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  • nginx virtual hosts are not working, all vhosts goes to the default one

    - by Adirael
    Hello, I just did a clean install of nginx + php-fpm on a VPS running Ubuntu 10.10, nginx is serving and PHP is working fine, but I'm not able to add vhosts to it. Well, I can add them, but only one works, the rest go to this first one. This is my first vhost, for host1: server { listen 80; server_name host1; access_log /var/log/nginx/host1.log; error_log /var/log/nginx/host1.error.log; location / { root /var/www/vhosts/host1/; index index.html index.htm index.php; } location ~ \.php$ { include /etc/nginx/fastcgi_params; #fastcgi_pass 127.0.0.1:9000; fastcgi_pass unix:/var/run/php5-fpm.sock; fastcgi_param SCRIPT_FILENAME /var/www/vhosts/host1/$fastcgi_script_name; fastcgi_param PATH_INFO $fastcgi_script_name; fastcgi_index index.php; } } And the second one, for host2: server { listen 80; server_name host2; access_log /var/log/nginx/host2.log; error_log /var/log/nginx/host2.error.log; location / { root /var/www/vhosts/host2/; index index.html index.htm index.php; } location ~ \.php$ { include /etc/nginx/fastcgi_params; #fastcgi_pass 127.0.0.1:9000; fastcgi_pass unix:/var/run/php5-fpm.sock; fastcgi_param SCRIPT_FILENAME /var/www/vhosts/host2/$fastcgi_script_name; fastcgi_param PATH_INFO $fastcgi_script_name; fastcgi_index index.php; } } The problem is, when I go to http://host1 everything is fine, but on http://host2, it just shows host1! I don't have Apache installed and everything comes from repos. Any pointers?

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  • TCP dies on a Linux laptop

    - by Roman Cheplyaka
    Once in several days I have the following problem. My laptop (Debian GNU/Linux testing) suddenly becomes unable to work with TCP connections to the internet. The following things continue to work fine: UDP (DNS), ICMP (ping) — I get instant response TCP connections to other machines in the local network (e.g. I can ssh to a neighbour laptop) everything is ok for other machines in my LAN But when I try TCP connections from my laptop, they time out (no response to SYN packets). Here's a typical curl output: % curl -v google.com * About to connect() to google.com port 80 (#0) * Trying 173.194.39.105... * Connection timed out * Trying 173.194.39.110... * Connection timed out * Trying 173.194.39.97... * Connection timed out * Trying 173.194.39.102... * Timeout * Trying 173.194.39.98... * Timeout * Trying 173.194.39.96... * Timeout * Trying 173.194.39.103... * Timeout * Trying 173.194.39.99... * Timeout * Trying 173.194.39.101... * Timeout * Trying 173.194.39.104... * Timeout * Trying 173.194.39.100... * Timeout * Trying 2a00:1450:400d:803::1009... * Failed to connect to 2a00:1450:400d:803::1009: Network is unreachable * Success * couldn't connect to host * Closing connection #0 curl: (7) Failed to connect to 2a00:1450:400d:803::1009: Network is unreachable Restarting the connection and/or reloading the network card kernel module doesn't help. The only thing that helps is reboot. Clearly something is wrong with my system (everything else works fine), but I have no idea what exactly. I don't know how to reproduce this, but as I said, it happens every several days. My setup is a wireless router that is connected to the ISP via PPPoE. Any advice?

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  • Create custom launchers in GNOME 3

