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• Windows Clients: Windows or Linux Domain Controller?

  - by Ramon Marco Navarro

  I'm planning to set up a domain controller for our small computer laboratory. I'm a little confused as to what operating system to use for our domain controller. What's in the lab: The lab has 25 units running a mix of Windows 7 and Windows XP. The domain controller will only have 2GB of RAM running a C2D E7200. (Is this enough?) What we want: The Domain Controller will also be running a git server. The Domain Controller will also be used as a general development machine (mostly Java, PHP). A way to centralize the updates for the windows clients, so that they won't have to download the same patches from the remote site. The machines would just query them from the local domain controller and get the updates from there. Our head recommended that I virtualize a Windows Server 2008 system under a Linux host and use the former as a domain controller and the latter for development or the other way around. A comparison of the advantages and disadvantages of using a Linux distribution or Windows Server 2008 in this situation would also be appreciated. As you may have noticed by now, I'm kinda new to setting up a domain so I hope you guys will be able to help me. Thank you.

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• Crazy problem with Nginx, PHP5-FPM on Ubuntu

  - by Emmanuel

  I've been trying to get a domain from shared hosting to my new VPS. Everything was working just 100% fine, and then all of a sudden rewrites stopped working, pictures that should work started returning 404s. I've got no idea why, but for some reason on my site: http://www.onlythebible.com/ only the home page works, all the other pages depend on rewrites which were working perfectly fine at one stage, but all of a sudden stopped working. Some of the pictures like this url: http://www.onlythebible.com/bgsPreview/Matthew-8.10.jpg which doesn't use a rewrite throws a 404? I almost certain it was nothing to do with the nginx configuration. I've got suspicions that it could be something to do with php5-fpm? The funny thing is, all of a sudden it started working again. And then an hour or so later it broke again and has now gone back to only displaying the home-page and all of the links (and some of the pictures) are just showing 404s. Does anyone have an idea of what the problem might be? I'm pretty new to the whole Linux VPS thing, but this just seems very strange. *edit Here's a line from the error log which might shed some light on the problem: 2011/02/06 03:04:59 [error] 2873#0: *220 open() "/usr/local/nginx/html/bgsPreview/Matthew-8.10.jpg" failed (2: No such file or directory), client: 114.77.115.211, server: onlythebible.com, request: "GET /bgsPreview/Matthew-8.10.jpg HTTP/1.1", host: "www.onlythebible.com", referrer: "http://www.onlythebible.com/" I wonder why it's trying to find the file in /usr/local/nginx/html instead of the proper root which is /var/www/ etc... Oh, and for some reason it's just started working again... for how long I don't know. Another thing that was a bit weird, is that the pages on my website are pulled from a database. But when I edited the database, the pages didn't change... It's almost like they've been cached or something.

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• AWStats consumes too much resource, how to disable temporarily

  - by trante

  For some days AWStats takes %10-%20 of my CPU, takes 400-550 MB RAM and works for hours. Maybe my site's traffic became larger so process time takes more time than before or some bugs in program makes this. Anyway I want to disable AWStats temporarily. Maybe I would want to activate it in future. I found that answer. But it gives commands to remove AWStats. I only want to disable it temporarily. My system is Centos 6.3, Plesk 11.5.30 Update #19. I tried to disable cron jobs. I run this # killall awstats.pl I opened # vi /etc/cron.daily/awstats file and I changed it to this: #!/bin/sh #/usr/share/awstats/awstats_updateall.pl now -awstatsprog=/var/www/cgi-bin/awstats/awstats.pl -configdir=/etc/awstats >/dev/null 2>&1 exit 0 After some time I still see that awstats is running. What should I do more to not to awstats run again ? But without removing my files. After changing " /etc/cron.daily/awstats" file awstats doesn't start in daytime. But every night in 03:15 awstats starts again. Because of Plesk auto updates are working at that time, I changed from Plesk. Don't auto update automatically. But it seems like last night at 03:15 awstats started again. Is there any way to stop awstats temporarily except this solution ? Because this solution deletes awstats configs permanently and I don't know how to revert it back in future ? Turn off all AWStats for Plesk 11+ domains #!/bin/bash for i in /var/www/vhosts/*; do echo "Turning off and deleting Stats for" echo `basename $i` /usr/local/psa/admin/bin/webstatmng --unset-configs --stat-prog=awstats --domain-name=`basename $i` /usr/local/psa/admin/bin/webstatmng --clean --stat-prog=awstats --domain-name=`basename $i` done

