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  • Use Mac OS X Server As Development Environment

    - by macinjosh
    I've installed Mac OS X Server 10.6.3 on my laptop to use as my normal OS. I do a lot of web development and thought it would be handy to run OS X Server so I could more easily manage my local development environment (Apache Virtual Hosts, Hostnames for each local site, etc). I'm really enjoying the new setup except for one problem. DNS. My ideal situation would be to add a site (some-site.local) in the Web Service and then go to the DNS Service and add a primary record for the new site. I actually got this working at one point but after a reboot it stopped working! The records look the same as they did before the reboot but the site doesn't come up in Safari. Here is a list of my needs: Need to be able to add new domains at a whim Domains always map to a site on the same box's Web Service Local & External IPs often change It would nice if it worked on any network (i.e. WiFi at the airport or coffee shop) Sites only need to be accessible locally Configuration should stay put even after rebooting I've done some googling and used this as a bit of guide. In the past I've used MAMP and then just a local Apache/PHP/MySQL install with a manually managed hosts file. I'd rather not go back.

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  • Apache /server-status/ gives a 404 not found

    - by kapshure
    I am trying to solve a problem where Apache stats aren't displaying correctly in Munin. I've ran through quite a bit of checks and tests regarding Munin setup, but I think my issue is related to Apache, but my skill set there is lacking. first, system info: monitored server CentOS 5.3 kernel 2.6.18-128.1.1.el5 Apache/2.2.3 "server-status" directive in httpd.conf (i've cross-compared this with another system that i did a successful parallel install of Munin on, correctly showing Apache stats, and the directive below is the same for both) ExtendedStatus On <Location /server-status> SetHandler server-status Order deny,allow Deny from all Allow from 127.0.0.1 </Location> ran lynx http://localhost/server-status got HTTP/1.1 404 taking a look at Apache access_log: 127.0.0.1 - - [13/Oct/2010:07:00:47 -0700] "GET /server-status HTTP/1.0" 404 11237 "-" "Lynx/2.8.5rel.1 libwww-FM/2.14 SSL-MM/1.4.1 OpenSSL/0.9.8e-fips-rhel5" mod_status is also loaded: % grep "mod_status" /etc/httpd/conf/httpd.conf LoadModule status_module modules/mod_status.so iptables is turned off also i did notice that the ownership status on httpd.conf on this system is root.root.. whereas the system that is displaying correctly is apache.www -- not certain that this matters?? its got to be permission issue, but i'm not certain where the permissions are messed up. any thoughts on why the test of server-status is giving me a 404?

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  • Identifying Hard Drive as performance bottleneck for desktop machines

    - by Programming Hero
    I'm working in a development team where we all use laptops so we can work in multiple locations. These laptops are proving notoriously slow for development work, but at a glance they all look to have the specification for a much faster experience: CPU - Intel Core 2 Duo T7500 Memory - 2GB of RAM We all experience the biggest delays when the hard-drives are being accessed, particularly when swap-files are being thrashed. After doing a little bit of profile, a colleague discovered that our HDDs are seeing Read/Write speeds of about 10MB/sec. This seems abnormally low and we believe it the cause of the problem. Sensibly (though somewhat annoyingly) our business wont blow money on faster drives just to see if it fixes the problem; we need to illustrate this is definitely the problem and that buying some solid-state drives will make it go away. I need some way of showing how 90% of the system resources aren't being used over the course of a day, and that whenever there is utilization, it's all in HDD reads or writes. Are there any tools I could use to provide this information? Does it seem likely the problem is going to be fixed by a faster drive? Should I be looking for alternatives?

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  • Sniffing at work- How to detect

    - by coffeeaddict
    Because of the place I work has some real issues (people) especially in IT and the owner, I wonder if we are being sniffed. Is there any way to tell if on a Vista 64-bit machine: 1) In system logs some identification that would tell me that someone might log into my PC such as an Admin 2) Something in the logs that would give me a flag about maybe I'm being monitored some other way? 3) How can I be sure that my gmail, hotmail, and chat is not being sniffed. I know there are things like Simp, etc. I'm talking about specific hidden system signs either in registry or logs. Obviously I'm not going to raise any suspicion by me asking our network admin. I don't trust anyone at this company. is there a good way to basically monitor for this as an end user? Could someone log in and basically watch me work and if so, would there be any goodies left behind for me to find out if this has happened other than visual signs which would not be present...maybe some running processes?

