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• Configure firewalld for OpenVPN (server-bridge) in Fedora 20

  - by rsc1975

  I've installed an OpenVPN server (server-bridge) on Fedora 20, but I cannot get it to work. I'm almost sure that It's a firewall issue. I'm trying to connect from an OSX client, but I can connect (just connect to VPN server, without access to anything) before the bridge is configured in server, however once I configure the bridge interface (using this script), then I cannot connect anymore. I've configured it as server-bridge, following these HOW-TOs from Fedora and OpenVPN Ethernet-Bridge. The firewall config is explained using iptables: iptables -A INPUT -i tap0 -j ACCEPT iptables -A INPUT -i br0 -j ACCEPT iptables -A FORWARD -i br0 -j ACCEPT However, in Fedora 20, by default, It's installed firewalld, so, Can anyone tell me the equivalent commands using firewall-cmd ? I read the firewalld guide, but It's not clear to me how to achieve it (I'm a developer, no SysAdmin). I know that I can install iptables, but I want it to work with firewalld.

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• 1 Computer Pulls Wrong DNS Every Morning

  - by bradenkeith

  One of my users takes his laptop home, connects to his internal network fine. He brings it in every morning and since Monday - every morning it pulls the wrong DNS every time. It pulls 1 DNS: 192.168.1.1 which is the router. The DNS are external IPs. I have several users that take their laptops home and connect to other networks - what could cause this anomaly? He's booting up when he comes in the office and a simple ipconfig /release /renew fixes the issue.

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• Maxivista vs. Synergy vs. hardware KVM switches [closed]

  - by GetFree

  I have 2 PCs on my desk, each one with its own screen, mouse and keyboard. And it's a pain moving from one PC to the other (even though they are one foot away from each other). So, it's time to change to different approach: KVM switches. What would you recommend for a setup like mine? I dont need to change monitors since they are both in front of me. I just need a way to change mouse and keyboard. I use Windows on both PCs and money is not an issue if it worth it. What would be the best option for a seamless integration of the two PCs? Edit: What about other software similar to Synergy, like Input Director? What's more convenient in your experience?

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• Keeping shortcuts in Windows XP current (automatically)?

  - by NT

  Hello, In Windows XP Pro (SP2), there seems to be no way to have shortcuts automatically updated so they can stay connected to their target files or folders after the latter have been moved or renamed. So I'm looking for more efficient ways of reconnecting broken shortcuts with their moved or renamed targets than manually deleting them and re-creating new ones (this can be quite a chore if you reorganize your files and folders often, resulting in a lot of shortcuts to fix); and I'd like to find out if there are any PC programs that can monitor shortcuts on Windows XP and automatically fix them when their target files or folders get moved or renamed. Any suggestions on this issue will be greatly appreciated. Thank you, NT

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• Realtime website slowness (PHP/MYSQL)

  - by 3s2ng

  We got a website with realtime transactions. The past few days we experienced some slowness during a period of time. Usually the slowness last for 5 minutes. And also during the slowness we noticed that sometimes we can not connect to SSH and FTP or sometimes very slow to connect to those services. Currently we are trying to identify the issue. We already setup database monitoring tool. Now are about to signup with pingdom.com My question is. If the website is too slow due to the database (table or row lock) will it affect the other services like SSH and FTP? Does the ping correlates the page load and the connection between my PC and server? Thanks, Mark

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• Windows XP reinstall, now I am unable to connect to broadband what shall I select to do this?

  - by waterfallrain

  My hardrive was failing so I needed to reinstall Windows XP. I completed the reinstall and the drivers but now only the wireless connection works. The broadband states connected but does not go out to the Internet. When I click Internet Explorer it says unable to find webpage. I have tried several major sites so I know it's not the site but some configuration or something I need to do on my end. When I go to the command prompt and renew the IP address it refers to my wireless, nothing about this broadband connection. What do I type/select to get this to go out to the Internet. The broadband is working for my other laptop so I know the connection is not the issue. Any help would be much appreciated.

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• Should developers do their own software releases (if there is a prod support team in place)?

  - by leora

  I know there are going to always be differences depending on the particular size, staff etc, but i wanted to get feedback in general around: In an environment where you have a production support team doing first line support and release management, is it better to simply have developers manage their own releases instead? In this case, its internal software at an insurance company but the question should be valid at any company, size, etc I think. Currently, we have our production team do releases but there is an argument that its inefficient and that if you allowed developers the ability to do it, they will focus more on making it simple and efficient and avoid basically passing on scripts, etc to run to another team. The counter argument is that if you don't have a check and balance, you could get a software team (or an individual) that doesn't a very hacky job about getting their software out there (making on the fly changes, not documenting the process, etc) and that by forcing the prod support team to do the actual release, it enforces consistency and proper checks and balances. I know this is not a black or white issue but I wanted to see what folks thought on this so the discipline and consistency is there but without the feeling that an inefficient process is in place.

