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• Fix for php 5.3.9 libxsl security "bug" fix

  - by Question Mark

  just this morning i updated my debian server to php 5.3.9 , change log (last item in list) has a fix for this bug and now when running any hosted site using XSL transforms i get: Warning: XSLTProcessor::transformToXml(): Can't set libxslt security properties, not doing transformation for security reasons I'm not using any <sax:output> tags in my xslt at all. Does anybody have any information on this, current chatter about it is thin, so i'm i little lost. Using the suggestion about switching ini settings on and off either side of -transformToXml(): ini_set("xsl.security_prefs", XSL_SECPREFS_NONE) or $xsl->setSecurityPreferences(XSL_SECPREFS_NONE) brings me back to the same error Many thanks. Progress: - Upgrading libxml and recompiling libxslt against the new version was a good suggestion, though has not fixed the issue. - Compiling the latest php5.3 snapshot does not fix the issue. Solution: I'm unsure what actually solved this, very sorry for anyone else having the same problem. firstly i upgraded libxml, then applied a few patches, then went into php source for the xsl parser and added some debugging and a few tweaks, after a few compiles getting the configure args right the error went away and wasn't reproducible. I would definitely recommend upgrading libxml as Petr suggested below and then grabbing the latest snapshot from php.net.

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• Outlook, Word, and normal.dot (2003 Edition)

  - by mosiac

  I have one user that for some reason has been having macro issues with her normal.dot file. At first the fix was just remove the file because she isn't actually needing to save anything. This was really a temp fix. We found out that for some reason every time she opened up word it was trying to modify normal.dot but not asking. I set it up to ask so at least we could control the changes going on to normal.dot. There was one file disabled in Word that we enabled because it was a document she never used anymore, making us think that maybe that was the issue. We have automatic antivirus updates and scans so there is little chance of a virus. The issue has stopped as far as just using Word itself. She can open, close, edit, save, etc and never get the dialog. In Outlook however if she clicks reply or forward to an e-mail but decides not to send it, and just close it. She gets the pop up to save changes to normal.dot. This leads me to believe something in outlook about how she is setup to use Word as an e-mail editor is causing the problem. Am I even on the right track here? Short form: Word works fine with normal.dot, as an Outlook mail editor wants to change normal.dot. No idea what to do.

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• Mac Grey/White Screen of Death

  - by cust0s

  The other night I updated my iTunes to the latest version (through Software Update) when I came to turn on my computer I was greeted with the dreaded white screen of death. I use an early 2008 iMac 24". I've tried the basic things, unplugging/turning off accessories, trying to boot from the install disk, reseting pram, etc, etc. Still no luck and no change what-so-ever. All I've been able to ascertain that my keyboard still works (by ejecting). I should point out that I did recently replace my Hard drive with a Western Digital Black 500GB (though the computer is well out of warrenty) and I'm a little concerned that the problem could be the screen. Update (18/05/10): I've been told that I could be getting the White/Grey screen of death because the optical flex cable is damaged (aparently this is common). Apparently the Optical Drive is part of the POST sequence, and an inability to read the drive can result in failure for the system to move on to other bootable volumes. More info here. I will disable the optical drive and see if that works.

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• After update to Windows 8.1 brigthness isn't working (changing)

  - by Bibo

  I just update my Windows 8 to Windows 8.1 by Windows Store and I have some problems. My notebook is Acer Aspire Timelinex 3820TG and I know it's little old for Windows 8 but I install them and works fine (I updated my HDD to SSD). Now I just updated Windows and I have problem with changing brightness on my dedicated graphic card (Ati HD 5650). First I can changing brigthness with fn + keys but It just changing level in OS. No change in real. I tried reinstall drivers, install drivers for my card from Acer with compatibility to Windows 7 and without change. When I switch to integrated card changing brightness works. I think the problem is with drivers but I don't know how to get it working. Thanks for help Bonus question: I have another problem (but this one is not so important). Does anyone knows what msietxghh.exe is doing? Everytime when my system runs (after update) I get message that this program stops working but I just cancel and looks everything works fine.

