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• Load balance incoming traffic

  - by justin

  Dear All Please I have the following scenario. 3 servers voip / mail / terminal one load balancing router 2 internet connections (static ip`s) My concern is to load balance incoming traffic since the outgoing traffic is being taking care by the load balancing router. For instance all offices connect to the mail server via the internet same for voip and terminal services. The mail and voip clients are set up with one of the static ip`s and the router forwards the request to the appropriate server. But obviously like this there is no fail over nor load balancing cause all requests are being directed to one internet connection. Anyone has a suggestion was thing of a dns server, does this make sens ? or maybe a hosted option ? Thanks Justin

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• Alternatives to auditd and inotify for monitoring file deletion

  - by Tola Odejayi

  I'm trying to figure out which processes are deleting files from a specific directory on my CentOS server. I looked at inotify, but all this does is to tell me how many file deletions are occurring; it does not tell me what process run by which user did the deletions, nor does it tell me when they happened. I also tried auditd, but I have had no luck in getting it set up on my server. Does anyone have any other tool they can suggest that will do this?

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• named-checkzone reports 'ns.example.com.ns' has no address records (A or AAAA)

  - by hydroparadise

  The first thing I see wrong is that its a recursion problem. But I'm not sure where the problems lie in my reverse lookup file. ns should report back as ns.example.com but instead getting ns.example.com.ns. Of course it wouldn't find any entries for that name because there isn't one, nor is it supposed to. Here's my reverse file: $TTL 86400 @ IN SOA ns.example.com root.example.com. ( 16071990 ; Serial 3600 ; Refresh 1800 ; Retry 604800 ; Expire 86400 ; Minimum TTL ) @ IN NS ns.example.com It's not extraordinarily complicated. What my question is, what other files affect the output for named-checkzone when checking a name against the revers file?

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• Configuring a Genius GW-7200 Access Point

  - by alex

  I came across an access point we had a few years ago. I'm now trying to get it set up to work on our network. here are a couple of pictures: http://twitpic.com/194u06/full http://twitpic.com/194u0v/full I have plugged this into our network via the network port on the back. I set up a DHCP reservation, based on the MAC address on the back of the access point, however I cannot ping it, nor access the web interface. I've held down the reset button for 10 seconds, to see if that would do anything. Google doesn't come up with anything on the matter :-(

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• How do I enable SELinux when booting a ramdisk from a CD/DVD?

  - by JeffG

  I have a bootable DVD which boots the same Kernel as the Hard Drive (which uses SELinux). I have copied /etc/selinux and all kernel modules to my ramdisk, and have tried various combinations of selinux=1 and selinux 1 with enforcing 1 and enforcing 0. as Kernel boot parameters. All files contained in the checkpolicy, libselinux, policycoreutils, selinux-policy and selinux-policy-targeted rpms have also been copied into the ramdisk tree. After the system boots from the ramdisk, I check dmesg: % dmesg | grep -i selinux Kernel command line: initrd=idrd.img ramdisk_size=110476 selinux=1 SELinux: Initializing. SELinux: Starting in permissive mode selinux_register_security: Registering secondary module capability SElinux: Registering netfilter hooks But SELinux isn't running: % /usr/sbin/getenforce Disabled % /usr/sbin/setenforce 1 /usr/sbin/setenforce: SELinux is disabled Neither /var/log/messages nor /proc/kmsg hold clues.

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• aTop like tool for OSX

  - by Maciek Sawicki

  I'm trying to debug some issues with my Mac. This machine is used as continuous integration server. It stops responding from time to time. I think it could be some software issue, since the machine is working (so i.e. it's not a kernel panic) - that is when I go to the server room I see the login screen and I can move the mouse. Unfortunately I can't login neither directly nor by VNC or SSH. There is a nice tool that helps in debugging this type of problem called aTop. It's like top but with history. Unfortunately it's Linux-only software. Is there any tool that is similar to aTop for OSX?

