of each computer. Can anyone share some insight? Thank you.

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  • Asterisk SIP digest authentication username mismatch

    - by Matt
    I have an asterisk system that I'm attempting to get to work as a backup for our 3com system. We already use it for a conference bridge. Our phones are the 3com 3C10402B, so I don't have the issue of older 3com phones that come without a SIP image. The 3com phones are communicating SIP with the Asterisk, but are unable to register because they present a digest username value that doesn't match what Asterisk thinks it should. As an example, here are the relevant lines from a successful registration from a soft phone: Server sends: WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="1cac3853" Phone responds: Authorization: Digest username="2321", realm="asterisk", nonce="1cac3853", uri="sip:192.168.254.12", algorithm=md5, response="d32df9ec719817282460e7c2625b6120" For the 3com phone, those same lines look like this (and fails): Server sends: WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6c915c33" Phone responds: Authorization: Digest username="sip:[email protected]", realm="asterisk", nonce="6c915c33", uri="sip:192.168.254.12", opaque="", algorithm=MD5, response="a89df25f19e4b4598595f919dac9db81" Basically, Asterisk wants to see a username in the Digest username field of 2321, but the 3com phone is sending sip:[email protected]. Anyone know how to tell asterisk to accept this format of username in the digest authentication? Here is the sip.conf info for that extension: [2321] deny=0.0.0.0/0.0.0.0 disallow=all type=friend secret=1234 qualify=yes port=5060 permit=0.0.0.0/0.0.0.0 nat=yes mailbox=2321@device host=dynamic dtmfmode=rfc2833 dial=SIP/2321 context=from-internal canreinvite=no callerid=device <2321 allow=ulaw, alaw call-limit=50 ... and for those interested in the grit, here is the debug output of the registration attempt: REGISTER sip:192.168.254.12 SIP/2.0 v: SIP/2.0/UDP 192.168.254.157:5060 t: f: i: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER Max-Forwards: 70 m: ;dt=544 Expires: 3600 User-Agent: 3Com-SIP-Phone/V8.0.1.3 X-3Com-PhoneInfo: firstRegistration=no; primaryCallP=192.168.254.12; secondaryCallP=0.0.0.0; --- (11 headers 0 lines) --- Using latest REGISTER request as basis request Sending to 192.168.254.157 : 5060 (no NAT) SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Contact: Content-Length: 0 SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: ;tag=as3fb867e2 Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6c915c33" Content-Length: 0 Scheduling destruction of SIP dialog 'fa4451d8-01d6-1cc2-13e4-00e0bb33beb9' in 32000 ms (Method: REGISTER) confbridge*CLI REGISTER sip:192.168.254.12 SIP/2.0 v: SIP/2.0/UDP 192.168.254.157:5060 t: f: i: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER Max-Forwards: 70 m: ;dt=544 Expires: 3600 User-Agent: 3Com-SIP-Phone/V8.0.1.3 Authorization: Digest username="sip:[email protected]", realm="asterisk", nonce="6c915c33", uri="sip:192.168.254.12", opaque="", algorithm=MD5, response="a89df25f19e4b4598595f919dac9db81" X-3Com-PhoneInfo: firstRegistration=no; primaryCallP=192.168.254.12; secondaryCallP=0.0.0.0; --- (12 headers 0 lines) --- Using latest REGISTER request as basis request Sending to 192.168.254.157 : 5060 (NAT) SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Contact: Content-Length: 0 SIP/2.0 403 Authentication user name does not match account name Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: ;tag=as3fb867e2 Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Content-Length: 0 Scheduling destruction of SIP dialog 'fa4451d8-01d6-1cc2-13e4-00e0bb33beb9' in 32000 ms (Method: REGISTER) Thanks for your input!

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  • Using Nortel Netdirect on Windows 7 64bit