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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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• Dedicated server automatic backup solution

  - by Luigi

  I have a dedicated Ubuntu web server in a cloud environment, and I am looking for a nice way to do automated backups. I would like to backup some directories with web apps, and all my MySql databases. As for destination: make snapshots every two hours localy, and every six hours to a remote ftp server. Also delete backup archives older than seven days(localy + ftp), and notify on any problems by email. Now to achieve some of this functionality I use cron + shell script, and http://www.mysqldumper.net/, but really that doesn't answer my needs. Mysqldumper doesn't know automaticly about new databases, and shell script does not notify on problems. It's something I have to check out from time to time, and i don't have trust for. I googled a while, and seems like most people solve this stuff with shell scripts. Is this a method you can trust? Are there any web-gui tools, I'm missing? Maybe there is a smarter startegy for doing this? I'm a little bit confused.

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• Using radvd to advertise ipv6 over VPN connection using DD-wrt

  - by Sean Madden

  My ultimate goal is to allow VPN users to have access to my internal IPv6 network from across the intertubes. I've got a linksys WRT54GSv2 running DD-WRTv24SP1 and have configured the little guy as specified here http://www.dd-wrt.com/wiki/index.php/IPv6 and it works wonderfully over the br0 interface (LAN/WLAN bridge). Here's the issue though, when I add an additional interface to the radvd config file on the router (specifically ppp0, for the VPN traffic), radvd refuses to start. The kicker is that on DDWRT, it doesn't give an error message, it just fails outright. Any suggestions on where to proceed from here? /jffs/radvd.conf: interface br0 { AdvSendAdvert on; prefix 0:0:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; }; interface ppp0 { AdvSendAdvert on; prefix 0:0:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; }; The documentation I've found for radvd is slim, but if anyone has a decent idea on how to proceed I'd love to hear it.

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• Samba PDC share slow with LDAP backend

  - by hmart

  The scenario I have a SUSE SLES 11.1 SP1 machine as Samba master PDC with LDAP backend. In one share there are Database files for a Client-Server application. I log XP and Windows 7 machines to the local domain (example.local), the login is a little slow but works. In the client computers have an executable which opens, reads and writes the database files from the server share. The Problem When running Samba with LDAP password backend the client application runs VERY SLOW with a maximum transfer rate of 2500 MBit per second. If disable LDAP the client app speed increases 20x, with transfer rate of 50Mbit/sec and running smoothly. I'm doing test with just two users and two machines, so concurrency, or LDAP size shouldn't be the problem here. The suspect LDAP, Smb.conf [global] section configuration. The Question What can I do? I've googled a lot, but still have no answer. Slow smb.conf WITH LDAP [global] workgroup = zmartsoft.local passdb backend = ldapsam:ldap://127.0.0.1 printing = cups printcap name = cups printcap cache time = 750 cups options = raw map to guest = Bad User logon path = \\%L\profiles\.msprofile logon home = \\%L\%U\.9xprofile logon drive = P: usershare allow guests = Yes add machine script = /usr/sbin/useradd -c Machine -d /var/lib/nobody -s /bin/false %m$ domain logons = Yes domain master = Yes local master = Yes netbios name = server os level = 65 preferred master = Yes security = user wins support = Yes idmap backend = ldap:ldap://127.0.0.1 ldap admin dn = cn=Administrator,dc=zmartsoft,dc=local ldap group suffix = ou=Groups ldap idmap suffix = ou=Idmap ldap machine suffix = ou=Machines ldap passwd sync = Yes ldap ssl = Off ldap suffix = dc=zmartsoft,dc=local ldap user suffix = ou=Users

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• How to Setup Sharepoint Extranet to authenticate against a dmz AD