    - by hochl
    I'm using Debian testing, and I have been switched to GNOME 3 by the Debian update yesterday. I'm not very comfortable with the UI. I wanted to customize everything like I had it with GNOME 2, but I simply couldn't find any way to change preferences like I'm used to. I've digged some, but all answers I could find did not help me achieve my goals. So please, if anyone knows the solution to this I'd be thankful: 1) I want several launchers that launch terminals, with different arguments and different coloring/title. I have searched everything and there seems to be no menu, no right-click, nothing which is standard in any UI I know. How can I create several launchers in this bar on the left side that launch the same application, just with different parameters? With GNOME 2 this was a piece of cake. 2) I want to switch between different terminals using ALT-TAB. Right now, I'm always just getting to the same, already-opened terminal. When I open two terminals by simply creating the second one by issuing xterm &, I still get one Terminal entry with ALT-TAB, and I have to navigate with cursor keys or mouse wheel to select one of the two xterminals. Instead, I want to open a new terminal when I click the quick launch terminal icon from the bar on the left side of the screen and navigate through them like on KDE/GNOME 2/Windows/any reasonable UI. Can this be done? 3) Is there a trick to make bluetooth devices work like on GNOME 2? Right now, my BT keyboard won't pair anymore, which, as you can imagine, makes me pretty angry. and, if anything fails: 4) How can I switch back to GNOME 2 again? :-) Honestly, who did design this? What were they smoking? I feel like I'm not allowed to do anything except start one of any application that has an icon and just with the default parameters. That can't be true, right? I feel massively restrained by this stuff :(

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  • Cant ping ip on LAN. Port forward works fine though.

    - by Anoop
    I have a Solaris 11 machine running inside the LAN. It is a default install. I can access the machine and ping it if I ssh into my router (if it matters, it is running dd-wrt). I cannot ping the Solaris machine using ip address from any other machine inside the LAN. But if I setup port forwarding everything works perfectly fine. I can also use the port forward from outside the LAN (from my office) - which is good and how I want it to be. I can SSH and ping and do pretty much everything else from outside as well as inside but only as long as I have the port forwarded from my router. Why would I not be able to ping or ssh or even access the Solaris 11 machine from within the LAN - I have checked and couldn't find any firewall running on the Solaris 11 box. I even tried disabling every known firewall on the router (dd-wrt, it had something like SPI firewall running). I even tried setting a static IP for my Solaris box but all in vain! Please help me understand how and why this happens!! Thanks.

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  • What can inexperienced admin expect after server setup completed seemingly fine? [closed]

    - by Miloshio
    Inexperienced person seems to have done everything fine so far. This is his very first time that he is the only one in charge for LAMP server. He has installed OS, network, Apache, PHP, MySQL, Proftpd, MTA & MDA software, configured VirtualHosts properly (facts because he calls himself admin), done user management and various configuration settings with respect to security recommendations and... everything is fine for now... For now. If you were directing horror movie for server admin above mentioned what would you make up for boogieman that showed up and started to pursue him? Omitting hardware disaster cases for which one cannot do anything 'from remote', what is the most common causes of server or part-of-server or server-related significant failure when managed by inexperienced admin? I have in mind something that is newbie admins very often missing which is leading to later intervention of someone with experience? May that be some uncontrolled CPU-eating leftover process, memory-related glitch, widely-used feature that messes up something unexpected on anything like that? Newbie admin for now only monitors disk-space and RAM usage, and number of running processes. He would appreciate any tips regarding what's probably going to happen to his server over time.

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  • Apache and Virtual Hosts Problem on OS X

    - by Charles Chadwick
    I recently formatted and installed my iMac. I am running 10.6.5. Prior to this format, I had the default Apache web server up and running with several virtual hosts, and everything ran beautifully. After formatting, I set everything back up again, and now Apache is acting funny. Here is a description of what I have going on. My default root directory for the Apache Web server is pointed to an external hard drive. In my httpd.conf, here is what I have: DocumentRoot "/Storage/Sites" Then a few lines beneath that: <Directory /> Options FollowSymLinks AllowOverride All Order deny,allow Allow from all </Directory> And then beneath that: <Directory "/Storage/Sites"> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny Allow from All </Directory> At the end of this file, I have commented out the user dir include conf file: Include /private/etc/apache2/extra/httpd-userdir.conf And uncommented the virtual hosts conf file: Include /private/etc/apache2/extra/httpd-vhosts.conf Moving on, I have the following entry in my vhosts file: <VirtualHost *:80> DocumentRoot "/Storage/Sites/mysite" ServerName mysite.dev </VirtualHost> I also have a host record in my /etc/hosts file that points mysite.dev to 127.0.0.1 (I also tried using my router IP, 192.168.1.2). The problem I am coming across is, despite having PHP files in /Storage/Sites/mysite, the server is still looking at /Storage/Sites. I know this because in the DocumentRoot contains a php file with phpinfo() (whereas the index.php file in mysite has different code). I have tried setting up other virtual hosts, but they are still doing the same thing. Also, "NameVirtualHost *:80" is in my vhosts file. I saw as a solution on another thread here. Doesn't seem to make a difference. Any ideas on this? Let me know if this is not enough information.

