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• Is Apache ReverseProxy to Passenger Standalone an acceptable production deployment?

  - by davetron5000

  I have the need to deploy Rails 3 apps, using RVM and gemsets, and am expecting “public” traffic (i.e. this is not an internal-only app). I also must use Apache as the public interface to my app. I understand that Passenger Standalone can help accomplish the rails/RVM end, and I have successfully set it up in my development environment. My question is how viable this setup is for a production deployment. Is deploying via Apache configured to ReverseProxy to my passenger-powered Rails app going to create problems? Since I'm designing the production deployment now, I want to understand if I should spend the additional time to set up Passenger connected to Apache and have that Passenger communicate with Passenger Standalone instance running my Rails app. So, I'm looking for one of I guess three answers: Apache Reverse Proxy to Passenger Standalone will be generally fine You should not use the Apache/Passenger Standalone configuration, but set up Passenger on the Apache side as well Your entire setup is just Wrong, please RTFM (and include link to "FM")

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• Kubuntu 11.10 Lot of Networking problems

  - by Cobraone

  Since I upgrade to 11.10 I have a lot of problems with KDE. First of all there are problems in configuring a static IP address. Just to explain @home I have a normal fiber ADSL and I use a DHCP. When I go to a customer I must insert a static IP address. With ifconfig everything seems ok but there is something wrong in searching DNS names. (I have installed Ubuntu and was going ok again). Now I Have reinstalled again Kubuntu 11.10 and I have the same problem in addition today I have discovered that if I connect to a network in another customer office the desktop freezes and I could only switch between windows with alt+tab. No FN key or right click to open run command works. So i unplugged network (configuration is just DHCP here) and tried on another position in office. It was the same. My Laptop freezes when connected, a fedora 14 of a friend works. So I decided to connect my Galaxy S II as USB network device. Everything is ok for like 3 minutes. When I noticed a little loss of signal again the desktop freezes and i must work (like now) just switching between windows with alt+tab). Additional information: Unplugging network or restarting it via Konsole does not not solve the freezing problem. Every time I must open a console and reboot. Any idea of what tests to do ? Just a recommendation: If I must post here logs or something else please guide me. I use Linux since Ubuntu 9 but I am not an "expert".

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• How to failover to local account on a cisco switch/router if radius server fails?

  - by 3d1l

  I have the following configuration on a switch that I testing for RADIUS authentication: aaa new-model aaa authenticaton login default group radius local aaa authentication enable default group radius enable aaa authorization exec default group radius local enable secret 5 XXXXXXXXX ! username admin secret 5 XXXXXXXXX ! ip radius source-interface FastEthernet0/1 radius-server host XXX.XXX.XXX.XXX auth-port 1812 acct-port 1813 key XXXXXXXXX radius-server retransmit 3 ! line con 0 line vty 5 15 Radius authentication is working just fine but if the server is not available I can not log into the router with the ADMIN account. What's wrong there? Thanks!

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• SQL Server 2005/2008 Licensing Decision

  - by Hakim

  Hello, I have purchased a dedicated server from a reputable Hosting company. They only have Windows Server 2008 OS installed on it and NO Sql server. Server Configuration is Intel Dual core Processor with 2GB of RAM and 100GB HDD. I wanted to host my web services on that server which will be using the MS SQL Server 2005 at the backend.There are multiple web services and each using a different Database. Microsoft has CAL basis Licensing , Which I understand is based on number of users accessing the database directly ( I may be wrong ) . But my users will be accessing the webservice and no direct connection to the database as such. Yes but the number of users accessing the web server cannot be known and is not under my control. Which Licensing is best suited for this kind of setup ? I don't need analysing and BI services right now ,but i may want to upgrade that in future may be. Any help will be appreciated. Thanks

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• SNMP - So I have a MIB. Now What?