  - by Satish

  I have a web app which is extended to extranet for our clients to access. We have setup a different AD server and domain for dmz and clients have to be authenticated against that domain. I'm little confused about the setup especially what all web.config files I have to update. Do I have to update the web.config file for Central admin site and the extended web app. According to this blog I need to do update both, but as soon as I make the changes in the web.config for central admin, central admin site stops working. Here is what I added to the central admin web.config file between /Sharepoint and system.web I have this <connectionStrings> <add name="DMZConnectionString" connectionString= "LDAP://dmz.xxx.com:389/OU=Clients,DC=dmz,DC=xxx,DC=com "/> Between system.web and securityPolicy <membership defaultProvider=”DMZADProvider“> <providers> <add name="DMZADProvider" connectionStringName="DMZConnectionString" connectionUsername="DMZ\ldapUser" connectionPassword="Password" enableSearchMethods="true" attributeMapUsername="userPrincipalName" type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /> </providers> </membership> I know the connectionusername and password works becuase I use the same in SSP for importing profiles. Any idea what might be causing the error?

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• Pattern matching gnmap fields with SED

  - by Ovid

  I am testing the regex needed for creating field extraction with Splunk for nmap and think I might be close... Example full line: Host: 10.0.0.1 (host) Ports: 21/open|filtered/tcp//ftp///, 22/open/tcp//ssh//OpenSSH 5.9p1 Debian 5ubuntu1 (protocol 2.0)/, 23/closed/tcp//telnet///, 80/open/tcp//http//Apache httpd 2.2.22 ((Ubuntu))/, 10000/closed/tcp//snet-sensor-mgmt/// OS: Linux 2.6.32 - 3.2 Seq Index: 257 IP ID Seq: All zeros I've used underscore "_" as the delimiter because it makes it a little easier to read. root@host:/# sed -n -e 's_\([0-9]\{1,5\}\/[^/]*\/[^/]*\/\/[^/]*\/\/[^/]*\/.\)_\n\1_pg' filename The same regex with the escape characters removed: root@host:/# sed -n -e 's_\([0-9]\{1,5\}/[^/]*/[^/]*//[^/]*//[^/]*/.\)_\n\1_pg' filename Output: ... ... ... Host: 10.0.0.1 (host) Ports: 21/open|filtered/tcp//ftp///, 22/open/tcp//ssh//OpenSSH 2.0p1 Debian 2ubuntu1 (protocol 2.0)/, 23/closed/tcp//telnet///, 80/open/tcp//http//Apache httpd 5.4.32 ((Ubuntu))/, 10000/closed/tcp//snet-sensor-mgmt/// OS: Linux 9.8.76 - 7.3 Seq Index: 257 IPID Seq: All zeros ... ... ... As you can see, the pattern matching appears to be working - although I am unable to: 1 - match on both the end of line ( comma , and white/tabspace). The last line contains unwanted text (in this case, the OS and TCP timing info) and 2 - remove any of the un-necessary data - i.e. print only the matching pattern. It is actually printing the whole line. If i remove the sed -n flag, the remaining file contents are also printed. I can't seem to locate a way to only print the matched regex. Being fairly new to sed and regex, any help or pointers is greatly appreciated!

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• Windows 7 64-bit installation from alternative media (no DVD/USB Flash drive)

  - by Niels Willems

  Greetings I currently have Windows 7 x86 installed on my computer. I want to install Windows 7 x64 on a different partition on my computer. However there is a little issue, I cannot run the x64 install from Windows 7 x86 which I currently have. I was planning to Install Windows 7 x64 on another partition to then boot up from that partition to install it on the partition I actually want my OS on. Once that is complete I could just format the partition from the Windows 7 x64 that I didn't need anymore. But the installer will not run from the x86 version of Windows 7 even though I do not want to upgrade that Windows directly. The reason I'm doing this in such a weird way is that my optical drive is broken and I'm really not into buying a new one since I would use it like once every year or so. I also don't have a USB Flash Drive which is big enough to hold the installation files. As far as I'm aware I cannot use an external hard drive such as this one, which I do have. Are there any alternatives in which I can install Windows 7 x64 or am I forced into buying a USB Flash Drive or new optical drive? Thank you in advance for your replies. Edit: This picture shows my current partitions on my laptop. I want to get Windows 7 x64 on the C partition but have to install it first on the F partition to then boot up the F partition windows to format C and install x64 on that one. My external drive is J. Edit 2: No alternative computer which has a DVD drive, install files are located on an iso from MA3D. To install my 32 bit version I mounted the ISO in Daemon Tools to replace my Windows Vista but since I cannot run 64 bit into my 32 bit OS this doesn't work.