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• dell E6500 laptop will not hibernate/standby

  - by Mark Schultheiss

  I am using a Dell E6500 laptop with windows XP on it, it was originally tagged/installed with Windows Vista. My issue is, when I close the lid, it will not either Hibernate or Standby. If I close the lid with either of these options, I then have to startup from scratch, and anything I had open is not open. I just want to close the lid, have it keep what I have running, not use power util I open the lid again and start it up (with the stuff still open I had open of course). Suggestions?

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• Collider2D and Rigidbody2D, how do they work?

  - by user42646

  I have been learning JavaScript and Unity for a week now. I learned how to make Cube as a Ground and another Cube as a player and I used this code to make the Player Cube move forward and backward and jumping var walkspeed: float = 5.0; var jumpheight: float = 250.0; var grounded = false; function Update() { rigidbody.freezeRotation = true; if (Input.GetKey("a")) transform.Translate(Vector3(-1, 0, 0) * Time.deltaTime * walkspeed); if (Input.GetKey("d")) transform.Translate(Vector3(1, 0, 0) * Time.deltaTime * walkspeed); if (Input.GetButton("Jump")) { Jump(); } } function OnCollisionEnter(hit: Collision) { grounded = true; } function Jump() { if (grounded == true) { rigidbody.AddForce(Vector3.up * jumpheight); grounded = false; } } I also learned how to make a character hit box. how to make a sprite and animation. pretty much the basic stuff. Couple of days ago I created simple ground in Photoshop and a simple character and imported them to Unity3D. Whenever I use my code above the character keeps falling from the scene. Like the character has nothing to stand on. After thinking about it it make sense because I really didn't make anything to make the player character understand that he should stand on something so I started reading about this issue and I realized that there is something called Collider2D and Rigidbody2D. Now I'm really stuck here I just don't know what to do. I applied the rigibody2d to my character picture and the Collider2D to the ground picture but whenever I play the project the gravity makes my character falls down. This is my question: How can I make the rigibody2d object realize that it shouldn't fall if there is a Collider2D object under it? So when I jump it's going to jump and the gravity going to bring it back to the ground.

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• Free memory outside function [migrated]

  - by Dev Bag

  Can you please help with this issue, is the below gonna leak memory or is it ok? and please let me know if there is something else that I need to pay attention to typedef struct { int len; UC * message; }pack; pack * prepare_packet_to_send(const int length,const unsigned char tag,const int numargs, ... ) { pack *layer= malloc(sizeof(pack)); va_list listp; va_start( listp, numargs ); int step = 0; layer->message = (unsigned char *) malloc(length); layer->len = length; int i = 0; int len = 0; unsigned char *source_message ; for( i = 0 ; i < numargs; i++ ) { source_message = va_arg( listp, unsigned char *); len = va_arg( listp, long); memcpy(layer->message+step, source_message, (long) len); step+=len; } va_end( listp ); return layer; } main() { pack *test = call prepare_packet_to_send(sizeof(var1)+sizeof(var2),any tag,any args) // are following two frees correct/enough? or is there something else i need to do to prevent mem leak? free(test->message); free(test); }

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• .htaccess rules not working, but the file seems to be loaded

  - by user221877

  I am trying to remove .php at the end of the URL from any page thats loaded. RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME}.php -f RewriteRule ^(.*)$ $1.php Its running on my own server, which has WHM/cPanel, so I can change settings at the server level, I'm just not really sure what I'm looking for. I found the httpd.conf file, but it said it was auto generated by whm, so I tried looking in whm for the correct settings but it had barely any settings related to htaccess. If I fill htaccess with gibberish it stops the site from loading, which I assume means that the .htaccess file is being loaded, so I'm not sure what the issue is.

