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• Difference between two ways of installing tomcat as a service (Linux)

  - by varesa

  I am installing tomcat on a linux server, and would want it to be available as a service. I have found two different ways to achieve this. The first one is to copy the daemon.sh from $CATALINA_HOME/bin to /etc/init.d, and the other one I have seen is to create a simple init script that class $CATALINA_HOME/bin/startup.sh, etc. Startup.sh calls catalina.sh. The contents of the daemon.sh and startup.sh look very similar (at least for the env variables, and stuff like that). Daemon.sh calls jsvc in the end. Catalina.sh calls java. What is the (practical) difference between using the two of these when setting up tomcat as a service?

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• Good TN3270 for MacOS? (Mac OS X Snow Leopard)

  - by Bbrado

  I need a good TN3270 emulator for the Mac that supports file transfers to TSO/ISPF (IND$FILE) and 132 char wide screens. Min 132x27 (3278-model-5), better even user defined size like 132x43. So far I've tried TN3270 (no file transfer) and X3270. Besides being an X11 app, unfortunately x3270 does not handle oversize screens correctly and Mocha only has a TN5250. So, what's the TN3270 of choice on the Mac (or how at least do I get x3270 to handle 132xSomething in ISPF correctly, e.g. SDSF Job-Class list)?

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• Setup Web Applications on Cisco ASA 9.1

  - by Scott

  I've been looking around the Cisco ASA administration screen with our network admin and haven't found the location where Web Applications can be setup. This seems like it should be a pretty straight forward procedure, especially if I just want to add a global application and not segment out by groups. I've looked through the docs, but they are a mess and answer most questions except for this. If you're going to post a RTFM answer, at least please provide link and location because I have looked. This is the location I'm looking to setup web applications on the clientless web VPN.

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• What power cord does a WD16001032 hard drive use?

  - by llcf

  I have a Western Digital 160GB My Book USB external hard drive (WD16001032), but I can't find its power cord (or, at least, figure out which one it is in my box of cords). It might be that only one power cord would fit, but I'm a bit cautious since I just tried one of the cords with a router and could smell electronics burning when I used an incorrect one. What voltage/amps are needed for this drive? I can't find specs on Western Digital's site. I'm assuming this is due to it being an older drive.

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• Home router for higher network loads

  - by Zizzencs

  I'm trying to find a replacement for my ASUS WL500GP router. Some constraints: my ISP now provides 120 Mbit bandwidth - the router must be able to handle it I have 3 computers and a laptop at home - the router must have at least 4 LAN ports and the WAN port I need to be able to do the following in parallel: use bittorrent with ~1000 connections transfer files from one home computer to another at high speed access one home computer from my workplace I don't really need wireless I don't really want two boxes to serve all these purposes. So I was searching for a router with 1 Gbit ports, jumbo frame support and good reviews, but haven't really found a promising candidate so far. Any suggestions?

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• Why are the prices for broadband bandwidth at data centers much higher than consumer/small business offerings?

  - by odemarken

  The prices for broadband bandwidth at data centers are sometimes as much as 10x higher than for a typical small business/consumer connection, at least where I live. Now, I understand those are two differend kind of products, but what exactly are the differences? Is it mainly because the bandwidth you get at a data center is guaranteed (CIR), while a consumer offer lists maximal bandwidth (EIR/MIR)? Or are there other factors as well? (Note: my previous, much more specific question on the same general topic was closed as not constructive. I tried to extract the core issue and present it in a way that can be answered objectively. If you feel that this question is still bad and should be closed, please care to comment and explain why.)

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• Can I move a copy of Windows 7 from one machine to another?

  - by Chopper3

  This is a pretty basic question sorry but I've looked in the 'related questions' and couldn't find an answer. When Windows 7 came out I bought a copy of Home Premium, the retail box with both 32 and 64 bit versions, to install via Boot Camp on my macbook. I've just got a retail (32 and 64 bit) copy of Windows 7 Ultimate that I'd like to install instead-of/over the Home Premium version and it struck me that I should, at least in principal be able to install the Home Premium version on my son's machine - is this the case and if so is there anything I should do first or once they're installed to let MS know I'm being a good guy about this? Sorry it's such a dim question but I'm a serverfault guy really and know very little about Windows. Thanks.