  - by senfo

  I can't seem to get my head wrapped around the purpose of a MIB. I have a collection of ~20 MIB files that were supplied to me by the vendor, but what do I do with them? I also have a few OID's that were supplied by the vendor that don't seem to be valid. When I issue an "snmpget -v1 -c public 192.168.0.123 .1.4.6.3.2.6.2" (assume that's a valid OID), I get an error indicating the variable is unknown. Does this sound like a hardware configuration problem? Do I need to "load" (for lack of better words) the MIB into the device? Unfortunately, the vendor has been completely unresponsive with returning emails to my questions, so any help would be greatly appreciated.

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• How to run sudo command with no password?

  - by aychedee

  tl;dr: How does the ubuntu user on the AWS images for Ubuntu Server 12.04 have passwordless sudo for all commands when there is no configuration for it in `/etc/sudoers'? I'm using Ubuntu server 12.04 on Amazon. I want to add a new user that has the same behaviour as the default ubuntu user. Specifically I want passwordless sudo for this new user. So I've added a new user and went to edit /etc/sudoers (using visudo of course). From reading that file it seemed like the default ubuntu user was getting it's passwordless sudo from being a member of the admin group. So I added my new user to that. Which didn't work. Then I tried adding the NOPASSWD directive to sudoers. Which also didn't work. Anyway, now I'm just curious. How does the ubuntu user get passwordless privileges if they aren't defined in /etc/sudoers. What is the mechanism that allows this?

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• Disable IPv6 on Debian VPS

  - by chris_l

  I have a Debian Lenny VPS, that's running virtualized by Parallels/Virtuozzo. Currently, the network interface doesn't have an IPv6 address - and that's good, because I don't have an ip6tables configuration. But I assume, that I could wake up one day, and ifconfig will show me an ipv6 address for the interface - because I have no control over the kernel or its modules - they're under the control of the hosting company. That would leave the server completely vulnerable to attacks from IPv6 addresses. What would be the best way to disable IPv6 (for the interface or maybe for the entire host)? Usually I would simply disable the kernel module, but that's not possible in this case.

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• How do I set up two existing disks with identical contents as a single mirrored volume in Windows 7 without losing data?

  - by Software Monkey

  I have two data disks that were, heretofore, in a mobo RAID configuration in Windows 7. They are now separate AHCI disks, visible in Computer Management. How to I go about making them a single mirrored volume in Windows? Note: The data is backed up up on two other separate disks, but it's a fair amount of work to do a restore (over 120'000 files, and I have to reset permissions). Note2: Currently the two disks are identical, and I can use the content of either one for this.

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• Ubuntu 12.04 Transparent proxy gateway

  - by user146536

  i have a ubuntu server which i want to use as a transparent proxy, (i have no issue setting up squid, just the iptables. The server only has one network interface. The server sits on the same subnet as the router which is the current gateway to the internet for clients, i want to simply set the gateway on the clients pointing at the transparent proxy which in turn forwards the requests to the router and off to the internet. See me diagram, can anybody offer to help with the iptables configuration to achieve this scenario? subnet mask /22 Router(10.4.12.1) Transparent Proxy (eth0, 10.4.12.2) | | +----+----+---------+----+----+ | | | | Comp1(10.4.12.6) Comp2(10.4.12.5) Comp3(10.4.12.4) Comp4(10.4.12.3) Thanks

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• Using nginx as a reverse proxy for tomcat results in new jsessionids for every ssl request

  - by user439407

  I am using nginx as a reverse proxy for a tomcat setup, and everything works fine for the MOST part, the only issue I am having is that every request to an http address results in a new JSESSION ID being created(this doesn't happen in http), here is the relevant part of the NGINX configuration: location / { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-Proto https; proxy_redirect off; proxy_connect_timeout 240; proxy_send_timeout 240; proxy_read_timeout 240; proxy_pass http://localhost:8080; } Any idea why I am constantly genning new jsessionids?

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• Is there any way to enable remote desktop with a password without setting a password on the os?

  - by Coder

  I'm running Windows 7 and would like to use remote desktop to connect to my home computer. As such i want to enable password security for remote desktop, but I do not want to have to enter a password to log into my computer if i'm physically at my computer. Is there any way to do this? I am an administrator user and I want to have the same icons and configuration regardless of if i log in remotely or locally but i want only the remote connection to require a password. I read about being able to do something similar by adding another user account, but is there any way to do it so that the same icons and settings take affect regardless of how i log in? Thanks.