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• Windows Server 2008 Stops Responding (Hyper-V Role Enabled)

  - by blackf0rk

  The machine is a brand new Dell Precision m6500, Core i5, 8GB RAM. Windows Server 2008 R2 (fully patched) with Hyper-V Role Enabled. Virtualization options in the BIOS are ON, SpeedStep is OFF, couldn't find C1E option in the BIOS to turn it off (I also got the impression that SpeedStep is C1E, but the Intel Product site lists them as separate "features." shrug) The server stops responding without any apparent reason. I've tried testing in multiple scenarios, all of which result in a crash at seemingly random times: With the Server sitting idle, no apps running. Server sitting idle with a Virtual Machine running. Using a BurnInTest application There's no blue screen. It doesn't restart. The screen just sits there. The keyboard backlight still responds and comes on with input, but nothing on the screen changes. There are no errors in the error log. I have to hold down the power button to turn it off. Doing memory tests on bootup results in no errors with the memory. I have a second identical system and the same thing happens there too. I've dual-booted into Windows 7 Profession x64 on this system with no problems. Further testing has shown that the issue is definitely related to Windows Server 2008 R2 and Hyper-V as it appears the crashing does not happen when the services are not running. I've installed all hotfixes relating to this issue (that I could find): 975530, 979444, 979491, 976427 System is still crashing without response.

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• PHP upgrade to 5.3 from 5.2, sessions no longer get stored

  - by Damo

  background link: http://stackoverflow.com/questions/7014945/php-upgrade-5-2-to-5-3-session-issue I have upgraded PHP on my 2008 std server from PHP 5.2 to PHP 5.3. Following the upgrade, sessions no longer work correctly. I have copied over the settings from my PHP.ini files which are applicable and configure new settings in line with the server or PHP's recommendations. PHP executes fine correctly, however session data does not get saved. I have session data stored in c:\temp. For each session created, I can see the session file in this folder. However no information gets written into the session file. Permissions wise, IUSR and EVERYONE has write access to this folder. If I downgrade to PHP 5.2, sessions are saved correctly and the site functions correctly. I have followed advise to ensure my code is optimised. closing session files correctly and forcing a session reset. I'm stumped. session Session Support enabled Registered save handlers files user sqlite Registered serializer handlers php php_binary wddx DirectiveLocal ValueMaster Value session.auto_startOffOff session.bug_compat_42OnOn session.bug_compat_warnOnOn session.cache_expire180180 session.cache_limiternocachenocache session.cookie_domainno valueno value session.cookie_httponlyOffOff session.cookie_lifetime00 session.cookie_path// session.cookie_secureOffOff session.entropy_fileno valueno value session.entropy_length00 session.gc_divisor100100 session.gc_maxlifetime14401440 session.gc_probability11 session.hash_bits_per_character44 session.hash_function00 session.namePHPSESSID53PHPSESSID53 session.referer_checkno valueno value session.save_handlerfilesfiles session.save_path/temp/temp session.serialize_handlerphpphp session.use_cookiesOnOn session.use_only_cookiesOnOn session.use_trans_sid00

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• Powerpoint 2010 crash on quickstyle menu

  - by Marcus Lindblom

  Windows 7 64-bit, recent install, added Office 2010. When I create some boxes and open the quick-style menu, it crashes (or stops responding, in windowese, and then it sends an error report). I've run the "Repair" from the installer, but it didn't help. There's nothing in Windows Update I've Googled and searched on Microsoft's site, but n Any other ideas? (It's not related to this ppt crash question as that concerns PPT 2007. Error in event log: Faulting application name: POWERPNT.EXE, version: 14.0.4754.1000, time stamp: 0x4b967cf2 Faulting module name: KERNELBASE.dll, version: 6.1.7600.16385, time stamp: 0x4a5bdfe0 Exception code: 0xe0000003 Fault offset: 0x000000000000aa7d Faulting process id: 0xee8 Faulting application start time: 0x01cb9dc710fd76d8 Faulting application path: C:\Program Files\Microsoft Office\Office14\POWERPNT.EXE Faulting module path: C:\Windows\system32\KERNELBASE.dll Report Id: 58766562-09ba-11e0-90d1-00215a139192 And: Fault bucket , type 0 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: POWERPNT.EXE P2: 14.0.4754.1000 P3: 4b967cf2 P4: KERNELBASE.dll P5: 6.1.7600.16385 P6: 4a5bdfe0 P7: e0000003 P8: 000000000000aa7d P9: P10: Attached files: C:\Users\marcusl\AppData\Local\Temp\CVR86DD.tmp.cvr C:\Users\marcusl\AppData\Local\Temp\WERC765.tmp.WERInternalMetadata.xml These files may be available here: C:\Users\marcusl\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_POWERPNT.EXE_d45f313d77f7e52cc8682b2b64cc3898127c2c_1106e3ac Analysis symbol: Rechecking for solution: 0 Report Id: 58766562-09ba-11e0-90d1-00215a139192 Report Status: 1

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• Why can't I reconnect to my Philips SHB9000 bluetooth headset?