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• Fixing fill-paragraph with comments in Emacs 23.2.1

  - by Silfheed

  I just upgraded to emacs 23.2.1 when I finally upgraded to ubuntu 10.10, but the first thing I noticed is that fill-paragraph (M-q) doesnt work nicely with comments anymore or at least do not work the way they did in emacs 23.1.? that I had before the upgrade. The main issue is that if I have a commented line such as //This is a long comment to illustrate an issue I have with emacs lorem ipsum and then do fill-paragraph (M-q) afterwards, I get //This is a long comment to illustrate an issue I have with emacs lorem ipsum whereas I should get //This is a long comment to illustrate an issue I have with //emacs lorem ipsum I've killed my .emacs file to try and narrow down where the issue is popping up, but this still pops up even in vanilla emacs.

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• Not getting my normal internet speed but my other computers can?

  - by Dennis

  I have Comcast Xfinity and I cannot reach anywhere near my promised speed. My family desktop which is hardwired into the router reaches to 60Mbps and so do my parents computers and my brothers. I cannot seem to get anywhere close to it, I know with being wireless I won't reach it, but I should at least get somewhere close. I can only pull 6Mbps and thats terrible for what I should be receiving. Any clue what could be wrong here? Edit: I have 100% signal and I'm not behind any walls

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• "private" directory not accessible in Apache

  - by janeden

  The directory private lives under my DocumentRoot, and despite its name, it should be accessible just like any other dir. But if I add the following RewriteRule to httpd.conf: RewriteRule ^/([^\.]+)$ /$1.html [L] Apache returns 403 for http://server/private/2201. The error log states client denied by server configuration: /private/2201.html If I then rename private to foo, or if I request 2201.html directly, the file is served: 127.0.0.1 - - [21/Nov/2011:10:24:45 +0100] "GET /private/2201 HTTP/1.1" 403 214 127.0.0.1 - - [21/Nov/2011:10:24:58 +0100] "GET /foo/2201 HTTP/1.1" 200 3068 127.0.0.1 - - [21/Nov/2011:10:27:39 +0100] "GET /private/2201.html HTTP/1.1" 200 3068 This is confusing. Is there any special rule for directories named private? If so – why does the direct request for 2201.html work (although the denied request seems to handle the same resource, at least according to the error log entry)?

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• Most efficient hard drive configuration for multitasking system

  - by user99391

  I hope I didn’t screw up the tile. Currently I’m using for my system 2x500g Raid0 system. I’m thinking about an upgrade but I got hold up by few questions. I need at least 100-120 gb for my system and apps and looking for a technological upgrade also. I've end up with 3 choices. Single 120 ssd (sata 6 drive) 2x60 ssd drives, but I've heard it's not possible. PCI ssd drive (~120gb). They all have very similar read/write values and prices but I was wondering if anyone could give some tips on which way to go. I run win7x64 and do a lot of multitasking(especially adobe stuff).

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• Windows 7 system CPU bogged by windows services, no explanation

  - by Alex

  I'm looking at a laptop for a colleague which is running terribly slow. A quick look showed that the CPU was 100% used by 2-3 SVCHost processes, which off course doesn't tell much since those are just 'cover' processes with services running underneath them. So I fired up process explorer in hopes of finding a shady rogue service which was bogging the system, but to my suprise I found genuine MS Windows processes (or at least damn-good disguised ones) are bogging down the system: dnscache (DNS Client) IKEEXT (IKE and AuthIP IPSec Keyring modules) iphlpsvc (IP Helper) Seen separately, these processes might seem odd to be using a lot of CPU, but taking a step back one can conclude that all three services are quite closely related to networking. I've tried running: netsh int ip reset log.txt which has helped me save bizarre network-related problems in the past, but this didn't help Off course I though about a virus, but both MS Security Essentials as well as malwarebytes (let both run a full scan).