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  • Hard Disk based storage library

    - by Ryan M.
    We have a Tandberg T24 tape device to handle all of our long term backups right now. We decided that we're not backing up nearly everything that we would like to and that we still have a lot of vulnerabilities. To get to where we want to be, we're going to have to back up a lot more servers than we're currently doing. All of our internal servers have some sort of directly attached drive (I.e. LaCie Raid box or a simple portable hard drive) doing backups, but what we want to do is get those backups off-site. The current tape drive is directly attached via SCSI to a Windows Server 2008 File Server. So to back up anything to tape, it has to be funneled through the File Server. With the current increase that we have planned, I don't think that funneling everything through the File Server is the right course of action and I'm thinking that maybe a second backup device would be more appropriate. I would like your input on a couple of ideas. 1) Doing HDD instead of tape. Tape is hard to deal with. We have a regular rotation cycle, so they don't need years and years of shelf life, so I'm wondering if something HDD-based would be better. 2) Something accessible over the network. Instead of having the device directly attached to one specific machine, have it available to all the servers over the network. Our File Server is a 12-disk raid 6 set up.. I was thinking something like that, but with no raid involved, all disks are stand alone so they can be used/installed/removed on an individual basis. Does any such thing exist? Thanks for your ideas. I'm really interested to hear about some of the solutions you guys are using..

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  • Error at the end of APC install

    - by cinqoTimo
    I need to get APC running for a Drupal install of mine. I found a fairly concise guide at http://blog.4rev.net/2009-09/installing-apc-accelerator-into-php5-fedora-core-11/ for installing on FC11, only, I am using FC12. I figured I would give it a shot. I was able to run the following commands successfully - and yum installed fc12 versions of everything in the FC11 guide. yum install php-pear yum install php-devel httpd-devel yum groupinstall ‘Development Tools’ yum groupinstall ‘Development Libraries’ Then, I tried pecl install apc. Everything looked good until to got to the end, where it outputted the following error. /var/tmp/APC/php_apc.c: In function ‘zif_apc_compile_file’: /var/tmp/APC/php_apc.c:881: warning: unused variable ‘eg_class_table’ /var/tmp/APC/php_apc.c:881: warning: unused variable ‘eg_function_table’ /var/tmp/APC/php_apc.c: At top level: /var/tmp/APC/php_apc.c:959: error: duplicate ‘static’ make: *** [php_apc.lo] Error 1 ERROR: `make' failed Some people have had success with installing apc-beta, but that didn't work for me.. Any suggestions? Is there something I missed that is critical in the FC12 version?

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  • Can I clone my hard drive to an external and boot from the clone?

    - by willbuntu
    First thing: I am not asking what software I'm supposed to use. I already know the answer: Ghost (proprietary), Clonezilla, and dd (if I'm careful). What I really want to know is if it is possible to (essentially) bit-for-bit clone my entire installation (OS, installed software, activation(s), etc.) to an external USB hard-drive, and then boot off of that (if I need to, I know how to edit BIOS settings and use Plop boot manager), and work with it day-to-day as if there was virtually no difference from using my internal HDD now. Again, I'm not asking how to install Windows to an external (because I know I'd need to do some special workaround), I'm asking if I can clone everything and boot off of it. In case you're wondering why I'm going to this trouble: I'm using a Lenovo Essentials laptop that has an unmodifiable partition table (due to recovery crap), and has all 4 of its partitions spoken for (3 primary, one extended, cannot change the extended). Anyway, my thought is that if I can clone everything and boot off of it when I need to, and just have a Linux distro on the internal HDD, then that could work.

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  • Public Folders - Delete Public Folders from 2003 after migrating to 2010 (via Adsiedit) - safe?