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  • network policy + WPA enterprise (tkip) Windows 2008 R2

    - by Aceth
    hi I've attempted the following guide and in a bit of a pickle. http://techblog.mirabito.net.au/?p=87 My main goal is to have a username / password based wireless authentication with active directory integration. I keep getting the error Network Policy Server denied access to a user. Contact the Network Policy Server administrator for more information. User: Security ID: domain\rhysbeta Account Name: rhysbeta Account Domain: domain Fully Qualified Account Name: domain\rhysbeta Client Machine: Security ID: NULL SID Account Name: - Fully Qualified Account Name: - OS-Version: - Called Station Identifier: 00-12-BF-00-71-3C:wirelessname Calling Station Identifier: 00-23-76-5D-1E-31 NAS: NAS IPv4 Address: 0.0.0.0 NAS IPv6 Address: - NAS Identifier: - NAS Port-Type: Wireless - IEEE 802.11 NAS Port: 2 RADIUS Client: Client Friendly Name: Belkin54g Client IP Address: x.x.x.10 Authentication Details: Connection Request Policy Name: Secure Wireless Connections Network Policy Name: Secure Wireless Connections Authentication Provider: Windows Authentication Server: srvr.example.com Authentication Type: EAP EAP Type: - Account Session Identifier: - Logging Results: Accounting information was written to the local log file. Reason Code: 22 Reason: The client could not be authenticated because the Extensible Authentication Protocol (EAP) Type cannot be processed by the server. ` I would love to have it so that non domain devices

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  • Database mirroring login failure attempts on mirror server

    - by Chandan
    I have configured database mirroring between two servers at a distance 40 miles away from each other. Server specifications: SQL Server 2008,Standard Edition 64-bit This is same for principal,mirror and witness. The configuration is high-safety with automatic failover Initially we tested our .net application(web application) on both the principal and mirror and made sure that the login is not orpahned. Things run fine generally.But sometimes on the mirror server,I see login failed attempts: Login failed for user 'd0main\user'. Reason: Failed to open the explicitly specified database. [CLIENT: xx.xx.x.x] Message Error: 18456, Severity: 14, State: 38. This error appears 3-4 times a day but not more than that. My question to the experts is:If the principal is alive so why the application tries to connect to mirror.The default time-out for a .net webpage is 30 seconds,so is it possible that the application tries to connect principal and after 30 seconds even if principal is alive,it assumes that it is dead and thus tries to open a connection to mirror where it fails. Please help me with this problem.

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  • X11 performance problem after upgrading from Centos3 to Centos5 with an ATI Rage XL

    - by Marcelo Santos
    After upgrading a computer from Centos3 to Centos5 an application that does a lot of scrolling took a very high performance hit. top tells me that X is using a lot of CPU and that was not happening before. The machine has an ATI Rage XL with 8MB and X is using the ati driver as there is no proprietary ATI driver for this board on linux. The xorg.conf: Section "Device" Identifier "Videocard0" Driver "ati" EndSection Section "Screen" Identifier "Screen0" Device "Videocard0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 Modes "1024x768" "800x600" "640x480" EndSubSection EndSection Section "DRI" Group 0 Mode 0666 EndSection A similar machine that still has Centos3 installed is able to start DRI on the X server while this one is not, this is the Xorg.0.log for the Centos5 machine: drmOpenDevice: node name is /dev/dri/card0 drmOpenDevice: open result is -1, (No such device or address) drmOpenDevice: open result is -1, (No such device or address) drmOpenDevice: Open failed drmOpenDevice: node name is /dev/dri/card0 drmOpenDevice: open result is -1, (No such device or address) drmOpenDevice: open result is -1, (No such device or address) drmOpenDevice: Open failed [drm] failed to load kernel module "mach64" (II) ATI(0): [drm] drmOpen failed (EE) ATI(0): [dri] DRIScreenInit Failed (II) ATI(0): Largest offscreen areas (with overlaps): (II) ATI(0): 1024 x 1279 rectangle at 0,768 (II) ATI(0): 768 x 1280 rectangle at 0,768 (II) ATI(0): Using XFree86 Acceleration Architecture (XAA) Screen to screen bit blits Solid filled rectangles 8x8 mono pattern filled rectangles Indirect CPU to Screen color expansion Solid Lines Offscreen Pixmaps Setting up tile and stipple cache: 32 128x128 slots 10 256x256 slots (==) ATI(0): Backing store disabled (==) ATI(0): Silken mouse enabled (II) ATI(0): Direct rendering disabled (==) RandR enabled I also tried using EXA instead of XAA and setting: Option "AccelMethod" "XAA" Option "XAANoOffscreenPixmaps" "true" uname -a Linux sir5.erg.inpe.br 2.6.18-128.7.1.el5 #1 SMP Mon Aug 24 08:20:55 EDT 2009 i686 i686 i386 GNU/Linux rpm -qa | grep xorg-x11-server xorg-x11-server-utils-7.1-4.fc6 xorg-x11-server-sdk-1.1.1-48.52.el5 xorg-x11-server-Xvfb-1.1.1-48.52.el5 xorg-x11-server-Xnest-1.1.1-48.52.el5 xorg-x11-server-Xorg-1.1.1-48.52.el5 The drmOpenDevice error continues when using the suggested Option "AIGLX" "true".

