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• LDAP Authentication for multiple AD Domains

  - by TrevJen

  I have 3 full trust domains (2 child and one root). I need to use LDAP to allow authntication for domain users. The trick is that I need the application to use an AD server for the child domain BUT proxy the LDAP query and authentication for the root domain. I see that it maty be possible with AD LDS and some trusts and synching, but it looks pretty hairy and overly complicated. The short of it is: 3 domains (Parent, ChildA, ChildB) My 3rd party app will need to use ChildA domain servers to authenticate either: a. a user in the parent domain or b. a user in the ChildB domain I already have full trusts between all domains, and regular NTLM authentication works fine (unless you are trying to authenticate with LDAP)

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• Script / command to drop all connections / locks in Sybase SQL Anywhere 9?

  - by nxzr

  I've recently become responsible for administering an application which is essentially a front end to a Sybase SQL Anywhere 9 database, including the database itself. I'd like to use unload table to efficiently export the data for backup and, in the case of a few tables, ETL to get it into a reporting database / small scale data warehouse. The problem is that the client application crashes and leaves dead connections and shared locks on a pretty regular basis, which seems to prevent unload table from getting the (brief) exclusive locks it needs. Currently I use Sybase Central to verify that these connections are in fact zombies and drop them myself at the end of the day / week. Is there a command or script to drop all connections? Being able to drop everything at once after verifying that they're unneeded would be quite helpful but I haven't found a way to do it.

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• X-FI optical output not being recognized.

  - by Luciano

  Hello there! I have an issue and I don't know what to do! I have a SoundBlaster X-FI Xtreme Gamer, which has a spdif mini-optical output. I have it connected to a home theater, via a toslink cable and an adapter to fit in the mini plug. It used to work perfectly, but now it doesn't anymore. There is light travelling through the cable, but the HT doesn't pick up the signal. The sound card of the motherboard also has an optical output (regular, not mini) and it works ok, so the cable and the HT are fine, I think. What else should I try? Thanks, Luciano. PS: I only enabled the onboard card for testing, but usually it's disabled to avoid any kind of conflicts. PPS: I'm using Windows 7 64bit with latest drivers of everything, but like I said. It used to work.

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• Bash preexecute

  - by Alex_Bender

  I'm trying to write bash command wrapper, which will be patch bash current command on the fly. But i'm faced with the problem. As i'm not a good Shell user, i can't write right expression of variable assignment in string. See bellow: I'm set trap to preexecute, through this: alex@bender:~$ trap "caller >/dev/null || xxx \"\${BASH_COMMAND}"\" DEBUG; I want change variable BASH_COMMAND, do something like BASH_COMMAND=xxx ${BASH_COMMAND} but i don't know, how i need escaping variables in this string NOTE: xxx -- my custom function, which must return some value, if in end of command situated word teststr function xxx(){ # find by grep, if teststr in the end `echo "$1" | grep "teststr$" >/dev/null`; # if true ==> do if [ "$?" == "0" ]; then # cut last 6 chars (len('teststr')==6) var=`echo "$1" | sed 's/......$//'`; echo "$var"; fi } How can i do this stuff?: alex@bender:~$ trap "caller >/dev/null || ${BASH_COMMAND}=`xxx $BASH_COMMAND`" DEBUG;

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• Rebuilding /etc/rc?.d/ links

  - by timday

  A regular filesystem check on a Debian Lenny system triggered an fsck, and that nuked a handful of links in the /etc/rc?.d hierarchy (unfortunately I didn't keep a list). The system seems to boot and run normally, but I'm worried its storing up trouble for the future. Is there an easy (fairly automatic) way of rebuilding this piece of the system ? As I understand it, the links are generally manipulated by package postinst scripts using update-rc.d (and I haven't made any changes from the installed defaults). Without any better ideas, my plan is one of: Diff a listing with another similar system to identify which packages need their links repairing. Wait until the system is upgraded to Squeeze (hopefully not too long :^) and assume the mass package upgrade will restore all the missing links.