    - by HeavenCore
    Similar Question: How do I delete a public store in Exchange 2003? We are ready to remove our Exchange 2003 server after having migrated all public folders and mailboxes to 2010. We ran for a week with the exchange 2003 server shutdown and everything seemed to work. When I try to delete the PF database from 2003 it says it contains replicas. Whilst migrating i only had one was sync working (from 2003 to 2010) so i believe that 2003 hasn't received the responses from 2010 saying replica removed. When I look in Public folders on the 2003 box none are listed, when i look in PF Instances they are all listed. I know everything has moved to the 2010 server and I know 2010 is not showing the 2003 server as a replica for any folders. I am looking to use ADSI edit to remove the Public folder database from the 2003 server, but want to ensure i am going to delete the right thing so that they do not get deleted from the 2010 database. Should i delete configuration, Services, Microsoft Exchange, Company Name, Administrative groups, First administrative group, Servers, Server name, Information store, First storage group, public folder store (Server name)? Or something else? I have checked and the only public folder with the old exchange server listed as a replica is SYSTEM CONFIGURATION. Thanks in advance.

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  • Windows 7 BSOD, safe mode working,

    - by mil0ck
    I need help getting my dualboot with Windows 7 and Ubuntu 12.04 to work, and since I'm not to experienced with computers I've been pretty dumb. Here's what I've done, quite shortend though: First removed a Ubuntu 10.04 partion, and replaced bootloader using EasyBCD Installed Ubuntu 12.04 on same partion as before Decided I need more space so I shrinked my C: partion (Windows partion) using Here, after rebooting my computer, I was stuck a grub rescue, when booting up the computer I fixed that by using SuperGrubDisk Rescatux and then using my Windows Vista install disk to repair the computer (computer is using Windows 7) I know re-installed Ubuntu 12.04 on the linux partion and got the GRUB-bootloader working Then, after using my computer for several hours, I installed beta drivers (version 304.79) for my GeForce GTS 240 and then rebooted my computer. At the first boot (after reboot) my computer just crashed, and here I am When trying to boot Windows 7 now I get a Blue Screen Of Death. I can though boot in to safe mode with everything working. I have uninstalled the beta drivers and installed the same one as before but still the same problem. I have tried all the commands in Bootrec.exe and none is working. I can't neither find an OS when using Bootrec.exe/ScanOs. I have also tried running: sfc/scannow and that comes out clean. Short: My harddrive and files seems to be intact but when booting I get bluescreen. I can though boot in to safemode with everything working. I need help Thanks to anyone who even took the time to read that. //mil0ck

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  • rsync --remove-source-files but only those that match a pattern

    - by Daniel
    Is this possible with rsync? Transfer everything from src:path/to/dir to dest:/path/to/other/dir and delete some of the source files in src:path/to/dir that match a pattern (or size limit) but keep all other files. I couldn't find a way to limit --remove-source-files with a regexp or size limit. Update1 (clarification): I'd like all files in src:path/to/dir to be copied to dest:/path/to/other/dir. Once this is done, I'd like to have some files (those that match a regexp or size limit) in src:path/to/dir deleted but don't want to have anything deleted in dest:/path/to/other/dir. Update2 (more clarification): Unfortunately, I can't simply rsync everything and then manually delete the files matching my regexp from src:. The files to be deleted are continuously created. So let's say there are N files of the type I'd like to delete after the transfer in src: when rsync starts. By the time rsync finishes there will be N+M such files there. If I now delete them manually, I'll lose the M files that were created while rsync was running. Hence I'd like to have a solution that guarantees that the only files deleted from src: are those known to be successfully copied over to dest:. I could fetch a file list from dest: after the rsync is complete, and compare that list of files with what I have in src:, and then do the removal manually. But I was wondering if rsync can do this by itself.

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  • PXELinux and compressed kernels/images

    - by Yvan JANSSENS
    Is it possible to boot compressed kernels with a compressed initrd with PXELinux? First, a little background: We created a custom Linux distro, for diskless OpenCL computing nodes. We want those nodes to fetch their OS from the network. Our Distro is composed out of a kernel (duh) and a large initrd which is loaded into RAM and everything is executed from there. We chose to run everything off the initrd for two reasons: NFS was not an option to serve the filesystem's extra contents Fast file access from RAM. No persistent storage needed, data and config is pulled dynamically through a SOAP service. Now our initrd is about 450M in size. At our network speeds, it takes about two to three minutes to load a single client. Will compression speed up te downloading, and if yes, which one should be used? Is LZMA supported by PXELinux, or do we need to stick to bzip2 or gzip? Because of the 2-3 minutes loading time, booting 15 nodes over the same network link takes quite a lot of time. We decided not to use hard drives or CD/DVD drives, for financial reasons (cheapest HDD @ €30 times 15 is a lot of money saved ;-) ) So, our question is: what compression options are available for this setup? And how do we do this? Thank you for your time! Yvan Janssens

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  • Is it possible to to create a live linux iso containing a win xp virtual machine?