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• Review: Logitech t620 Touch Mouse and Windows 8

  - by Tim Murphy

  It isn’t very often that I worry much about hardware, but since I heard some others talking about “touch” mice for their Windows 8 machines I figured I would try one out and see what the experience was.  The only Windows 8 compatible touch mouse that they had in the store was the Logitech t630 Touch Mouse.  At $69 it isn’t exactly a cheap purchase. So how does it work with Windows 8.  First it works well as a normal mouse with touch scroll capabilities.  Scrolling works both horizontally and vertically.  Then you get into to the Win8 features, all of which are associated with the back 2/3 of the mouse.  If you double-touch-tap (not depressing the internal button) it acts as a Windows home screen button.  The next feature is switching applications.  This is accomplished by dragging a finger from the left edge of the mouse in.  Bringing up the Windows 8 open apps list is the same movement as on the table where you drag in from the left and then move back to the right.  The last gesture available is to bring up the charms.  This is performed by dragging in from the right side of the mouse. There is a certain amount of configurability.  You can switch dominant hand configuration as well as turn on and off gestures as shown in the screenshot below. It is nice that they kept the gestures similar to the table gestures.  Hopefully future updates to the drivers will bring other gestures, but this is definitely a good start.  It would be interesting to also compare this to the Microsoft Touch Mouse and see if there are additional gestures such as app close and for the app bar. del.icio.us Tags: Logitech,Windows 8,Win8,t620,Logitech t620 Touch Mouse,Gesture

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• XAMPP on windows 7 not working

  - by 404Error

  Hey there, I just installed XAMPP lite on Windows 7. I have two drives - C: for the OS and regular files, and an external drive E:. I insatlled XAMPP lite on E: (on the root), and its been giving me problems. Apache works well enough, but MySQL doesn't work. When I go to http://localhost/phpmyadmin/, it gives me the following error: Error MySQL said: #2003 - Can't connect to MySQL server on 'localhost' (10061) Connection for controluser as defined in your configuration failed. Any ideas as to what could be the problem? I used the zip file for XAMPP lite, the 32 bit version. This is on Windows 7 Home premium. Thanks!

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• Whats the best way to deal with backups for my php/mysql application

  - by spirytus

  I'm creating php application for my client and now thinking what would be the best way to do backups, automatically if possible? I don't have much experience in this area and in case something goes wrong, or if I need to migrate, I would like to have fast way of getting it all back online. I understand "something goes wrong" is a very wide term, but lets say that someone hacks my site and wipes out database and all the files. My app. is written in php/mysql and I got access to cpanel (hosted with justhost.com if that makes any difference :). I used Joomla and it has JoomlaPack that does complete backup almost automatically and in case site fails, its easy to revert, or migrate if necessary. Is there anything like that for my configuration that would make reverting/migration, easy?

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• Error connecting ESX 5.0.0 to domain

  - by Saariko

  I am trying to connect an ESX 5.0.0 to our Domain Controler, in order to give a Domain group specific roles security. But I do not see any groups after the host connects to the domain. Under Configuration - Authentication Services - I connected the host to the domain: I created the role I wanted, with the selected approved features But when I want to add a permission to a set of VM's, I can not see "my domain" on the drop down, only the: "localhost" How do I see "my domain" on the Domain drop down - so I can select the domain group to give the role to? To note: I followed the instructions to connect to the domain form VMware site.