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  • Robocopy silently missing files

    - by John Hunt
    I'm using Robocopy to sync data from our server's hard disk to an external disk as a backup. It's a pretty simple solution but pretty much the best/easiest one we could come up with - we use two external disks and rotate them offsite. Anyway, here's the script (with the comments taken out) that I'm using to do it. It works very well, it's quick and almost 100% complete - however it's acting pretty strange with a few files (note company name has been changed in paths to protect the innocent): @ECHO OFF set DATESTAMP=%DATE:~10,4%/%DATE:~4,2%/%DATE:~7,2% %TIME:~0,2%:%TIME:~3,2%:%TIME:~6,2% SET prefix="E:\backup_log-" SET source_dir="M:\Company Names Data\Working Folder\_ADMIN_BACKUP_FILES\COMPA AANY Business Folder_Backup_040407\COMPANY_sales order register\BACKUP CLIENT FOLDERS & CURRENT JOBS pre 270404\CLIENT SALES ORDER REGISTER" SET dest_dir="E:\dest" SET log_fname=%prefix%%date:~-4,4%%date:~-10,2%%date:~-7,2%.log SET what_to_copy=/COPY:DAT /MIR SET options=/R:0 /W:0 /LOG+:%log_fname% /NFL /NDL ROBOCOPY %source_dir% %dest_dir% %what_to_copy% %options% set DATESTAMP=%DATE:~10,4%/%DATE:~4,2%/%DATE:~7,2% %TIME:~0,2%:%TIME:~3,2%:%TIME:~6,2% cscript msg.vbs "Backup completed at %DATESTAMP% - Logs can be found on the E: drive." :END Normally the source would just be M:\Comapany name data\ but I altered the script a bit to test the problem. The following files in the source are not copied to the dest: Someclient\SONICP~1.DOC Someclient\SONICP~2.DOC Someclient\SONICP~3.DOC However, files in the same directory named: TIMESH~1.XLS TIMESH~2.XLS are copied. I'm able to open the files that aren't copied with no trouble at all, and they certainly weren't opened when I ran robocopy so it's not a locking issue. Robocopy is running as administrator so it's not a permissions issue. There's no trace these files were even attempted to be copied as there are no errors being output in the log or in my command prompt. Does anyone have any suggestions as to what this might be? Busted hard disk? Cheers, John.

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  • Exchange 2010: Find Move Request Log after move request completes

    - by gravyface
    EDIT: significantly changed my question here to streamline it a bit. I've gone ahead and used 100 as my corrupted item count and ran it from the Exchange Shell. So the trail of tears continues with my SBS 2003 to 2011 migration: all the mailboxes have moved mailbox store from OLDSERVER to NEWSERVER, with the Local Move Requests completing successfully, except for one. What I'd like to do now is review the previous move request log files: when they were in progress, I could right-click Properties Log View Log File, but now that they're completed, that's not available. Nor can I use: Get-MoveRequestStatistics <user> -includereport | fl MoveReport ...as the move request has now completed and it errors out with "couldn't find a move request that corresponds...". Basically what I'd like to do is present the list of baditems to the user so that they're aware of what items didn't come across and if anything important was lost, be able to check their current OST, an archive.pst, etc. to recover it if possible. If this all needs to be wrapped up in a batch Exchange power shell command to pipe the output to log files on disk somewhere, I'm all ears, and would appreciate it for the next migration we do.

