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• How to disable password change for openldap user?

  - by Keve

  Considering possible solutions for some improvements I run into this theoretical question and I couldn't find a satisfying answer. Some of you may have first-hand experience with this in practice, so here the question goes: How can I disable password changing for an OpenLDAP user? The account must stay enabled, allowed to log on to workstations and work as usual, but should not be able to change its own password. Can this be done? If so, how difficult is it to implement it? All suggestions are appreciated! For reference: Servers and workstations are to run a mixture of FreeBSD and OpenBSD. Accounts to get password disabled are student or generic workstation accounts. Environment is a school.

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• Getting Drag and Drop to Work in Virtual PC 2007 on Windows 7.

  - by Kryten

  Hi, I have Virtual PC 2007 installed on my Windows 7 machine. Before anyone asks, I have installed VPC 2007 because my machine does not support the new Virtual PC for Windows 7. Everythings working fine, except for the drag and drop file feature. On my old Windows XP machine the drag and drop feature works fine, but on Windows 7, nothing happens. I just get the "no drop" cursor. I HAVE installed Virtual Machine Additions and have run Virtual PC under XP Compatability, but still nothing. The Virtual Machines I have tried draging and dropping files onto on are: Windows 2000 Windows XP Windows 98 and as I said they all have Virtual Machine Additions on them. Whats going on? How can I get the drag and drop feature working? I did see this question, but it still doesn't answer my question.

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• Could 11.5 Million 401's be causing bottlenecks?

  - by roviuser

  I'm going to preface this with a warning: My knowledge about servers and networking is VERY limited, and if you provide me with technical answers, I probably won't understand much until I research your answer further. I'm trying to expand my knowledge and learn about it, though. If the information that I am able to provide in this question is insufficient to answer the question, I understand, and it can be closed. We have a SharePoint 2007 system that is extremely slow, mostly from huge amounts of use. We've been told that the main speed bottleneck is the access to the sql databases. However, they do provide a statistics dashboard, so I did some poking around, and noticed that we have 11.5 million or more 401 - access denied errors every month. Could this be causing major speed/performance decreases? Authentication for sharepoint uses active directory.

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• Is it possible to create a full "encrypted worried about privacy" VPS, but still being externally us

  - by Somebody still uses you MS-DOS

  I've been reading a lot of things about privacy, "being in control of your data" and everything, and now a project called diaspora* is trying to be an OSS Facebook alternative. Fact is: you still have to use a server. Even if you use a VPS somewhere, they still have access do your data, so diaspora* isn't that protective shell people are looking for absolute power over your data unless you create a server on your basement. My question is: is it possible to create a really encrypted usable server using a VPS? From database to source files? If not, what it can be "obfuscated" or encrypted? (And just a mention, not really my question, do you think is diaspora* really possible to be made?) (I know if you really want privacy you shouldn't be even using these services and being social, but I'm asking if it's possible to at least avoid companies using your data)

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• What tool do you use to monitor your servers?

  - by Aron Rotteveel

  As the question states, what are the most commonly used tools used for this task and what are their strengths and weaknesses?

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• how to monitor traffic at port 53 (DNS)

  - by Registered User

  I am a bit confused with the abundant tcpdump tutorials on internet. I am having a few of the virtual machines running on a virtualization server.Where I am debugging a problem.Port 53 is the one in problem. I have a bridged setup where out of 4 LAN cards on the machine in question one is active and it is xen-br0 I want to check if there is any request coming on port 53 on the server by other machines on LAN in question. I also want to see if the guest operating systems on LAN or any other machine is sending traffic at port 53.Due to abundant messages being generated via tcpdump I am finding it difficult to grep the output at desired port. So how can I use it if some one can give an example that would be helpful. Thanks in advance.

