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  • How to know which disk has failed on a Mirrored Raid? marked as DR0 [migrated]

    - by Saariko
    Our 2ndry DC, which is on a W2K8R2 Mirrored software raid has lost it's sync, and disk management displays the failed redundancy error How do I know which of the disks has failed? (beside to try and replace one - and see if it loads and syncs) On the device manager, under disks I see both disks, one of them has an icon of: Disable, while the other doesn't Event log displays an event id 7 - bad block on Hard disk DR0 The thing is that looking in device manager, both disks are located in '0' location, which is bizzare

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  • Recreate/Regenerate vhost config in cpanel for one account

    - by Gabriel
    So my boss as allways was messing with cpanel on our production server (we only have production servers, which is bad enough)... so now all of the accounts is pointing to the default apache page in /usr/local/apache/htdocs instead of /home/useracc/public_html. Is there a way how to tell cpanel/WHM to recreate the vhost configuration of the account from scratch? the account has a database and emails associated with them so before i do anything i don't want to mess anything up with cpanel.

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  • Is it possible/advisable to run VMware Server ESX/ESXi on a laptop?

    - by cletus
    The idea of having a small footprint hypervisor as the primary OS on a laptop or desktop where every "real" OS is a guest appeals to me. Now I realize this software is more typically used on blades and the other servers but can it be done on a normal PC? Should it be? What requirements are there (eg hardware/BIOS/chipset)? Is there a performance impact for doing so? Is it a good/bad idea?

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  • Other roles on Hyper-V Server

    - by Puneet Arora
    Microsoft offers the standalone Hyper-V server for free. I'm wondering if I can install roles other than the Hyper-V role on this? I know installing other roles alongside Hyper-V is a bad practice, but what I'm trying to ask is if the Hyper-V Server edition of Windows Server allows installation of other roles, like DNS server, File Server etc. Infact I'm not interested in running Hyper-V, just looking for a free windows server to install some roles on. Thanks

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  • Does SDHC have any write (ECC) error recovery ?

    - by marc
    What happen if SDHC card get write error (damaged cell / bad sector) ? Whole card is unusable (to trash, all data written to that sector now and in future will be lost) ? or rewrite sector (flash memory get corrupted when writing so maybe have any function to check if sector was written successfully) to another and mark as fault as unusable what will be seen as reduction of capacity but no data lost. I have to do some research about SD card-s on disk less machines. regards

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  • Is it possible to check a MP3 for data corruption?

    - by Chris
    I was listening to some older mp3s today and I released that some of my songs have pops and cracks in them. I assume this means that the file has some bad blocks. Is there software/script/etc that I can run on my entire library and find the music with these artifacts? Thanks!

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  • Scratch disks on solid state drives

    - by Kato
    For something like Final Cut Pro where you have scratch disks, is it absolutely a bad idea to use a solid state drive? There would be a lot of writing, but I'm thinking it would be less for video editing then say, programming? The read/write cycles for SSDs still seem pretty long...

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  • Can I tell Chrome not to redirect mistyped URLs?

    - by Nathan Long
    If I mistype a URL, Chrome sometimes redirects me to a search. For instance, typing "example_url_i_sometimes_mistype.conm" into the location bar gets me: Your search - example_url_i_sometimes_mistype.conm - did not match any documents. Not only is this annoying, but if the mistyped URL was one on private DNS, I've now just told Google that the domain exists. (A small concern, but bad in principle.) Can I configure Chrome to just show an error and not blab to Google Search about it?

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  • Top - what does Virtual memory size mean? ...linux/ubuntu

    - by user42159
    I am running Top to monitor my server performance and 2 of my java processes show virtual memory of upto 800MB-1GB. Is that a bad thing? What does virtual memory mean? And oh btw, I have swap of 1GB and it shoes 0% used. So I am confused. Java process = 1 Tomcat server + my own java deamon Server = Ubuntu 9.10 (karmic)

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  • Configuring a monitor's contrast/brightess/colours/etc

    - by DMA57361
    I have recently bought myself a new monitor, now I'd had my previous screen well over 5 years now so I'm looking at this one thinking the picture doesn't quite look right (not bad, just different). Rather than just wait until I'm used to the new picture I'd rather get it fine tuned, then get used to it - so I can reap the maximum benefit. So, can you please suggest reliable ways of configuring an LCD monitor's brightness/contrast/colour/etc to provide the optimum possibly quality image?

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  • Linux (redhat) how to change password to previous password

    - by ring bearer
    Is there a way to change password to value same as the previous password? I know this is a security flaw, but would like to know however. when I try this: [mrbean@wwwserver ~]$ passwd Changing password for user mrbean. Changing password for mrbean (current) UNIX password: New UNIX password: -- here i typed same password BAD PASSWORD: is too similar to the old one.

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  • How to change my IE start page back?

    - by smwikipedia
    In my registry, the entry "Start Page" under [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main] was changed to some bad url. And I found that i don't have permission to modify the [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main], only got a "everyone" user to access it. I cannot modify any entry below it even as an Admin. Could anyone help? Thanks.