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• can power supply affect I/O

  - by user101289

  I have a dev server machine running Ubuntu 12.04. For a long while it's been throwing intermittent errors where it would suddenly tell me "File system is read only" or drop into a GRUB error console on boot. I've done disk checks, bad blocks, etc. and no real problems with the main SATA drive were detected. Finally the drive would not be detected at all-- but neither would other drives I plugged in (via SATA). I plugged the supposedly "bad" drive into another server and it worked fine, no issues, for days-- so I assumed the motherboard had a bad SATA controller, and replaced the motherboard with an identical model. I replaced the drive into the original machine with the new motherboard, rebooted-- and the same issues-- I/O errors, failure to read the drive at all, dropping into GRUB, etc. I'm wondering if there could be some other issue with this machine, that's not related to the drive-- possibly power supply? Thanks for ideas

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• Mysql too many connections but not visible in fullprocess list

  - by user968898

  I got a big problem, I guess it's something like a dos attack but I am not sure. Since this morning, my database is very slow and gives me 7/10 times a too many connections error or tries to login with www-data user (as following up of the too many connections error?). I tried to locate the issue by mysql command line with 'show fullprocess list' but it gives me just one response back and that 'me'. What can I do about this? The websites are still running ok, but mysql is overused I guess.

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• Citrix has issues resolving network shares

  - by George

  We are having this weird issue with our Citrix (version 4.5) server (sitting on Windows 2003 r2), where a couple users have issues resolving single shared network drive. We use a logon script to map all shared drives. The weird part is that of 3 shared drives, users can access 2, but the 3rd one goes to the old server (even though the logon script points to the new server). And that issues is limited to a few users. I had them log off and re-loggin to no success. It happens just in Citrix. The file server, that is being accessed, is Windows 2008 R2. Like I said we use a logon script to map the network drive. I understand I might be a little confusing, I will gladly reword the post.

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• Access to certain files but not others

  - by ADW

  Hoping someone can help me as I have, thus far, been unable to solve the issue. I am running a media center utilizing Ubuntu 12.04. I was initially successful accessing media files from the desktop running Ubuntu via my Windows 7 laptop and Roku device. I started backing up a new batch of DVD's I had (into MKV files, like everything else in my media folders) and noticed I cannot access the new files from either the Roku or the laptop. I have not changed any settings in the media folder and verified the shared permissions. The parent folder (Media) is shared (with permission flow-down) while the subfolders (Movies, TV Shows, Music) are not. I have changed the permissions on this to include shared when the access problem arose but with no success. I can only access the original files uploaded an not new files added. Any suggestions??? Thanks in advance for any and all help.

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• Live HTML Preview

  - by netbeanstips

  When you need to edit an HTML document in NetBeans you may find useful this little plugin that adds a Preview tab to HTML editor window. The plugin works with some small issues in NetBeans 7.4 but I recommend using development builds instead. So install the plugin, restart NetBeans and open any HTML document. Notice there's a Preview button in editor's toolbar (see the red rectangle in the picture below). Now split the editor window by dragging the split button at top right corner. You can also use menu View - Split - Vertically.  Then in the bottom split part toggle Preview button. You will get a live preview of your HTML source code. The preview pane will auto-refresh as you edit the HTML code. There are even some handy tools in Preview toolbar, for example you can resize the preview browser to match the screen dimensions of various device types. I know there is full-blown HTML5 support in NetBeans 7.4. But if you need to edit a single document or when you're running Java-only NetBeans distribution this plugin may come handy... Note: The plugin is built on top of embedded WebKit browser which is based on JavaFX WebView component. So there might be some issue when using the plugin on some flavors of Linux.

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• Interconnection between 2 computers in different networks.

  - by cripox

  Hi, What I want is to connect 2 computers (work and personal) primary for using a software KVM (Input Director or Synergy). Transferring files between them would be a plus. The main issue is that the work computer is in a secured enterprise network, and my personal computer is using a 3G+ modem for Internet access. On the work computer I do not have Internet access (only local network). I want to somehow connect them without to mess up either networks. I want my personal computer to not be seen in the work network. Is it possible? Suggestions: - use a simple UTP cable to connect the 2 computers with each other. Can they each be in both 2 networks without issues? - use some kind of usb cable, if exists

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• Why does my Microsoft Habu force me to unplug and replug in when booting up?

  - by jordsta

  I'm not too sure why, but every single time I boot my computer, I have to unplug and replug my semi-new Microsoft Habu, when I use Windows 7. Why does it do this? I've been through my BIOS, msconfig, and what-not.. It just seems to happen all the time. I've even looked in forums, with people resorting to changing their mouse because of the same issue.. It's stupid. Hopefully someone else can help... hopefully someone with experience with this mouse.

