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• Why can't I share my printer on Windows 7?

  - by Edward Tanguay

  I have Windows 7 installed on two computers. I can share folders between them fine. However, I can't seem to share printers between them: when I right-click on the printer I expect to see "share printer" but there is no option for that. When I read about "share printers" in the Windows 7 help, it talks about this computer "not being able to connect to a home network", yet they seem to be connected fine (I can share files between them). Why can't I share printers between the computers if I can share files?

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• users unable to add registry keys to HKCU

  - by Eds

  I may not have this 100% correct so need some clarification. Are normal users on a 2003 terminal server allowed to add registry keys the their own HKCU section in the registry, or are they only allowed to edit existing ones? The reason I ask is that we have 3 keys that we need to add for each user on login. I thought it would be as simple as having a straightforward batchscript run that silently adds the keys for the user. Here is what I used: regedit.exe "C:\Documents and Settings\All Users\Desktop\example.reg" When the user runs this batch scipt, they see nothing as you would expect, but the keys are not added. If I simply run the .reg file as the user, it asks if I want to add the key, but then has an error saying there was an error accessing the registry. Do I need something a bit more complex to accomplish this task. Many Thanks Eds EDIT: Contents of .reg file Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Policies\Microsoft\office\14.0\outlook\Security] "PromptSimpleMAPINameResolve"=dword:00000002 "PromptSimpleMAPIOpenMessage"=dword:00000002 "PromptSimpleMAPISend"=dword:00000002

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• Real-Time chat translation on mac using either Skype, Adium or iChat

  - by Cawas

  If you're looking for MSN and / or Windows, just go here. I'm looking for Real-Time chat translation tools for Mac, and preferably using Adium, but it could be for Skype, iChat or maybe another option if it's really good. So far I could only easily find a plugin for Adium, simply called translator, that uses google, dicts and babelfish, but you have to type commands in and paste the words or sentences, and it's currently not even working on Snow Leopard. Even if it did, it's still not quite as automatic as we'd expect (or see in other platforms as indicated). So I'm just citing it as an example of a bad solution.

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• Distribute terrabyte files to the public from web server

  - by MarkJ

  Hi We need to set up a website which makes two or three large files publicly available - the files will be 1 or 2 terrabytes each. Although they will be public, in practise I expect only a relatively small number of scientists will want to download them. What is the best way to allow this? I've had a quick talk to a web-hosting provider (rackspace) and they suggested a hybrid solution. An entry-level managed server (we predict fairly low traffic for the website, but we do need to install some custom CGI software). Some cloud storage which hooks into Limelight Networks. This would host the large files, for download by FTP. It sounded OK to me but I know relatively little about server administration. Does it make sense? Thanks in advance, Mark

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• Upgrading Mac OS X 10.5.8 Corrupted Lightroom 2.7

  - by Tedd

  I use Photoshop CS4 and Lightroom 2. I recntly upgraded to 10.5.8 and began to have issues with LR. So, I reinstalled and downgraded my OS. I'm now running 10.5.2 on my MacBook 2.4G Core Duo with 4G RAM. Everything works fine now, but the downgrade also resulted in having only Safari 3.0.4 and and older version of iTunes. I can't upgrade either of those until I upgrade the OS but I'm reluctant to do so because I might have problems again. Any suggestions? Install 10.6 instead? What kind of issues can I expect from that?

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• How do I set "MaxPermSize" for Atlassian Fisheye/Crucible running as service on Win2k3?

  - by Jeremy

  I have been trying to setup Atlassian Fisheye/Crucible as a service on Win 2K3 R2 for two weeks. I keep getting various "java.lang.OutOfMemoryError: PermGen space" errors, which crash Fisheye and force me to restart the service. I've followed the example on the Atlassian support site to configure MaxPermSize within the service wrapper. However, when I check SysInfo inside the Fisheye Admin pages and the debug log, I don't see any confirmation. The Java Heap info is in both places, so I'd expect the MaxPermSize setting to show up in both places. The error is persisting and Atlassian support has been little help. I appreciate any help.

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• tail -f updates slowly

  - by Cliff

  I'm not sure why, but on my Macbook Pro running lion I get slow updates when I issue "tail -f" on a log file that is being written to. I used to use this command all the time at my last company but that was typically on Linux machines. The only thing I can think of that would possibly slow the updates are buffering of output and/or maybe a different update interval on a Mac vs. Linux. I've tried with several commands all which write to stout relatively quickly but give slow updates to the tail command. Any ideas? Update I am merely running a python script with a bunch of prints in it and redirecting to a file vi " my output.log". I expect to see updates near real time but that doesn't seem to be the case.