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• HAProxy "503 Service Unavailable" for webserver running on a KVM virtual machine

  - by Menda

  I'm setting up a server with KVM (IP 192.168.0.100) and I have created inside of it one virtual machine using network bridging at 192.168.0.194. This virtual machine has an nginx instance running, which I can access from the server or from any computer computer in the internal network just typing in the browser http://192.168.0.194. However, I try configure HAProxy in the same server that hosts KVM and looking the status page of HAProxy it always shows the virtual machine as "DOWN". If I try from the server http://localhost, it should be the same than if I go to http://192.168.0.194. My goal is to build a reverse proxy, but I tried this little example and won't work. What am I doing bad? This is my config file in the server: # /etc/haproxy/haproxy.cfg global maxconn 4096 user haproxy group haproxy daemon defaults log global mode http option httplog option dontlognull retries 3 option redispatch maxconn 2000 contimeout 5000 clitimeout 50000 srvtimeout 50000 listen ServerStatus *:8081 mode http stats enable stats auth haproxy:haproxy listen Server *:80 mode http balance roundrobin cookie JSESSIONID prefix option httpclose option forwardfor option httpchk HEAD /check.txt HTTP/1.0 server mv1 192.168.0.194:80 cookie A check Thanks.

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• How to recover a Linksys WRT54GL router that has a blinking green power LED and no response from the

  - by Peter Mounce

  I was flashing the router with the Tomato firmware, but something went wrong; I'm not sure what. Now, the router responds to ping at 192.168.1.1 (my Mac's on a static IP 192.168.1.21), but the web-interface doesn't come up. I have read that this situation is recoverable in a [couple of places][2], but I haven't been having much success and so I wondered whether anyone could help. From my Mac (OSX 10.5) I have tried to tftp a new vanilla-Linksys firmware to the router and reboot; according to the trace, this sends it but the router behaves no differently after a reboot. I've read that if boot_wait is turned on, I'll have an easier time, but I haven't been able to find any instructions that tell me how I can tell whether I did this or not (I don't think I have, but I might have, when I tinkered the first time months ago - the router has worked since then, though). I have found a couple of references to [something called JTAG][3], which seems like some kind of [homebrew diagnostic cable thing][4], but that's a little beyond my ken. Happy to try it, with muppet-level instructions, though (I do software, not hardware!). So, I'm at a bit of a loss, really, and wondered whether anyone could provide me with the route (ha. ha.) out of this mess? Hm, I can't post all the links I wanted to until I have some more reputation.

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• Managing ip6tables (or an alternative firewall) remotely

  - by Matthew Iselin

  I'm working with IPv6 and have run into an issue configuring ip6tables on our main router in order to control what can come into the network. A default DROP rule in the FORWARD section has worked well (obviously leaving ESTABLISHED,RELATED as ACCEPT) to keep internal clients' open ports from being accessed. However, running an ip6tables command for every little change is unwieldy. Whilst we are able to continue creating rules manually, I'm wondering if there's some sort of management interface we could use to create the rules quickly and easily. We're looking to be able to save time working on our firewall as well as providing a simple method for modifying rules for those who will eventually replace us. I know webmin (heavily locked down on our network, naturally) has support for modifying iptables rules, but seemingly no support for ip6tables. Something similar would be fantastic. Alternatively, suggestions for a firewall solution apart from iptables/ip6tables which can be managed remotely wouldn't be out of order. A web interface for management is certainly preferable, even if it is just a wrapper with shiny buttons over the raw config files.