  - by Thomas Eyde

  This is so annoying. When I connected my Philips SHB9000 bluetooth to my Windows 7 (64 bit) for the very first time, it worked well. I had to manually change the default playback device, but otherwise it worked. Then, when I start up my computer from standby, it's nearly random when I can reconnect or not. My last option is to remove the bluetooth device and reconnect it. But now, even that doesn't work. The sad thing is, this used to work better on Windows 7 beta. Windows Update has a new driver which fails to install. Searching for this driver yields nothing. I thought all vendors had an official site for their drivers? Well, Philips seems to have none. If there is no answer to this problem, my advice is to NOT buy this headset. It's good looking, the sound is nice, but what need do we have from that if we can't use the bloody device?

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• Trying to run an ASP.NET MVC application using Mono on Apache with FastCGI

  - by Arda Xi

  I have a hosting account with DreamHost and I would like to use the same account to run ASP.NET applications. I have an application deployed in a subdomain, a .htaccess with a handler like this: # Define the FastCGI Mono launcher as an Apache handler and let # it manage this web-application (its files and subdirectories) SetHandler monoWrapper Action monoWrapper /home/arienh4/<domain>/cgi-bin/mono.fcgi virtual My mono.fcgi is set up as such: #!/bin/sh #umask 0077 exec >>/home/arienh4/tmp/mono-fcgi.log exec 2>>/home/arienh4/tmp/mono-fcgi.err echo $(date +"[%F %T]") Starting fastcgi-mono-server2 cd / chmod 0700 /home/arienh4/tmp/mono-fcgi.sock echo $$>/home/arienh4/tmp/mono-fcgi.pid # stdin is the socket handle export PATH="/home/arienh4/mono/bin:$PATH" export LD_LIBRARY_PATH="/home/arienh4/mono/lib:$LD_LIBRARY_PATH" export TMP="/home/arienh4/tmp" export MONO_SHARED_DIR="/home/arienh4/tmp" exec /home/arienh4/mono/bin/mono /home/arienh4/mono/lib/mono/2.0/fastcgi-mono-server2.exe \ /logfile=/home/arienh4/logs/fastcgi-mono-web.log /loglevels=All \ /applications=/:/home/arienh4/<domain> I took this from the Mono site for CGI. I'm not sure if I'm doing it correctly though. This code is resulting in this error: Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecursion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace. I have no idea what's causing this. As far as I can see, Mono isn't even hit (no log files are created).

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• Uploadify Flash Uploader and Random UPLOAD_ERR_CANT_WRITE errors

  - by dcneiner

  I am using Uploadify to provide progress bar support for file uploads on a PHP app I built. It works perfectly for a few uploads,then every few uploads it fails and the data from the $_FILES array reveals an UPLOAD_ERR_CANT_WRITE error. (Error code 7). I ran Paros proxy between my browser and the server to see the difference between a passing and failing request. The only difference was the content separator for the multi-part post which changes every time. I would conclude this was fully a server error, except with a plain jane form, I cannot reproduce the error. I am not a server guy, so please let me know what information is needed to troubleshoot this and I will update the question with those details. I did place these lines in the .htaccess, but to know avail. The site is hosted on Rackspace Cloudsites so my configuration options are limited: <IfModule mod_security.c> SecFilterEngine Off SecFilterScanPOST Off </IfModule> php_value upload_max_filesize 10M php_value post_max_size 10M php_value max_execution_time 200 php_value max_input_time 200

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• Getting 401 when using client certificate with IIS 7.5