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• Windows 7 Mapped Network Drive Multiplying to Create Duplicates all the way to Z:

  - by bendiy

  A strange issue came in today from some users. At least two Windows 7 x64 boxes that have duplicate mappings of a network drive. The drive is not mapped with a log in script, but done manual through "Map Network Drive". Everything has been fine for months, but all of the sudden, Explorer looks like this: Files (\\fileServerPath) (S:) Files (\\fileServerPath) (T:) Files (\\fileServerPath) (U:) Files (\\fileServerPath) (V:) Files (\\otherServerPath) (W:) Files (\\fileServerPath) (X:) Files (\\fileServerPath) (Y:) Files (\\fileServerPath) (Z:) There are some other networks drives mixed in there that did not duplicate. The drive is normally mapped to S:\, but it decided to make its way to Z:. What is going on here? I've found this and will be trying soon: http://social.technet.microsoft.com/Forums/en/w7itpronetworking/thread/b5647cc3-15d0-4776-bb00-a869bd8f930b

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• How to reduce the pain of the command prompt

  - by Adam

  I want to learn to use the command prompt better on Windows to have more control over what I do and just for the learning experience. The main annoyance I have right now is all of the typing. If I want to perform an operation on a file with a large path I'm sitting there typing it out for a minute at least, and if I make a mistake I have to press the up arrow key and scroll through the entire thing and find what I did wrong. Is there any tools to make this easier?

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• High Availability Clustering and Virtualization

  - by tmcallaghan

  I'm trying to understand how the various virtualization vendors (specifically Amazon EC2, but also VMware and Xen) enable software vendors to provide a real HA solution in the environment where the servers are virtualized. Specifically, if I'm running any HA application (exchange, databases, etc) I need to ensure that my redundant virtual "servers" aren't located on the same physical server. Using in-house virtualization solutions (VMware, Xen, etc) I can provision accordingly as well as check the virtual - physical arrangement. I could, however, accidentally "vmotion" to the same physical hardware. With EC2, I don't even have the ability at provision time to select different physical servers. Since their Cluster Compute Instances are 1 virtual server per physical server it seems to be the only way to guarantee I don't have a false sense of redundancy. Any ideas or thoughts would be helpful. What are others doing about this problem? If the vendors provided an API where I could get something as simple as a unique physical system identifier I could at least know if I'm going to have an issue. -Tim

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• Dead USB flash drive

  - by Unsliced

  So a friend has come to me with a problem. They have a dead USB thumb drive which no longer responds when plugged into a machine. I've tried it in a Mac and it doesn't even respond, at least on a Windows XP machine it sees that it is there but can't show it in explorer, just that whatever is plugged in has malfunctioned. There is obviously current because the activity light on the drive illuminates. I'm looking for suggestions, please. I have access to Mac or Windows hardware and am happy to experiment (and even to pay if the solution works!) It's a bit late to recommend regular backups, but in the lack of that, what's the next best forensic advice? Edit: I should stress that, if possible, we're trying to rescue the data, after all, thumb drives are basically disposable and hardly worth the bother if there's no emotional or functional reason for wanting to rescue it!

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• What happened to WinFS?

  - by Console

  The most interesting feature that was ever connected to what eventually became Vista was WinFS, a revolutionary (so it seemed, at least back then) new way of storing and accessing information on a computer. This feature was cut despite actually reaching a closed alpha/technical preview release. There was a smoke and mirrors blog post from MS about the technology living on in an upcoming SQL server release, but to me it just felt like it was axed, hard. Does anyone have any idea what happened to it? Is it killed, or just on the backburner? Was it just impossible to implement, too expensive, or did someone think of a better idea? Are there any projects (From MS or anyone else) that have similar goals?

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• Most effective way to change Linux command prompt for all users?

  - by incredimike

  I have several machines and the hostnames are really long.. i.e. companyname-ux-staging-web1.companyname.com. So my prompt looks something like [root@mycompany-ux-staging-web1 ~]# I'd like to shorten that up for all users on all machines with the least amount of work. From what I read I have a couple options, but they all have their drawbacks. I could change the hostname, but that would likely affect applications. Not a great choice. I could alter also $PS1 at login for all users by editing all .bashrc for existing users, and edit /etc/skel/.bashrc for potential new users. That's a lot of work across 10 machines. What's my best option or what have I overlooked?