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• Starting airplay from command line, to send output of 'Say' Mac OS X command to airplay

  - by Fabien

  Ok, Sunday question :) Trying to make a little joke... 1) if you open a terminal, and type "say -a ?", Mac OS X will give you the list of devices it can send spoken words to. On mine, it says: 39 AirPlay 47 Built-in Output 2) I have a Denon airplay-ready received in my living room and I'm trying to send spoken words to my wife downstairs... I can send music without any problem using iTunes so, from an infrastructure standpoint, I'm all set. 3) I want my computer to say (out of the blue) "Honey, why don't you bring me a cup of coffee". I can make it say that locally on my internal laptop speakers, but I can't seem to send that to device 39 successfully. I am suspecting that there are a few other things that need to be setup before it works, i.e. setting up airplay output to "denon", maybe opening a channel and reserving it. I don't know. Has anyone played with this? Is there a way to setup airplay from the command line? That would be awesome :)

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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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• Migrateing to Windows Server 2008 R2 Domain Controllers - a few Questions/Issues

  - by Chris

  Ok so here's our setup: We have 2 Windows2k3 Domain Controllers. I am trying to replace them with Windows 2008 R2. The Win2k3 servers are DC01 and DC02. The Windows2k8 servers are DC1 and DC2. I prepared the Windows Server 2003 Forest Schema for a Domain Controller That Runs Windows Server 2008 or Windows Server 2008 R2. Then with both of the new servers up as member servers I dcpromo'd DC1 using the advanced option and added it successfully to my exisiting domain. Roles are GC, DNS and Active Directory Domain Services.I transferred The PDC, RID pool manager and Infrastructure master FSMO to the new DC.(DC1) The Schema master and Domain naming master are still on the old DC (DC01). The first issue I'm encountering is when i dcpromo the second DC (DC2) and select "Replicate data over the network from and existing domain controller" I select the new DC to replicate from (DC1) I get the following error: "Failed to identify the requested replica partner (dc1.xxx.org) as a valid domain controller with a machine account for (DC2$). This is likely due to either the machine account not being replicated to this domain controller because of replication latency or the domain controller not advertising the Active Directory Domain Services. Please consider retrying the operation with \dc01.xxx.org as the replica partner. "The server is unwilling to process the request." Is this because the Schema master and Domain naming master roles are still on the old DC (DC01)? And if so, if I transfer Schema master and Domain naming master roles to DC1 what is the risk or breaking my AD? I'm a little paranoid because this process HAS to be transparent. ANY down time or interruption will result in me getting a verbal ass kicking from my I.T. Director. Both of the new servers DNS point the the old DNS servers (DC01 and DC02) not themselves by the way. Thanks in Advance -Chris

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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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• Codec Problems with trying to edit videos with VirtualDub

  - by Roy Rico

  So, I'm a little frustrated. According to this post and various other internet sources, virtualdub is supposed to allow users to quickly split and join video files. I am using windows 7 64 Bit and the latest version of VirtualDub (64-bit). I have tried to edit various movie files, and each attempt at editing various files I have done has not worked for me. AVI file A.avi won't load, saying that it can't located the Decompressor for the "FMP4" format. I have tried this solution and this one, and neither of them work. I have tried setting the VFW Decompressor for 'Other MPEG4' setting to XVID or LIBAVCODEC. There is no change in virtual dub AVI file C.avi will load in Virtual Dub, but any attempt to split it gives me an error that I don't have XVID codecs installed. I've attempted to install the proper codecs (Shark's Windows 7 Codecs, CCCP) with no change. AVI file C.avi will load, and it will split, but won't split using the "Direct Stream Copy" claiming the compression algorithm is incompatible. I tried "Fast Recompress" option and it created a 27GB file out of what was supposed to be about a 300-400MB file. Can someone please give me some insight into what I'm messing up?

