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• Java application not starting in Tomcat, Plesk 9 server

  - by netagence

  Hi I have a Plesk 9.3 CentOS 5 server on which I installed the addon to have Tomcat functions. One application I have uploaded appears in the Plesk Tomcat user panel but with a yellow exclamation mark and the error "Actual status of the application does not correspond to the status retrieved from the database". The app therefore does not run, while other uploaded test .war applications do. The server runs Tomcat tomcat5.5.23-0jpp.7.el5_2.1 which matches the requirements for the required app according the the company that made it. While searching for the solution I could find all 3 uploaded .war applications in /usr/share/tomcat5/psa-wars/domainhere.com/ but they do not seem uncompressed there even though 2 of them run fine. Not enough Tomcat / Java knowlede to go on... Any idea to help me here ? Best regards.

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• Encryption over gigabit carrier ethernet

  - by Roy

  I would like to encrypt traffic between two data centres. Communication between the sites is provided as a standard provider bridge (s-vlan/802.1ad), so that our local vlan tags (c-vlan/802.1q) are preserved on the trunk. The communication traverse several layer 2 hops in the provider network. Border switches on both sides are Catalyst 3750-X with the MACSec service module, but I assume MACSec is out of the question, as I don't see any way to ensure L2 equality between the switches over a trunk, although it may be possible over a provider bridge. MPLS (using EoMPLS) would certainly allow this option, but is not available in this case. Either way, equipment can always be replaced to accommodate technology and topology choices. How do I go about finding viable technology options that can provide layer 2 point-to-point encryption over ethernet carrier networks?

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• Activating Windows 7 generates error code 0xc004F061

  - by Jon

  I got a new SSD and wanted to start over with Windows 7 on that disk. I did a clean install (my mistake) on the SSD and just went passed the activation part (left the key blank). Now that I have my system all setup, configured, files pulled back from backup, and ready to go, I'd like to activate Windows 7. However, I now get this error: The following failure occurred while trying to use the product key: Code: 0xC004F061 Description: The Software Licensing Service determined that this specified product key can only be used for upgrading, not for clean installations. Do I really need to wipe my system again, install Windows Vista, and then do the Windows 7 upgrade in order to use my upgrade key? Is there some kind of work around?

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• How can I mount an image from an external HDD to a partition within the host system?

  - by HardwareMuch

  I'm currently using Acronis True Image Home 2010 and I have created an image of my Windows 7 OS. I copied it to my external HDD and I repartitioned my other PC's HDD. The primary partition houses the Windows Xp system which also has Acronis installed. The new partition is logical. Whenever I try to go through the steps on "Clone Disk" the program would not let me select a destination drive if I choose the external HDD as the source. I also did not know that it you can only select disks instead of partitions as a source or destination. Any suggestions would be greatly appreciated. Thanks.

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• My notebook goes offline automatically after some time

  - by air

  I have about 3 computers and 1 windows 2003 server in office and 1 network printer (HP LJ 2840). My network printer is installed on the server. I an sharing this printer on all clients with windows XP. All other computers are fine only 1 HP laptop. When I start that HP laptop the printer works fine but after some time, printer goes offline and I can't print until I restart the laptop. When that laptop goes to offline mode, I can work on that laptop, I can use shared network drives, I can ping server but it shows offline mode icon in Task bar status area. If i use \\servername I can see the server's shared items and if i go to printers I can't see any printer... I try my best to solve this issue, but I can't. Thanks

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• How can I retrieve data from a Western Digital Passport External Disk which is not getting recognized but getting shown as healthy in Device manager

  - by Rabimba Karanjai

  When I plug in this external harddisk It is not getting shown in the My Computer. But it gets shown perfectly well in the Device Manager When I go into the Computer Administrative panel and into the disk manager it asks me to initialize the disk Now when I try to initialize it, regardless of the method I try it shows me an error "Incorrect Function" As you can see windows tells me it is working properly. Is there anyway I can retrieve data from this?/access it? I have googled and it seems to be a frequent problem with WD drives. Anyone has any solutions on how I can get the data back?

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• Router used as ethernet bridge wont show up

  - by user1255271

  I have a Netgear router in my living room that has the wireless signal. It is connected to a Powerline plug that goes up to my bedroom. That is plugged into another router that is used as an ethernet hub. It's cables go into my PS3 and my server. The second router shows up as a hidden network on my laptop, and I can connect to it. But it is not listed as an attached device on my main router, and my laptop says that it connects straight to the main router, not the second one. How can I connect to this router? Aside from swapping the two? Thanks in advance.

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• Is it possible to impersonate another WAP by intercepting communication with other client?

  - by OSX NINJA

  There is a well known WAP that lots of people use. Someone comes in with a laptop equipped with a sniffer. The laptop sniffs people trying to log on to the WAP. It intercepts the connection, and when people try to log on to the WAP, they unknowingly log on through that person's laptop instead. All communication between the WAP and people's laptops go through that person's laptop. That person's laptop is able to block access to certain websites that the WAP would normally allow.

