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• How do I disable Tomcat? [closed]

  - by Dave King Popeye Mason

  Possible Duplicate: How to disable Tomcat on linux? According to my server host, something called Tomcat is hogging all my resources and slowing down the server. As far as I'm aware I'm not using it as the only thing running on the server is Plesk and a few Wordpress installations. I'm a real dummy at using SSH, I can navigate to folders, change permissions and that's about it. Could somebody explain to me as if I'm a 5 year old how to disable TomCat (and also how to stop it re-enabling on startup)? Thanks!

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• Tutuorial for Quick Look Generator for Mac

  - by vgm64

  I've checked out Apple's Quick Look Programming Guide: Introduction to Quick Look page in the Mac Dev Center, but as a more of a science programmer rather than an Apple programmer, it is a little over my head (but I could get through it in a weekend if I bash my head against it long enough). Does anyone know of a good basic Quick Look Generators tutorial that is simple enough for someone with only very modest experience with Xcode? For those that are curious, I have a filetype called .evt that has an xml header and then binary info after the header. I'm trying to write a generator to display the xml header. There's no application bundle that it belongs to. Thanks!

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• Zabbix server sends too many notifications

  - by anselmdk

  I've recently installed Zabbix server on a VPS and am very happy with it. I've installed the client on appr. 6-7 other VPSs and everything works fine. The interface is smooth, and it produces some very nice graphs. My only problem with the software is that I've set it up to send notifications on problems, but im receiving between 30 and 60 emails every day. Always something along "Server XXX is unreachable: PROBLEM", and a minute later: "Server XXX is unreachable: OK". Off course, Zabbix also recognizes when there are real problems, and e.g. when a server has been restarted. It just seems to me as if Zabbix very fast "gives up", or maybe times out faster than what suits my needs. I've been trying to google this problem several times, but given up, so now I'm trying this approach. Does anyone know of how to adjust the fidelity of these notifications/triggers?

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• Options for gaming remotely on a LAN?

  - by Schwern

  I have a Windows 7 desktop for gaming, a big bulky tower with a nice graphics card. I'd like to sit out on my porch rather than inside while the weather is nice and play games. I have a high end Macbook Pro. What are my options? I figure either remote desktop over the LAN on the Macbook or maybe wireless video, keyboard and mouse. Something so I don't have to physically move the PC. The sort of games range from things like Skyrim to SW:TOR to Torchlight 2. What are my options? They have to do a better than running Boot Camp on the Macbook (MacBookPro8,1 i7 2.7 Ghz but Intel Graphics 3000). I realize there's a lot of issues involved in running a game over a remote desktop with a decent frame rate, I'm interested in a practical answer with real experience behind them. Ideally something that works on a OS X so I don't have to reboot into Windows.

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• make vnc server listen on guest's ip address

  - by gucki

  My host system has the IP 192.168.0.250. Now I want to create a kvm guest using a tap device (so the network card of the guest just acts like a "real" one). The guest has a static ip 192.168.0.249 which it setups on his own (no dhcp). To connect to the guest using VNC I can to use the host's IP. So far everything works fine. Now I wonder how I can make the VNC server to listen on the guest's IP address, so I can use the guest's IP address to connect using my vnc client. Of course I cannot use -vnc 192.168.0.249:1 as this IP is not active on the host and so fails with Cannot assign requested address. Can this be done with tap networking at all? If not, how to get it working?

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• Linux - How to control Winbind Authentication cache timeout

  - by cybervedaa

  I have configured my linux machines (running CentOS 5.2) to authenticate against a Windows server running Active Directory. I have even enabled winbind offline logon. Everything works as expected, however I'm also looking to impose a TTL for the winbind authentication cache. So far all I found was the below snippet from the samba documentation winbind cache time (G) This parameter specifies the number of seconds the winbindd(8) daemon will cache user and group information before querying a Windows NT server again. **This does not apply to authentication requests**, these are always evaluated in real time unless the winbind offline logon option has been enabled. Default: winbind cache time = 300 Clearly the winbind cache time parameter does not control the cache TTL for authentication requests. Is there any other way I can implement a cache timeout for winbind authentication requests? Thank you

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• Survey of project-administration experience [on hold]

  - by Salvador Beltrán

  My name is Salvador, I'm a Computer System Eng. Student and I'm searching for people to contribute with my research and I need real opinions - Experience (is an investigation for problems in the Project Management Area), just to be clear it can be any kind of project. If you help me with these 3 questions I would appreciate you so much! :) 1 - Any kind of problem that ocurred during the process of the project administration(Just the description). 2 - What was the impact? 3 - And what was the solution to avoid this problem in some future. 4 - What do you do(Software Engineering,Networking,etc). Thank you very much!