  - by Jacob

  I'm trying to configure a web site hosted under IIS 7.5 so that requests to a specific location require client certificate authentication. With my current setup, I still get a "401 - Unauthorized: Access is denied due to invalid credentials" when accessing the location with my client cert. Here's the web.config fragment that sets things up: <location path="MyWebService.asmx"> <system.webServer> <security> <access sslFlags="Ssl, SslNegotiateCert"/> <authentication> <windowsAuthentication enabled="false"/> <anonymousAuthentication enabled="false"/> <digestAuthentication enabled="false"/> <basicAuthentication enabled="false"/> <iisClientCertificateMappingAuthentication enabled="true" oneToOneCertificateMappingsEnabled="true"> <oneToOneMappings> <add enabled="true" certificate="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"/> </oneToOneMappings> </iisClientCertificateMappingAuthentication> </authentication> </security> </system.webServer> </location> The client certificate I'm using in my web browser matches what I've placed in the web.config. What am I doing wrong here?

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• Route specific HTTP requests through pfSense OpenVPN

  - by DennisQ

  Hi, to start, I have very little knowledge on routes, iptables, etc. That said, here's what I'm trying to accomplish and where I think I'm stumped: Problem: We have an external website which we recently firewalled so it only accepts traffic from our office IP addresses. This works well at the office, but doesn't work for remote access through VPN as we don't route all traffic through OpenVPN. I would rather avoid forcing everyone to route all traffic through just to accommodate this one site. Environment: Main router box is running pfSense. Em0 is internal IP, Em1 is external. Internal net is 10.23.x and VPN is 10.0.8.0/24 I believe what I need to do is add a route to the VPN server config to send all traffic to that IP over the VPN tunnel. I think that part's working, but I don't get a response back, so I'm assuming that I need some NAT config on the VPN server to route the response back over the tunnel? What I've found so far is to try the following, but since this is a pfSense box on FreeBSD, I can't run iptables, etc. Make sure ip forwarding is enabled: echo 1 /proc/sys/net/ipv4/ip_forward Setup NAT back out: iptables -t nat -A POSTROUTING -s 10.0.8.0/24 -o em0 -j MASQUERADE Am I on the right path, and if so how do I accomplish this through pfSense UI or FreeBSD CLI? Thanks!

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• pros and cons with server management gui tools to manage linux web servers

  - by ajsie

  i have stumbled upon these GUI tools that could help you manage your linux server through a web interface. ebox, webmin, ispconfig, zivios, ispcp, plesk, cpanel etc. i wonder what the pros and cons are with these solutions. a lot of people is saying that they are not as good as using pure command line (ssh) to manage your server. but i think thats yet another "linux are for advanced users" talk. i agree that a lot of things may only be done with the command line by editing directly in the configuration files. but i don't really want to do that every time and for everything. especially basic configurations these could manage. its like not having phpmyadmin for managing mysql. it would be a pain in the ass right? so if one wants to throw up a web server serving a php site oneself developed and wants all the usual stuff up and running (mysql, phpmyadmin, svn, webdav etc) is these tools the right way to go? and for more advanced features, one just use the terminal like old days. is this a smart way of managing a linux server? and which one would you choose? have you used any of these and could share your thoughts about them?

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• IIS 7.5 Basic authorization issue

  - by Alsin

  When I log on using correct user name\password (I always copy-paste them) I get 401.1 error. User name and password are correct (user is created on server locally, not a domain one). I can run program as this user (runas /noprofile /user:tmp notepad.exe). Basic authorization's default domain is a server name, realm is empty. I've saved FailedReqLogFile. AUTH_BASIC_LOGON_FAILED shows ErrorCode="Logon failure: unknown user name or bad password. (0x8007052e)" and MODULE_SET_RESPONSE_ERROR_STATUS shows ModuleName="BasicAuthenticationModule", Notification="AUTHENTICATE_REQUEST", HttpStatus="401", HttpReason="Unauthorized", HttpSubStatus="1", ErrorCode="Logon failure: unknown user name or bad password. (0x8007052e)", ConfigExceptionInfo="" And one more thing - if I use my domain login\password it woks! Basic Authentications is only enabled authentication in application... Could you please suggest me how I can troubleshoot and fix this issue? Maybe somebody hit it before... Best regards, Alex UPDATE: I get 401.1 when I trying to access site from local host. I can actually access files from remote host.

