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• ESX Firewall Command Troubles

  - by John

  Hi, I am working on creating some firewall rules to stop some of the SSH brute-force attacks that we have seen recently on our ESX server hosts. I have tried the following rules from the CLI to first block all SSH traffic and then allow the two ranges that I am interested in: esxcfg-firewall --ipruleAdd 0.0.0.0/0,22,tcp,REJECT,"Block_SSH" esxcfg-firewall --ipruleAdd 11.130.0.0/16,22,tcp,ACCEPT,"Allow_PUBLIC_SSH" esxcfg-firewall --ipruleAdd 10.130.0.0/16,22,tcp,ACCEPT,"Allow_PRIVATE_SSH" However, these rules are not working as intended. I know that if you do not enter the block rule first, then the allow rule will not be processed. We are now having the issue where the first entered allow rule is being ignored such that the block rule works and the last entered allow rule works. I was curious if anyone had any ideas on how I could allow a few different ranges of IP's with the esxcfg-firewall --ipruleAdd command? I am at a loss and am having a hard time locating examples or further documentation about this. Thanks in advance for your help with this.

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• Ubuntu - Is there a way to associate keyboard shortcuts to bring a window to front?

  - by Bogdan Piloca

  I am using exactly 3 programs: - a browser - a terminal - a code editor I keep all in fullscreen windows. What I need is to be able to bring any one of them up with a simple keyboard shortcut, like Ctrl+Alt+B for browser, etc. Alt-Tab sucks because I have to stop and see where the selector is. Using 3 workspaces is better but still not ideal - I need to think about where I am and where I need to go. E.g. My browser is on top of my terminal and my code editor is to the right of the terminal. So to move from browser to terminal I use Ctrl+Alt+Down, but to move from code editor to terminal I have to do Ctrl+Alt+Left. Instead I should just do Ctrl+Alt+T for terminal, for example. Thanks!

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• How can I prevent Windows 7 from automatically changing the firewall settings (turning it back on) when changing network location?

  - by YpeDeg

  By default, the firewall is turned on on all my workstations. I want to disable it. That works just fine. However, if Windows thinks there is a change in the Network Location, the "Set Network Location" dialog appears. At that point my Firewall is still disabled. When my users click on any of the three options "Work", "Home" or "Public", Windows immediately changes the firewall settings and turns it back on. Is it possible to stop Windows 7 from automatically turning the firewall back on when you change the Network Location? If yes, how could I perform this task?

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• < key triggers sticky alt on Windows 7

  - by Xoundboy

  When using a code editor like Notepad++ or Eclipse I'm experiencing a rather annoying problem: each time I type the < key the keyboard latches into some unexpected mode whereby the subsequent keypress behaves as if the alt key were being held down. The only way to return to normal mode is to hit the escape key twice immediately after I type a < character. The keyboard is a Microsoft Comfort Curve 2000 and the OS is Windows 7. Does anyone have any idea what I should do to stop this behaviour? Thanks

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• Can not start Apache 2.2.22 in Fedora 15

  - by Roderik

  I am trying to start Apache 2.2.22 under Fedora 15 on my local machine. After fixing some errors related to missing modules, httpd -t will just give me 'Syntax OK'. However when I try to start apache as the root user: service httpd start it still returns: Starting httpd (via systemctl): Job failed. See system logs and 'systemctl status' for details. [FAILED] When entering systemctl I don't see any extra information other than: httpd.service loaded failed failed LSB: start and stop Apache HTTP Server So I wonder where to look now to get this back up and running.

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• When XP is asleep for a long time LAN reports code 43, gives up the ghost.

  - by seeanimal

  This one's got me stumped. Whenever the system is asleep for a long time, e.g overnight, the LAN driver reports error code 43 ("a problem") and turns itself off. This has being going on for months, but I never caught the problem until now. The owner merely shuttles back to a restore point I set her when the machine worked. Previously (without knowing exactly what was happening) I have tried everything to resolve this. Manually resetting the TCP/IP, fiddling with the driver Wake From LAN settings, DIFFERENT drivers, etc. etc. The solution is easy, uninstalling and reinstalling the driver. Understandably, though, the user is uncomfortable with this operation and the problem persists. What's causing it and how to stop it recurring? Any ideas? Thanks in advance to this great community. XP home SP3, Marvell Yukon 88E8056 PCI-E Gigabit Ethrnet Controller, version 10.22.7.3 (yk51x86.sys)

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• How to know when the Client is disconnected from Server in C#?