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• Performance difference between compiled and binary linux distributions/packages

  - by jozko

  I was searching a lot on the internet and couldn't find an exact answer. There are distros like Gentoo (or FreeBSD) which does not come with binaries but only with source code for packages (ports). The majority of distros uses binary backages (debian, etc.). First question: How much speed increase can I expect from compiled package? How much speed increase can I get from real world packages like apache or mysql? i.e. queries per second? Second question: Does binary package means it does not use any CPU instructions that was introduced after first AMD 64bit CPU? With the 32bit packages does it mean that the package will run on 386 and basically does not use most of the modern CPU instructions? Additional info: - I am not talking about desktop, but server environment. - I dont care about compile time - I have more servers, so speed increase more than 15% is worth for using source code packages - Please no flamewars. Thank you very much

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• Configuring Notepad++ to run knitr2pdf

  - by Stat-R

  Sorry for such a basic question but since I do not have a degree in programming... I am a user of R, knitr and Notepad++. I was trying to configure Notepad++ to run pdflatex and knitr(knit2pdf). By googling I found how to do it for pdflatex but I did not find anything for sweave/knitr. The following are the good ones for pdflatex http://www2.sofi.su.se/~mbe/docs/npp_r_latex.pdf http://www.tlhiv.org/ma497/software/ I inserted cmd /c cd /d "$(CURRENT_DIRECTORY)" && pdflatex.exe -shell-escape "$(FILE_NAME)" into the runrun menu in Notepad++. I do not fully understand the command though. I will appreciate any help on this. Please direct me if you can to any resource for learning these commands. I will be grateful to get any help in configuring Notepad++ for running knitr.

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• Internal USB A Female to motherboard 4-pin that mounts internally

  - by rockinthesixstring

  I'm wondering if anyone knows of a product like this but that is physically mountable internally rather than on a cable? I'm planning on building a super low profile "gateway" pc that is dedicated to handling internet traffic in my home. I have a great 1U rackmountable chassis for an ITX motherboard, but I need the hard drive real estate for the additional NIC required to run a gateway (one onboard and one PCI). So the plan is to use a small 8GB USB Jump Drive for the OS inside the box (as to not have one hanging out the back. And although it's racked, I still don't want the jump drive flopping around internally, so I want it fixed somehow. I have an alternative idea where by I use a flush mount zap strap saddle and a zip tie to hold it in place, but that seems kind of like a hack.

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• Why does iTunes make 2 copies of my music when adding to library?

  - by NoCatharsis

  I set iTunes to "Keep iTunes Media folder organized" and to "Copy files to iTunes Media folder when adding to library" because I prefer to keep my music consolidated, organized, and consistent. However, when I have MP3s that are external to iTunes, then try to add via File Add Folder to Libary, iTunes creates 2 copies of the file in the iTunes folder - one with the original song name and another with the original song name followed by the number 1. Here is what I thought would happen, and I hope is possible: 1) Click File Add Folder to Library 2) Select folder external to iTunes 3) Click OK 4) iTunes creates a clean new folder in the iTunes Music directory with exactly 1 of each file 5) Only 1 of each song is shown within iTunes Is this too much to ask? I am not an iTunes fan at all after 2 years dealing with the poor programming of this application. I hope someone can help me find the faith...