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• unable to boot into safe mode even after fixing registry

  - by Anirudh Goel

  I have a windows XP sp3 system which is affected by Sality Worm. The usual symptoms of taskmanager and regedit disabled were there, and i saw that i was unable to boot my system in safe mode. Then i found that the sality worm removes the SAFEBOOT keys from registry hive. So i downloaded this reg file from http://support.kaspersky.com/faq/?qid=208279889 and was successfully able to update the reg file to my system. But still when i hit F8 during boot and select safe mode option, it still restarts after loading mup.sys file. i don't know what more to do to get to safe mode. The virus is still there in dormant stage, i can verify that because taskmanager and regedit is not disabled after i restarted in normal mode and i could browse any site and it did not kill the browser process. I also ran the salitykiller from same link above and it healed all infected exe files. This is related to another question which i have asked here,but i don't see how a common solution can solve both of those problems. Any help folks? Thanks

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• CentOS 5.5 ext4 conversion problem - ext4 partition is recognized as ext3

  - by FractalizeR

  Hello. I had 5.4 machine. Upgraded to 5.5 today via yum upgrade. All went fine. Rebooted. Wanted to convert root partition to ext4 (I have three partitions: /boot, / and swap). All of them on software RAID 1 (root is /dev/md2). I did the following for converting yum install e4fsprogs tune2fs -O extents,uninit_bg,dir_index /dev/md2 nano /etc/fstab # I indicated here that my /dev/md2 is of ext4 uname -a mkinitrd -f /boot/initrd-2.6.18-194.3.1.el5.img 2.6.18-194.3.1.el5 Rebooted. I expected fsck to start automatically as said on some site. But it did not. Threw some error (don't remember exactly which). Ok, I booted linux rescue and executed fsck: fsck -t ext4 -fy /dev/md2 Partition went fine. But still when I boot main system, it says in log: "ext3-fs:" then something about not being able to mount ext3 partition due to unknown extended attributed (200). I booted linux rescue again. It loads fine and correctly determines all my machine partitions both ext3 (boot) and ext4 (/) under /mnt/sysimage just fine. I retried mkinitrd thing again watching it's output and ensured ext4 module is included into the system. I also edited menu.lst grub file to include rootfstype=ext4 kernel parameter. Bad luck. I still have message from ext3-fs about not being able to mount filesystem because of attributes and kernel panic immediately after. I checked /etc/fstab - it's fine and saying that root is of ext4. What did I do wrong? This machine is empty so I can just reformat it with 5.5 and recreate partitions to be originally ext4. But... I just want to know what did I do wrong.

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• Is it possible to play multiple audio streams from one "jukebox" to multiple Airport Express devices?

  - by Alex Reynolds

  I have set up a Mac mini as a jukebox that streams audio to an Airport Express in another room in the house, using the AirPlay/AirTunes feature in iTunes. I control this with the iOS Remote app, and this works great. At the present time, it looks like the Mac mini's copy of iTunes gets taken over by the Remote app, while streaming. If I set up a second Airport Express in room B, is there a way to set it up (as well as the jukebox) so that it can receive and play its own unique music stream ("stream B"), separate from what's going on at the Mac mini, or in room A, which is playing stream A? To accomplish this, I would be happy to buy a copy of Rogue Amoeba's AirFoil if it will allow sending multiple, separate audio streams from one computer to the multiple wireless bridges, while using the Remote app (or a Rogue Amoeba equivalent for iOS). However, it is unclear to me from their site documentation, whether that is possible or not. I'd prefer to give the points to an answer that solves this problem. If you don't know if it can be done, or do not think it can be done, please allow others to answer. I appreciate your help. Thanks for your advice.

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• How do you host multiple public facing websites on a VPS?

  - by pedroarvy

  We host about 30 websites using typical shared hosting plans using ASP.NET and SQL 2000/2005/2008. I am now wondering about hosting all of these websites using our own virtual private server. This is clearly cheaper but comes with a lot of questions I need answers to: Is the risk of having to keep this VPS server up and running worth it? Until now, the host provider has managed the server and we have not had to worry about crashes, downtime, software patches etc. We are not server administrators, we are programmers, so this is not really our expertise. On the other hand, it may not be hard to learn. When we make a website live, we log in to a domain management control panel and change the primary and secondary name servers to point to our shared web host: Eg ns1.sharedwebhost.com and ns2.sharedwebhost.com These name servers are going to have to change when we have a VPS. I don’t understand anything about how to set this up. Is there some useful info anyone could direct me to? Or is there software we need to install to make the primary and secondary name servers work on our VPS? The control panel we have for shared hosting comes with DNS management like this: http://www.yart.com.au/stackoverflow/dns.png What software would I need to install to create this for each site we host at a VPS? The control panel we have for shared hosting also comes with a POP email interface that allows email addresses to be added easily by our customers. Is this something that can be easily set up at a VPS so clients can manage their own email addresses? Is there software we need to install to make this work?