    - by Matt Lewis
    Does anyone know how to use Nortel Netdirect (Version 7.1.3.0) with Windows 7 64 bit (Home Premium)? There are several ways available to me for connecting, all of which work for me on a 32-bit XP machine: Nortel Contivity VPN client (v6_02.022). The installer appears to be 16-bit, so I can't even install it on a 64-bit machine. Web-based SSL via IE Web-based SSL via Firefox The Web-based SSL process is supposed to load Netdirect and start it up, establishing the VPN connection. Using Firefox, I'm able to authenticate with my smartcard, but when it tries to download the applet, the process stops with a message box saying that it couldn't download the zip file. If I run Firefox in Vista compatibility mode, it gets a little farther, and manages to start Netdirect, but then exits after notifying me that the netdirect adapter was not installed. Using IE, I'm able to authenticate with my smartcard, then the java applet starts, but dies with the following sent to the java console: load: class NetDirect not found. java.lang.ClassNotFoundException: NetDirect at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source) at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source) at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: unknown_ca at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Unknown Source) at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.recvAlert(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source) at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at java.net.HttpURLConnection.getResponseCode(Unknown Source) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source) at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source) at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source) at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) ... 7 more Exception: java.lang.ClassNotFoundException: NetDirect I've tried installing certificates using java's keytool, but that didn't change the outcome.

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  • CA SiteMinder Configuration for Ubuntu

    - by Matt Franklin
    I receive the following error when attempting to start apache through the init.d script: *apache2: Syntax error on line 186 of /etc/apache2/apache2.conf: Syntax error on line 4 of /etc/apache2/mods-enabled/auth_sm.conf: Cannot load /apps/netegrity/webagent/bin/libmod_sm22.so into server: libsmerrlog.so: cannot open shared object file: No such file or directory* SiteMinder does not officially support Ubuntu, so I am having trouble finding any configuration documentation to help me troubleshoot this issue. I successfully installed the SiteMinder binaries and registered the trusted host with the server, but I am having trouble getting the apache mod to load correctly. I have added the following lines to a new auth_sm.conf file in /etc/apache2/mods-available and symlinked to it in /etc/apache2/mods-enabled: SetEnv LD_LIBRARY_PATH /apps/netegrity/webagent/bin SetEnv PATH ${PATH}:${LD_LIBRARY_PATH} LoadModule sm_module /apps/netegrity/webagent/bin/libmod_sm22.so SmInitFile "/etc/apache2/WebAgent.conf" Alias /siteminderagent/pwcgi/ "/apps/netegrity/webagent/pw/" <Directory "/apps/netegrity/webagent/pw/"> Options Indexes MultiViews ExecCGI AllowOverride None Order allow,deny Allow from all </Directory> UPDATE: Output of ldd libmod_sm22.so: ldd /apps/netegrity/webagent/bin/libmod_sm22.so linux-gate.so.1 = (0xb8075000) libsmerrlog.so = /apps/netegrity/webagent/bin/libsmerrlog.so (0xb7ec0000) libsmeventlog.so = /apps/netegrity/webagent/bin/libsmeventlog.so (0xb7ebb000) libpthread.so.0 = /lib/tls/i686/cmov/libpthread.so.0 (0xb7e9a000) libdl.so.2 = /lib/tls/i686/cmov/libdl.so.2 (0xb7e96000) librt.so.1 = /lib/tls/i686/cmov/librt.so.1 (0xb7e8d000) libstdc++.so.5 = /usr/lib/libstdc++.so.5 (0xb7dd3000) libm.so.6 = /lib/tls/i686/cmov/libm.so.6 (0xb7dad000) libgcc_s.so.1 = /lib/libgcc_s.so.1 (0xb7d9e000) libc.so.6 = /lib/tls/i686/cmov/libc.so.6 (0xb7c3a000) libsmcommonutil.so = /apps/netegrity/webagent/bin/libsmcommonutil.so (0xb7c37000) /lib/ld-linux.so.2 (0xb8076000) UPDATE: The easiest way to set environment variables for the Apache run user in Ubuntu is to edit the /etc/apache2/envvars file and add export statements for any library paths you may need

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  • Installing SSL Certificate for use in IIS7, installation "works", but cert listing disappears

    - by Matt
    Windows Server 2008 R2, IIS7. We have an SSL cert from Go Daddy. It's a wildcard cert, so it will work across subdomains (e.g. *.domain.com). I followed the instructions located at http://help.godaddy.com/topic/742/article/4801 for installing the certificate. I get to the IIS step, where I: Click on "Security Certificates" feature when the server is selected in the left pane Click on "Complete Certificate Request" Navigate to the .crt file on the file system Give it a "friendly" name, click finish The cert gets listed on the main pane now of this "Server Certificates" panel. But, if I refresh the page, or navigate away and come back, it's gone. And the cert is not listed as a viable binding when trying to bind a site to https. This seems like a pretty straight forward process, but clearly I'm missing something here. Any ideas?

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  • Is there anyway to get the cyberphunks pidgin OTR plugin to be less verbose?