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• mod_rewrite not working after upgrade to 12.10

  - by CrowderSoup

  I'm hoping this is a quick and simple fix and that I just need a fresh set of eyes. However, I'm fearful that it might actually be an error in the latest build of the rewrite module. I have a .htaccess file that turns on the rewrite engine (I've made sure the module is enabled), creates some rewrite conditions, and finally a rewrite rule. Here's my .htaccess file for reference: <IfModule mod_rewrite.c> RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?request=$1 [L,QSA,NC] </IfModule> Now for the problem: if I go to hostname.com it works fine. If I go to hostname.com/Index it works fine. However, if I go to hostname.com/index it doesn't rewrite the request and I get a 404. I'm not sure what's going on here. I've used a rewrite rule tester and there doesn't appear to be any issues with my rewrite rule itself. Again, this issue didn't manifest until after I upgraded to 12.10, at which point I know that Apache was updated. Any thoughts? Has anyone else here experienced this? I know that two other people besides myself have experienced this here. Thanks in advance for any help you can provide!

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• mod_security: How to allow ssh/http access for admin?

  - by mattesque

  I am going to be installing mod_security on my AWS EC2 Linux instance tonight and need a little help/reassurance. The only thing I am truly worried about right now is making sure my (admin) access to the instance and webserver is maintained w/o compromising security. I use ssh (port 22) and http (80) to access this and I've read horror stories from other EC2 users claiming they were locked out of their sites once they put up a firewall. So my question boils down to: What settings should I put in the mod_security conf file to make sure I can get in on those ports? IP at home is not static. (Hence the issue) Thanks so, so, so much.

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• Excel: #NAME? appearing when linking/referencing other spreadsheets/workbook cells

  - by Mike

  I'm updating a spreadsheet that refers to data in another worksheet =NameofWorksheet for some reason I get #NAME? in some of the cells, even when the actual path is correct. The only way to overcome the problem is to open up the source spreadsheet and then recalculate the destination spreadsheet. But, if I then close the workbooks; open up just the destination workbook the #NAME? issue comes back. I've even created a test destination spreadsheet and it doesn't suffer from the #NAME? problem. Any reason for this? Should I be worried about the integrity of some Sheets? Any advice greatly appreciated. Michael.

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• Setup of Citrix-Client (xenapp) doesn't work on Windows Vista Utimate

  - by Ice

  I have a notebook with a fully patched Vista Ultimate and there was a Citrix ica-client installed for access on our citrix-server(s). Once the client couldn't access the server – it took so much time ( 5 min) and everything froze. I did an uninstall und cleaned up the registry. But now it's not possible to reinstall a xenapp-client even the newest directly from www.citrix.com. What could be the reason? How to fix this issue? PS: At the moment I start a vm with an XP and the citrix-access runs like a charm, but that only could be a work-a-round.

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• How to test which button is stuck

  - by Macha

  My laptop's keyboard is prone to buttons sticking. The fix is to just press the same button again. Now when it is the letter/number keys are stuck, it's just a matter of putting the cursor in a text field, and seeing what characters appear. However, when it is one of the modifier keys, or tab, or enter or a few other buttons, it gets harder to tell which key is to blame. Trying to type can result in all sort of shortcuts being triggered. Is there anyway to test what input is being recieved? Also, I'm guessing this is a hardware issue, but if anyone knows of any possible causes/solutions it'd be appreciated. It's a Dell Studio 17, and the problem occurs under Windows and Linux.

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• Problems using "at" with Apache

  - by Alex Padgett

  I'm trying to use a PHP script to create at jobs, but when it comes time to execute the jobs, nothing seems to be happening. I've tried to output any errors to log files, but have had no luck. It seems obvious that it's a permissions issue, because when I set apache to run as my personal user, everything works fine. However, when I exec wget directly from PHP, everything works fine so it seems that apache has the correct permissions to use it. The problem appears to be when using at in conjunction with apache. So I need to find a way to make this work with apache running as its own user. Here is the command I'm using: echo "wget -qO- http://example.com/" | at now + 1 minute 2>&1 Any ideas? EDIT: Apache can create the at jobs, it just seems that when they execute nothing is happening.

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• Can I capture input text with the P?roblem Steps Recorder on Windows 7?

  - by WindyCityEagle

  I have recently been introduced to the Problem Steps Recorder on Windows 7. It's great. Trouble is, it does not recorder keyboard input. When I look at the output of a recording all I see it User keyboard input in "Untitled - Notepad" [... Backspace Backspace Backspace Backspace Backspace ...] So I know the user typed SOMETHING and then deleted five characters. Is there a way to get the PSR to record what was inputted? Or is that a security issue? This isn't a big deal for notepad, but for custom apps it would be nice to know exactly what a user typed into a text box.

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