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• SAN Replication for Fault tolerance using EVA4400

  - by Sergei

  Hi Everyone, I hope that someone would point me in the correct direction - it looks like I have no enough konwledge in the subject and timeframes are too tight for me to explore different scenarios in depth.. We have two datacenters few miles away from each other connected by 100 Mbps link.Each datacenter will have 5 BL490 blades with ESX Standard hosting about 50 VMs. Eac hsite has HP eva4400 SAN with SAN replication set up.VC is going to be in the first datacenter and both datacenter are networked. SAN Replication is block level so it seems like I cannot just replicate changes but all writes would have to be replicated.This should not be a problem as link can sustain about 1.8 TB a dayand data can be buffered. I am having trouble however visioning how recovery would work in this case.We don't need instant recovery , I would say 4 hours recovery time is accepted so fancy automatic SRM like DR scenario would not be easily accepted due to the financial reasons, however any comments are welcomed. Current idea is following: replicate LUNs from primary site to the secondary.When disaster strikes, IT personnel switches on ESX hosts on the remote side and connects replicated LUNS to them, then registers VMs and changes IP address. I understand that this seems like horribly manual process and I almost sure I have missed some obvious pitfalls here. Could someone let me know what direction should I go?An articles regarding the subject? This is a brand new setup and we would rather build up basic recovery process and scale it later.I just need to have a right direction to allow for such scalability. Thank you very much in advance!

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• Open Source PDF reader for windows as an alternative to Adobe reader

  - by Tom Feiner

  With the latest javascript vulnerabilities in Adobe reader and bloat it has aquired over the years, I've been thinking of moving the network I'm in charge of to a different product for PDF reading on Windows. The ideal PDF reader should be something that is: Small in size (Adobe reader is more than 200MB these days after installation). As secure by default as possible (For example, javascript disabled by default). Nice looking and easy to use interface. Not bloated with features (I just want to read PDFs, that's it). Does not install any toolbars/unwanted add ons/spyware. Does not display any ads while viewing PDFs. Preferably Open Source. (this pretty much ensures no ads). Full Unicode support. Idealy , something like evince from gnome, will be the best option, but unfortunately that's not available on Windows. Foxit is an option, as it is small, and has a nice interface. But it still has javascript enabled by default which might lead to vulnerabilities - and it installs a toolbar , and displays ads while reading PDFs which is distracting. There is a site dedicated to Open Source PDF readers, pdfreaders.org, however, the Windows pdf readers each have their problems, mostly the interface is not as convenient (as evince, adobe or foxit). Here's a list of all PDF software from WikiPedia. There's a "Viewers" section for each OS. What Windows PDF reader would you recommend ?

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• MultiPath configuration on RHEL5 and Clariion CX-300

  - by Kamil Z

  I have problem with discovering my FC-connected CX-300 storage. Frankly speaking I'm complete novice in FibreChannel, so step by step explanation would be appreciated. My configuration consist of two IBM HS20 blades with RHEL5.4 on board and 2x Qlogic ISP2422-based 4Gb Fibre Channel HBAs on each blade. As a FC switch there are two Brocades built in BladeCenter Chassis, and finally there is EMC Clariion CX-300. CX300, and Brocade switches should be configured properly, because they were working fine with previous configuration, which main defference was RHEL3 instead RHEL5.4 Below there is my output from several usefull commands: #lspci | grep Fibre 06:01.0 FibreChannle: Qlogic Corp. ISP2422-based 4Gb Fibre Channel to PCI-X HBA (rev 02) 06:01.1 FibreChannle: Qlogic Corp. ISP2422-based 4Gb Fibre Channel to PCI-X HBA (rev 02) #lsmod | grep qla qla2xxx 1084741 0 scsi_transport_fc 37577 1 qla2xxx scsi_mod 141717 10 scsi_dh,qla2xxx,sg,scsi_transport_fc,usb_storage,libata,mptspi,mptscsih,scsi_transport_spi,sd_mod #cat /proc/scsi/scsi Attached Devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: LSILOGIC Model: 1030 IM IM Rev: 1000 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 01 Id: 00 Lun: 00 Vendor: IBM-ESXS Model: ST936701LC FN Rev: B418 Type: Direct-Access ANSI SCSI revision: 04 Host: scsi0 Channel: 01 Id: 00 Lun: 00 Vendor: IBM-ESXS Model: ST936701LC FN Rev: B418 Type: Direct-Access ANSI SCSI revision: 04 I'd followed instructions from this site (editing /etc/multipath.conf), but i failed after multipath -ll - the output was empty. Do you have any suggestions about discovering FC Connected LUNs in such configuration?