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• Is it safe to run an operating system from an USB flash drive?

  - by Georg

  I've got a laptop that has a broken harddisk controller. Replacing the motherboard is quite expensive. I thought about buying a flash drive and installing & running the system from it. However, I'm concerned about some things. Speed: Are they fast enough for swap memory (I've got only 1GB RAM installed.) I'm considering buying 2 or 3 of them and making them into a RAID. What about limited write cycles? How long will it last for a system that has a filesystem with journaling enabled? I'd hate to abandon it. Are there significant differences between internal SSD which are used in modern laptops like MacBooks and USB flash drives? What should I expect in 10 years when the memory wear starts kicking in?

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• How come Win+R prompt can open Python when it's not in my path?

  - by houbysoft

  When I use the run prompt in Windows XP Professional (Win+R), and type python.exe or python, it works and greets me with the python prompt. However, when I start a cmd window, and then type python.exe or python, it doesn't find it. This is what I expect, as the Python directory (for me, I:\Python31\) is not in my PATH. How come, then, that if I type python.exe in the Win+R prompt, it works? Edit: here is a partial output of SET, I removed most irrelevant entries, I'm not sure why is it useful, apart from the PATH variable which I already said doesn't include the Python directory. If you need a particular variable other than these, please ask. CLIENTNAME=Console CommonProgramFiles=I:\Program Files\Common Files ComSpec=I:\WINDOWS\system32\cmd.exe FP_NO_HOST_CHECK=NO OS=Windows_NT Path=I:\WINDOWS\system32;I:\WINDOWS;I:\WINDOWS\system32\WBEM;I:\WINDOWS\system32\WindowsPowerShell\v1.0;I:\Qt\2010.05\mingw\bin;I:\Program Files\CMake 2.8\bin PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.PSC1 ProgramFiles=I:\Program Files PROMPT=$P$G SESSIONNAME=Console SystemDrive=I: SystemRoot=I:\WINDOWS VBOX_INSTALL_PATH=I:\Program Files\Oracle\VirtualBox\ windir=I:\WINDOWS

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• Remote Desktop Services create LAN and WAN user groups

  - by PHLiGHT

  I'm setting up one server with the gateway, server host and web access roles on it. I know that isn't ideal but I don't expect to have many simulatenous users. I want users to access remote desktop web access and connect to the server host via the gateway as outlined here which avoids opening 3389 to the internet. Users will be connecting from the LAN and the WAN. What I'm looking to do is to allow some users LAN access but not WAN access and added plus would be if security settings (such as no clipboard) would be different when accessing via the WAN. Is this possible? It seems all users can logon to remote desktop web access by default. They can't run the remoteapps once logged in though without the proper permissions. Can I prevent them from even logging into remote web access? Since they renamed it from terminal services to remote desktop services it has made my Googling a bit harder. Thanks!

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• Haproxy Slow Reload in DB Mode

  - by com

  Recently I started using great tool for load balancing - Haproxy. There is only one disturbing thing that I cannot figure out how to deal with it. We use haproxy for load balancing mysql traffic. When there is a lot of traffic and many connection it takes ages for haproxy to reload (~ 30 min), with less traffic it doest reload within 1 min. I do reload with: service haproxy reload Of course if I need to do an urgent change in configuration I expect haproxy to do reload very fast. Killing haproxy instances waiting for disconnection causes to disconnection of msyql connections. It looks like that I made mistake in settings of haproxy or in settings of application. If you know how to solve this please help me. Thanks!

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• Can I automatically add a new host to known_hosts ?

  - by gareth_bowles

  Here's my situation; I'm setting up a test harness that will, from a central client, launch a number of virtual machine instances and then execute commands on them via SSH. The virtual machines will have previously unused hostnames and IP addresses, so they won't be in the ~/.ssh/known_hosts file on the central client. The problem I'm having is that the first SSH command run against a new virtual instance always comes up with an interactive prompt: The authenticity of host '[hostname] ([IP address])' can't be established. RSA key fingerprint is [key fingerprint]. Are you sure you want to continue connecting (yes/no)? Is there a way that I can bypass this and get the new host to be already known to the client machine, maybe by using a public key that's already baked into the virtual machine image ? I'd really like to avoid having to use Expect or whatever to answer the interactive prompt if I can.

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• What is the easiest way to get perfmon counter names into a text file?