  - by menacheb

  Hi, I have a Client-Server program in C#. Here is the Server's code: ... String dataFromClient = ""; NetworkStream networkStream; TcpClient clientSocket; bool transfer = true; ... while (transfer) { networkStream = clientSocket.GetStream(); networkStream.Read(bytesFrom, 0, (int)clientSocket.ReceiveBufferSize); dataFromClient = System.Text.Encoding.ASCII.GetString(bytesFrom); dataFromClient = dataFromClient.Substring(0, dataFromClient.IndexOf("$")); .... } I want to make a condition that stop the loop when the Client is disconnected. How can I do that? Many thanks,

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• QuickTimeInstaller causing me buckets of issues

  - by Chadworthington

  Today I saw this message: After it installed and I rebooted, I was getting the Blue Screen of Death every few clicks. So...to resolve, I restored to a Restore Point when all was working, 2 days ago. Then, QuickTime reappeared and tried to reinstall itself. Is this iTunes related? or might it be related to Windows Live Messenger? Any suggestions on how to stop this auto installation? Update: Rolling back to a previous Restore Point temporarily fixed the issue but the patch was automatically applied a second time. Then, I made the horrible mistake of uninstalling iTunes and this caused my previous old restore point to be wiped away because of a limited amount of space that I alloted to the Windows Restore functionality. I fear that I will be faced with many issues ahead... Please help

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• Apache routing vhosts to /var/www

  - by FHannes

  One user at my site has reported that he reaches the content at /var/www when browsing to any of the vhosts at my server. As far as I’m aware, my Apache server does not contain a document root that references this folder. On top of that, this user seems to be the only one experiencing the issue. According to his ISP, the issue isn’t caused by them, yet, on his mobile connection, he can access the site. When browsing to my server’s IP, he also receives the correct content from the default vhost. What could be the possible causes of this issue and how can I get it to stop? I’ve explored pretty much every option I could think of.

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• Stopped windows firewall service during ICS, how is this possible?

  - by insipid

  Although windows firewall is required to be on when you "start" Internet Connection Sharing, you can stop the WF service with MMC. When done a client can still use the host machines internet. The firewall had port 80/http blocked, and now it is open for incoming traffic. However other ports used by applications on the host and client which communicate with each other still seem to be blocked. Can anybody explain what might be happening here? Doesn't ICS need windows firewall for NAT? Note: I am not actually seeing anything in the firewall logs after stopping the service, but even packets sent localhost on the host machine never arriving on these other random ports.

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• Started an application through SSH, command line now gone, what happens next?

  - by Chris Dutrow

  Context: This is a very basic question Using Putty and SSH for the first time to do some serious server setup and run into the situation where I have started a process that I do not want to stop. The process is the gunicorn WSGI HTTP Server (running on Centos 6.3). The command I used to start the process is (as per their Quick Start): gunicorn -w 4 myapp:app At this point in the work session, I have lost the command prompt. This must be such a non-issue that it doesn't even enter into an experienced user's consciousness. But unfortunately at my level of experience, I am left with several fundamental questions: Does the fact that I have lost the command prompt mean that the process is still running? How do I get back to the command prompt without killing the process? How do I come back and monitor the process later? How do I eventually kill the process? Any help is appreciated, thanks so much!

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• What can cause a black or blank screen when pressing logout or switch user in windows 7

  - by Medran

  The situation I have here is related to a brand new dell machine with a GTX260 video card. Put simply after one user logs in when that user either 'switch users' or 'logs out' windows goes to a black/blank screen. The TV screen that is used with this computer previously functioned fine with fast user switching on an XP machine. The new computer is windows 7. The TV is not outputting any error messages like 'no signal' or anything else that would be displayed if the computer was off. You can fix the problem by cycling the input on television, after cycling the input the welcome screen appears as normal. What I want to know is what on earth is windows doing that would cause the video card to stop sending the same signal to the monitor when the user logs off or switches users. I mean as far as I can tell the resolution is identical between windows and the welcome screen. Or perhaps if somebody has experienced this before a fix would be great too.