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• Wildcard DNS, VirtualHosts on apache2, 404 for unused subdomains

  - by niel

  On an Apache2 server linked to by a DNS that includes a wildcard entry, e.g. *.example.com, subdomains that are not defined as ServerNames in any VirtualHosts point to the first defined VirtualHost, in my example this is 000-default. My Question:How would one get unused subdomains (subdomains not used in any virtualhosts) to return a 404 error to the requesting client? This must preferably show in server logs as a 404 as well. I have looked into the following possibilities: Redirecting any invalid subdomain to the home page or some other page.The problem with this method is, when someone links to your site as this.company.sucks.example.com, the client will see your home page or in my case 000-default if I do not redirect. Thanks, to Mike for pointing this out. (regex for "suck", etc definately not an option) Let the default VirtualHost point to a non-existent directory.Apache does not like this one bit, warning with every reload. Beyond the warning, everything seems fine. This seems like a hack. Does this seem like a problem (however small) to anyone? Point the default VirtualHost to a folder where the index.php is forbidden, thus creating a 403 status code.This is confusing and makes things like the following overly complicated: Say, for example, you use a subdomain per user (a big reason to use wildcard DNS, apparently), and users have the ability to view each others profiles at username.example.com. This solution is confusing to the user and completely not what I want to do. My ideal sollution will let the user know there is nothing to view at the url he entered. Preferably with a 404 and an error log entry for the address entered (not some other address). Any help would be greatly appreciated!

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• Nginx + uWSGI on a fresh Ubuntu install - bind error port 80

  - by knuckfubuck

  I know this is a common problem usually having to do with apache or another service already running on port 80 and I have done a lot of searching and running netstat and still have not figured out why I am getting this error. I rebuilt my slice, did a fresh install of Ubuntu 10.04 and setup nginx + uwsgi. It worked and I was able to see my Django site. I then installed Postgres8.4 and the rest of the stack needed for Geodjango from this link. After that was done I tried to restart nginx and I get this error: sudo /etc/init.d/nginx start Starting nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok configuration file /usr/local/nginx/conf/nginx.conf test is successful [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: still could not bind() I have nginx set to listen 80. Here's an output from netstat -l --numeric-ports | grep 80: tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:8000 0.0.0.0:* LISTEN Output from sudo lsof +M -i4: nginx 2330 root 8u IPv4 3195 0t0 TCP *:www (LISTEN) nginx 2331 www-data 8u IPv4 3195 0t0 TCP *:www (LISTEN) uwsgi 2335 s 4u IPv4 3259 0t0 TCP localhost:8000 (LISTEN) uwsgi 2352 s 4u IPv4 3259 0t0 TCP localhost:8000 (LISTEN) uwsgi 2353 s 4u IPv4 3259 0t0 TCP localhost:8000 (LISTEN) uwsgi 2354 s 4u IPv4 3259 0t0 TCP localhost:8000 (LISTEN) uwsgi 2355 s 4u IPv4 3259 0t0 TCP localhost:8000 (LISTEN) Anyone have any other ideas how I can figure out what is blocking port 80? edit Paste of my /etc/init.d/nginx script here: http://dpaste.com/hold/400937/

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• Recent ImageMagick on CentOS 6.3

  - by organicveggie

  I'm having a terrible time trying to get a recent version of ImageMagick installed on a CentOS 6.3 x86_64 server. First, I downloaded the RPM from the ImageMagick site and tried to install it. That failed due to missing dependencies: error: Failed dependencies: libHalf.so.4()(64bit) is needed by ImageMagick-6.8.0-4.x86_64 libIex.so.4()(64bit) is needed by ImageMagick-6.8.0-4.x86_64 libIlmImf.so.4()(64bit) is needed by ImageMagick-6.8.0-4.x86_64 libImath.so.4()(64bit) is needed by ImageMagick-6.8.0-4.x86_64 libltdl.so.3()(64bit) is needed by ImageMagick-6.8.0-4.x86_64 I have libtool-ltdl installed, but that includes libltdl.so.7, not libltdl.so.4. I have a similar problem with libHalf, libIex, libIlmImf and libImath. Typically, you can install OpenEXR to get those dependencies. Unfortunately, CentOS 6.3 includes OpenEXR 1.6.1, which includes ilmbase-devel 1.0.1. And that release of ilmbase-devel includes newer versions of those dependencies: libHalf.so.6 libIex.so.6 libIlmImf.so.6 libImath.so.6 I next tried following the instructions for installing ImageMagick from source. No luck there either. I get a build error: RPM build errors: File not found by glob: /home/sean/rpmbuild/BUILDROOT/ImageMagick-6.8.0-4.x86_64/usr/lib64/ImageMagick-6.8.0/modules-Q16/coders/djvu.* I even re-ran configure to explicitly exclude djvu and I still get the same error. At this point, I'm pulling my hair out. What's the easiest way to get a relatively recent version of ImageMagick ( 6.7) installed on CentOS 6.3? Does someone offer RPMs with dependencies somewhere?