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• Using rspec to check creation of template

  - by Brian

  I am trying to use rspec with puppet to check the generation of a configuration file from an .erb file. However, I get the error 1) customizations should generate valid logstash.conf Failure/Error: content = catalogue.resource('file', 'logstash.conf').send(:parameters)[:content] ArgumentError: wrong number of arguments (0 for 1) # ./spec/classes/logstash_spec.rb:29:in `catalogue' # ./spec/classes/logstash_spec.rb:29 And the logstash_spec.rb: describe "customizations" do let(:params) { {:template => "profiles/logstash/output_broker.erb", :options => {'opt_a' => 'value_a' } } } it 'should generate valid logstash.conf' do content = catalogue.resource('file', 'logstash.conf').send(:parameters)[:content] content.should match('logstash') end end

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• Samba domain controller: remove 1 Windows client

  - by K B

  my domain is controlled by a Samba domain controller running on openSUSE 11.3. It manages other openSUSE boxes and some Windows 7 boxes. Now one harddisk of a Windows 7 computer crashed and I had to reinstall. I wasn't able to get the computer name ("Win26") of the broken PC out of the domain and so I couldn't add the reinstalled "Win26" to the domain again. So how can I remove the entry of the old "Win26" computer out of the domain controller, so that I can add the new "Win26" to the domain again? Is it one configuration file I have to edit and restart Samba? Which file would this be? Thanks in advance for your help! Regards, KB

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• install lync 2010 client on home laptop

  - by user330026

  I have work laptop and lync is running there no problems. I installed vpn on my home laptop and outlook connected through vpn no problems. But when I install lync 2010 client and put the same settings as work version. It was on autodiscovery and I used the same userlogin it does not work. Is there any way to find out from my work laptop what configuration lync uses there and replicate it on home. I spend hours finding solutions and could not find anythigng. I can't ask IT. Anyone can advice anything, thanks

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• Routing between two networks on linux?

  - by gGololicic

  I got stuck with one problem I cant find solution. I have linux pc with two NIC. first nic (eth1) is connected to public ip (probably switch or whatever, doesnt really mater) so eth1 is connected to wan and another eth0 that I connected to switch and make it a lan nic. configuration: eth1 ip address 88.200.1xx.xxx //xxx's are cuz of security reasons eth0 ip address 192.168.1.1 wan ------ [eth1 (linux PC) eth0]<----[switch]<---- [eth1 (PC1)] Now I want to connect this two networks, so PC1 can access linux PC and wan. I think I know how to do it but I cant confiugre it right. This is what I tried: I turend on ip forwarding (for sure) I set eth1 default gw to the right ip on the wan I tried to set eth0 default gw to the same ip (but i couldnt) What or how can I do this, I was trying with linux route command, but I got stuck. Please help.

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• Wifi interface changes name seemingly at random

  - by ray_voelker

  I'm currently having some issues getting a wireless interface to work continuously under an install of Ubuntu 12.04.1 LTS. Some of the issues I'm experiencing include Connection will drop out after some time after it has initially worked. Interface will be a different name after a reboot. For example, wlan0 will become wlan4 when using the ifconfig -a command. Ubuntu will take a long time to boot, looking for network adapters. The purpose of this build is to function as a web kiosk in a library. The computer is supposed to boot up into a web browser, and allow for browsing of the catalog. For some reason this interface does not appear to be working as it should. Are there any explanations for some of these problems I'm having, and perhaps some solutions? The wireless card appears as this after doing an lspci ... Ralink corp. RT2561/RT61 802.11g PCI In the /etc/network/interfaces file I have the following configuration for the interface. auto wlan0 iface wlan0 inet dhcp wireless-essid UDwireless wireless-mode Managed Thanks in advance for help on this.

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• mod_rewrite hide subdirectory in return url part2

  - by user64790

  Hi I am having an issue trying to get my mod_rewrite configuration correctly i have a site: 0.0.0.0/oldname/directories/index.php I would like to rename "oldname" to "newname" resulting in: 0.0.0.0/newname/directories/index.php etc.. So when a user navigates to 0.0.0.0 my site will automatically send them to 0.0.0.0/oldname/index.php I'm not planning on moving my content marketing have asked me to rename the site folder I would like to mask the request of 0.0.0.0/oldname/index.php to 0.0.0.0/newname/index.php Also if a user navigates from index.php to an link of say /oldname/project1/index.Php the final browsers returned URL will be /newname/project1.php without having to move or edit site links. I also understand my hyperlinks will refer to /oldname but this is acceptable any help would be highly appreciated. Regards