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  • Verify client certificate CN in Tomcat(APR)

    - by Petter
    I'm running a tomcat installation with the APR libraries installed (with the OpenSSL HTTPS stack that comes with it). What I'm trying to do is to lock a specific HTTPS connector down to users of a specific certificate. Adding client certificate verification is no issue, but I can't get it to validate against a specific Common name only. I was perhaps a bit naïve and thought the mod_ssl attribute SSLRequire typically used in Apache Httpd would work, but that property is not recognized by the Tomcat implementation. (http://tomcat.apache.org/tomcat-7.0-doc/config/http.html#SSL%20Support points to some mod_ssl docs, but the Tomcat implementation does not seem to cover all aspects of mod_ssl). I can get this to work by using the Java version of the connector instead of APR (losing some performance) and just add a trust store with that one certificate in it. However, using openssl without the SSLRequire expressions, I'm not sure how to do this with Tomcat7 (on Windows if that matters). <Connector protocol="HTTP/1.1" port="443" maxThreads="150" scheme="https" secure="true" SSLEnabled="true" SSLCertificateFile="mycert.pem" SSLCertificateKeyFile="privkey.pem" SSLCACertificateFile="CABundle.pem" SSLVerifyClient="require" SSLProtocol="TLSv1" SSLRequire="(%{SSL_CLIENT_S_DN_CN} eq &quot;host.example.com&quot;)"/> Can you suggest a way to make this work using Tomcat/APR/OpenSSL?

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  • Two hosted servers, one public - VPN?

    - by Aquitaine
    Hello there, Web developer here who has to occasionally wear a system & network admin hat (small company). We currently have a single hosted server running Windows Server 2003 that runs both our web server (IIS/Coldfusion) and our database server (SQL Server 2008). We lock down the SQL server by allowing only specific IPs to connect to it. Not ideal but it's worked thus far. We're moving up to two distinct servers and I want to take the opportunity to 'get things right' and make only the web server face the public. What I need to be able to do is to allow only a handful of people to connect to the database server. Rather than using an IP allow list, I'd prefer to use a VPN to let people through so that access is based on the user and not simply the user's location. I'm leaning toward something like OpenVPN, just so I can stick with Server 2008 Web edition. Do I: Use the web server as a VPN server and set up the database server to only accept connections from the web server? Is there an extra step required to make connections to, say, db.mycompany.com route through the VPN rather than through a different connection? I'm ignorant of this part of network infrastructure stuff. Or, Set up a VPN server on the database server as the only public-facing server connection so that there aren't any routing issues to deal with? I know this is Network 101 stuff but I thought I'd ask before just blundering through it since it could affect the company a bit. Thanks very much!

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  • newsubtitles line not working in FFmpeg

    - by godMode
    i'm trying to run the following line on FFmpeg that will basically "re-format" an MKV file to MP4 without doing any re-encoding and also embed SRT subtitles onto the MP4 output: ffmpeg -i test.mkv -i test.srt -newsubtitle -acodec copy -vcodec copy test.mp4 Without the "-i test.srt -nwesubtitle" bit, it seems to work just fine; however, with it I get the following output: Seems stream 0 codec frame rate differs from container frame rate: 47.95 (5000000/104271) - 23.98 (24000/1001) Stream #0.0(eng): Video: h264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc Stream #0.1(eng): Subtitle: 0x0000 Metadata: title : English Stream #0.2(jpn): Audio: aac, 48000 Hz, stereo, s16 Metadata: title : Japanese 2.0 Stream #0.3(eng): Audio: aac, 48000 Hz, stereo, s16 Metadata: title : English 2.0 Stream #0.4(eng): Subtitle: 0x0000 Metadata: title : English Songs & Signs Stream #0.5: Attachment: 0x0000 Metadata: filename : MyriadPro-Bold.ttf Stream #0.6: Attachment: 0x0000 Metadata: filename : MyriadPro-RegularHaruhi.ttf Stream #0.7: Attachment: 0x0000 Metadata: filename : ChaparralPro-BoldIt.ttf Stream #0.8: Attachment: 0x0000 Metadata: filename : ChaparralPro-SemiboldIt.ttf Stream #0.9: Attachment: 0x0000 Metadata: filename : epmgobld_ending.ttf Stream #0.10: Attachment: 0x0000 Metadata: filename : epminbld_opening.ttf Stream #0.11: Attachment: 0x0000 Metadata: filename : Folks-Bold.ttf Stream #0.12: Attachment: 0x0000 Metadata: filename : GosmickSansBold.ttf Stream #0.13: Attachment: 0x0000 Metadata: filename : WarnockPro-LightDisp.ttf Stream #0.14: Attachment: 0x0000 Metadata: filename : epmgobld_ending.ttf Stream #0.15: Attachment: 0x0000 Metadata: filename : GosmickSansBold.ttf Stream #0.16: Attachment: 0x0000 Metadata: filename : Marker SD 1.2.ttf Stream #0.17: Attachment: 0x0000 Metadata: filename : MyriadPro-Bold.ttf Stream #0.18: Attachment: 0x0000 Metadata: filename : MyriadPro-RegularHaruhi.ttf Stream #0.19: Attachment: 0x0000 Metadata: filename : MyriadPro-SemiCn.ttf test.srt: Invalid data found when processing input I tried adding "-r pal", "-r ntsc" or "-r 23.98" thinking it was framerate issue with no change.