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• eMachine W5243 won't POST; fans run but optical drive will not open.

  - by NicciAdonai

  Symptoms are what is described in the title. The machine reacts to the power button being hit by spinning up the two fans: CPU and PSU. The hard drive (SATA) spins up as well. No other reaction. This one symptom is particularly weird, though: the optical drive will not open with the IDE cable attached, but if I unplug it from the mobo it will. I can turn the PC on with it attached, won't open; then unplug IDE while it is still on, WILL open; then plug IDE back in with the PC STILL ON, WON'T open. I have disconnected every peripheral unnecessary to POST. These include: mouse/keyboard, PCI modem, the IDE optical drive (power and data), and the SATA HDD (power and data). Video is onboard. The only two things connected are DB15 video and power cable. There were 2 512 MB DDR2 sticks of RAM in it. I have tried running it with just one of them, then switched the other in. Currently seated is a completely different 1 GB stick that I keep around for troubleshooting purposes, and I have tried it in both slots. I have replaced the CMOS battery with a used one I had lying around, and which worked in the computer it came out of. I have tested the PSU with a tester to confirm it was good, then tried connecting another PSU just in case--same symptoms. I have even tried a suggestion I found elsewhere on this site wherein one disconnects power from the PSU and then presses the PC's power button twice, thereby "resetting" the PSU. Currently I am trying yet another suggestion: turn it on and wait an inordinate amount of time for POST. Any help would be appreciated.

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• Error on installing SVN extension with pecl

  - by thedp

  Hello, I'm trying to install the following PHP extension: http://php.net/manual/en/book.svn.php But when I do pecl install svn-beta I receive an error message that it can't locate the svn_client.h file. I searched the net but couldn't find any useful reference to this error. Thank you for your help. Installation result: root@myUbuntu:/home/thedp# pecl install svn-beta downloading svn-0.5.1.tgz ... Starting to download svn-0.5.1.tgz (23,563 bytes) .....done: 23,563 bytes 4 source files, building running: phpize Configuring for: PHP Api Version: 20041225 Zend Module Api No: 20060613 Zend Extension Api No: 220060519 1. Please provide the prefix of Subversion installation : autodetect 1-1, 'all', 'abort', or Enter to continue: 1. Please provide the prefix of the APR installation used with Subversion : autodetect 1-1, 'all', 'abort', or Enter to continue: building in /var/tmp/pear-build-root/svn-0.5.1 running: /tmp/pear/temp/svn/configure --with-svn --with-svn-apr checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for a sed that does not truncate output... /bin/sed checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking whether gcc and cc understand -c and -o together... yes checking for system library directory... lib checking if compiler supports -R... no checking if compiler supports -Wl,-rpath,... yes checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking target system type... i686-pc-linux-gnu checking for PHP prefix... /usr checking for PHP includes... -I/usr/include/php5 -I/usr/include/php5/main -I/usr/include/php5/TSRM -I/usr/include/php5/Zend -I/usr/include/php5/ext -I/usr/include/php5/ext/date/lib -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 checking for PHP extension directory... /usr/lib/php5/20060613+lfs checking for PHP installed headers prefix... /usr/include/php5 checking for re2c... no configure: WARNING: You will need re2c 0.12.0 or later if you want to regenerate PHP parsers. checking for gawk... no checking for nawk... nawk checking if nawk is broken... no checking for svn support... yes, shared checking for specifying the location of apr for svn... yes, shared checking for svn includes... configure: error: failed to find svn_client.h ERROR: `/tmp/pear/temp/svn/configure --with-svn --with-svn-apr' failed

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