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• Running a dhcp server on windows 7 ultimate

  - by nikhil

  I'm trying to get my HP T5740 thin clients to connect to my local network without much success. I asked a question here but haven't got any response. I think that question should have been posted on serverfault instead. I was thinking that the problem seems to be that the thin clients aren't able to get an IP address when they are connected and I can't manually set it. So if I was to somehow set up a dhcp server on the network with my server that runs a 32 bit version of windows 7 ultimate edition. How do we set up a dhcp server in windows?

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• Managing client passwords

  - by HurkNburkS

  I am just starting up a small website development business and one of the issues I am having is remembering passwords and account information for clients hosting, cpanel, ftp accounts etc. I was wondering what is the most suitable system / industry standard for controlling such information? Pretty marginal on the close there... I read the FAQ and I felt list this could be a common issue for webmasters, its defiantly not a coding questions so stackoverflow is out of the question and its not a broad question its focused on one particular aspect of being a webmaster.

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• How do I set up a working GUEST USER account in Win XP Pro?

  - by user6501

  I have two user accounts within my WinXP Pro PC. One I'd like to erase. But I'd also like to setup a GUEST user account. I've already gotten 2-step instructions on how to get rid of the extraneous account: a) use an MS tool called delprof.msi b) manually delete the former users files in Documents & Settings. But I guess my original question was too complex -- kind of like a bill in Congress. So now I am just asking the final part of the question: How do I create a GUEST ACCOUNT -- then define what it will authorize/grant access to? i.e. internet browser(s), specific programs and files etc

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• Ubutu Server Edition: useful for the home user?

  - by D Connors

  My question is simple. What (if anything) does Ubuntu Server Edition have to offer to home users? This question is mostly out of curiosity really, but I like asking. I've got a home network set up here with some 6 to 7 machines (most Windows, one Linux). And I was wondering how useful would it be to have a dedicated computer in my house running Ubuntu Server full time. We've had an awful experience with file sharing so far, would it simplify file sharing/transferring? Would I be able to limit the internet bandwidth granted to each PC? Would I be able to monitor in/out internet traffic (both real time and monthly statistics)? Last, and most important, if I'm completely off as to what Ubuntu Server actually is, please say so. I am completely new to it.

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• Temporarily block other users from network printer

  - by TecBrat

  I found where someone else asked this question here, but they did not get a working answer. We have a printer that is shared. It has it's own network card, so we all have equal access to it. (none of our computers owns it) One of our users needs to print on specialty paper and we need to be sure not to print when that paper is in the printer. Our current method is "Hey, don't print anything right now!" Obviously this method is not preferred because it does not enforce itself. :-) I think all our PCs are running Win7 Home. The printer in question is an HP Laserjet 2200. Is there a way that we can make this happen?

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• Remote Desktop Multi Monitor Connection

  - by user196039

  This question may be a bit unusual but I think it's an interesting angle: Why does a remote desktop connection to my server with all four of my 30 inch (@2560x1600) monitors work, even though the server doesn't have a graphics card installed? I guess the graphics are perhaps not really rendered on the server? What exactly happens there so that this works? Searching for this I mostly found "how to enable multi monitor support" but not an answer to my question yet. Any links/documentation I can read to understand this better? (To get all four monitors working well on my local machine the one graphics card I had wasn't even enough, so I have two graphics cards on the local machine now) The operating systems are Windows 7 home premium and it's a Windows Server 2008 R2.

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• Windows 7 won't recognize my second hard drive after reinstall

  - by Shadur

  I recently suffered a total hardware crash on my windows C: drive. Fortunately, I had a spare disk on hand and set about reinstalling. For some reason, during the install it decided to declare my second windows drive as the booting drive, but once the installation was completed it completely and utterly refuses to acknowledge the filesystem -- I'm not even seeing a drive letter, while it /does/ find the linux partitions on the other two drives (even if it can't read any of them). My first (and most important) question: How can I get windows to re-acknowledge the drive, preferably without losing all the data on it? My second question: How can I tell windows to set up its boot loader on the new C: drive?

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• How does Apache process several requests at a time?