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• wireless access point

  - by Warren Bullock III

  I'm hoping to get some suggestions for possible Wireless Access point/router models which will allow us to have two separate networks. We run an internal network on 10.x.x.x IP range where we have shares and other network resources for which we would like to have our regular users access. However, we would also like to offer a separate wireless network for guests which ideally would be on 192.168.x.x and these users would not be able to see any of the resources sitting on the 10.x.x.x network. Anyone have any recommendations on single devices that might be able to get the job done? I was looking at the Linksys E4200 and it seems to support what I'm looking to do... any others? Thanks in advance for any suggestions.

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• MacVim + tmux or: The Copy Paste Riddle

  - by Konzepz

  Now this is weird. Copied a chunk of a text from somewhere into clipboard. Ran mvim from a tmux buffer. Opened a file in MacVim. Pasted the text. MacVim results with the error: E353: Nothing to register + Nothing gets pasted. The plot thickens: I try to copy this error -- paste fails. I go over the same steps, this time running MacVim from a regular Terminal window (without tmux) -- Everything is in its right place. Whaa?

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• Replace Whole Site by FTP

  - by Sam Machin

  Hi There, I've got a set of tools which periodically (about once a day) generate a complete set of static HTML pages for a site with associated folder structure etc. I then need to put those file onto the production server, my problem is that the server runs IIS(6 I think) and I only have regular FTP access. I need a way to automate the process of publishing the new site and it needs to a total replacement of the files each time its published, eg delete the whole folder & contents then put the new ones up. My source server is a ubuntu machine and I've got total control at that end, I have tried using CurlFTpFS but it seems to be too slow for what I'm trying to do and locks up. Rgds Sam

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• Why can't I create a public folder?

  - by Bryan

  I have a need to create a new Exchange public folder, as a sub folder to a folder that I'm already the owner of. When ever I try (from Outlook 2007) to create a new public folder, I'm told I don't have persmission. Outlook doesn't let me view the permissions of this folder, however it lets me view permissions of other folders that I'm owner of. Both ESM and PFDAVAdmin both report that my regular (i.e. non domain admin account) is the owner of the folder. Our set up is as follows: Exchange 2003 running on Server 2003, Windows 2008 R2 domain. Windows XP Desktop, Outlook 2007. Everything fully patched. What am I doing wrong?

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• Vista: Improving troubleshoot approach skills

  - by Chau

  I'm not a Windows SuperUser, but neither just the regular user. I don't mind browsing the Registry, using Process Explorer, reading the Event logs, (un)installing new drivers and so on, but all this only makes me solve some problems. I tend though to run into problems where these tools aren't enough. Which tools should I learn about to improve my troubleshooting skills in Windows? Currently I'm using Windows Vista x64 (not moved to 7 yet), facing audio/video stuttering problems and I think this is a good place to improve my troubleshooting skills. I know this post is similar to this question, but my machine is only hanging occationally. Specs: Intel Q6600 Stock speed ASUS P5QD Turbo 4GB ram NVIDIA GTS-8800 640 HDA Xplosion 7.1 Seasonic 430W Windows Vista Business x64

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• Self-requests appearing on an Apache SSL site

  - by Sam Minnée

  I have an SSL site running on Apache that seems to be recieving regular self-requests of some kind. Is this something that Apache is doing? What is the reason? (ip address) - - [23/Apr/2010:14:21:00 +1200] -:443 "GET /" 400 637 "-" "-" (-) 157 (ip address) - - [23/Apr/2010:14:21:03 +1200] -:443 "GET /" 400 637 "-" "-" (-) 160 (ip address) - - [23/Apr/2010:14:21:14 +1200] -:443 "GET /" 400 637 "-" "-" (-) 147 (ip address) - - [23/Apr/2010:14:21:15 +1200] -:443 "GET /" 400 637 "-" "-" (-) 128 (ip address) - - [23/Apr/2010:14:21:16 +1200] -:443 "GET /" 400 637 "-" "-" (-) 167 (ip address) - - [23/Apr/2010:14:21:17 +1200] -:443 "GET /" 400 637 "-" "-" (-) 141 (ip address) - - [23/Apr/2010:14:21:18 +1200] -:443 "GET /" 400 637 "-" "-" (-) 166 (ip address) - - [23/Apr/2010:14:21:20 +1200] -:443 "GET /" 400 637 "-" "-" (-) 168 (ip address) - - [23/Apr/2010:14:21:21 +1200] -:443 "GET /" 400 637 "-" "-" (-) 160 (ip address) - - [23/Apr/2010:14:21:31 +1200] -:443 "GET /" 400 637 "-" "-" (-) 177 (ip address) - - [23/Apr/2010:14:21:32 +1200] -:443 "GET /" 400 637 "-" "-" (-) 103 (ip address) - - [23/Apr/2010:14:21:38 +1200] -:443 "GET /" 400 637 "-" "-" (-) 157 (ip address) - - [23/Apr/2010:14:21:39 +1200] -:443 "GET /" 400 637 "-" "-" (-) 193 (ip address) - - [23/Apr/2010:14:21:40 +1200] -:443 "GET /" 400 637 "-" "-" (-) 168