    - by mark
    I would like to have a Linux live system that contains a Windows xp virtual machine. This would be run from a bootable USB flash drive. My attempts so far have been unsuccessful. I created a Lubuntu 12.04 virtual machine with VMware. I updated and configured it to my needs, and installed Virtualbox. I then created a Windows xp vm with Virtualbox in the Lubuntu vm. I tested everything and everything worked, including USB devices. I installed Remastersys in the Lubuntu vm, copied the xp vm folder to the /etc/skel folder then created the custom iso with remastersys. I burned the iso and tested it on a laptop. It worked flawlessly. All programs and wireless networking worked. My problem was the xp vm. Virtualbox started fine but would not run the vm. I have the following error: Result Code: NS_ERROR_FAILURE (0x80004005) Component: VirtualBox Interface: IVirtualBox {c28be65f-1a8f-43b4-81f1-eb60cb516e66}. I ran remastersys again changing the permissions on the skel folder to R W for everyone. I also logged into Lubuntu as root and ran remastersys again. Each iso I created worked fine but would not start the xp vm inside. The last attempt virtualbox gave me an access error stating it can not access the virtual disk. Is what I want to do possible? In theory I don't see why it would not work. Is it a permissions issue? Should I create the iso then add the xp vm after by editing the iso by hand? Using a vm and not real hardware as a build machine a problem? Any ideas? keep any responses in laymens terms. I am still a Linux novice.

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  • What to do after a fresh Linux install in a production server?

    - by Rhyuk
    I havent had previous experience with the 'serious' IT scene. At work I've been handed a server that will host an application and MYSQL (I will install and configure everything), this will be a productive server. Soon I will be installing RHEL5 to it but I would like to know like, if you get a new production server, what would be the first 5 things you would do after you do a fresh Linux install? (configuration/security/reliability wise) EDIT: Added more information regarding the server enviroment and server roles: -The server will be inside my company's intranet/firewall. -The server will receive files (GBs) in binary code from another internal server. The application installed in this server is in charge of "translating" all that binary into human readable input. Server will get queried to get this information. -Only 2-3(max) users will be logging in. -(2) 145GB HDs in RAID1 for the OS and (2) 600GB HDs in RAID1 also for data. I mean, I know I may not get the perfect guideline. But at least something thats better than leaving everything on default.

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  • Multiple SSL certificates on Apache using multiple public IPs - not working

    - by St. Even
    I need configure multiple SSL certificates on a single Apache server. I already know that I need multiple external IP addresses as I cannot use SNI (only running Apache 2.2.3 on this server). I assumed that I had everything configured correctly, unfortunately things are not working as they should (or maybe I should say, as I expected them to work)... In my httpd.conf I have: NameVirtualHost *:80 NameVirtualHost *:443 Lets say my public IP is 12.0.0.1 and my private IP is 192.168.0.1. When I use the public IP in my vhost my default website is being shown instead the one defined in my vhost, e.g.: <VirtualHost 12.0.0.1:443> ServerAdmin [email protected] ServerName blablabla.site.com DocumentRoot /data/sites/blablabla.site.com ErrorLog /data/sites/blablabla.site.com-error.log #CustomLog /data/sites/blablabla.site.com-access.log common SSLEngine On SSLCertificateFile /etc/httpd/conf/ssl/blablabla.site.com.crt SSLCertificateKeyFile /etc/httpd/conf/ssl/blablabla.site.com.key SSLCertificateChainFile /etc/httpd/conf/ssl/blablabla.site.com.ca-bundle <Location /> SSLRequireSSL On SSLVerifyDepth 1 SSLOptions +StdEnvVars +StrictRequire </Location> </VirtualHost> When I use the private IP in my vhost everything works as it should (the website defined in my vhost is being shown), e.g.: <VirtualHost 192.168.0.1:443> ...same as above... </VirtualHost> My server is listening on all interfaces: [root@grbictwebp02 httpd]# netstat -tulpn | grep :443 tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN 5585/httpd What am I doing wrong? If I cannot get this to work I cannot continue to add the second SSL certificate on the other public IP... If more information is required just let me know!