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  • How to make working TFTP server on CentOS 6.2

    - by Dima
    I'm trying to setup TFTP server on CentOS 6.2. The /etc/xinet.d/tftp configuration file is the following: service tftp { disable = no socket_type = dgram protocol = udp wait = yes user = root server = /usr/sbin/in.tftpd server_args = -s /tftpboot -vvv per_source = 11 cps = 100 2 flags = IPv4 } The selinux and firewall are disabled. The /etc/hosts.allow and /etc/hosts.deny files are empty. When I'm trying to get a file from the TFTP server, the file transfer always failed and I see the following errors into /var/log/messages Jul 11 03:16:53 localhost xinetd[4155]: xinetd Version 2.3.14 started with libwrap loadavg labeled-networking options compiled in. Jul 11 03:16:53 localhost xinetd[4155]: Started working: 1 available service Jul 11 03:17:00 localhost xinetd[4155]: START: tftp pid=4157 from=192.168.10.3 Jul 11 03:17:00 localhost in.tftpd[4158]: RRQ from 192.168.10.3 filename 1 Jul 11 03:17:00 localhost in.tftpd[4158]: sending NAK (0, Permission denied) to 192.168.10.3 Jul 11 03:17:01 localhost in.tftpd[4159]: RRQ from 192.168.10.3 filename 1 Jul 11 03:17:01 localhost in.tftpd[4159]: sending NAK (0, Permission denied) to 192.168.10.3 Jul 11 03:17:03 localhost in.tftpd[4160]: RRQ from 192.168.10.3 filename 1 The tftpboot directory permissions are (output of the ls -l command): drw-rw-rw-. 3 root root 4096 Jul 11 03:32 tftpboot I also see that the tftpboot directory is shown (by ls -l) with green background (unlike other files/directories) (Why? As I know the green background is for sticky bit only). What I did wrong? How can I make TFTP server working?

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  • How do I configure custom URL handlers on OS X?

    - by cwd
    I've been reading a lot online about custom URL handlers / custom protocol handlers such as: Launching External Applications using Custom Protocols under OSX OS X URL handler to open links to local files I get that you can tell the system that a particular program is able to handle a certain scheme / protocol with the Info.plist file: <key>CFBundleURLTypes</key> <array> <dict> <key>CFBundleURLName</key> <string>Local File</string> <key>CFBundleURLSchemes</key> <array> <string>local</string> </array> </dict> </array> <key>NSUIElement</key> <true/> But if there are multiple applications that are capable of opening the same URL handler, such as mailto: how do you specify which one you want the system to use? There were some references to utilities like the More Internet preference pane which no longer seems to be available from the author's site. I did find it online by Googling but it seems a bit shaky - like it was written for an older OSX - perhaps Tiger. I haven't been able to find information on how to set the URL handler for protocols and custom protocols. I'm assuming there is a plist file somewhere that I can edit - or maybe there is a newer, better utility that works well with Mountain Lion?

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  • Can't login to phpMyAdmin on a WAMP server running Windows 2008

    - by Richard West
    I am setting up a new server. I have installed Apache 2.2.17, PHP 5.3.3, MySQL 5.1.53 and phpMyAdmin 3.3.8 running on a Windows 2008 (32 bit) OS. I have configured Apache and PHP so they appear to be working fine. I have created the standard test php page with the following code and everything appears to be working fine. <?php //index.php phpinfo(); ?> I also see the mySQL and mySQLi section in the above webpage, so it appears that that I have the proper extensions loaded for mySQL access. The problem that I am having centeres around myPHPAdmin. I have this installed and I can access to the login screen at http://localhost/pma I login using "root" and the password I have setup for root. After a delay of 30 seconds or so the web page goes to a blank screen, and the url is now http://localhost/pma/index.php?token= No error is ever displayed - however nothing usable is either. I have confirmed that mySQL is running by going to the command line and logging into mySQL from there. I have double checked my configuration but I am not having any luck getting this to work. I have also disabled the Windows firewall, but that did not change anything. I installed mySQL using the standard port 3306. Any advice would be greatly appreciated.