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• List all documents (webparts) and sites using a certain solution in sharepoint 2007

  - by tnolan

  I would like to uninstall a Sharepoint application template (GroupBoard Workspace to be exact) but I want to make sure nothing currently relies on it. I don't see any functions within stsadm that will tell me this information and I have even tried SPM which would work, but with such a huge site it's tedious to go through every single web and page to see which features are in use. Is there a way (probably with SQL using the id from stsadm -o enumsolutions) to list everything that relies on a template within a given solution, including webparts on custom pages? If this is not possible, what is the best way to check dependencies prior to uninstalling a solution (especially since GBW is not the only one on my axe list.) Note: I know that stsadm -o deletesolution will stop me from removing something that is in use, but I want to see all of the things that are using a given solution.

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• Unkillable process problem

  - by skevar7

  I closed application, but the process remained in the list. I try to stop in from the task manager, but nothing happens. No error messages, process just stays in the list. I try to debug it, but the debugger says: Unable to attach to the crashing process. The requested operation is not supported. This happens with VS2008 and some other programs, sometimes. What? The? Hell? How to kill it?

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• Unidentified Window OnStartup

  - by CMP

  Every time I start up windows vista lately, I see a random floating window. It is a tiny little window with no title, and only the resize, maximize and restore buttons. I'd post an image, but I don't have reputation here yet. I can close it, and it does indeed go away, but I would love to figure out what it is and stop it from popping up at all. I used Autohotkey's window spy on it and all I learned is that it is a swing window, which doesn't help me out a whole lot. Is there a good way to identify which process it belongs to and figure out how to kill it?

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• Total network data sent/received of a non-daemon Linux process?

  - by leden

  I'm looking for a simple and effective way of measuring total bytes received/sent from a single process upon its termination. Basically, I am looking for a tool which has the interface similar to "time" and "/usr/bin/time", e.g. measure-net-data <prog_to_run> <prog_args> Received (b): XYZ Sent (b): ABC I know that there are many tools for bandwidth/network monitoring, but as far I can tell all of them are performing the measurements it real-time, which is inappropriate not only because of overhead but also because of the inconvenience - I would need to stop the program, capture the output of the tool and then kill it. I have seen that newer versions of Linux 2.6.20+ provide /proc/<pid>/io/ which contain the information I'm looking for; however, everything under /proc/<pid> when the process terminates, so I'm again back to the same problem as with any network monitoring tool.

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• Automatic repair software

  - by ADOConnection

  Do anyone knows any kind of apps or services for "taking care of servers"? (besides managed servers) There are hundreds of ways your server or application can stop working properly. Small things are easy to miss but usually easy to fix. Log overgrouth, configuration issues, etc. Of course there are best practice checklists, but its not a human task to check configuration best practices. Im sure it can be automated: some kind of agent can monitor all system settings, say what is right and wrong and give suggestions on how to make it right. I have to admin several servers and I need some kind of overview of overall situation. As well as a tool, that will fix problems automatically. Can you people suggest something? (I know its a little bit out of rules of SF, but I think this particular question is quite specific) It would be great to have something like http://stackoverflow.com/questions/1451319/asp-net-mvc-view-engine-comparison but for automation software.

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• windows 8 stops working after gparted

  - by Xavier T

  My laptop (windows 8.1) has a big partition so i would like to spit it into two smaller partitions. I tried hirens boot and jumped into gparted (something i have never used before) I resized windows partition (c:) and created a new partition, reboot, and my laptop cant boot I am seeing in gparted - sda1 ntfs recovery 300MB - sda2 fat32 100MB - sda3 unknown 128MB msftres - sda4 is my original C partition - sda5 is the new partition I tried with Windows 8 DVD there are options to automatically fix but it did not work. I also tried with make PC fresh or something like that and windows told me it cant fix because the drive is locked. Any help would be greatly appreciate. I stop playing with the tool now. GParted 0.7.0 of Hirens 13

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• Migrating to a new server

  - by KThompson

  I was asked by a client to move a website to a new server. Normally I would make a local copy by downloading it and then uploading it to the new server after making any necessary configurations of course. This particular client has like 1 million images ranging up 1MB and I still haven't found a solution as to how to move these properly. I have tried zipping them on the server first but the file gets too big and it seems to just stop. Anyway, the client told me he can set up a "portal" so I don't have to download and re-upload the files. I have never heard of this no can I find what this is. Any of you know something that fits this description or solution to my image problem? Thanks in advance

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• Log off as local "administrator" user, get blank login screen

  - by Force Flow

  I have an imaged lab environment running Windows 7 and attached to a domain. The local Administrator account is enabled for certain maintenance and prep tasks. Every time I logoff from the local Administrator account, it brings me back to the standard Ctrl+Alt+Del login screen. When I press that combination, all the user controls vanish except for the accessibility button down in the left hand corner. The only way I can seem to escape from this is to tap the power button to initiate a shutdown. Windows is up-to-date, and logging off as any other user operates normally. The "hide last user" local security policy option is enabled. Has anyone seen this phenomenon before and how can I stop this from happening?