  - by Vicenç Gascó

  In a short question: If 10 requests hit Apache, does it process them one by one, so when R3 finishes, then it starts to run R4, or does it fire 10 processes/threads/whatever and are resolved simultaneously? Now some background: I have a PHP script that takes up to two minutes to do some processes. My question is: while a client is waiting for this 2 minutes, all the other clients requests are being processed? Or also waiting for this one to end? By the way, if there are simultaneous request, how can I handle them? Let's say put a limit on them. Or a limit on resources consumed. For instance I want the server to use its 80% performance on serving the webapp, and just a 20% for those long operations ... because I have no hurry to end them. Doesn't know if it cares but is all in PHP. Thanks in advance!!

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• In terms of load handling, which is better: one server or two of equivalent power?

  - by seldary

  My goal is to figure out if i'm better off with one strong server, or multiple weaker servers with a load balancer. Does the fact of splitting the load between servers have an effect on the total load my website could take? It's hard to single that out, because there are of course a lot of parameters that affect the results, so some assumptions: Putting failover considerations aside - I know it matters, but for the sake of the question's simplicity, lets assume nothing fails. The servers in the multiple servers option have an accumulated "power" equivalent to the one server option (about the same amount of cores and RAM space). If that is too theoretical, here is a concrete question that could help: Suppose I have several instances of exactly the same server - lets call it S. Suppose that server S can serve a load of up to X calls per time unit. Will two S servers with a load balancer serve 2X calls per time unit? significantly more? significantly less?

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• Apache Connection vs. Request

  - by user101570

  I apologize in advance if this is a basic question, but I am quite confused after reading the Apache documentation and other tutorials. Does a single Apache prefork process serve all HTTP requests for a given client? That's what I thought, but when I reduce maxclients down to a low number, my page load times go to a crawl. This despite the fact I'm the only client on the server in question. This would suggest each process serves a single HTTP request at a time, rather than serving all requests within the TimeOut window. So if a single webpage requires 15 HTTP requests to load fully, do I require 15 prefork Apache processes to optimally serve it?

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• "Clear Text Credential Access Enabled" field

  - by Dave

  Searching for answers about the "Clear Text Credential Access Enabled" field, I found a question on an oracle forum that was my exactly what I was trying to find out. Thinking that my answer would soon be found, I happily click on the link only to find zero replies. All hope was lost. I am posting the question here, hoping that someone on this site will know the answer. Can somebody please explain the usage of "Clear Text Credential Access Enabled" checkbox under "-Security-Advanced tab for Weblogic 11g? What is the difference if we set or unset this flag? If I dont set this flag I get an exception like "Access to sensitive attribute in clear text is not allowed due to the setting of ClearTextCredentialAccessEnabled attribute in SecurityConfigurationMBean" when I try to set a value for the "Credential" field. But what should be the value for "Credential" field if I dont set the "Clear Text Credential Access Enabled"flag?

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• How to remove GRUB from dual boot (Debian and Windows XP)

  - by All

  I have a computer witch cannot be boot from CD or USB. I have Debian and Windows XP with dual boot via GRUB. Now I want to uninstall Debian and GRUB and restore the Windows MBR. I can enter boot Debian and Windows OSes, but no boot from CD or USB for recovery. How can I remove GRUb and restore MBR from within Windows XP or Debian? NOTE: I asked this question before, but after accepting the answer, I found that Windows XP does not have fdisk command. However, I think it is too late to continue the discussion there; thus, I asked this brand new question.

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• Will a `wireless n` network adapter work `wireless g` router?

  - by ShoeLace1291

  I have verizon fios internet service. I believe they use a Wireless G router, but I just have one question. I currently am using a 54mbps wireless pci adapter in my Windows 7 custom build. It drops the internet connection all the time and is starting to get very irritating. I'm thinking about buying a new one, but all the 300mbps cards on newegg are wireless n. So my question is, will a wireless n network adapter make a difference with a wireless g router?