  - by Bill Paetzke

  I'd like to create a settings file for my logman command. I expect to have lots of perfmon counters. Is there any easy way to get all the perfmon counters' exact text anywhere? The only thing I thought of was to create a Perfmon Counter Log through the GUI and then export the list of selected counters--but I don't see an export option! I guess I could manually copy what I see on the screen, but that seems inefficient. I'm going to be dealing with tens of counters. Maybe there is a list somewhere? That'd be easier to copy and paste from.

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• Troubleshooting a slow database server with no load

  - by user1721724

  I'm getting ready to soft launch my website and I've run into some problems with what I think is being caused by my MySQL database running on Fedora. All websites run fine, just as I'd expect, but any pages that establish a database connection hang until the connection is established, and then bang, the site loads as it should. Ex. My landing page (http://www.thrusong.com) doesn't make a database connection and loads quickly. User profile pages (http://www.thrusong.com/john) make a database connection and load slowly, even though most of the data comes from memcached and the database currently has no load on it. This problem just came up yesterday when my router died and I began using my Pace 2Wire modem with built-in router. Before, my old router was set to handle everything. My ISP says the settings in the modem are correct. Any ideas? Thanks in advance.

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• Difference in behavior of reboot

  - by LinuxPenseur

  Hi, I have 2 machines running linux. In one machine, the reboot command is an executable normally found in all linux distributions. In the second machine the reboot command is a shell script customized using some other hardware tool commands to reboot the system. One behavior difference between the 2 machines is that when i execute reboot command on the first machine, it shows another shell prompt and then only reboots. But in the case of second machine, it reboots without showing a shell prompt. I expect the second machine to behave the same way as first machine when reboot command is given. Currently i am analyzing the source code of shutdown.c and halt.c normally found in linux distributions, so that i can find out the implementation which produces the shell propmt on reboot and use that in the shell script in second machine. Kindly give me some pointers on where i should start looking to find the implementation. Thanks

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• How can I diagnose cache misses when using Apache as a reverse proxy?

  - by johnstok

  I have set up Apache 2.2 as a reverse proxy with the following configuration: # jBoss proxying ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass /foo http://localhost:9080/foo ProxyPassReverse /foo http://localhost:9080/foo ProxyPassReverseCookiePath /foo /foo # Reverse proxy caching CacheEnable disk /foo # Compression SetOutputFilter DEFLATE BrowserMatch ^Mozilla/4 gzip-only-text/html BrowserMatch ^Mozilla/4\.0[678] no-gzip BrowserMatch \bMSIE\s(7|8) !no-gzip !gzip-only-text/html DeflateCompressionLevel 9 Header append Vary User-Agent env=!dont-vary However, in a number of cases where I expect a cached response to be returned the request is sent through to the origin server at localhost:9080. Responses have a HTTP Vary header of 'Accept-Encoding,User-Agent' which is to be expected given the mod_deflate configuration. How can I determine why Apache is unable to serve a response from the cache?

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• How long do servers usually last?

  - by AX1

  I'm trying to estimate ROI for a new server and how long it will most likely be in service. Are there any average numbers for how long you can expect a server to last that's in 24/7 use? In other words, is it likely to find 10-year old server from 2010 in today's racks? How about servers from 2005? I'd love to get an idea for how long a server will most likely be in use. By the way, this is meant irrespective of growing or changing application needs. I'm talking only about the hardware.

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• Server suddenly running out of entropy

  - by Creshal

  Since a reboot yesterday, one of our virtual servers (Debian Lenny, virtualized with Xen) is constantly running out of entropy, leading to timeouts etc. when trying to connect over SSH / TLS-enabled protocols. Is there any way to check which process(es) is(/are) eating up all the entropy? Edit: What I tried: Adding additional entropy sources: time_entropyd, rng-tools feeding urandom back into random, pseudorandom file accesses – netted about 1 MiB additional entropy per second, problems still persisted Checking for unusual activity via lsof, netstat and tcpdump – nothing. No noticeable load or anything Stopping daemons, restarting permanent sessions, rebooting the entire VM – no change in behaviour What in the end worked: Waiting. Since about yesterday noon, there are no connection problems anymore. Entropy is still somewhat low (128 Bytes peak), but TLS/SSH sessions have no noticeable delay anymore. I'm slowly switching our clients back to TLS (all five of them!), but I don't expect any change in behavior now.

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• Easiest way to get Perfmon counter names into a text file?