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• Completely formatting a USB flash drive

  - by efcjoe

  I have a Verbatim Store 'n' Go drive which by default comes with software in a partition which password protects the drive. I want to erase this partition, as it only works on Windows (I'm having to look at it now through a virtual machine on my Mac). I've tried using KillDisk to totally wipe the whole thing, but it doesn't seem to work, and this password-protecting partition always remains intact. Is there any program which will completely wipe a flash drive, no questions asked? Or is there a way to do it through the Verbatim software? I have the password and everything, I just can't find a way to fully format it. Cheers.

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• Reverse lookup of inode/file from offset in raw device on linux and ext3/4?

  - by lilinjn

  In linux, given an offset into a raw disk device, is it possible to map back to an partition + inode? For example, suppose I know that string "xyz" is contained at byte offset 1000000 on /dev/sda: (e.g. xxd -l 100 -s 1000000 /dev/sda shows a dump that begins with "xyz") 1) How do I figure out which partition (if any) offset 1000000 is located in?(I imagine this is easy, but am including it for completeness) 2) Assuming the offset is located in a partition, how do I go about finding which inode it belongs to (or determine that it is part of free space) ? Presumably this is filesystem specific, in which case does any one know how to do this for ext4 and ext3?

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• How can I set up an FTP user with a home directory inside another user's home folder?

  - by simon180

  Hi I have an Ubuntu (Hardy) server which I am using to host multiple websites. All of the sites are stored in subfolders of a public_html folder for my main login to the server and accessed via a single SSH account. I now have a website user who wants FTP (or similar) access to enable them to upload various files etc to the directory where their website is situated, however I still need the SSH account to have access to this directory as I may need to make changes using my master account. Basically I want to create an FTP account (I have VSFTPD installed) for a user with the home directory inside my own user account but they should only be able to read/write to this folder or its subfolders but not go further up the directory tree. How can I achieve this? Thanks

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• How to route local traffic over switch?

  - by Franz Kafka

  I'm just cabled up at home but haven't got any way of verifying that gigabit speed can be reached. As I've only got one laptop with one network card, one cable, and one switch, I'm kind of stuck. I'm using a tool that you can start as a server or as a client to send data from one box to another. I would like to send and receive on the same Windows box. I guess if I use my network local IP address, my Windows 8.1 PC will just route traffic internally. Is there some way of forcing the traffic to go to the switch and back again?

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• Logging violations of rules in limits.conf

  - by PaulDaviesC

  I am trying to log the details of the programs that where failed due to the limit cap defined in the limits.conf. My initial plan was to do it using the audit system. The idea was to track the system calls related to limits in the limits.conf that where failed. However the problem with this approach is that , it is not possible to track the violations of cpu time, since that violation do not involve failure of system calls. In the case of CPU time , one thing happens is that the program which violated the cpu time will be delivered a SIGXCPU. So my question is how should I go about logging the programs that violated CPU time? Also is there any limits.conf specific logs available?

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• WDS (Wireless Distribution System) not work

  - by xdevel2000

  I've a dlink di-524 as main router (192.168.0.1) connected to Internet and a second router (192.168.0.2), a tplink wr841n, with WDS enabled and correctly configured to "join" with dlink. After I connect via wireless a laptop (192.168.0.100) to tplink and both work good but with the laptop I can't go to Internet. It seems as WDS not work. With the laptop I can only ping the tplink but other ping (the dlink or other LAN computer not responding). What's the problem? Perhaps also the dlink must have the WDS option? Thanks.

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• How do I install yum on Redhat Enterprise 4?

  - by Bob Cross

  For historical reasons, one of the machines that I manage has a Redhat Enterprise 4 boot disk (among others). Every now and then, we have to boot into RHEL4 to bring up some of the legacy software that we support and connect to. Since it's a fringe system, the Redhat support has long since lapsed and I can't convince myself that it would be worth paying just to get RPMs that I can go and get for myself. That said, the default RHEL tools are heavily biased against letting you do exactly that. I would like to install yum and use that as my package discovery and installation. So, is there an installation guide to integrating yum with an older RHEL 4 system?

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• Determine display or VNC session based on PID

  - by Daniel Kessler

  I frequently VNC into a server where we run many concurrent computationally intensive matlab processes. Sometimes, one of my processes misbehave, which I can see from top, but I have a hard time figuring out which VNC session it's running on, or more specifically, which display it's running on. Suppose I see that PID 8536 looks like a resource hog, and I want to investigate. Because it's a matlab session, I know there is likely an IDE open somewhere, and I want to check to see if anything important is happening before I kill it. We've solved this somewhat awkwardly in the past by identifying which PTY 8536 was launched from, then looking at a process tree to figure out things launched in that context, scrolling up, and seeing the VNC initialization. Seems like there must be a better way to go PID - X Display (or VNC Session).