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• Server Design Enquiry [closed]

  - by Brandon Gelfand

  I am really new to this and am having trouble with how I can store information from a website. I am going to be making a site similar to dropbox for my company and there is gonna be around 40 TB of space that we need to be able to access on the go, for instance pull the file up on the phone or off our laptop using the internet. Obviously using an Amazon S3 server is not the most cost effective way of doing this so how can I make my own server to hold all of the info and communicate to it from a website? Please I need as much help as possible, like a blueprint or something. Thanks and sorry for the noobish question but I can't really find an exact answer to my question.

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• Run SSH trough a proxy

  - by Row Minds

  I have a question. How can i run SSH trough a proxy or a SSH Tunneling Protocol? For example i have a computer(Ubuntu) with ip eg. 123.123.123.123 and i want to connect to my server trough a proxy eg. 111.111.111.111 so i can see in lastlog that the last authentication was made from 123.123.123.123 . I need this because i cannot access a certain server at work only with an specified range IP. What i tried so far was http://daniel.haxx.se/docs/sshproxy.html where i used ssh -D 1 [email protected] -p 443 where i had 127.0.0.1 forwarded to a SSH Tunneling Protocol http://www.nixtutor.com/linux/installing-and-configuring-an-ssh-server/ (i configurated listening on port 443 but no result, still no connection (denied) ...) This question may sound simple, but i can't figure it out, can you please help me? Thanks.

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• Single ipv6 from /64 subnet

  - by PartyPete

  I have a newb question I'd like to ask. We have an dedicated server and we got an ipv6 /64 block. We want to use squid to make proxy and use those IP. And my question now is: Is it possible to use only one IP out of range? for example: let's say I have a range of IPs ffff:ffff::/64, and want to use only one address from it: ffff:ffff::1/128 or ffff:ffff::2/128 but whenever I set squid like this I always get from 'what is my ip' services whole subnet which is again ffff:ffff::. What I want to achieve is to get from those 'what is my ip' services to send me back IP ffff:ffff::1 (or 2 for that matter) Am I doing something wrong?

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• Windows API Error 2 when installing MikTex (Win7)

  - by GreenAsJade

  I am trying to install MikTex 2.9.3927 on Windows 7 x64. Very early in the installation process, I get a MikTex setup wizard error saying: "Windows API Error 2: The system cannot find the file specified Details: C:...\somefile.tpm" The file that results in the error seems to be different every time I try. I have tried many different installation paths, with many different setup options. The same error occurs if I download the ~138MB "Basic MiKTeX 2.9" Installer or if I use the Net Installer to download the entire setup (~1GB). Note that this is a duplicate question - the other copy of this question is closed to users of under 10 rep. I have asked it so that I can provide an updated answer...

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• Roughly, what percentage of users will reach changed DNS?

  - by user3722246

  If my main server go offline for some reason for +1hrs, I'm planning to make a DNS change so users will access secondary server. It is not a perfect solution to decrease downtime but it is simple and would work. I'm not sure about its usefulness. So I have a question. If I'm going to make a DNS change to an A record for my domain (changing from one IP to another), what percentage of users are moved over to the new info in 2hrs? (roughly) I know this is a vague question and there are lots of variables but any input is welcomed because I had painful downtime experiences and don't want to experience it again. Thanks

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• Mirrored servers in data centers nationwide -- how? [closed]

  - by Sysadmin Evstar

  Possible Duplicate: Mirrored servers in data centers nationwide — how? Mirrored servers in data centers nationwide -- how? I flunked my IT interview by getting this question wrong. I thought that in the various metropolitan areas, an "http://google.com" request goes to the ISP's DNS server, which somehow returns an IP address for one of several geographically-nearby http servers, and then something internally rolls over to the next available local Google server. But then, I could not explain where the table of available local Google servers is actually cached, or the details of the IP address rollover. Or how they could manually take some server out of the rotation, from anywhere. So, what should I be reading now so I can ace this question next time? Also, what daemons run on these machines 24/7 to keep all those mirrored database disks synchronized?

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