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• OpenVPN server behind firewall issues

  - by Gabriel

  I'm trying to setup an OpenVPN but I do have some problems doing it. This is my scenario: INTERNET --- HOME ROUTER (10.1.0.0/28) --- FIREWALL SERVER (DEFAULT GATEWAY FOR MY INTERNAL LAN 10.1.0.2) --- OpenVPN Server (10.1.0.9 LAN | 10.2.0.1 VPN) single nic / bridge iface I can connect to my VPN server successfully (it gets the 10.2.0.5 address). Though, I'm not able to ping anything, neither my VPN server, nor my lan clients. I guess the problem is on the firewall. I'm not really an expert on iptables, I tried adding plenty of different rules without success. I would appreciate a lot if someone could explain me how to get to work the VPN server in this scenario. After connecting through VPN, when I try to ping the server, I'm not really sure about how the ping message gets to the server and how the response should go back to the client. Thanks a lot Gabriel

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• Open source command line tools for indexing a large number of text files

  - by ergosys

  I'm looking for any open source command line tool or tools which will allow me to index and search a large number of plain text files. Approximate search would be a plus. The tool only needs to print the files that match, although some match context would be useful. A GUI tool isn't useful for my application, nor is anything that searches files one by one (grep for example). I'm basically targeting unix platforms (osx, linux, bsd). EDIT: I'm not interested in any sort of tool that is system-wide, or needs to run in the background. Basically, I want to build an index for a directory tree full of text files and then later be able to search against it. Preferably the index is one or a few files that I can specify the location of. Any ideas?

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• DNS resolution Windows 7 & browsing to locally hosted web site

  - by Aidan Whitehall

  We host two Intranet sites, http://intranet/ and http://sales.intranet/, both on the same server on the LAN. Local DNS (a Windows 2003 Server) was updated and both hostnames are configured to be CNAMEs that point to the FQDN name of the server on which they're hosted. On the LAN, Windows XP Professional clients can browse to both sites. However, Windows 7 Professional clients can browse to the main Intranet site, but not the Sales Intranet (neither using Firefox 3 nor Internet Explorer 8). Using nslookup on the command line on the Windows 7 boxes, intranet and sales.intranet both correctly resolve as CNAMEs of the server hosting them, and that in turn correctly resolves to the host's IP address. So the Q is... can anyone think why this might be, or what test to try next? Thank you for any suggestions!

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• Mount shared folder (vbox) as another user

  - by jlcd

  I'm trying to mount my vbox shared folder every time my ubuntu starts. So, I added an entry on /etc/init with this: description "mount vboxsf Desktop" start on startup task exec mount -t vboxsf Desktop /var/www/shared Seems to work, except by the fact that all the files are owned by "root", and I don't have permission to write on the folder (neither chmod nor chown seems to be working). So, how can I make all the files under this shared folder to be owned by www-data user/group? Thanks ps.: The main reason for me to have an automatic shared folder, is so I can create/edit files from the HOST on the GUEST www folder. If you have a better idea for that, instead of sharing the folder, fell free to say.

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• How do I use Compiz on Linux to achieve what WinSplit revolution does on Windows?

  - by Bryce Thomas

  Hi there, I've used WinSplit Revolution for quite some time on Windows and have become attached to it. I'm now trying out a Linux OS (Ubuntu 10.04) and would really like to get the same functionality back again. After searching on the net I found a "grid" plugin (http://wiki.compiz.org/Plugins/Grid) for compiz which says that it was inspired by WinSplit revolution. I haven't installed the Grid plugin yet, because under the install section on that page, it says "Note that grid is now included in compiz so you're unlikely to need to fetch from git unless you've an old version of compiz", which would seem to suggest that the grid functionality has now been built into compiz somewhere. The thing is, I don't know where to find it in the CompizConfig Settings Manager nor how to set it up. All I want to have happen is that I get identical functionality to WinSplit revolution, where I press Ctrl + Alt + [some numpad key] to position a window on a screen and press Ctrl + Alt + [left or right arrow] to shift a window between dual screens.

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• grub error: symbol 'grub_puts_' not found

  - by ladaghini

  I updated from Ubuntu 9.10 to 10.04, and after installation, the computer restarted. When grub loaded, all I get is a screen that says error: symbol 'grub_puts' not found and a useless grub prompt that looks like grub_rescue I've tried reinstalling grub from the livecd (usb drive) following this guide: https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows to no avail. Sometimes, when I start up from the live usb, linux doesn't recognize the harddrive at all. It's not in the places menu, nor does fdisk list anything. If anyone can help fix up grub so it recognizes and boots up the two os's I have installed, I'd appreciate it. Also, I know little about grub, so try and make it easy to understand.