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• installing lots of perl modules

  - by Colin Pickard

  Hi, I've been landed with the job of documenting how to install a very complicated application onto a clean server. Part of the application requires a lot of perl scripts, each of which seem to require lots of different perl modules. I don't know much about perl, and I only know one way to install the required modules. This means my documentation now looks this: Type each of these commands and accept all the defaults: sudo perl -MCPAN -e 'install JSON' sudo perl -MCPAN -e 'install Date::Simple' sudo perl -MCPAN -e 'install Log::Log4perl' sudo perl -MCPAN -e 'install Email::Simple' (.... continues for 2 more pages... ) Is there any way I can do all this one line like I can with aptitude i.e. Type the following command and go get a coffee: sudo aptitude install openssh-server libapache2-mod-perl2 build-essential ... Thank you (on behalf of the long suffering people who will be reading my document) EDIT: The best way to do this is to use the packaged versions. For the modules which were not packaged for Ubuntu 10.10 I ended up with a little perl script which I found here ) #!/usr/bin/perl -w use CPANPLUS; use strict; CPANPLUS::Backend->new( conf => { prereqs => 1 } )->install( modules => [ qw( Date::Simple File::Slurp LWP::Simple MIME::Base64 MIME::Parser MIME::QuotedPrint ) ] ); This means I can put a nice one liner in my document: sudo perl installmodules.pl

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• Configure PEAR on CentOS 6 and PLESK

  - by RCNeil

  I'm hoping to get a little assistance with configuring PEAR to work properly. I have a PHP file that's calling PEAR's mail and mail-mime files, and I believe I am missing some steps because I keep getting the very common Warning: include_once(Mail.php): failed to open stream: No such file or directory Warning: include_once(Mail_Mime/mime.php): failed to open stream: No such file or directory It is installed - Installed packages, channel pear.php.net: ========================================= Package Version State Archive_Tar 1.3.7 stable Console_Getopt 1.2.3 stable Mail 1.2.0 stable Mail_Mime 1.8.3 stable PEAR 1.9.4 stable Structures_Graph 1.0.4 stable XML_RPC 1.5.4 stable XML_Util 1.2.1 stable And according to this TUT, I need to configure it appropriately in each vhost. I have already gone through and adjusted the php.ini file, but when the TUT speaks of the php_admin_value open_basedir "/var/www/vhosts/example.com/httpdocs:/tmp:/usr/share/pear:/local/PEAR" in my /var/www/vhosts/example.com/conf/httpd.include file I kind of get lost. There are several httpd.include files in that directory, all preceded with very long numerical strings. All I want to do is have an email attachment in my form.... Any insight or similar experiences shared would be greatly appreciated.

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• NTDS Replication Warning (Event ID 2089)

  - by Chris_K

  I have a simple little network with 3 AD servers in 2 sites. Site A has Win2k3 SP2 and Win2k SP4 servers, site B has a single Win2k3 SP2 server. All have been in place for at least 3 years now. Just last week I started getting Event 2089 "not backed up" warnings (example below) on both of the win2k3 servers. I understand what the message means, no need to send me links to the technet article explaining it. I'll improve my backups. What I'm more curious about is why did I just start getting this message now? Why haven't I been getting it for the past 3 years?!? Perhaps this is related: I recently decommissioned a few other sites and AD controllers (there used to be 3 more sites, each with their own controller). Don't worry, I did proper DCpromo exercises and made sure we didn't lose anything. But would shutting those down possibly be related to why I get this error now? This won't keep me awake at night but I am curious as to what changed... Event Type: Warning Event Source: NTDS Replication Event Category: Backup Event ID: 2089 Date: 3/28/2010 Time: 9:25:27 AM User: NT AUTHORITY\ANONYMOUS LOGON Computer: RedactedName Description: This directory partition has not been backed up since at least the following number of days. Directory partition: DC=MyDomain,DC=com 'Backup latency interval' (days): 30 It is recommended that you take a backup as often as possible to recover from accidental loss of data. However if you haven't taken a backup since at least the 'backup latency interval' number of days, this message will be logged every day until a backup is taken. You can take a backup of any replica that holds this partition. By default the 'Backup latency interval' is set to half the 'Tombstone Lifetime Interval'. If you want to change the default 'Backup latency interval', you could do so by adding the following registry key. 'Backup latency interval' (days) registry key: System\CurrentControlSet\Services\NTDS\Parameters\Backup Latency Threshold (days) For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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• How do i set up a fully featured small business network?