    - by Matt
    Is there anyway to get the cyberphunk piding OTR plugin to be less verbose? Sometimes I get hundreds of lines notifying me of the same thing... (6:40:56 PM) OTR Error: You sent encrypted data to anoynmous, who wasn't expecting it. (6:40:57 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (6:40:57 PM) The last message to [email protected] was resent. (6:40:57 PM) Error setting up private conversation: Malformed message received (6:40:58 PM) OTR Error: You sent encrypted data to anoynmous, who wasn't expecting it. (6:40:58 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (6:40:58 PM) The last message to [email protected] was resent. (6:40:59 PM) Error setting up private conversation: Malformed message received (6:40:59 PM) OTR Error: You sent encrypted data to anoynmous, who wasn't expecting it. (6:41:00 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (6:41:00 PM) The last message to [email protected] was resent. (6:41:00 PM) Error setting up private conversation: Malformed message received (6:41:01 PM) OTR Error: You sent encrypted data to anoynmous, who wasn't expecting it. (6:41:01 PM) Attempting to refresh the private conversation with [email protected]/Gaim939DD745... (6:41:01 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (6:41:01 PM) The last message to [email protected] was resent. (6:41:02 PM) OTR Error: You transmitted an unreadable encrypted message. (6:41:02 PM) Error setting up private conversation: Malformed message received (6:41:02 PM) OTR Error: You sent encrypted data to anoynmous, who wasn't expecting it. (6:41:02 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (6:41:02 PM) The last message to [email protected] was resent. (6:41:03 PM) Error setting up private conversation: Malformed message received (6:41:03 PM) OTR Error: You transmitted an unreadable encrypted message. (6:41:03 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (6:41:03 PM) The last message to [email protected] was resent. (6:41:03 PM) OTR Error: You sent encrypted data to anoynmous, who wasn't expecting it. (6:41:04 PM) Error setting up private conversation: Malformed message received (6:41:09 PM) Attempting to refresh the private conversation with [email protected]/Adium39B22966... (6:41:11 PM) Unverified conversation with [email protected]/Adium39B22966 started. (6:41:11 PM) The last message to [email protected] was resent. (6:41:11 PM) OTR Error: You transmitted an unreadable encrypted message. **(6:41:16 PM) Anonymous: yea** (6:41:20 PM) [email protected]/91A31EC5: yarrr (**6:41:25 PM) Anonymous: sup? (6:41:29 PM) [email protected]/91A31EC5: nothing (6:41:33 PM) [email protected]/91A31EC5: just speaking like a pirate (6:41:51 PM) Anonymous: word (7:13:47 PM) Anonymous: how late you workin? (9:18:12 PM) [email protected]/91A31EC5: not too late** (9:18:13 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:13 PM) Unverified conversation with [email protected]/Gaim939DD745 started. (9:18:13 PM) The last message to [email protected] was resent. (9:18:14 PM) Error setting up private conversation: Malformed message received (9:18:14 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:14 PM) Unverified conversation with [email protected]/Adium39B22966 started. (9:18:14 PM) The last message to [email protected] was resent. (9:18:15 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:15 PM) Unverified conversation with [email protected]/Gaim939DD745 started. (9:18:15 PM) The last message to [email protected] was resent. (9:18:15 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:16 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (9:18:16 PM) The last message to [email protected] was resent. (9:18:16 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:17 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (9:18:17 PM) The last message to [email protected] was resent. (9:18:17 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:18 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (9:18:18 PM) The last message to [email protected] was resent. (9:18:18 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:19 PM) Unverified conversation with [email protected]/Adium39B22966 started. (9:18:19 PM) The last message to [email protected] was resent. (9:18:19 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:20 PM) Successfully refreshed the unverified conversation with [email protected]/Adium39B22966. (9:18:20 PM) The last message to [email protected] was resent. (9:18:20 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:20 PM) Attempting to refresh the private conversation with [email protected]/Gaim939DD745... (9:18:21 PM) Unverified conversation with [email protected]/Gaim939DD745 started. (9:18:21 PM) The last message to [email protected] was resent. (9:18:21 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:21 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:21 PM) Successfully refreshed the unverified conversation with [email protected]/Gaim939DD745. (9:18:21 PM) The last message to [email protected] was resent. (9:18:21 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:22 PM) We received an unreadable encrypted message from [email protected]. (9:18:23 PM) The last message to [email protected] was resent. (9:18:24 PM) OTR Error: You transmitted an unreadable encrypted message. (9:18:25 PM) We received an unreadable encrypted message from [email protected]. (9:18:26 PM) Unverified conversation with [email protected]/Adium39B22966 started. (9:18:26 PM) The last message to [email protected] was resent.