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• Create Google Maps screenshots at regular intervals

  - by Dave Jarvis

  Background People are concerned that building a pipeline to the West Coast of Canada will increase the number of oil tankers, thus increasing the probability of a major oil spill, thereby creating an environmental catastrophe. The AIS Live Ships Map website captures real-time Marine Traffic updates using a Google Maps interface. While it is possible to obtain data from an AIS data feed, often the feeds are either pay-for-use, or otherwise encumbered with license restrictions. Problem The AIS Live Ships website presents a map in the browser: The map above has had its location interactively changed to focus on the area in question: the northern straight of Vancouver Island. Question How would you create a service that captures the map every 30 minutes and that could run, with neither user-intervention nor a significant memory footprint, for a few years? Idea #1 Create a virtual machine. Install and run a light-weight browser. Use Shutter to take captures at regular intervals. Idea #2 Use Python's Ghost Webkit to automate the captures. Thank you!

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• How to restore jump list for Windows Explorer pinned taskbar icon?

  - by Dario Solera

  I pinned Windows Explorer's icon to my taskbar months ago, and all worked fine, including jump lists. Note: I changed the default Explorer's folder using the usual trick of changing the GUID in the shortcut. Now, all of a sudden, the jump list is empty, and dropping folders on the pinned icon does not produce any effect, nor recently-opened folders show up in the list (although in the taskbar options I made sure to have it remember recently open items). How can I restore the original functionality, given that all other pinned applications jump lists work correctly? I'm running Windows 7 Ultimate x64, updated with the latest patches. The OS is in US English and my locale is Italian-Italy.

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• Which driver for "ATI Mobility Radeon HD 3650" in a laptop?

  - by Lasse V. Karlsen

  We have some HP laptops here that comes equipped with a video card that identifies itself as "ATI Mobility Radeon HD 3650", like this one. However, which drivers do we choose? As far as we can tell, HD 3650 is desktop cards, or at least there are no drivers listed for that series with "Mobility" in their name. If I pick the following on the ATI Driver Download page: Graphics Windows Vista 32-bit Edition Mobility Radeon Then the dropdown for the card model contains X300, X600, X700, X800, X1300, X1400, X1600, X1800, 9600, 9700 and 9800 models, but no "HD" nor "36xx series". However, if I change to just "Radeon" for the last selection there, I can find a "Radeon HD 3600 Series" model in the list. Also, if I pick "Windows 7" as the operating system, I can find a "Mobility Radeon HD 3000 series" card, but no 3600. So, which one to pick? The main reason I ask is that they all seem to have some kind of problem installing, so neither seems to be the right one (they all crash with "Catalyst Install Manager has stopped working".)

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• How to find out why Apache crashes

  - by sanders

  How can I find out why my Apache webserver crashes? Sorry about my first post. Here is what I am doing: I am running xampp on windows xp. I was working on this tutorial and when i got to page 13 of the pdf version it crashed. I cant see anything weird in my error.log nor in my access log. When i go to my localhost on my machine it straight away crashes. Any Idea's? This is what windows adds to the fault report: AppName: apache.exe AppVer: 2.2.11.0 ModName: php_pdo_mysql.dll ModVer: 5.2.8.8 Offset: 0000250a

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• Http 400 'Bad Request' and win32status 1450 when larger messages are sended to a WCF service

  - by Tim Mahy

  we sometimes receive Http 400 bad request resultcodes when posting a large file (10mb) to a WCF service hosted in IIS 6. We can reproduce this using SOAP UI and it seems that it is unpredictable when this happens. In our WCF log the call is not received, so we believe that the request does not reach the ASP.NET nor WCF runtime. This happens on multiple websites on the same machine each having their own application pool. All IIS settings are default, only in ASP.NET and WCF we allow bigger readerQuota's etc.... The win32status that is logged in the IIS log is 1450 which we think means "error no system resources". So now the question: a) how can we solve this b) (when a is not applicable :) ) which performance counters or logs are usefull to learn more about this problem? greetings, Tim

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• HP Pavillion dm3 (Windows 7) BSOD,

  - by Lee

  HI I have a HP Pavilion dm3. It came up with a BSOD and then didn't give me an option to start up in safe mode. I dont have any cd drive, nor did it come with a Windows cd anyway. I presume that it has a partition in my laptop for that kinda stuff. I was hoping to boot it using a usb but I don't know how to do it or where to download the stuff from. I have access to network computers, so am able to download from the internet but it's not a Windows7 computer. I am able to download from the computers that I have access to, but unable to run any executable files on them. Can someone please help? Thanks in advance

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• homebrew in mac lion

  - by user975352

  I'm beginner of mac lion(10.7.2). I don't know well about mac but ubuntu. I installed homebrew to my mac, and I did command below. $ brew install git and then $ brew update error: Could not resolve host: github.com; nodename nor servname provided, or not known while accessing https://github.com/mxcl/homebrew.git/info/refs fatal: HTTP request failed Error: Failed while executing git pull origin refs/heads/master:refs/remotes/origin/master What's happen in my mac? How to resolve this? Would you help me?