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• Unable to start Ubuntu 12.04. The system is running in low-graphics

  - by kaleidoscpicsoul

  I am a newbie to Ubuntu. I installed Ubuntu 12.04 using a USB Stick and it was running all fine for a few weeks and this error popped up. According to one of my friend, the best way was to re-install Ubuntu. Being from a non unix background i thought the same too and after the second install it happened again, but only this time was much quicker, in 3 days. I don't want to re-install Ubuntu every time this happens. I am a complete newbie to Linux which means that i am really bad at using terminal. I know there are other people who fixed this issue using this very same forum, but unfortunately the answers provided are too complex for me to understand. Please let me know how to do this. Things I want to let you know: I would need help step by step if that is alright with you. After i get the error i get the options and i click exit to console login I get the following message in a black screen (which i think is a command line sort of thing): * Stopping save kernel messages [OK] apache2: Could not reliably determine the server's fully qualified domain name,using 127.0.1.1 for ServerName [OK] * Starting web server apache2 and a blinking cursor. So basically it looks like a dead end for my non unixy eye. And one final thing is before this issue had happened i had tried configuring Python to Apache2. For that i had uninstalled and installed LAMP server several time and edited the configuration files too. I don't know if this really is a concern, but I don't know.. I have a USB with Ubuntu 12.04 in it so i can install it anytime. (But i want to know what the issue is rather than running away) . I migrated to Ubuntu from Windows and i have no plans to go back. I think that's from my side. Please let me know if there are any questions.

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• Can a consumer wireless router act as both a wireless client and access point?

  - by glibdud

  I'm going to be moving in the future, and integrating my home network into that of my landlord. I wish to maintain an isolated network while using his internet connection, so I'm planning on cascading my router off of his (WAN-to-LAN type configuration). Unfortunately, it looks like it might not be feasible to run a wire between the two. Therefore, I'd like to send my WAN connection over WiFi to his router. At my disposal, I have a WRT54GL (running Shibby's Tomato mod), and I just bought an Asus RT-N66U (I can be flexible with the firmware). My first thought was to set up the WRT as a wireless bridge, then run a wire between that and the N66U's WAN port. I'm reasonably sure I could make that work, but can I eliminate the WRT from the equation altogether? Can the N66U connect to the landlord's WiFi as a client, effectively using that as the WAN port, while simultaneously providing wireless access to my devices on an altogether different WLAN?

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• Routing / binding 128 to one server

  - by Andrew

  I have a Ubuntu server with 128 ip's (static external ips 86.xx.xx.16), and I want to crawl pages thru different ip's. The gateway is xx.xxx.xxx.1, the main ip is xx.xxx.xxx.16, and the other 128 ip's are xx.xxx.xxx.129/255. I tried this configuration in /etc/network/interfaces but I doesn't work. It work if I remove the gateway for the aliases eth0:0 and eth0:1. I think this is routing problem. auto lo iface lo inet loopback auto eth0 auto eth0:0 auto eth0:1 iface eth0 inet static address xx.xxx.xxx.16 netmask 255.255.255.128 gateway xx.xxx.xxx.1 iface eth0:0 inet static address xx.xxx.xxx.129 netmask 255.255.255.128 gateway xx.xxx.xxx.1 iface eth0:1 inet static address xx.xxx.xxx.130 netmask 255.255.255.128 gateway xx.xxx.xxx.1 Also, please tell me how to "reset" every changes that I made in networking and routing. Thank you

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• .htaccess not working

  - by Anders Feder

  I am trying to get .htaccess to work under Apache, but the server doesn't seem to honor it. In httpd.conf I have: AllowOverride All I have restarted the server with 'service httpd restart'. I have also done a 'service httpd reload'. The docs suggest testing the configuration with a garbage .htaccess file. If the server succesfully reads the garbage .htaccess file, this should result in an error when retrieving a page from the directory. But I get no error, suggesting that the server is not parsing the file. What might be wrong? Thanks.

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