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  • Office 2010 Trust Center settings: How to enable data connections in the "old" way?

    - by GSerg
    We're planning an upgrade Office 2003 - 2010 and have identified a big problem. In Office 2003, if the workbook you're opening contains a query table that fetches data from a data source automatically (upon file open or in certain intervals), then a security dialog pops up - whether you want to allow that. If you say Yes, the queries will refresh automatically when they need to. If you say No, the queries will not refresh automatically, neither on file open nor on time intervals, but you will be able to refresh any of them manually at any time by right-clicking and selecting Refresh. There is also a registry parameter to say, Don't display that dialog, just allow the queries. This is exactly what we want. On users' computers we have the registry parameter applied, so the users never see any dialogs. On developers' computers the parameter is not applied, so every time a file is opened the developer decides whether to allow the auto-refreshing for the current session. Usually the answer is No, because for developing, it is essential to not have quieres refresh when they want to, but instead, refresh them when the developer wants. The problem is that in Office 2010 which we are testing we can't find a way to achieve this functionality: The allow/disallow messages are now grouped into one yellow button, that either allows everything or disallows everything (including, say, macros, if macro security is set to "Disable, but ask"). If you don't click the yellow Allow button, the queries are disabled completely, not just for automatic execution. You cannot right-click and refresh a particular query -- doing that would summon a security dialog prompting for enabling queries, and if you say Yes, all queries in the document will be enabled for auto-execution and will start executing immediately. This sort of ruins our development environment. Is there a way to get the trust thingies in Office 2010 to work in the same way as before? Is there a yet another registry parameter to say, Prompt for auto-refresh, but allow manual refresh even when auto-refresh is disabled?

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  • Mercurial confusion - commit / push, backouts

    - by Madmanguruman
    I'm trying to set up a repository on a shared filesystem. I'm using Mercurial 2.1.2 on a Windows-based architecture. I start with an empty folder on the shared filesystem and create a repository in it. After this, I dump in the baseline files, and add them to versioning, then commit the changes. I then clone the repository to my local hard drive. I then make a change in my local repository, commit it, then push back to the shared filesystem repository. The shared repo graph I get in TortoiseHG looks strange (to me). This is the shared repo: This is the local repo: On the shared repo, the working directory always shows up on the top, then the graph goes 'down' to rev. 0 then back 'up' again through various revisions. It looks to me like I have two different branches, even though everything is on the default branch. Also, that 'top' revision always says "* Working Directory * Not a head revision!" I noticed that in my local repository, I don't get that dangling working directory at the top of the list - everything is in one branch. I also noticed that on my local repository, I can back out the tip revision with no problem. On the shared filesystem repository, I cannot, since I get an error ("Cannot backout change on a different branch"). How can this be? Aren't they supposed to be identical to each other? Am I fundamentally doing something wrong?

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  • Scaling a node.js application, nginx as a base server, but varnish or redis for caching?

    - by AntelopeSalad
    I'm not close to being well versed in using nginx or varnish but this is my setup at the moment. I have a node.js server running which is serving either json, html templates, or socket.io events. Then I have nginx running in front of node which is serving all static content (css, js, etc.). At this point I would like to cache both static content and dynamic content to memory. It's to my understanding that varnish can cache static content quite well and it wouldn't require touching my application code. I also think it's capable of caching dynamic content too but there cannot be any cookie headers? I do use redis at the moment for holding session data and planned to use it for other things in the future like keeping track of non-crucial but fun stats. I just have no idea how I should handle caching everything on the site. I think it comes down to these options but there might be more: Throw varnish in front of nginx and let varnish cache static pages, no app code changes. Redis would cache dynamic db calls which would require modifying my app code. Ignore using varnish completely and let redis handle caching everything, then use one of the nginx-redis modules. I'm not sure if this would require a lot of app code changes (for the static files). I'm not having any luck finding benchmarks that compare nginx+varnish vs nginx+redis and I'm too inexperienced to bench it myself (high chances of my configs being awful). I'm basically looking for the solution that would be the most efficient in terms of req/sec and scalable in the future (throw new hardware at the problem + maybe adjust some values in a config = new servers up and running semi-painlessly).