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• Excel DataFlow UML Viewer/Navigator/Visualiser tool/ hint

  - by Arjang

  Not sure what to call it but, is there a birds eye view tool for excel to show the data flow between excel sheets/cels etc? I have inherited some huge reports and looking at each cell to see where it's data comes from or what sheet/cell dependencies it has is a nightmare. Or even just something with excel that show the dependencies within a sheet of cells to each other etc. Or Any other visualization tool that can show the data flow between cells ( I tried visio but it seemed it is only for making diagrams of data not the data model of excel itself ). Or at least if I am within a cell and see a formula referring to other sheets and cells, is there a quick way to navigate there and back? Like code navigation in VS? Thank you for your help

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• Can I rent exclusive time on a powerful server running linux? [closed]

  - by Mark Borgerding

  My company is involved in a proposal that requires speed estimates of our software on a server with the latest & greatest processors. This is not the first time we've been in this situation. The servers themselves are too expensive to buy a new one every time, so we end up extrapolating from what we have. There are so many variables: processor generation & speed, memory speed, memory channels, cache configurations; it makes extrapolation difficult and error-prone. Is there a business that rents time on the newest servers? At least part of the time we'd need exclusive access to an otherwise quiescent system either via ssh shell access or unattended batch jobs. I am not looking for general cloud computing services. I don't need much time on the server, but it needs to be exclusive. And the server needs to be pretty cutting edge for a solid basis of estimate.

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• Video streaming over multi display units

  - by ramdaz

  We have to share video across around 4/8 terminals at a public facility where we need to display live video from within the facility, as well as display messages(advertisements), and also play videos(not live) which need to be controlled centrally from another location. We can do central location handling over Internet, over ssh. What we want to do is connect cameras to a computer, and use the computer to display over multiple display units. We need to do live titling if possible. Once the live local telecast which usually takes about an hour or two a day, we would like to play other videos locally off the PC server. Preferably everything should run off Linux, since budgets are very constrained.... Addendum -- Its not over WAN, it's over a local area. I prefer not using LAN, we would rather use co-axial cable if possible. The reason is if it's LAN, I need some kind of an Networking device, at least a thin client

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• Does a modern PC require a graphics card to run?

  - by ArtM

  As I can remember, on old systems (Pentium II or III) it was not possible to boot and run the PC if the graphics card was missing (AGP cards were used in those days). Many years from then, I'm using motherboards with integrated graphics and I have no experience related to this subject, the "graphics card" always was present. Currently I intend to build a home/private "server" for my purposes and most of the motherboards I want to buy have no integrated graphics (AMD 870 or 970). I can take a normal graphics card from my firends for a few hours/days and use it when installing the necessary software. The question is: can I boot and run the PC without problems after I install everything I need and the graphics card is removed? if a general answer cannot be given, at least some examples of manufacturers/MB series/MB models will be helpfull I think it's obvious, but for completeness: I mean cheap desktop components, not real servers.

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• Would SSD drives benefit from a non-default allocation unit size?

  - by davebug

  The default allocation unit size recommended when formatting a drive in our current set-up is 4096 bytes. I understand the basics of the pros and cons of larger and smaller sizes (performance boost vs. space preservation) but it seems the benefits of a solid state drive (seek times massively lower than hard disks) may create a situation where a much smaller allocation size is not detrimental. Were this the case it would at least partially help to overcome the disadvantage of SSD (massively higher prices per GB). Is there a way to determine the 'cost' of smaller allocation sizes specifically related to seek times? Or are there any studies or articles recommending a change from the default based on this newer tech? (Assume the most average scattering of sizes program files, OS files, data, mp3s, text files, etc.)

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• Replacing GRUB2 with Windows boot loader

  - by KovBal

  I'm trying to replace GRUB2 with Windows' standard boot loader (bootmgr?), but I can't get it to work. My Windows 7 install is in a single NTFS partition, which is marked as active (boot flag is set). First, I tried the automatic repair with the install disk, but it didn't detect any problems. Then I ran bootrec /fixmbr and bootrec /fixboot, but all I got was a black screen at boot with a blinking cursor. After that I created a boot partition for GRUB2, I figured, at least I can use it to chainload, but it give me a "disk reading error". If I used GRUB's ntldr loader, than I got error 0xc0000225 (some sort of BCD error). I tried to rebuild the BCD from the rescue environment, and it was successful, but the error didn't go away. Update: I've tried to rebuild the BCD, but nothing changed...

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• excel autocomplete combo-box with on-selection event

  - by IttayD

  I have an excel sheet for groceries. One column is the name, another is whether to buy it or not (checkbox) and another is the amount. I'd like to have a widget in the top row so that I start typing an item's name and it shows a list of matching items that I can select from, or if I continue to type and there's only one item, completes its name. When the last item is selected, other widgets show the amount, which I can edit and clicking 'check' will check the item in the list. I know this is kind of very specific, but am hoping someone can at least get me started. Thank you, Ittay

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