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• Event 4625 - Logon Failure - Server 2008 R2 is logging them all over the place ! How to stop the attack?

  - by user72593

  I've been monitoring failed logons to a server which is directly connected to the internet with no hardware firewall in the way...testing purposes only. Using the Server 2008 R2 firewall, I blocked access to just about everything except RDP, then I told the firewall to only allow connections to the RDP port from "MY" static IP. I tested from other locations and I am not able to login to the server unless i'm at my office. So how are people coming from Chinese IP's able to attempt logons and get logged as failures ?? Is there something i'm missing that needs to be blocked? Any help would be appreciated.

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• Why can't I install MySQL on my computer? [closed]

  - by Bea

  I have read a lot of tutorials, but I am still having problems. What I tried: I downloaded mysql-5.5.9-winx64. All that I read says that I can run Setup.exe, but there is no such file in the download. The other option I know there is, is including \mysql-5.5.9-winx64\bin in the PATH variable and then trying to execute the mysql command. When I do that, the error I get is: ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061) I then downloaded mysql-5.5.9-winx64.msi, which is easier to install, but once I followed the instructions and it was installed, I got the same error executing the mysql command. How can I use MySQL? EDIT: I've now removed everything I installed, and I want to start from scratch.

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• Why can't I use %USERPROFILE% in %PATH%?

  - by Zano

  On my Windows 7 machine, using the System Properties Environment Variables tool, I try to add %USERPROFILE%\Bin to the system variable PATH. For some reason, that doesn't work, even though %SystemRoot%\system32 works fine. When I try to run commands from the console, files in my Bin folder are not found, even though files in the System32 folder are found. The only difference between UserProfile and SystemRoot that I can see is that the former is a user variable while the latter is a system variable. I i write echo %USERPROFILE%\Bin it yields c:\Users\zano, and if I add c:\Users\zano\Bin explicitly, everything work fine. What's the problem here?

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• TV Card Problem

  - by MladenB

  I have DVB-T card (CE9500B1) and it doesn't work. I've tried everything I knew (but I don't know much). It doesn't show any problem, but shows "No Signal". I used another TV card USB, found channels, put mine card again, and again nothing. I don't think it's broken, when I put USB in my laptop, it recognizes it. Also, these little lights on USB are never turned on. OS is Win 7. Help, please.

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• Lubuntu 13.04, kernel still 3.8.0-32-generic

  - by Blue Ice

  My question is very similar to Ubuntu 13.10, kernel still 3.8.0-31-generic. Recently was updating to Saucy and the ethernet cable got unplugged. So I decided to run Software Update again, to reinstall files. It returned that "everything is up to date". But according to these command-line searches, that is incorrect. How can I install Saucy now safely from the command line? sudo apt-get install lubuntu-desktop Reading package lists... Done Building dependency tree Reading state information... Done lubuntu-desktop is already the newest version. The following package was automatically installed and is no longer required: linux-image-extra-3.8.0-19-generic Use 'apt-get autoremove' to remove it. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. sudo apt-get update Get:1 http://extras.ubuntu.com raring Release.gpg [72 B] Hit http://extras.ubuntu.com raring Release Get:2 http://az-1.hpcloud.mirror.websitedevops.com raring Release.gpg Hit http://extras.ubuntu.com raring/main Sources Hit http://extras.ubuntu.com raring/main i386 Packages Get:3 http://az-1.hpcloud.mirror.websitedevops.com raring-updates Release.gpg Get:4 http://az-1.hpcloud.mirror.websitedevops.com raring-backports Release.gpg Get:5 http://az-1.hpcloud.mirror.websitedevops.com raring-security Release.gpg Get:6 http://az-1.hpcloud.mirror.websitedevops.com raring Release Ign http://extras.ubuntu.com raring/main Translation-en_US Ign http://extras.ubuntu.com raring/main Translation-en Hit http://ppa.launchpad.net raring Release.gpg Ign http://az-1.hpcloud.mirror.websitedevops.com raring Release E: GPG error: http://az-1.hpcloud.mirror.websitedevops.com raring Release: The following signatures were invalid: NODATA 1 NODATA 2 lsb_release -rd Description: Ubuntu 13.04 Release: 13.04 uname -r 3.8.0-32-generic