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• 403 in Response to OPTIONS when updating working copy having full access

  - by user23419

  There is an SVN repository (single repository) http://example.net/svn The repository contains several projects (directories): http://example.net/svn/Project1 http://example.net/svn/Project2 User has full access to Project1 directory and has no access neither to root nor to Project2. Everything works fine for a while: user checks out http://example.net/svn/Project1, commits and updates it successfully. But sometimes trying to update leads to the following error: Command: Update Error: Server sent unexpected return value (403 Forbidden) in response to OPTIONS Error: request for 'http://example.net/svn' Finished! Why does TortoiseSVN request something in the root??? I have noticed that this happens after somebody else committed copy or move operation. Checking out http://example.net/svn/Project1 helps till next time... The main question: How to set up access rights for user to avoid these errors? Note, it's not an option to grant user any read or write access right on the root directory for security reasons.

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• How to detect a change in a background window

  - by Leonardo

  Hi, Let's say I have a chat window open in a web browser, and I'm waiting for a message from my partner, trying to do something else in the meantime. The chat window (not an installed program) will not alert me of an incoming message, nor will the task bar flash or anything. Is there any utility that can help me? In search of a solution, I came across AutoHotKey. There is a script called livewindows.ahk, which will show a piece of the window anywhere on the screen, but it won't alert me on a change. I'm not skilled enough to know how to store and compare e.g. every second's content of some window area. Maybe someone has invented this wheel? Thanks in advance for any hint or advice. Leonardo

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• Remove Shell Extension Folder X64

  - by Florian Peschka

  I have a very strange shell extension folder which I just can't get rid of. How can I get rid of this? I already downloaded ShellExViewer, but I cannot find any extension called "X64", nor are the other extensions which reside in that folder anywhere in the Viewer. I am also not able to find that folder in the registry, but that's probably because I don't know where to look. How can I edit this so the contents of the folder are put in the "default" menu and not in a subfolder?

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• How to redirect the output of the vmrun listProcessesInGuest command on windows?

  - by mark

  I run vmrun.exe with listProcessesInGuest on the command line and get the list of processes displayed in the console window. The exact command line is: "C:\VIX\vmrun.exe" -T vc -h "https://myserver/sdk" -u "mydomain\myuser" -p 123 -gu Administrator -gp 123 listProcessesInGuest "[Storage1] QA-W-7-SP1-64-0/QA-W-7-SP1-64-0.vmx" It works fine. Now I wish to redirect the output, however, neither 2> nor 1> work! The former has no effect - the output is still displayed in the console window, so I conclude it is send to stdout. But the latter does not work too - now nothing is displayed in the console window, but the redirection file is empty! It is created all right, but it has the zero size! Can someone explain what is going on?

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• Can't access Administrator account on Windows XP after adding local user account

  - by bwerks

  I have an installation of windows XP, and it's not part of a domain. Previously, it just had only the administrator account, and upon creating a different user account, all access was lost to the administrator account. When the machine starts up, only the new local account is offered for login, which seemed strange. I've checked that the administrator account was not disabled, nor are any rights missing from the local security policy. Furthermore, the administrator account is accessible via remote desktop, where an opportunity is given to type the desired account. REALLY strange. Upon deletion of the new local user account, the administrator account appeared again. Can anyone tell me what's going on?

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• Upgrade AirPort on Macs to support Snow Leopard's Wake on Wireless/WLAN?

  - by wojo

  Snow Leopard now supports Wake on WLAN, but not all hardware supports this. For example, my Octo Mac Pro from early 2008 has an AirPort card, but it does not support this. Nor does my 2007 2.33GHz MacBook Pro. For reference to what is needed, look at http://www.macrumors.com/2009/08/28/a-closer-look-at-snow-leopards-wake-on-demand-feature/ which includes a screenshot of what the System Profiler should show. It's pretty hard to find Apple parts, but is it possible to put newer cards into these machines to have them support Wake on Wireless?

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