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• How to backup blog running on posterous.com

  - by Martin Vobr

  I'd like to backup content of my blog which is powered by posterous.com. I'd like to save all texts and images to the local disk. Ability to browse it offline is a plus. What I've already tried: wget wget -mk http://myblogurl It downloads the first page with list of posts, then stops with "20 redirections exceeded" message. WinHttpTrack It downloads the first page with redirection to the www.posterous.com home page instead of real page content. Edit: The url of the site I'm trying to backup is blog.safabyte.net

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• How to install a wiki server

  - by gvalero87

  I would like to install a wiki on my server so I can let people I know to edit documents. So, I don't wan it to be as open as wikipedia. I would like something as google docs (the thing is google docs doesn't handle images and tables on documents very well), doesn't have to be in real time as google does it. The first thing I noticed looking over internet there are different solutions. Maybe what I'm looking for is the easiest one to install. If a want to use the wiki technology don't have to much time investing on errors. Thanks for your opinions

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• Which is better for running Ubuntu and other Linux OSes, Chromebook or Windows, why? [on hold]

  - by Serge

  I'm learning programming and I would like to switch to a Linux OS, perhaps Ubuntu, to continue this, but the current machine is generally getting pretty old and slow and Windows is the least favorite option for production, and I can manage getting something new right around the price range of the nicest Chromebook on the market right now. However, I have compared specs of HP Chromebook 14 with those of regular PC laptops that roughly cost the same, and the latter consistently have approximately the same and sometimes higher (like the processor speed) specs. Yet usage of Chromebooks for this purpose is pretty widespread nowadays. Is this because they were initially built for a Linux OS - and is it really THAT crucial - or are there other major factors at play here?

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• Windows 2012 Server Hyper-V: Cannot see LAN

  - by Samuel

  I have one NIC on the machine loaded XP on the Hyper-V and had chosen the network as virtual switch. No LAN and no internet shows up on the client. Am I missing something? it used to work in 2008-R2. Details: One network card on machine (Qualcomm Atheros AR8131 PIC-E Gigabit Ethernet controller) The virtual machine hard disk is pointing to and existing XP-SP2 hard disk created using VPC 2007 The Virtual machine Network Adapter is setup as Virtual Switch to the real ethernet controller with Enable virtual LAN identification set to 2 (no other virtual machine is created in the system) After the virtual machine boots LAN shows empty in Control Panel Network Connections (this is XP client) and I also cannot access the internet. XP is showing activation prompt but as far as I know it should not disable the network! Virtual network switch is set to External

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• How have you saved green by going green?

  - by Bob

  For the purpose of this question, I am interested in server/datacenter related hardware. Have you had any measureable amount of ROI by swapping existing hardware to more "green" or energy efficient hardware? For example, VMWare says you can reduce energy consumption by up to 80% by using virtualization. I have also heard of a cooling solution from HP which is suppose to reduce a small amount of engery usage (<25% I think). Google has also done something by integrating a UPS into their power supplies to reduce energy consumption. Any real world experiences would be great, but if you have any details on initial cost, savings and pay off time about what changes were make that would fantastic. I am not only interested in virtualization, I am interested in anything.

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• yum / rpm / make | When to use which one

  - by Saif Bechan

  I am new to Linux and am running CentOs. When I want to update or install certain software I came across three ways. Sometimes it's: yum install program rpm -i program.rpm wget program.tar.gz unpack ./configure make make install That last one is a real pain, esp when you come from windows where a program install is usually one click and then a nice guide. Now can someone please explain to me: Why are there so many different ways to do this? Which one do you recommend to use and why? Are there any other ways for installing programs?

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• What is the equivalent of 127.255.255.255 for OS/X machines so I can test broadcast udp packets without a network?

  - by JohnPristine

  I am trying to test my program that makes use of broadcast UDP (not multicast!). In Linux, I can use the 127.255.255.255:64651 address and everything works beautifully, in other words, I send a packet to 127.255.255.255:64651 and multiple clients listening on that port get the packet. A real broadcast example! Unfortunately on my OS/X machine (Mountain Lion) the same example does not work. Is there any way I can get 127.255.255.255 to work on mac machines? Any other solution to get broadcast working on my mac machine without a network? Note: It has to be broadcast, not multicast.

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• What type of VPS stats should I look for?