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• Installed Ubuntu 11.10, getting hard disk health warnings

  - by Brad

  I'm getting hard disk health problem warnings... When I click the "examine" button the disk utility pops up. None of my drives are reporting any major issues, and the very first drive doesn't even have a SMART button. I don't really care if one of the drives is crashing, I've got everything backed up, but I just want to know how to stop these god forsaken message boxes from popping up randomly. I have already gone into the Disk Utility and checked "do not notify me if this drive is failing" on all of them except the one that doesn't have the SMART button. I've googled about as much as I can for one day.

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• Nginx works on my linux machine but is not accessible from other computers in my local network

  - by crooveck

  In my LAN network I have a server with Scientific Linux (RedHat or Fedora based distro), I've done yum install nginx but the welcome page is not accessible from other computers in my network. When I do telnet open localhost 80 and then GET / HTTP/1.0 I get some html code from nginx, so it's running for sure. But when I want to connect remotly, doing telnet open 192.168.3.130 80 I get: Trying 192.168.3.130... telnet: Unable to connect to remote host: No route to host So I assume that there is something wrong with my network settings, maybe iptables or something else? Next step, I turned off iptables: service iptables stop and it helped, now I can connect remotely using telnet. So I think, I need to fix my iptables rules. I did some googling and found this rule -A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT but it still didn't allow me to connect remotely when iptables is up. Can someone please help me setting a proper iptables configuration?

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• Excel macro to delete empty rows isn't stopping

  - by RocketGoal

  How do I make it stop after a certain amount of rows? I've taken a VBA course and my teacher explained how to delete empty rows. I'm now trying to put this in place but my macro isn't stopping. I thought I had limited it to 200 rows. I'm missing something important. Any pointers much appreciated. Sub RemoveRows() ' Remove rows from last blank cell Dim LastRow As Long Dim ISEmpty As Long 'Count how many records in the list. This is done so that the Do loop has a finish point. LastRow = Range("A200").End(xlUp).Row 'Start at the top of the list Range("A1").Select 'Loop until the end of the list Do While ActiveCell.Row < LastRow 'Assign number of non empty cells in the row ISEmpty = Application.CountA(ActiveCell.EntireRow) 'If ISEmpty = 0 then delete the row, if not move down a cell into the next row If ISEmpty = 0 Then ActiveCell.EntireRow.Delete Else ActiveCell.Offset(1, 0).Select End If Loop End Sub

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• Viewsonic monitor keeps showing its on-screen menu incessantly

  - by markvgti

  Since yesterday my Viewsonic 22" monitor (VX2255wmb) keeps showing its on-screen menu incessantly, without my touching any of its buttons. The menu comes on in the centre of the screen, stays on for 8-10 seconds, disappears for a second or two, then repeats the cycle. This happens whenever there's a signal being sent to the monitor. I can't actually navigate the menu when it appears on-screen. Pressing the power button, or the Up and Down buttons on its right edge dismiss the menu, only for it to reappear again. These symptoms have appeared before, but earlier they'd stop after 5-10 mins. The power button on the monitor has always been iffy, but now it doesn't seem to be working at all--have to switch off power supply from mains when I leave my desk. Using DVI input on this monitor as my HP desktop has DVI output.

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• No Audio Output Device is installed

  - by mabho

  Hi, this is an intermitent problem in my Sony Vaio model PCG-5K1L. I keep on getting a "No Audio Output Device is installed" when hovering my loudspeaker icon in Windows Vista. I have tried System Device Manager Sound Realtek High Definition Album Update Driver Software. The update process went through, but nothing happens. Still Vista does not seem to recognize my audio software. The strange part is that out of nothing my sound card can resume working to stop again hours later... If someone has any clues to solve this, please, help. Thanks a lot.

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