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• What files should be excluded from a complete Windows backup?

  - by tro

  I'm starting to use CrashPlan to backup my Win 7 PC. I've got it writing to my external HD (for quick local restores) and to CrashPlan Central (for offsite storage). I'd like to backup my entire C:\ drive (the only partition) in a way that: Preserves all of my installed software and configuration, but Avoids backing up log files and other ephemeral / temporary files that are regenerated during normal operation of the OS. Which files and/or directories should I be excluding from backups? I'd like to make this a community wiki, so that we could all contribute towards a definitive list. Here's a list of regular expressions identifying the directories and files that CrashPlan excludes on Windows by default listed at http://support.crashplan.com/doku.php/articles/admin_excludes: .*/(?:42|\d{8,})/(?:cp|~).* (?i).*/CrashPlan.*/(?:cache|log|conf|manifest|upgrade)/.* .*\.part .*/iPhoto Library/iPod Photo Cache/.* .*\.cprestoretmp.* *\.rbf :/Config\\.Msi.* .*/Google/Chrome/.*cache.* .*/Mozilla/Firefox/.*cache.* .*\$RECYCLE\.BIN/.* .*/System Volume Information/.* .*/RECYCLER/.* .*/I386.* .*/pagefile.sys .*/MSOCache.* .*UsrClass\.dat\.LOG .*UsrClass\.dat .*/Temporary Internet Files/.* (?i).*/ntuser.dat.* .*/Local Settings/Temp.* .*/AppData/Local/Temp.* .*/AppData/Temp.* .*/Windows/Temp.* (?i).*/Microsoft.*/Windows/.*\.log .*/Microsoft.*/Windows/Cookies.* .*/Microsoft.*/RecoveryStore.* (?i).:/Config\\.Msi.* (?i).*\\.rbf .*/Windows/Installer.* Other excludes: .*\.(class|obj) .*/hiberfil.sys (?i).*\.tmp (?i).*/temp/ (?i).*/tmp/ .*Thumbs\.db .*/Local Settings/History/ .*/NetHood/ .*/PrintHood/ .*/Cookies/ .*/Recent/ .*/SendTo/

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• ITIL Incident Classification - Fault vs SR vs Technical Incident

  - by ExceptionLimeCat

  I am new to ITIL and Incident classifcations and I am trying learn more about them and understand how they could integrate in our organization. I have found it difficult to find a clear definition of Fault vs. Service Request vs. Technical incidents. I am basing my definitions on this article: http://www.itsmsolutions.com/newsletters/DITYvol6iss27.htm As I understand it: Service Request - Service provided by IT as part of regular administration of a system. Fault - An unexpected error in a system. Technical Incident - An interruption or potential interruption in IT service due to an expected incident caused by some IT policy.

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• remap Caps Lock on OSX 10.6.8

  - by Jakob Eriksson

  I have for a long time used KeyRemap4MacBook in Snow Leopard. I have always stayed on top of OS update. Today, suddenly my CapsLock no longer was remapped to Control, but it was just a regular CapsLock. So I went into the settings for KeyRemap4MacBook and noticed that CapsLock could no longer be set. Instead it gave a link to PCKeyboardHack. So I downloaded that and tried to use it. But when I try to select the Control key to remap to, it just becomes some kind erratic delete key or something. Definitely not a Control key.