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  • VIM with iA Writer type formatting?

    - by Ambidex
    I've been Googling for a while now. I would like to have iA Writer-like (or a bit like StackExchange) formatting in Vim. Since I love the way it formats my texts, but I'm constantly pressing "w" to skip words because my experience with Vim. I would love to be able to have the same smart formatting in Vim. I did found a nice Vim plugin for getting Vim to toggle to big and clean font: https://github.com/honza/writer.vim But this still does not enable me to use the formatting: # Header 1 ## Header 2 *underline* **strong** etc... Besides all this above, I would not mind to have Vim like shortcuts in my iA writer app if it would not be possible to implement iA formatting in Vim. Edit: After a while of even more searching, I found out this type of formatting is called Markdown. I am starting to think there isn't really a good way to directly edit a Markdown file in Vim, because Vim is not able to make things display like that? I would really like to be able to use the movement shortcuts in combination of the nice formatting of Markdown and how it is displayed in iA Writer.

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  • Port Forwarding(?) TD-W8961nd

    - by rich
    I have a bit of a weird internet setup. I am connected via a decent WiFi connection (from work) which I pick up using a Buffalo Airstation Wireless-G box. This simply picks up the signal and gives me 4 ethernet ports to connect to. That's all fine and works as it should. I also have a TP LINK TD-W8961nd router which used to be connected to the Airstation via an ethernet cable so I could essentially have WiFi access in my house. To cut a long story short I can't remember how the hell I got it to work and I can't find the notes I scribbled down on how to do it. I'm pretty sure I need to tell the router what ip to pick up the internet connection from and have the local wifi as a seperate network. How the hell I do that I have no idea right now. Can anyone give me some advice on this? If you need more information ask and I will be able to do so. Cheers in advance. edit I'm in work at the moment so I can't give 100% details but I will be able to later on.

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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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  • Linux Tuning for High Traffic JBoss Server with LDAP Binds

    - by Levi Stanley
    I'm configuring a high traffic Linux server (RedHat) and running into a limit I haven't been able to track down. I need to be able to handle sustained 300 requests per second throughput using Nginx and JBoss. The point of this server is to run checks on a user's account when that user signs in. Each request goes through Nginx to JBoss (specifically Torquebox with JBoss A7 with a Sinatra app) and then makes an LDAP request to bind that user and retrieve several attributes. It is during the bind that these errors occur. I'm able to reproduce this going directly to JBoss, so that rules out Nginx at least. I get a variety of error messages, though oddly JBoss stopped writing to the log file recently. It used to report errors about creating native threads. Now I just see "java.net.SocketException: Connection reset" and "org.apache.http.conn.HttpHostConnectException: Connection to http://my.awesome.server:8080 refused" as responses in jmeter. To the best of my knowledge, I have plenty of available file handles, processes, sockets, and ports, yet the issue persists. Unfortunately, I have very little experience tuning servers. I've found a couple useful documents - Ipsysctl tutorial 1.0.4 and Linux Tuning - but those documents are a bit over my head (and just entering the the configuration described in Linux Tuning doesn't fix my issue. Here are the configuration changes I've tried (webproxy is the user that runs Nginx and JBoss): /etc/security/limits.conf webproxy soft nofile 65536 webproxy hard nofile 65536 webproxy soft nproc 65536 webproxy hard nproc 65536 root soft nofile 65536 root hard nofile 65536 root soft nproc 65536 root hard nofile 65536 First attempt /etc/sysctl.conf sysctl net.core.somaxconn = 8192 sysctl net.ipv4.ip_local_port_range = 32768 65535 sysctl net.ipv4.tcp_fin_timeout = 15 sysctl net.ipv4.tcp_keepalive_time = 1800 sysctl net.ipv4.tcp_keepalive_intvl = 35 sysctl net.ipv4.tcp_tw_recycle = 1 sysctl net.ipv4.tcp_tw_reuse = 1 Second attempt /etc/sysctl.conf net.core.rmem_max = 16777216 net.core.wmem_max = 16777216 net.ipv4.tcp_rmem = 4096 87380 16777216 net.ipv4.tcp_wmem = 4096 65536 16777216 net.core.netdev_max_backlog = 30000 net.ipv4.tcp_congestion_control=htcp net.ipv4.tcp_mtu_probing=1 Any ideas what might be happening here? Or better yet, are there some good documentation resources designed for beginners?