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• RewriteMap syntax Regex

  - by ienabellamy

  in my .htaccess i've tons of directives, with same syntax: RewriteRule ^(.*)/PRODUCT_1.aspx http://www.site.com/product.php?id_product=2891 RewriteRule ^(.*)/PRODUCT_2.aspx http://www.site.com/product.php?id_product=2896 and everything works. Now, i created a RewriteMap in my because i need to increase velocity (20.000 redirect 301 in htaccess no good), so: RewriteEngine On RewriteMap redirects dbm=db:/var/www/html/presta152/prestashop/redirects.db RewriteCond ${redirects:$1} !="" RewriteRule ^(.*)$ ${redirects:$1} [redirect=permanent,last] and my redirects.db is created by redirects.txt, that contains: /PRODUCT_1.aspx http://www.site.com/product.php?id_product=2891 /PRODUCT_2.aspx http://www.site.com/product.php?id_product=2896 this works if i try to call for example: www.site.com/PRODUCT_1.aspx i'm redirected... but if i try to call www.site.com/everythingpossibileinside/PRODUCT_1.aspx the redirect doesn't work. So, in my .htaccess this rule: RewriteRule ^(.*)/PRODUCT_1.aspx http://www.site.com/product.php?id_product=2891 works, but in my RewriteMap no. I think i must change this directive: RewriteRule ^(.*)$ ${redirects:$1} [redirect=permanent,last] i tried, but unsuccessful. Thanks to all.

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• Problems with nvidia drivers

  - by Crs2489

  I have a problem that I haven't been able to find a solution to. I recently decided to switch from Windows to Ubuntu 11.10, so I originally installed Ubuntu using the wubi installer for windows. After I installed Ubuntu with wubi I installed drivers for nvidia using the additional drivers from system setting and everything worked fine. I then decided that I no longer wanted windows on my computer because i was having problems with it crashing when I went to remove the partition with windows on it using an Ubuntu Live CD I made I found that there were unrepairable problems with both of my partitions so I decided to delete both partitions and install Ubuntu again from the cd now when I try to install nvidia drivers my gui will not load when i start my computer. I have found people who have had similar problems with the gui not loading after installing nvidia drivers but no one who had there gui working after installing with wubi then not working after installing from a cd. I'm using Ubuntu 11.10 32 I have also tried other versions of linux like openSUSE and have had the same problem with the gui not being able to load after installing nvidia drivers.

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• help me being the next zuckerberg [closed]

  - by Kraken

  I really expect someone to help me with my problem as stated below. I started learning website making by having tutorials from w3schools.com but after doing taking the HTML tutorials I don't think I really can do anything with it. Maybe I don't know everything about HTML yet. I know the online tutorials are not enough but what I need you guys to tell me is that how can I learn making some nice websites. I have vacations for two months now and I think it would be the best time for me to learn making websites as I really love to be a website developer. Now I would like to start from the scratch. I know some C language (though I know it will not help me). So tell me from where shall I learn HTML and what all things shall I learn after that and in what order. If you can also help me with the material (let it be books or online tutorials). But I would like to know how can I gain confidence that I can make some websites as just learning online tutorials doesn't help me much. I also tried some video tutorials but in that too, they will just tell me some of the functions and not all. So what am I supposed to do.. just know a limited functions as they want me to know in video tutorials or do something else.

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• Mac OS X: What is using my 'active' memory?

  - by badkitteh

  Hello fellas, I'm using a recent MacBook Pro with 8 GB of RAM and after a few hours of using it at work I notice the amount of 'active' memory growing and growing. Whenever I reboot my Mac, everything looks fine and it is hardly using any RAM. But after a few hours it looks like this: As you can see, in this case it's about 4.3 GB. Being a developer, I know that 'active memory' is the amount of memory that is currently used by running processes. So the first thing I did was quitting all applications and killing all processes that don't seem to belong to Mac OS X. After I did that, my active memory came down about 400 MB, but got stuck at what you see in the screenshot. There are no more processes or applications to quit. Now I'm wondering what is actually holding on to the memory? top and Activity Monitor don't report any processes with a high memory usage. Any ideas? Thanks!