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• Foward slash in kibana 3 query

  - by G Mawr

  I'm trying to add a query that will match a request that ends with a slash, like this one: n.n.n.n - - [16/Oct/2013:16:40:41 +0100] "GET / HTTP/1.1" 200 25058 "-" "Mozilla/5.0 (iPad; CPU OS 7_0_2 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A501 Safari/9537.53" I'm using the Lucene query type. If my query is set to *, I see the event. If I set it to request:"css", I see CSS requests, as expected. However, all of the following yield no results: request:"/" request:"\/" request:"\\/" I tried a Lucene regular expression, with no luck: request:/\// I note that someone else is getting what appears to be a similar issue, although that's on Kibana 2: https://github.com/rashidkpc/Kibana/issues/401 How can I query for requests that end with a / character?

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• how to rotate one squid user among multiple IPs based on number of requests processed by each IP

  - by Arvind

  I want to set up a Squid ACL in the following manner-- For example, my Squid Proxy Server has 10 IP addresses- now I have a user 'demouser'. I want that for the very first request sent to 'demouser' this user uses IP address #1, for the second request it uses IP address #2, for the 3rd request of the day it uses IP address #3 and so on till it uses up all IPs. One more level of control I would like is that once the user has used up all available IP addresses once per address, then it does not allow the proxy request to go through. How do I set up such a configuration on Squid Proxy server ACL? Even a document or how to would be very helpful. The official wiki talks about one 'weird' case- choosing an IP address based on time of day the request was made to the proxy server. The other cases are all regular use cases which are not even remotely near my requirement as specified above.

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• 3½" PATA Western Digital Caviar SE (250MB) makes steady ticking sound when idle

  - by intuited

  I've started to notice a ticking sound emanating from my WD2500JB. It is not alarmingly loud. The sound seems to occur only when the drive has been idle for some time, and will cease upon (some?) disk activity. The sound has a regular, steady cadence of somewhere between about 4 and 6 ticks per second. I'm not entirely certain that it just started making these sounds, since I previously had the drive — mounted in a USB enclosure — stored out of earshot, and only recently moved it to where I can hear it. The SMART attributes for the drive do not indicate any problems. I did have some errors to clean up recently (since I started noticing the sounds). The errors occurred on an ext3 filesystem. The drive had been powered down while mounted a few times prior to that fsck. Is this cause for alarm? Should I scrap the drive on principle?

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• Read video from dvd in RAW filesystem

  - by kpinhack

  Hallo, i've got some dvds that were recorded on a dvd recorder. I can not read those dvds on windows PCs (i tried multiple PCs). The properties of the discs say that the filesystem of the disc is RAW and i think that is the reason why windows does not read the disc. If that is true, what can i do to read the dvds ? Or what else could be the problem ? EDIT: The windows PCs i tried play back regular DVDs without any problem, and the "RAW" dvds recorded with the dvd recorder will not play on a standalone dvd player. Thank you!

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• Pinning Google Chrome's "Application Shortcuts" to the Windows 7 Taskbar

  - by Humphrey

  I love the idea behind Google Chromes Application Shortcuts, but they don't integrate well for me into the Windows 7 taskbar. Ideally, I'd like to be able to have my most used webpages (gmail, calendar, etc) as separate windows, pinned to the Windows 7 taskbar. I've created some application shortcuts on my desktop, but I've come across the following problems. If I open my gmail application shortcut, and then later on open a normal chrome window the new window will also use the gmail icon in the taskbar, even if that window has nothing to do with gmail. (What's weirder, is that this new window then uses a high-res gmail icon, but my actually application shortcut window uses a low-res icon. If I pin the application shortcut to the taskbar, then the icon turns into the regular chrome icon. Any idea's how to fix these issues? Or are they bugs in google chrome? Chrome version: 4.0.249.89

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• Prevent Server Restart after Windows Updates

  - by eidylon

  we have a number of servers in our office, as a small hosting company, and these servers are critical to business, ... web server, mail server, db server, etc. On a semi-regular basis, when the machines get automatic updates, they just automagically reboot themselves in the middle of the night. A number of them have software which must be running on the console session (bad practice, I know, but out of my control). When they reboot themselves, these programs obviously shut down, leaving customers upset and services interrupted. How do you set a Windows Server 2003 R2 machine to NEVER automagically reboot itself after updates? And perhaps, if possible, to instead email someone so that they are aware it needs a pending reboot and can schedule it for the best time? Thanks in advance!