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  • BSOD during Cygwin install

    - by Mike Pennington
    I have been running Cygwin (1.7.7) under Windows Vista 64-bit, SP2 for at least a year, and had no problems with my installation at all until today. When I tried to install apt-cyg, I realized that I needed to get the svn client. During the installation of the package dependencies, Vista threw a blue screen of death. I hoped this was a one-time occurrence, so I rebooted into Vista and tried to install svn again; same result. Next I completely removed Cygwin's directory, and all Cygwin registry entries; at this point, I tried reinstalling the base Cygwin system again. During the installation of bash, I got another BSOD: Apologies for the fuzzy pic, I had to shoot with my phone camera. I googled for BSOD and Cygwin and found a post by Dave Korn mentioning that the only reasons Cygwin should cause a BSOD is because of either ioperm.sys or some USB utilities. I have neither on my system. Every time I have tried reinstalling, Vista BSODs; I have not had problems installing any other software packages on this Vista machine. How can I get Cygwin installed again (without reinstalling Vista)?

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  • MacBook Pro (OSX Lion) - shutdown automatically before reaching login screen

    - by mkk
    When I try to lunch my MacBook Pro I can see a progress bar on loading screen. It goes to 1/15 or something like this and then it shut downs - I cannot reach even login screen. It happened to me 2 months ago, I have 'fixed' this by formatting my hard drive and installing OSX (Lion) again. This time I think that situation is a little bit different - I am able to enter single-user mode by pressing cmd + s. I then type /sbin/fsck -yf, I get the error: ** Checking Journaled HFS Plus volume. The volume name is Macintosh HD ** Checking extents overflow file. ** Checking catalog file. Invalid node structure (4, 24704) ** The volume Macintosh HD could not be verified completely. /dev/rdisk0s2 (hfs) EXITED WITH SIGNAL 8 but when I type exit, I can the login screen and I can log in. I tried a lot of things, booting from recovery partition and choosing disk utility to repair the disc, but I get error that it cannot be repaired. I have googled for hours and the only real solution I have found was to buy Disc warrior that might fix the issue. Any other suggestions? Secondary question is what causes this issue? I thought the reason are bad sectors, but Smart Utility haven't found any. I found suggestion that RAM could cause this kind of issue as well, so I downloaded rember and made memory test - all tests passed. Right now I have used my solution of entering single-mode user and then typing exit, however I am not sure how long it will 'work'. Of course I have back-uped what I considered important. Thanks for the help in advance! UPDATE: I guess Smart Utility was not very useful, I mnaged to get input/output error, which I believe is equivalent to bad sector.

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  • MSE updating fails, no warning or error message.

    - by WebDevHobo
    I'm running Windows 7 Ultimate, 32-bit. For the last couple of days, MSE doesn't fails to update, remaining stuck at version 1.75.119 I presume that an error log is created somewhere, or an event log, but I don't know where to find those. It just says "connection failed". Tried it at home, at work and friends places, but never works. Restarted computer a lot of times now, checked for Microsoft Updates in general, but nothing shows up. EDIT: I've opened a bounty for this, because I really don't know what to do anymore. The oldest answer(the long post) here did not work. Besides this problem, I'm having trouble using MSI installers too. I've had to add the SYSTEM group to a lot of maps and give them full control, but shouldn't the SYSTEM already be there? Also, I had to remove the "read-only" attribute from the ProgramData and Users folders, add the SYSTEM group there too and give them full control. Only then will the MSI install work and even then, it says I doesn't have the rights to create a shortcut on the desktop. Don't know what I need to modify and where for that. I'm saying this because I don't know how MSE updates, but if they use MSI files to do that, that might explain things. The SYSTEM group remains added, but every time I take away the read only attribute, click OK and check the settings again, read-only is still active... That's all I know. Screenshot, all those updates were manual:

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  • Windows 8.1 - Won't boot (0xc000000f), bcdedit fails