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  • iptables rules to allow HTTP traffic to one domain only

    - by Zenet
    I need to configure my machine as to allow HTTP traffic to/from serverfault.com only. All other websites, services ports are not accessible. I came up with these iptables rules: #drop everything iptables -P INPUT DROP iptables -P OUTPUT DROP #Now, allow connection to website serverfault.com on port 80 iptables -A OUTPUT -p tcp -d serverfault.com --dport 80 -j ACCEPT iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT #allow loopback iptables -I INPUT 1 -i lo -j ACCEPT It doesn't work quite well: After I drop everything, and move on to rule 3: iptables -A OUTPUT -p tcp -d serverfault.com --dport 80 -j ACCEPT I get this error: iptables v1.4.4: host/network `serverfault.com' not found Try `iptables -h' or 'iptables --help' for more information. Do you think it is related to DNS? Should I allow it as well? Or should I just put IP addresses in the rules? Do you think what I'm trying to do could be achieved with simpler rules? How? I would appreciate any help or hints on this. Thanks a lot!

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  • Constant crashes in windows 7 64bit when playing games

    - by yx.
    I've tried everything I can possibly think of in trying to fix this problem and I'm totally out of ideas, so any help would be appreciated: The problem: whenever I fire up a game, it works for a short while with no problems and then it would crash. Either its a hard crash, forcing me to reboot, or windows would report that the display driver has stopped working and recovered. Here is a list of things I've already tried: Drivers - tried the latest drivers (catalyst 9.12) as well as the stock drivers that came with the video card. Also have the latest BIOS/chipset Memtest - Ran Memtest86+ overnight, had no problems, the windows diagnostic tool also does not find any problems. Overheating - Video card/cpu temperatures are well below peak (42 and 31 Celsius receptively) PSU Voltage - CPUID shows that the voltage levels are all above what they should be. The PSU itself is only roughly 16 months old and is a good model. HDD - No errors when checked GPU - Brand new (replaced previous card since I thought it was the problem, apparently not) Overclocking - Everything is at stock levels, memory voltage is set to manufacturer's standard Specs: Motherboard: ASUS P5Q Pro CPU: Core 2 Duo E8400 3.0 ghz OS: Windows 7 home premium 64 bit Memory: Mushkin Enhanced 4GB DDR2 GPU: Sapphire HD 5850 1GB PSU: SeaSonic M12 600W ATX12V DirectX: DX11 Event Viewer after a crash always has these logged: A fatal hardware error has occurred. Reported by component: Processor Core Error Source: Machine Check Exception Error Type: Bus/Interconnect Error Processor ID: 1 The details view of this entry contains further information. A fatal hardware error has occurred. Reported by component: Processor Core Error Source: Machine Check Exception Error Type: Bus/Interconnect Error Processor ID: 0 The details view of this entry contains further information. A previous card that I had (4850x2) also had these errors, so I changed video cards, but the same thing is happening.

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  • [SOLVED} How do I restore my audio after uninstalling Ventrilo?

    - by Marcx
    Hi, I've a Dell studio 1555 bought on september with Windows 7 64bit Professional on it. The audio device works proprerly, while listening to audio contents (from disk or internet) When I use Ventrilo, the audio from other people sounds good and I hear their voices clearly When I use any other VOIP programs like Teamspeak 3, MSN or Skype, I hear a disturbed voice, and it's impossible to comprehend something... Anyway everything worked fine until I installed Ventrilo, but removing it didn´t solve my problem. Update: Here's a sample of how I hear others people voices.. Audio Sample After some tests, also the desktop has the same problem. (I tried TeamSpeak3) Here are some details on my laptop and desktop Laptop Dell Studio 1555 Core 2 Duo P8600 2.4Ghz 4Gb Ram Dual Channel Ati HD 4570 512Mb dedicated (up to 2048) IDT High Definition Audio Desktop Motherboard Asus P5KPL-AM Dual Core CPU E5200 2.50Ghz 2x2GB PC6400 Dual Channel Ati Radeon HD 4650 512MB VIA High Definition Audio Both computers have Windows 7 Professional 64Bit. So how do I restore my audio? SOLVED The problem was in router firmware, there was a bug that recognized VoIP traffic as a DOS attack and the router grambled every packet... I've installed the newest firmware and everything is fine :)