  - by Bill Paetzke

  I'd like to create a settings file for my logman command. I expect to have lots of perfmon counters. Is there any easy way to get all the perfmon counters' exact text anywhere? The only thing I thought of was to create a Perfmon Counter Log through the GUI and then export the list of selected counters--but I don't see an export option! I guess I could manually copy what I see on the screen, but that seems inefficient. I'm going to be dealing with tens of counters. Maybe there is a list somewhere? That'd be easier to copy and paste from.

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• How to remove duplicate illegal site in apache configuration?

  - by zladuric

  I've recently found a referrer in the apache log on my site. Now, I opened it out of curiosity, since my site is live, but I just started development so I didn't expect it. Anyway, the site was a pure copy of mine, and after investigation I saw that it resolves to my IP. I'm on Ubuntu 12.04, Apache 2, drupal 7, don't know what other info can I provide. My question is: how can I tell apache that it should not serve this site? Thanks Edit: forgot to say that I had some bots register to my fresh drupal installation. Also, my domain is a tld, this fake domain is a third level (ie. sub.domain.de)

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• ZFS, dedupe and PST files

  - by Unreason

  I am interested to know what would be expected maximum dedupe ratio for a set of PST files. I have ~40G of pst files from ~15 usres with high level of duplication of attachments. I am running tests to see if I can have significant space savings if I store the data on ZFS with dedupe. For this purpose I have installed a test setup of Nexenta, but was wondering if someone here had already done this and what level of deduplication I might expect (or in another words how sensitive are pst files to block alignment and what are the parameters that can influence the ratio?). Initial test show very low dedupe ratio and I did find explanation that block level dedupe would not be efficient here and that byte level dedupe would be much better (and that it should be performed by application that is aware of internal organization), so I am just double checking here if someone have some more input. Otherwise I will probably be converting PST files to IMAP.

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• Picking only the value field out of Cloudwatch Dimensions, Java

  - by GroovyUser

  I have some data that are retried from the cloudwatch api's. Specifically I have used listMetrics. The data that I got from this call is : {Metrics: [{Namespace: Metric from grails, MetricName: hello123, Dimensions: [{Name: name, Value: 1425, }], }, {Namespace: Metric from grails, MetricName: hello123, Dimensions: [{Name: name, Value: 1068, }], }, That was the correct data as I would expect. I need a way to return only the value fields. Not others things. Is there any way to do this, in java? Thanks in advance.

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• have list of emails to be deleted from sheet A col D [on hold]

  - by Peta

  Thank you for your comments guys & now that CharlieRB has suggested "Match entire cell contents" I'll give it a better go. No I do not expect people to do my work for me & I'm sorry if it came over that way - just didn't know where to start. Would love some help please, I've limited VBA & function knowledge & I'm not sure where to start. If someone can point me in the right direction it would be appreciated. I have a list of email addresses on sheet "B" col A (but I could put them on sheet A if it would make it easier / faster) that I want deleted from sheet "A" col D (may be 2 or more occurences of the same email). I can't just record a find & delete macro and edit because for example [email protected] will also pick up [email protected] which I may not want deleted. thanks very much Peta

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• Recovering an old website

  - by noah

  I have a client with an old website that somebody setup for him long ago. The guy who set it up is unreachable, so how do we go about trying to take it over? A WHOIS lookup got us some contact information, but I don't have great hopes for that (it hasn't been update in quite some time). The nameservers are ns1.theplanet.com and ns2.theplanet.com, and we will try calling them, but I don't expect we'll be able to get much from them. What are our options? Is there a way I can discover the registrar so we can try contacting them as well? EDIT: It would be sufficient if we could get control of the domain name or put in some sort of redirect to the new site. Either hosting was prepaid for quite some time, or someone else is still paying for it, so we don't care about that.

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• Adding text to the beginning and end of a number of files?

  - by John Feminella

  I have a number of files in a directory hierarchy. For each file, I'd like to add "abcdef" to the beginning, on its own line, and "ghijkl" to the end, on its own line. For example, if the files initially contained: # one/foo.txt apples bananas # two/three/bar.txt coconuts Then afterwards, I'd expect them to contain: # one/foo.txt abcdef apples bananas ghijkl # two/three/bar.txt abcdef coconuts ghijkl What's the best way to do this? I've gotten as far as: # put stuff at start of file find . -type f -print0 | xargs -0 sed -i 's/.../abcdef/g' # put stuff at end of file find . -type f -print0 | xargs -0 sed -i 's/.../ghijkl/g' but I can't seem to figure out how what to put in the ellipses.

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