  - by JoshReedSchramm

  This has the possibility to be a very large question but I recently acquired a few rack mount servers and the hardware necessary to run them. Unfortunately I'm a programmer with very little understanding of how to set up a good working network so I'm hoping someone on here might be able to help. What I want to do is run a domain with a series of subdomains which would all be externally accessible. The setup would live inside my home and my internet connection is your run of the mill cable model (which means a dynamic IP) I want to be able to set up a couple site, specifically: www.mycompany.com (mycompany.com with no subdomain would redirect to this) build.mycompany.com (for my continuous integration server) ruby.mycompany.com (for ruby projects) win.mycompany.com (for windows project) etc. Additionally this is still my home network so our personal machines need to be able to get on via wifi with at least the same security we have now through an out of the box router from best buy. I'm thinking i need a DNS server, DHCP server and one of those would run either no-ip or dyndns to accommodate the dynamic ip. I don't necessarily need mail but it might be helpful to have some sort of mail server i could use for testing, it doesn't need to get out to the greater internet though. So how do i set up this kinda of network? tl;dr Need to know how to set up your standard office style network in my home off my normal consumer level cable modem connection.

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• Hosting websites in our Workplace custom-built datacentre

  - by i.h4d35

  I'm faced with unique learning opportunity at work at the moment. Due to the slowdown (amongst other reasons), the powers that be at my office have decided to abandon our shared hosting providers (both shared and dedicated hosting) and have decided to host the websites at our office's datacentre. We're running 7 websites, wherein the average unique hits per day at the moment is about 900. We have 2 servers set aside for this - one is a DELL POWER EDGE 1850 (Intel Xeon 3 GHZ*2, 4GB RAM, 73GB HDD and the other is an HP DL 380 G3 (Intel Xeon 2.8 GHz, 6 GB RAM, 73 GB HDD) a) I would like to know the pros and cons of going ahead with this project.All the sites will be hosted on a single IP. In all probability, the OS is going to be CentOS. b) Do you think I should consider Virtualization into this equation (KVM/Xen)? I was thinking in terms of separate instances of the DB server and the frontend though I do not know if this is the best way to go. c) Should I be trying to use cloud stacks like OpenStack and try to make it look like websites hosted on some sort of Public Cloud? (something that I checked out here). Here is something else I came across, which looks similar to what needs to be done at our office. About the websites - Of the 7 websites, 4 are basic static websites which basically gives a whole lot of information about a few local institutions. The remaining 3 are local product-based websites developed in PHP wherein end user can view products and order them online. I am trying to take this as a learning experience wherein I can learn to build something from scratch and save the company a little something in the process. The migration needs to be completed by Easter so I guess it gives us some time (or am I being overly optimistic??). I am confused here and would appreciate all the help I can get. Thanks in advance.

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• How can I debug solutions in Visual Studio 2010 from a network share?

  - by alastairs

  I've recently got a new Mac laptop and am running VS2010 in a Parallels virtual machine. It's mostly working out well for me, but I'm having some problems with debugging specific project types, related to the fact that the projects are being accessed via a network share. Test projects don't run because the test runner can't load the tests' DLL. Web projects fail to run in the Visual Studio mini web server, throwing the following exception: 'An error occurred loading a configuration file: Failed to start monitoring changes to path\to\web.config'. I've spent the evening trawling the web with little luck on this. After reading these two posts, I tried out the usual CasPol changes, but then found this post from one of the early VS2010 betas indicating that CasPol is no longer needed/supported in .NET 4.0 and VS2010. The network share is accessible via both a mapped drive and the UNC path. The virtual machine runs its applications under the administrator account, which appears to have all the necessary permissions on the network share to create, read, write and delete files and folders. I say "appears to have" as I can't view the Security Properties of the appropriate folder via Explorer: the Security tab just isn't present. Has anyone managed to successfully load and debug web and test projects from a network share in VS2010?

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