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• Extended display - nightmare

  - by user206343

  I have been struggling for quite a while, and I hope one of you can shed some lights on my issue. I am using Xubuntu 13.10 (Ubuntu 12.04LTS behaves the same way, higher version wouldn't install, LinuxMint didn't install, Fedora didn't install). I am trying to set extend display for two dell monitors 1900x1200. It works great when in mirror mode, but I just cannot extend the display. Either one monitor goes to sleep and the other is unresponsive, or both work but are unusable. This is a link to the picture of my monitors in mirror mode This is link showing what happens after I try to extend the desktop I get the same results if I use aRandr or the built in configuration utility. I have an ATI Radeon X300 card. I cannot use proprietary Catalyst drivers (I would have to use the legacy ones, which would force me into using much older version of the OS). Extension is possible with Windows. I am hoping someone can come up with tweaks that would allow me to run an extended desktop. I truly love Xubuntu (and Ubuntu, unfortunately, Unity is a bit too heavy for my old PC, and I have to run in 2D mode, so 12.04 is as high as I can go). I have tried everything I could find online, but nothing worked thus far. I believe some configuration or something I am missing might work. Please, if you have any idea, do not hesitate. Thanks guys.

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• Monitoring/logging a malfunctioning internet connection

  - by Pekka

  I have a mysterious internet connection problem: Every 15-20 minutes, the connection will become very slow, and take 2-3 minutes for anything to load. I've had a technician from the ISP over here to test the hardware, and everything is in pristine condition. They have no other explanation than a configuration error on my machine, a possibility I can exclude 90% because I'm experiencing the same problems with another machine. I will have to monitor the situation now, and I would like to run a program that logs when internet connections become slow. I thought about putting something together using at and wget. Does anybody know of some other tool for this that does this out of the box - maybe something with an adjustable request frequency, logging connection speeds etc.?

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• Problem with understanding how to start

  - by Coolface

  Okay, this might be a little off-topic but i try anyway. Sorry to bother. So i'm working as sysadmin for at least 5 years now and i quite enjoy IT field in general. Somehow i was never interested in programming much but always want to learn something at least easy and for personal usage. As sysadmin i need scripting skills so learn shell scripting without much problems, i also try to learn pascal, delphi, basic over time and must recent was python. Well, my problem is when i try to learn programming i just can't apply what i learn from the books to the real word. What i mean is i understand there are data structures, algorithms, variables, lib's, if-then logic, etc. but i just can't understand how to apply this things when i want to do real things. Like i want to get a something simple as parse web page, i draw a quick algorithm like get a web page, find a word on it and write a to file, on the paper everything look simple but when i get to the coding i just stuck pretty much from the start. I try read code of the real programs that just totally confusing especially big parts with many classes so i'm just quickly lost a trail what this code do. I think i just lack some fundamentals to see a big picture but don't really know what this might be? Or maybe i just don't have a passion to programming at all... My best bet was a shell scripting so i have really no problems to write complex scripts but this just not enough. Recently i was read around 5 or 6 python books because everyone say it's so easy even kid can code something but still no much luck, python is good and easy but i can't make something harder then a prodecurial style code like in bash for easy things but when i want harder things i'm still stuck. In college i was also not a math and tech guy and like to study non-tech stuff mostly like economy, psychology maybe that my problem? Anyway any advice would be greatly appriciated.

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• Creating my own PHP framework

  - by onlineapplab.com

  Disclaimer: I don't want to start any flame war so there will not be no name of any framework mentioned. I've been using quite many from the existing PHP frameworks and my experience in each case was similar: everything is nice a the beginning but in the moment you require something non standard you get into lot of problems to fix otherwise simple issues. In case of frameworks following the MVC design pattern there are some issues with the implementation of each layer for example there is a lot of codding used for model and data access with using ORM and presentation is not much more than pure phtml. Some frameworks use their own wrappers for existing PHP functionality and in some cases severely limiting original functionality. Depending on framework you can have additional problems like lack of documentation, slow or non existent development cycle and last but not least speed. While ago I made my own framework which while doing it's job and being used for few different applications after couple of years more of experience with PHP doesn't seem to be perfect piece of codding. I could write my own framework and use additional experience I've gathered during these years to make it better on the other hand I'm aware that there is quite many better programmers working on creating/upgrading existing frameworks. So does it make at all nay sense to write my own PHP framework if there is so many possibilities to choose from?