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  • Computer is dying--what should I be looking for?

    - by Will
    Okay, I'm a bit knowledgeable with pooters and such, but i'm confused. My computer is dying slowly, and I'm not sure what part is causing this. Computer details: Vista, dell machine, intel Q6600, 2.4 Core Duo (quad core), standard memory and drive (unknown manufacturer). Symptoms: I would best describe the symptoms as memory corruption. After a couple days on, I start getting applications crashing or failing to open for a lack of "resources". Sounds are corrupted. Onscreen text gets corrupted; the characters of text are garbled, not the pixels on the screen. Video memory seems untouched as I haven't seen any misplaced pixels. Recently I've lost files on disk. I've also experienced errors reporting a supposed lack of disk space, even though I have fifty gigs free. There was one point where I couldn't get to the POST when booting up. After I cleaned everything (see next) this hasn't happened. Diagnostic steps: First thing I did was clean the case. There was a lot of dust buildup on heatsinks, so I cleaned all that up. No help. Next, I disconnected and reconnected everything, from power cables to memory (did not reseat cpu). No change. Last, I ran the standard vista memory diagnostics and ran checkdisk. Both reported no errors found. I have not run any POST tests, now that I think about it. I'm at a loss at this point. Disk appears fine, memory too. I'd expect motherboard issues to result in the thing not booting up, yet it does every time. What should I be looking at? What more can I do?

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  • Is my current htaccess setting hurting SEO?

    - by user656002
    I have a site that I have redirecting to https. I do this to leverage wildcard SSL for my password protected pages. Everything seems to work fine with testing. For example, whether you type in http or www, you always get redirected to the SSL https... That said, I have about 200-300 external backlinks -- many high quality, yet google webmaster (along with SEOMoz), shows I have just 4... Huh? I'm embarrassed to say I just discovered this. This has led me to hypothesize that maybe my settings in htaccess is messed up, so google isn't recognizing a link because it's recorded on another site as http, instead of https. Maybe? At any rate, here is my simple htaccess setting for 301 www to http (The https redirect must be done inside the virtual host file--I think). I don't have anything in the htaccess file for https RewriteCond %{HTTP_HOST} ^www\.example\.com$ [NC] RewriteRule ^(.*)$ http://example.com/$1 [L,R=301] Like I said, everything works fine for redirect over https, so I'd rather not screw up what works. On the other hand something is very wrong with google finding all my back links, so I need to fix something... I'm just wondering that maybe google isn't picking up a my backlinks from other websites recording me as http because I'm at https. Maybe google doesn't care and it's some other issue. Am I barking up the right tree? If so any quick fixes? Thanks as always!

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  • How to copy a floppy boot disk?

    - by Sammy
    I have a floppy boot disk and I would like to copy it to preserve it, as a backup. If I have two floppy drives, A and B, how can I copy the disk? Assuming one has two floppy drives Can I simply insert the floppy disk in one of the drives and then an empty floppy disk in the other and issue a simple command like this one. A:\>copy . b: Will this only copy the contents of the current directory and none of the files in subdirectories? Do I have to explicitly specify the option to copy everything? Also, what about the boot information? That won't get copied, right? If one has only one floppy drive... How do you copy a floppy disk if you only have one floppy drive? Do you in fact have to copy its contents to the local hard drive C and then copy that to an empty floppy disk using the same floppy drive? A:\>copy . c:\floppydisk A:\> A:\>c: C:\> C:\>copy floppydisk a: C:\> I'm guessing I will need some type of disk image tool to really copy everything on a bootable floppy disk. Something like the dd command on Linux perhaps? Am I right?

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