  - by Dave

  I have a few websites that average a total of 10,000 uniques a day across my network. I also have a few mobile apps that pull xml data maybe 5,000 calls a day. My sites aren't anything major just a few wallpaper websites and few other small sites, nothing real database intensive. I currently own a dedicated server and I feel like it's overkill for my network. I'm looking into getting a Virtual Private Server (VPS). I was just wondering what kind of stats I should be looking for to support my network of sites. Thanks

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• Using Ctrl-Tab to switch between tabs in Mac Terminal.app

  - by dkee

  How can I make Ctrl-Tab and Ctrl-Shift-Tab switch between tabs in Terminal.app on a Mac (OS 10.4 and 10.5 specifically)? This is how I switch tabs in Firefox and Aquamacs, and Command-Shift-[ and Command-Shift-] is too awkward to me. I am aware of this related question: .../unable-to-switch-a-tab-efficiently-in-macs-terminal* And hence the Keyboard Shortcuts section of the System Preferences, but the dialog box for Keyboard Shortcuts doesn't seem to accept Ctrl-Tab in the Keyboard Shortcut field. Is there a special keyboard sequence for inputting tabs (with modifiers) into a dialog box field on a Mac? Is there any other method that would allow me to customize Terminal.app in the way I desire? Not really a programming question, but I think the answer would be useful to other folks that program on Macs and would like to have some consistency between interfaces of different applications. Thanks! * Couldn't add the hyperlink as a new user

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• When trying to copy a virtual disk in VMware vSphere client, I get an errror.

  - by Zak

  I'm pretty new to all the VMware world, so this is probably mainly a question about the right set of documentation to look at. I'm trying to clone/copy a VM that I installed on an ESXi installation. I was trying to follow along with the top example here: http://serverfault.com/questions/16320/is-there-a-way-to-clone-an-existing-vm-on-an-esxi-server-without-having-to-re-imp However, I'm using the vSphere client to connect to the ESXi box and manage it, and the vSphere client is telling me it won't let me rename the vmdk file. The real answer I want is how do I clone the VM I installed if I want to spin up 5 copies. Is there another utility I can use to copy the vmdk file, then create a new virtual machine using it? Any idea why they nerfed the feature in vSphere client?

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• Windows Server 2008 R2 64bit Screen Frozen and Remote Desktop Freezes but Server Continues Working

  - by Jacques

  I've asked this question a couple of times but I don't seem to be getting any real answers. We have a SBS (Windows Server 2008 Rc) server and suddenly the screen has started freezing. Even when we go into the system via remote desktop it worked once or twice (since the problem started), but now the RDP screen freezes once it gets just past the Welcome screen. The server itself is running, SQL is working, Exchange is working, file share is fine. It's just the UI that isn't working. We've tried hard resetting and that works for a short while before the problem comes back. Where do we begin to resolve this issue? Thanks, Jacques

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• Is it possible to export Windows event logs from multiple servers to a non-windows host, without running event manager on each of the Windows servers?

  - by Taylor Matyasz

  I want to export event logs from Windows to a non-Windows host. I was considering using Logstash, but that would seem to require that I install and run Logstash on each server. Is it possible to do this without having to run it on all of the servers? I am hoping to be able to consolidate all of the information from different servers to make searching and reporting much easier. If not, what would you recommend is the best way to export to a non-Windows host in real time? Thank you.

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• Which FLOSS text editor is most like kwrite without being KDE-based?

  - by darenw

  Among text editors on Linux, I usually prefer KWrite. I like that I can quickly turn on/off line numbers and line wrap in the View menu. Other settings are easy to change. Other text editors I've used in the past, such as Gnome's gedit, bury line numbering and wrapping checkboxes deeper into the menu system, making it more distracting to change while concentrating on real work. However, KWrite is a KDE app. On Ubuntu it drags in over a dozen other packages, which I suspect I don't really need. Why would a text editor need all that? It's slower to start up than some other editors I've tried. I'm also trying to run an all-gnome system w/o any KDE, just to see how far I get with it. So, what GUI text editor isn't KDE-based, has few dependencies and quick start-up, easy to change line wrap and numbering, and general similarity to KWrite? What comes closest?

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• Windows file compare (FC) spurious differences

  - by user165568

  I'm getting differences like this: a.txt Betty Davis Cathy Edwards b.txt Betty Davis Cathy Edwards There are only two lines listed in the diff (which doesn't make sense). No CR/LF/Newline funnies. The difference just moves down if I delete lines. Same problem on Win7 and Win2K. The difference seems to go away if I remove all empty lines from the files. The empty lines are correctly terminiated too. Using /C /W (ignore case, ignore whitespace) Has anyone seen this before? What am I doing wrong? How can I fix it? There are real diffs in the file -missing, extra, or re-spelled names- but the files are byte-for-byte identical at the listed diff.

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