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• how to deal with controller mutations

  - by Milovan Zogovic

  During development process, things are constantly changing (especially in early phases). Requirements change, UI changes, everything changes. Pages that clearly belonged to specific controller, mutated to something completely different in the future. For example. Lets say that we have website for managing Projects. One page of the website was dedicated to managing existing, and inviting new members of specific project. Naturally, I created members controller nested under projects which had proper responsibility. Later in the development, it turned out that it was the only page that was "configuring the project" in some way, so additional functionalities were added to it: editing project description setting project as a default ... In other words, this page changed its primary responsibility from managing project members to managing project itself. Ideally, this page should be moved to "edit" action of "projects" controller. That would mean that all request and controller specs need to refactored too. Is it worth the effort? Should it be done? Personally, I am really starting to dislike the 1-1 relationship between views and controllers. Its common situation that we have 1 page (view) that handles 2 or more different resources. I think we should have views completely decoupled from controllers, but rails is giving us hard time to achieve this. I know that AJAX can be used to solve this issue, but I consider it an improvisation. Is there some other kind of architecture (other than MVC) that decouples views from controllers?

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• how to trace an outlook mail not arriving to its destination when is sent to another domain?

  - by Alex. S.

  Hi, I have an domain account configured with Ipower.com. If I use an email client such as Evolution, the mails arrive as expected. However if I use Outlook 2007 (as everybody in this company) the mails only arrive if the destination belongs to the same domain. That means when the destination is a gmail address, for example, the test email falls into a sort of black hole... This is just a simple ipower setup, nothing of Exchange or something like that. What else can I do to isolate and fix this issue? This is driving me nuts because in other email client with the same exact configuration in the same machine, everything works well and I need to fix the thing in Outlook.

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• Is it possible to use the same MAC address for an entire subnet?

  - by Bruce

  I wish to add static entries to the ARP table of my machine so that it uses a dummy MAC 00:11:22:33:44:55 for any IP address within the subnet 10.0.0.0/8 Using arp -s 10.0.0.0/8 00:11:22:33:44:55 does not work. What can I do? PS - I know it might sound strange why anyone would want to do this but kindly bear with me here. EDIT: I am using this so that the hosts do not send a broadcast ARP message. I route the packets to the appropriate last hop router which changes the dst MAC from the fake MAC to the MAC of the dst IP address. I can get everything working except I have to manually enter the fake MAC for each subnet IP address.

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• cygwin: ~ != $HOME

  - by user443854

  When I start cygwin, my ~ dir is the same as $HOME. After some time, ~ dir changs, while $HOME stays the same. I am puzzled by this, not sure where to look. Maybe someone experienced this, or has some clue what's going on? When I start: winuser@mybox ~ $ echo $HOME /cygdrive/c/cyguser winuser@mybox ~ $ echo ~ /cygdrive/c/cyguser Later, ~ changes to /cygdrive/c/winuser, which is non-existent. When I restart cygwin, everything is back to normal. What could be causing this?

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• How can I get better at explaining complex software processes to developers?

  - by Lostsoul

  I'm really struggling with my software specs. I am not a professional programmer but enjoy doing it for fun and made some software that I want to sell later but I'm not happy with the code quality. So I wanted to hire a real developer to rewrite my software in a more professional way so it will be maintainable by other developers in the future. I read and found some sample specs and made my own by applying their structure to my document and wanted to get my developer friend to read it and give me advice. After an hour and a half he understood exactly what I was trying to do and how I did it(my algorithms,stack,etc.). How can I get better at explaining things to developers? I add many details and explanations for everything(including working code) but I'm unsure the best way I can learn to pass detailed domain knowledge(my software applies big data, machine learning, graph theory to finance). My end goal is to get them to understand as much as possible from the document and then ask anything they do not understand, but right now it seems they need to extract alot of information from me. How can I get better at communicating domain knowledge to developers?