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  • About memory cache of Linux

    - by cheneydeng
    I'm running a python script to do some statistics and the actually memory which used is low,about 10%.And no other process cost more memory.However,when i use free -m and it shows that almost 95% memory has been used.The point is that my script should do a lot of read from files,so i wonder if there's any mechanism of Linux memory cache that caused the problem?echo 1 >> /proc/sys/vm/drop_caches works,but it seems manually.How can i reduce the memory cost and doesn't make a bad effect on reading files?

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  • Can a password change in Active Directory be reverted?

    - by Jordan Milne
    I often need to log in with a user's domain account to make sure that I've set up their profile correctly, but there's no easy way to do this other than to call them and give them a temp pass and force them to change it (bad, since they often forget it,) or ask for their password (worse.) Is there any way to change a user's password, then set it back to the original later? I tried to see if there was any way to get the NTLM hash so I could set it back later, but there doesn't seem to be a facility for that built into AD.

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  • Can a password change in Active Directory be reverted?

    - by Jordan Milne
    I often need to log in with a user's domain account to make sure that I've set up their profile correctly, but there's no easy way to do this other than to call them and give them a temp pass and force them to change it (bad, since they often forget it,) or ask for their password (worse.) Is there any way to change a user's password, then set it back to the original later? I tried to see if there was any way to get the NTLM hash so I could set it back later, but there doesn't seem to be a facility for that built into AD.

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  • Cooling Server Rack with Water? Sensible? Reuse energy for small installation?

    - by TomTom
    First - this is not a shopping question, this is not so much about concrete prices but about general feasibility. Makes no sense to get looking fo ra manufacturer it the approach is bad. I am moving my company to new Offices in September, and among them we will expand and consolidate our number crunch cluster. It is so far in a data center. I have a nice room in the basement prepared now. I think about cooling. We will likely run up a power usage of around 10kw by end of the year. That is a LOT of stuff, and cooling will be expensive. I am located in south Poland, close to the German border. This is an area where water is available for relatively cheap price - "wasting water" is not a concern here. My situation is thus a lot different for example than in Spain ;) Physics tells me that to heat 1 liter of water by 1 degree I use 1 Calorie (1KCal), and a kwh power is (and we can assume 100% efficiency - water heaters are pretty efficient) 750 Calories. That means that 1 KWH is 750 liter by 1 degree. 10kw and a 20 degree heat would mean that per hour I need 375 liters. That is 6.25 liters per minute and not WHAT much ;) We talk 270 cubic meters here. Even in summer, the significant underground pipes really cool down the water a LOT more ;) Question: This such an approach feasible? Anyone done that? We talk of a 10kw installation for now. Is it feasible to reuse that heat? The alternative is a decent cooling system that WILL use around 2.5kwh for running. Dropping the water would basically (a) get me a quite cold input compared to the outside air even in summer (I.e. a lower temperature medium to drop the heat in) and (b) replace the need to actually have the outside cooling (which may b problematic - if the air is 22 degree, that is a LOT to fight off, but OTOH the water will be quite cold). I also would possibly save the investment for the outside part of the cooling circuit. Now, second question - is there a feasible way to heat a house with that? ;) After all, brutally speaking, it is a LOT of energy in that water ;) If it is a bad idea, I stop here - if it is not, I start looking for suppliers. Maybe my math is wrong?

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  • Proxied access for chinese users?

    - by Eaton
    I'm working on a web app that will have a large-ish chunk of users in China. The bad news is that most of them are university students, and access has been blocked. Setting up a proxy server inside China seems like the best (potential?) solution, but it's the first time I'll have done anything along those lines. Are there any pitfalls or issues that I should be aware of before I start down this path?

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  • What is a good lightweight webradio program

    - by Robert Vukovic
    I am currently using Screamer Radio but it is a little bit buggy. It freezes a lot if internet connection is bad and can not continue if there are interruptions in the internet connection. I am not interested in some full sized MP3/media player, just a simple (with low memory footprint) application that can play streaming internet radio stations.

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  • iptables rule for forwarding outbound traffic

    - by Claudiu
    I am trying to forward the outbound traffic to another server. Current rule is: /sbin/iptables -A OUTPUT -p tcp -s localhost -o 91.xxx.xxx.xxx --dport 65000:65010 -j ACCEPT but when I do a iptables -L, the rule its showed like this: ACCEPT tcp -- localhost.localdomain anywhere tcp dpts:65000:65010 So I guess my rule is bad written since the "destination" column shows "anywhere" Can you help me with this?

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  • Can I set up a different method of authentication on Nagios?

    - by cwd
    Nagios is a wonderful too for monitoring servers. Their web interface is not bad, either. However I am not crazy about using the HTTP Authentication that comes standard. Is there a way to use another method of authentication? (and I don't mean restricting access by IP address in the .htaccess file) Something with a form-based login would be wonderful, but perhaps there is no such thing. I'm hoping you guys have found something I haven't.

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