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• solr reverse proxy Apache2

  - by Steven

  I am trying to setup Apache2 as Reverse Proxy for solr. Apache and Solr are on the same machine. Apache is serving other stuff as regular web server,too. solsearch config file in /etc/apache2/config.d/ # Proxy specific settings ProxyRequests Off ProxyPreserveHost Off <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> ProxyPass /solrsearch http://localhost:8983/solr/collection1/browse ProxyPassReverse /solrsearch http://localhost:8983/solr/collection1/browse Now trying [http://localhost/solsearch] gives me the first page of [http://localhost:8983/solr/collection1/browse], but with broken layout (like css missing). Result: error.log of apache: File does not exist: /var/www/solr, referer: [http://192.168.1.150/solrsearch]

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• VERR_NOT_SUPPORTED when trying to create a windows 8 image in Virtualbox

  - by Bart Burg

  I'm trying to create a Virtualbox image of windows 8 consumer preview. I tried this tutorial: http://www.addictivetips.com/windows-tips/how-to-install-windows-8-on-virtualbox/ I did exactly what was said in that tutorial. At the step "Now navigate to the Windows 8 developer build ISO file that you downloaded and select it." I get the error "Could not get the storage format. (VERR_NOT_SUPPORTED)". I also get this if I use the regular wizard. Host OS: windows 7 Virtualbox version: 4.1.16 Both windows 8 64 bit and 32 bit tested.

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• How to safely backup MySQL using VSS-based backup solutions

  - by Rhyven

  One of my clients is running MySQL on a Windows Server 2008 system. Their regular backups are performed using StorageCraft's ShadowCopy, which uses the VSS service to perform backups of open files. Some investigation indicates that MySQL is not entirely VSS-aware, and that the tables need to be locked prior to the shadow operation, then unlocked afterwards. There is a post at http://forum.storagecraft.com/Community/forums/p/548/2702.aspx which indicates the steps that need to be performed, however the user had some difficulty in performing them and no follow up solution was ever posted. Specifically, they succeeded in writing a batch file to lock the database, however once the batch file returns from MySQL it drops the connection and thus relinquishes the lock. I'm looking for a method that I can send the MySQL command FLUSH TABLES WITH READ LOCK, then perform the backup, then send UNLOCK TABLES when the backup is complete. Alternatively, I can exclude the MySQL data storage folder from backup, and schedule a mysqldump backup into a folder that will then be backed up by VSS. Can I have some recommendations please?

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• RAID10 without write-back cache = horrible write performance?

  - by Harry Mexican

  I have just provisioned a dedicated server on singlehop. I'm running it through some tests to know what to expect performance-wise. On the I/O side (with 4 1TB disks in RAID 10) I get: write-cache disabled 200 MB/s read throughput 30 MB/s write throughput I thought that was really low compared to my desktop HD which gets 150-150 or so. So I had a chat with them and they suggested enabling the write cache. New results: write-cache enabled 280 MB/s read 260 MB/s write which is great and all but means I'd have to add a BBU for an additional monthly cost. Is it normal for the write throughput to be 1/4 of a regular drive on RAID10, if you don't have write cache? It almost feels like its intentionally bad to force you to pony up for the BBU. I'd be happy with normal non-raid performance of 150/150.

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• How to dump remote database without mysqldump?

  - by deceze

  I want to dump the database on my remotely hosted site in regular intervals using a shell script. Unfortunately the server is locked down pretty tight, has no mysqldump installed, binary files can't be executed by normal users/in home directories (so I can't "install" it myself) and the database lives on a separate server, so I can't grab the files directly. The only thing I can do is log into the webserver via SSH and establish a connection to the database server using the mysql command line client. How can I dump the contents to a file a la mysqldump in SQL format? Bonus: If possible, how can I dump the contents directly to my end of the SSH connection?

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