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• cd ~ dumps me in a seemingly empty directory

  - by Davidos

  This is on a Linux mint box. I'm told everywhere to use the command cd ~ To switch to the root directory before doing some command line magic. For some reason though, it dumps me in a directory named ~ where ls gives nothing and I can't get back to my home directory; I have to restart the terminal session to get out of the empty root directory. I'm positive that everything is just hidden to me, but even as a super-user I can't get the folders to show themselves. I usually just fall back to using a graphical file browser to roam those forbidden files, but I've recently just been shut out of my root directory, and the machine refuses to allow me to change the permissions on the stupid thing even when I type the root password in. It may just be some over-rigorous end-user shielding on the part of the mint team, but it's getting to be really frustrating now.

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• SharePoint 3.0 Search Stuck Starting

  - by Skaughty

  I have a single server running SharePoint 3.0 on WS2003 Sp2 not on a domain. My search service stopped working so I just went in to central admin and hit stop, then hit start. I soon found out this is not the way to do this process. I now can not get the search service to start again. I have tried everything I can think of, and nothing works it changes status to Starting but never gets to started. I have to go in with "stsadm -o spsearch -action stop" from the command prompt to stop it. I am using the Local service account for the service and the content accounts. Can anyone help me?

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• How to route traffic via another machine before the default gateway

  - by Rich

  At the moment I have a router on 192.168.0.1, a Linux box on 192.168.0.2 and desktop clients from 192.168.0.3. Everything works with 192.168.0.1 as the default gateway. I'd like to send the traffic from the desktop clients via the Linux box before it goes out through the router so I can sniff the traffic (some of these are wireless connections). Can I set the default gateway to 192.168.0.2 on the desktop clients and then perhaps add some iptables rules to forward this traffic through 192.168.0.1? Quite happy to change the client desktops to another subnet if that makes it easier. Thanks in advance.

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• linux - Is Debian "lighter" than Ubuntu?

  - by user2983756

  I currently run Linux Mint 14 KDE on a "semi-old" machine I use for working and surfing the web - it was the first Linux system I ever used (running away from old Win XP), so I picked a complete system that would have most of my basic needs installed (I didn't even know what exactly all those needs were at the time). The thing is, my computer is becoming really old and Mint is a cluttered system, and for the next installation I'm going to try and install a "raw" system and get everything from the online repos. My question is: Since Ubuntu is Debian-based, does that make it consume more resources than its base system? If that isn't the difference, which one is "lighter" in that sense?

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• Cleaning cruft from the stored configs database

  - by Zoredache

  I have setup stored configuration primarily as a method to manage my ssh known_hosts. Unfortunately as I retire hosts the old configs still exist in my database. The answer seems to be run the command puppet node clean <hostname>. The problem is that while this does command does run, and does clean up some data, it doesn't seem to clean up everything. For example I can still find values in the puppet_tags table that only applied to a hosts that no longer exists. What should I be doing to keep my stored configuration database clean of all extra junk that seems to be building up? P.S. Can anyone point me any documentation for the stored configuration schema?  If I could find good documentation, or at least an entity-relationship-diagram, I would be tempted to just do some manual clean-up.

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• Apache not responding in amazon ec2

  - by Viren

  Well this might sound awkward but I facing terrible issue with my Amazon EC2 instance one of the finding I see is that apache is not responding on port 80 which is weird because I can't even find the incoming packet to port 80 in tcpdump output As per the security rules all security rules are in place correctly at least in amazon console I restarted the apache to listen to port 8080 and added port 8080 and add 8080 to security rule and everything work but I cant just able to understand as to why the port 80 not responding Needless to say since port 8080 is responding all my CNAME and A-record is working too UPDATE No firewall issue either I just cross check the iptables and list is empty Can some share a light on this

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• What security changes are necessary when connecting DSL modem directly to PC instead of router?

  - by Mike B

  Windows XP I have a user with a single PC that was connected to the internet via a standard home router. The router is now having hardware-related issues and to save money, they're considering connecting the PC directly to the DSL modem since they don't need to share the internet connection or need wireless functionality. If they decide to do that, I'm concerned that this will introduce additional security concerns. Is the Windows Firewall sufficient and Microsoft Security Essentials sufficient for protecting a computer directly connected to a DSL Modem? Or is other security software needed here? Ideally, I'd like to avoid having third-party firewall software constantly bringing up alerts and asking them to approve everything. Also, just to clarify, their use cases are just internet browsing and email.

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