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  • Extract Key and Certificate from Kemp Loadmaster?

    - by Matt Simmons
    I'm trying very hard to get away from a set of Kemp Loadmasters that I bought years ago to provide HA access to our website. Part of that process is going to be putting the key and certificate in the new solution (HAproxy with nginx doing SSL). Unfortunately, I've come up against a problem... The Kemp has built-in certificate management, and it generates CSR's at the touch of a button. It also supported importing of signed certificates, however it does not, so far as I can tell, allow any kind of export of the key itself. There is a "backup key and certificates" ability, however here's the text from the manual: LoadMaster supports exporting of ALL certificate information. This includes private key, host and intermediate certificates. The export file is designed to be used for import into another LoadMaster and is encrypted. Export and import can be completed using the WUI at Certificates -> Backup/Restore Certs. Please make sure to note the pass phrase used to create the export, it will be required to complete the import. You can selectively resort only Virtual Service certificates including private keys, intermediate certificates or both. Well, that is great, but as for actually DEALING with the certs, I'm apparently out of luck. Of course, I'm not going to give up that easily. I ran "file" on the saved cert bundle and got this: $ file client1.certs.backup client1.certs.backup: gzip compressed data, from Unix Well, awesome, I thought. Maybe it's just a .tar.gz, so I unzipped it, and that went fine, but my attempts to untar it didn't work, and running "file" on it now just gives this: $ file client1.certs.backup client1.certs.backup: data So that's where I'm stuck. Anyone have experience with these?

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  • Connecting Dell PowerVault NAS to ESXi

    - by Matt Fitz
    Just got a Dell PowerVault NAS storage device running Windows Storage Server Standard which includes NFS. When I try and connect the ESXi server I get the following message: Call "HostDatastoreSystem.CreateNasDatastore" for object "ha-datastoresystem" on ESXi "powerhouse" failed. Operation failed, diagnostics report: Unable to complete Sysinfo operation. Please see the VMkernel log file for more details. I am pretty sure it is a username/password type thing. Not sure were to begin though. Also, I am planning on using "Username Mapping" instead of Active Directory. Any ideas would be greatly appreciated

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  • Long pause when accessing DFS namespace

    - by Matt
    We've recently migrated our Windows network to use DFS for shared files. DFS is working well, except for one annoying problem: users experience a significant delay when they try to access a DFS namespace that they have not accessed for some time. I have tried to troubleshoot the issue but have not had any success so far, and I was hoping someone here may have some pointers to help resolve the problem. Firstly, some background on our network: The network uses a Windows 2008 functional level Active Directory domain with two Windows 2008 DCs and two DNS servers (one on each of the DCs). The network is DNS only - no WINS. All computers are located at the same site and connected by Gigabit Ethernet. We have approximately 20 Domain-based DFS namespaces in Windows 2008 mode, and each DFS namespace has two Windows 2008 DFS namespace servers (the same two servers for all namespaces). All namespace servers are in FQDN mode and all folder targets are specified using their FQDN. All computers are up-to-date with Service Packs and patches. The actual folder targets (i.e. the SMB shares our DFS folders point to) are scattered across several file and application servers, all running Windows 2008 bar two application servers which run Windows 2003 R2, with no replication setup at all (e.g. all DFS folders currently only have one folder target). Some more detail on the problem: The namespace access delay is generally 1 - 10 seconds long and seems to occur when a particular computer has not accessed the requested namespace for approximately five minutes or more. For example, if the user has not accessed \\domain.name\namespace1\ for more than five minutes and attempts to access \\domain.name\namespace1\ via Windows Explorer, the Explorer window will freeze for 1 - 10 seconds before finally resuming and displaying the folders that exist in \\domain.name\namespace1. If they then close the Explorer window and attempt to access \\domain.name\namespace1\ again within five minutes the contents will be displayed almost instantly - if they wait longer than five minutes it will go through the 1 - 10 second pause again. Once "inside" the namespace everything is nice and snappy, it's just the initial connection to the namespace that is slow. The browsing delays seem to affect all variants of Windows that we use (Windows 2008 x64 SP2, Windows 2003 R2 x86 SP2, Windows XP Pro x86 SP3) - it is possibly a bit worse in Windows XP / 2003 than in Windows 2008, but I'm not sure if the difference isn't just psychological. Accessing the underlying folder targets directly exhibits no delay at all - i.e. if the SMB shares pointed to by DFS are accessed directly (bypassing DFS) then there is no pause. During trouble-shooting I noticed that the "Cache duration" for all of our DFS roots is set to 300 seconds - 5 minutes. Given that this is the same amount of time required to trigger the pause I assume that this caching is somehow related, although I am unsure exactly what is cached on the client and hence what needs to be looked up again after 5 minutes have elapsed. In trying to resolve the problem I have already tried / checked the following (without success): Run dcdiag on both Domain Controllers - no problems found Done some basic DNS server checks without finding any problems - I don't know how to check the DNS servers in detail, but I would add that the network is not exhibiting any other strange behavior that may point to a DNS problem Disabled Anti-virus on clients and servers Removing one of the namespace servers from a couple of namespaces - no difference So that's where I'm up to - and I'm out of ideas. Can anyone suggest what may be causing the delays and/or what I should be trying next?