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• Ubuntu, connecting to WLAN

  - by Holly

  Hello, I successfully installed Ubuntu onto my usb hard drive. However, I'm not sure what the issue is with my internet. I'm not familiar enough with ubuntu to know whether this is a problem with recognizing my wireless card or with my internet, etc. So I suppose my question is, how do I tell whether it's recognizing my wireless card? (Network manager isn't showing any wireless signals, though I wasn't sure if it was supposed to. ) And, if it's not working, how do I go about troubleshooting that issue? Thanks!

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• Filling up bounded form with information from another table while creating new record

  - by amir shadaab

  I have an excel sheet with information about each employee. I keep getting new updated spreadsheet every month. I have to create a database managing cases related to the employees. I have a database and the bounded form already created for the cases which also contain emp info fields. What I am trying to do is to only type in the emp id in the form and want the form to look up in the spreadsheet(which can be a table in the cases db) and populate other fields in the form and that information can go into the cases db. Can this be done?

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• Setting http_proxy for Chromium in shell

  - by iceboal

  In order to set proxy in Chromium browser, one needs to go to Settings ? Under the Hood ? Change Proxy Settings ? Network Proxy. It's too complicated. How do I set http_proxy in shell? I've tried export http_proxy=http://127.0.0.1:8080/ But it doesn't seem to work. Also, if you only want to set the proxy on the Chromium browser -- not your entire network -- the command line is the only way to set the proxy just for the browser. How can one set the proxy on Chromium -- using the command line -- to solve this problem?

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• New folder doesn't appear in Finder

  - by rxt

  Many times I have the following problem. I create a new folder, but it doesn't appear in the Finder. Right now I have this problem with a folder created in Eclipse. After a while it appears, but I cannot tell when. I can see the folder in the terminal. A similar problem happens when I rename a folder or file. Then I have to move out of the parent folder, open another folder, go back, and most of the time it's there. (Finally the new folder appeared after creating another folder in the finder itself.) I'm using 10.8 Mountain Lion now, but this is not a problem of this release. I have this problem for several years now. Maybe I'm the only one with this problem? Is there a way to get this working normally?

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• Windows 7 random black screen when idle

  - by Omar

  Occasionally, when I'm away from my computer for about 5 minutes, the computer screen will go black and all USB devices (keyboard/mouse) will lose power. Attempting to move the mouse or pressing keys does not 'wake up' the computer. This only started happening a few days ago but I'm not sure what changes I did could have caused this and I uninstalled programs (one by one) I installed before it started happening, but still having the same issue. The one thing I noticed different about my computer since it started happening is i've been getting random survey popups from www.insightexpress.com. I ran Microsoft Security Essentials scan, it picked up some Java related malware, I removed it but still the same issue. I'm running MBAM right now and will run SAS after. Edit: I just updated drivers for motherboard and video card and ran virus scans, still having the same issue.

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• Network DFS Shares Jumping Back To Root

  - by Taz

  We map several network drives to DFS locations via a logon script. Recently we've had a number of users complain of a very unusual behaviour when navigating these shares. They will be going through folders and will get 'rubber-banded' back to the root of the share. This will happen for a few minutes and then go back to behaving normally. The users are on Windows 7 and the fileshare is on Windows Server 2K8R2. Any idea what could be causing this annoying behaviour?

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• Creating user accounts in Amazon EC2

  - by Tvanover

  I am putting together a test environment using Amazon's EC2 for me and some friends to collaborate on a project. I am not a server guy but I do know my way around a bash prompt and have done some work on ubuntu before. I am using Amazon Linux AMI i386 EBS and have gotten apache and php running. Now I need to create the user accounts my friends and I will use to upload files (sftp) and work on the project (ssh). How should I go about this? Should I just use adduser and configure it like normal? Or should I use the AWS IAM groups?

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• SharePoint Calendar - Start time after a certain hour

  - by KodovaKim

  I am working with SharePoint Calendar list to create a shift schedule for a team (End user side of things, I am not writing code). I have added a few custom columns to the Calendar List Item. I have the list exported to excel where I have a Pivot table set up so I can see a summary of the different columns - I can see the person's name (From the title column), total hours they are scheduled for (separated into weekdays and weekends based on a custom column I added). What I need is a way to check the start time of the shift to determine if it is a Day shift (starts at 7am), Eve shift (starts at 3pm), or a Night shift (starts at 10pm). So, when creating a new calculated column I would assume the function I need would go something like "=If([StartDate]...." but I am not sure on the rest. Anyone know how I would write that function?

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• How can HAProxy improve availibility, or "how can I prevent my site from going down"? [closed]

  - by Joe Hopfgartner

  I am aware of what HAProxy does, but what if my HAproxy goes down? Or what if my DNS servers go down? Yes, dns is less the problem. However dns only solves to an IP and an IP is announced via BGP to be routed over some router. What if that router goes down? Of course if I have complicated application servers that are likely to fail HAProxy can significantly improve uptime. But my application isnt. In fact my application may very well just be delivering a small static html file via HTTP. Basically if any user anywhere types in MYDOMAIN.COM, I want the user to get SOMETHING on the screen other than a timeout or DNS resolution error. How can I do that? The point of entry is difficult. The so called "initial closure mechanism".

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