    - by user3014097
    I’m pretty much stuck at this point. So, backstory: Windows was installed on one of the SSDs currently in my tower. I bought a new SSD to install Windows (8.1 64 bit) on. Windows installation went fine, booted up, and formatted the old SSD from within Windows (this seems to have been a mistake, but I didn’t realize that at the time). Despite formatting the old SSD, whenever I tried to boot I was told that there were 2 Windows installations. Apparently, when I formatted the old drive, not all of the partitions were removed. So, I booted up with the repair utility, went into cmd, and deleted the non-primary partitions on the old SSD (there were 2 – think they were system and recovery, although I’m forgetting now). Reboot – computer won’t boot. Getting the 0xc000000f “The boot selection failed because a required device is inaccessible” error. Troubleshooting so far: Automatic repair doesn’t fix anything (I’ve never had luck with it though) If I go to install a new version of Windows, the drives and partitions are all there. The SSD is functioning, I at least know that. I’ve essentially gone through this guide: https://neosmart.net/wiki/recovering-windows-bootloader/ Unfortunately, I’m not getting anywhere. I’m not even entirely sure how to describe the errors I’m getting, so I’ve just included pictures of every step (I can't actually post them though so I just included a photobucket link). http://s319.photobucket.com/user/DGalt11/library/Computer%20Issue Am I completely screwed here (i.e. reformat and reinstall?)? Thanks

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  • Apache2 - Hosting two sites on the same domain with different ports

    - by user1026361
    I am hosting a staging site (test.mydomain.com) which currently work well on port 80 for two sites (test.mydomain.com and test.FRmydomain.com) I am working on a new backend and I would like to deploy a third site on this server for testing. My hope is that it will live at test.mydomain.com:4204. I've got some experience with apache and quickly added statements: Listen 4204 NameVirtualHost *:4204 and created a new config for my site. What I imagine are the relevant parts of my config: <VirtualHost *:4204 > ServerAdmin [email protected] ServerName test.mydomain.com:4204 However, the site is not publicly available, by name or ip. If i curl localhost:4204 from the server, I get the expected page content At this point, I'm a bit of a loss on how to go forwards. It seems like my config is correct but not available to be served. Am I better off defining a proxy definition so that, for instance: test.mydomain.com/4204 proxies to my localhost server or is there a way to make the site available via the internet? EDIT: I have added an iptable rule after further Googling with the command: iptables -I INPUT -p tcp --dport 4204 -j ACCEPT I can see apache listening on 4204 and the rule is definitely in place but cant reach the site

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  • What are useful .screenrc settings?

    - by gyaresu
    Basically like some of my own that I've posted below. I'm looking for added functionality to the programme 'screen'. At the very least have a look at the last line for a fantastic 'menu bar' at the bottom of a screen session. ## gyaresu's .screenrc 2008-03-25 # http://delicious.com/search?p=screenrc # Don't display the copyright page startup_message off # tab-completion flash in heading bar vbell off # keep scrollback n lines defscrollback 1000 # Doesn't fix scrollback problem on xterm because if you scroll back # all you see is the other terminals history. # termcapinfo xterm|xterms|xs|rxvt ti@:te@ # These will let you use bind -c selectHighs 0 select 10 #these three commands are bind -c selectHighs 1 select 11 #added to the command-class bind -c selectHighs 2 select 12 #selectHighs bind -c selectHighs 3 select 13 bind -c selectHighs 4 select 14 bind -c selectHighs 5 select 15 bind - command -c selectHighs #bind the hyphen to #command-class selectHighs screen -t rtorrent 0 rtorrent #screen -t tunes 1 ncmpc --host=192.168.1.4 --port=6600 #was for connecting to MPD music server. screen -t stuff 1 screen -t irssi 2 irssi screen -t dancing 4 screen -t python 5 python screen -t giantfriend 6 these_are_ssh_to_server_scripts.sh screen -t computerrescue 7 these_are_ssh_to_server_scripts.sh screen -t BMon 8 bmon -p eth0 screen -t htop 9 htop screen -t hellanzb 10 hellanzb screen -t watching 3 #screen -t interactive.fiction 8 #screen -t hellahella 8 paster serve --daemon /home/gyaresu/downloads/hellahella/hella.ini shelltitle "$ |bash" # THIS IS THE PRETTY BIT #change the hardstatus settings to give an window list at the bottom of the ##screen, with the time and date and with the current window highlighted hardstatus alwayslastline #hardstatus string '%{= mK}%-Lw%{= KW}%50>%n%f* %t%{= mK}%+Lw%< %{= kG}%-=%D %d %M %Y %c:%s%{-}' hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B} %d/%m %{W}%c %{g}]'

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