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  • VBE6.dll not found when opening Access 2007 database in Access 2010

    - by The Matt
    I have an access 2007 database that has some VBA code in it. I need to open this database in Access 2010, but when I first open it I get an error that says: the expression on open you entered as the event property setting produced the following error: file not found: VBE6.dll I believe it's becuase Access 2010 references VBE7.dll when it loads up, and my database was built to reference VBE6.dll. I've tried putting VBE6.dll in the same folder that VBE7.dll resides in, hoping it would just get loaded up, but no luck. What can I do to resolve this?

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  • Replacing DropBox with: Amazon S3 + SSL + GPG/TrueCrypt + Mounting on OSX ??

    - by Matt Rogish
    So, right now we're using DropBox to share various data files around between approximately 10 Mac OS X systems. However, we already have an S3 account and everyone on the lowest DropBox plan of $10/mo seems too expensive. We'd like to avoid any kind of local storage (share a disk on a desktop or something) since we're a geographically distributed team). So, I am contemplating something that would allow us to replace DropBox with our own home-grown solution. We are all fairly technical people and/or smart enough to follow some steps, so if it's not as "user friendly" as DropBox we're all comfortable with that. There are plenty of docs out there that have bits and pieces of what I want but some of the tools don't seem to fit the requirements: Transport security via SSL to the bucket Encryption of bucket contents Bi-directional syncing Most of the scripts I can find on the internet use "duplicity" which appears to fail #1 (it doesn't look like duplicity supports SSL to S3 - the docs don't state but the protocol looks plain old http http://www.nongnu.org/duplicity/duplicity.1.html#sect6 ) Many scripts use gpg to encrypt files. This seems like it could work, however I have to make sure that each OSX client is able to use the same key to encrypt and decrypt files (key management is left to me to manage). FTP and other client-based apps don't seem to support this at all. Finally, most of the scripts use one-way replication, e.g. using Amazon S3 as a simple backup store. As we'd be using Amazon S3 as the "repository" they fail this one. Whew. So, I'd love a single tool that does this but after an exhaustive search I don't think one exists. In my mind, the magical tool would be some combination of TrueCrypt and rsync. I'd be happy just knowing which tools out there can fulfill my 3 requirements, after that I can stitch together the rest. Any thoughts? THANKS!

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  • DD-WRT with native IPv6

    - by Matt
    My ISP provides native IPv6 support (ie. I can plug in my computer straight into the WAN and get an IPv6 address). However I can not get this working on DD-WRT. When I enable IPv6 and radvd in DD-WRT, the router gets in IPv6 address, but the devices on my LAN do not. I tried looking at the DD-WRT wiki, but this only displayed instructions for tunneling or other methods where native support isn't available. I found a small amount of sites thorough searching, but none of the methods these sites described gave my computers each a global IPv6 address. In addition, SSHing into the router using ping6 on sites such as ipv6.google.com causes "host unreachable" errors. Has anyone using DD-WRT configured a successful setup with native IPv6? I am using a Netgear WNDR3700 v2, with DD-WRT build 17201

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  • SATA drives or chipset throwing DRDY ERR and ICRC ABRT

    - by Matt
    I have an SD-VIA-1A2S PCI card with 2 sata ports (and one ATA-133 that isn't used). Two new Western Digital Caviar Green drives (WD10EARS 1TB) throw repeated errors in kern.log (removed date/time/host info for brevity): [ 7.376475] ata2.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6 [ 7.376480] ata2.00: BMDMA stat 0x5 [ 7.376483] ata2: SError: { UnrecovData Proto TrStaTrns } [ 7.376489] ata2.00: cmd c8/00:40:20:00:00/00:00:00:00:00/e0 tag 0 dma 32768 in [ 7.376490] res 51/84:2f:20:00:00/00:00:00:00:00/e0 Emask 0x12 (ATA bus error) [ 7.376493] ata2.00: status: { DRDY ERR } [ 7.376495] ata2.00: error: { ICRC ABRT } [ 7.376504] ata2: hard resetting link I'm using Ubuntu 9.04 - 2.6.28-18-generic, though I have tried live cds of Ubuntu 9.10, Fedora 12 and OpenSUSE 11.2 - all running various 2.6.31 kernels - and all received the same error. Based on testing these drives and this card in two other machines and combos of connecting the drives directly to the motherboard or the add-in card, I'm relatively convinced that it's the VIA chipset that is the problem. Another computer that also has an onboard VIA SATA chipset (like the add-in card) produces the same errors when the drives are directly on that motherboard. I have been able to verify that the drives are perfectly good, and I tried everything I can think of in terms of swapping cables, psu isn't overloaded, etc. The error happens on boot once or twice, after using fdisk on the drive once or twice, and constantly when attempting to sync a new mdadm raid 1 array created on the two drives. Any thoughts on where to go from here - driver/kernel wise? I'm completely open to buying a new PCI add-in card if someone can recommend one with 2 internal sata ports that works well in Debian/Ubuntu. Thanks!

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  • How does SELinux affect the /home directory?

    - by Matt Solnit
    Hi everyone. I'm migrating a CentOS 5.3 system from MySQL to PostgreSQL. The way our machine is set up is that the biggest disk partition is mounted to /home. This is out of my control and is managed by the hosting provider. Anyway, we obviously want the database files to be on /home for this reason. With MySQL, we did the following: Edited my.cnf and changed the datadir setting to /home/mysql Added a new "File type" policy record (I hope I'm using the right terminology) to set /home/mysql(/.*)? to mysqld_db_t Ran restorecon -R /home/mysql to assign the labels and everything was good. With PostgreSQL, however, I did the following: Edited /etc/init.d/postgresql and changed the PGDATA and PGLOG variables to /home/pgsql/data and /home/pgsql/pgstartup.log, respectively Added a new policy record to set /home/pgsql/pgstartup.log to postgresql_log_t Added a new policy record to set /home/pgsql/data(/.*)? to postgresql_db_t Ran restorecon -R /home/pgsql to assign the labels At this point, I still cannot start PostgreSQL. pgstartup.log says: # cat pgstartup.log postmaster cannot access the server configuration file "/home/pgsql/data/postgresql.conf": Permission denied The weird thing is that I don't see any messages related to this in /var/log/messages or /var/log/secure, but if I turn off SElinux, then everything works. I made sure all the permissions are correct (600 for files and 700 for directories), as well as the ownership (postgres:postgres). Can anyone tell me what I am doing wrong? I'm using the Yum repository from commandprompt.com, version 8.3.7. EDIT: The reason my question specifically mentions the /home directory is that if I go through all these steps for any other directory, e.g. /var/lib/pgsql2 or /usr/local/pgsql, then it works as expected.

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  • Unable to Set Up Remote Access on Windows Home Server

    - by Matt Hanson
    When trying to turn on Remote Access on my Windows Home Server (HP MediaSmart Ex485, MediaSmart Server 3.0, Power Pack 3), I am not able to continue through the wizard as this first check fails: "Verifying that your remote Web site is available locally" Everything else on the server works fine, including being able to: Ping server RDP to server Access all shares as expected Browse to both http://servername and http://servername:55000 I have noticed though that I am unable to browse to http://servername:56000 as I should be able to do. I've performed a server recovery to reset the installation to factory defaults, with no such luck.

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  • Adding QR Codes to Exclaimer

    - by Matt
    We are running a piece of software called Exclaimer which sets a standard template for email signatures and grabs some details from Active directory, like Contact numbers and title. I need to add a QR Code to the signature but it will need to be different for 50 + people, so I cannot use the standard template. I could create a template for everyone individually, but I would like to know if there is a more efficient way of doing this?

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