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• Apache configuration: choose a site to display according to visitor's IP address

  - by user64294

  Hi all. I would like to set a special configuration in our apache web server. I would like to display sites to the users according their IP addresses. We plan to upgrade our web sites. During the upgrade we'll put a maintenance site: so all the users which will connect to our web sites will get this site. but in order to test the upgrade i need to set apache to let only my IP address to access to asked site. If my IP address is a.b.c.d and if i ask for test_dot_com i want to see it. but all other users, having a different IP address, should get the maintenane site even if they look for test_dot_com. Is there a way to do this? PS: sorry As i'm a new user i can't use more than one link. so test_dot_com = test.com Thank you.

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• Can someone correct me about Windows 2008 DFS implementation

  - by cwheeler33

  I have 2 two Windows 2003 file servers using DoubleTake at the moment. They are in an 2003 AD domain. And each server has it's own disk set. It is time to replace the servers... I want to use Windows 2008 64bit Ent. I was thinking of using DFS-R to replace DoubleTake. The part I'm not sure about is clustering. Do I need to have shared storage if each server has a copy of the data? I want to have the data available to the same share name, so maybe I don't fully understand how DFS is set up. I currently have about 6TB of data. I expect to grow by 3TB a year on these file servers. Any resources/books that could teach me would be good to know as well.

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• OpenSSH SFTP: chrooted user with access to other chrooted users' files

  - by HannesFostie

  Decided to re-phrase the question entirely in order to not have to make a new one. I currently have an SFTP server set up using OpenSSH's SFTP functionality. All my users are chrooted, and everything works. What I need most right now is for one user, which is not root (because this user can't have any real SSH powers!), to have access to all other users' chrooted dirs. This user's job is to fetch all uploaded documents every once in a while. Directory structure as of now is: /home |_ /home/user1 |_ /home/user2 |_ /home/user3 With ChrootDirectory set as /home/%u User "adminuser" should have access to user1, user2 and user3's directories without having access to /home or at the very least not to anything but /home. Bonus points for the one who can tell me how to let users write inside /home/%u without having to make a new directory inside that dir which they own themselves, and not root as is the case with /home/%u (openssh chroot prerequisite).

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• symbolic link and filezilla over sftp

  - by Doc

  I'm pretty new to debian, and I'm trying to set up a server. I created a user which can only access to his folder /home/username (and its subdirectory). Now I want to use that user for the webserver I set up, and I gave him access to /var/www but I can't see /var/www through sftp and i did a symbolic link like this root@server:/home/username# ln -s /var/www www root@server:/home/username# cd www root@server:/home/username/www# chown username:username * now, with filezilla, I can see www folder like this - but when I try to open it I get this - Where am I going wrong? sorry for my awful english, i hope you can understand my problem...

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• My D-Link Router is only allowing one connection

  - by Blaze

  My Router (Model: DI-624) is only allowing one wireless connection to one laptop. The other laptop is stuck hanging at connecting to the Internet I have the SSID set as "Pedro-Home" and is using a WPA PSK secured password. I have set the router using "Blaze-PC" while wired. Both Laptops critically need the Internet. > Dynamic DHCP Client List > > Host Name IP Address MAC > Address Expired Time > Blaze-PC 192.168.0.100 70-f1-a1-ff-39-a8 Apr/21/2011 17:49:14 > pedro 192.168.0.105 00-26-82-c8-47-25 Apr/21/2011 17:50:05 <<This computer isn't connecting.

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• Environment variables in Weblogic Managed Server with SSL nodemanager

  - by Eric Darchis

  We have a C legacy application start with JNI that requires environment variables. Not java -Djava.library.path -Dvar=foo as these are purely java. I need real environment variables. When we setup our domains, we usually use the SSH method to start the node managers. This works fine and the env variables are set properly. Recently the sysadmin has decided for a few reasons to use the SSL mode for nodemanagers. The servers start but the environment variables are not set. I checked with "pargs -e" (this is a Solaris machine) that the env variable was indeed not present from the nodemanager and for the managed server. Is SSL starting the managed server without running the .sh scripts or I am missing a parameter somewhere ?

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• How to show disconnect network drives

  - by Jake

  Windows 7 and Vista laptops in my company domain has network drives set up by Win2k8 Server GPO. Normally, when the laptops has ethernet cable plugged in before boot, the network drives connect and appear as expected at the end of startup sequence. However, when the laptop has ethernet cable unplugged, the network drives are not connected, which is fine, but the disconnected icons disappear as well. i.e. the drives are not set up. At the end of the startup sequence, upon reaching desktop, the wireless adapters will connect to the network and the laptop will be able to find the network drive. Hence I want the drives to be setup nonetheless, so that the next attempt to connect, say, via a desktop shortcut, will reestablish the network drive connection. How can this be done?

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• How do I make a virtualised WAN?

  - by EnchantedEggs

  I want to create a virtualised WAN. As in, I want to have a couple of VMs (VBox) on one physical host machine, that exist on separate LANs, but that can talk to each other. Do I make the VMs, set them up with different IP addresses (e.g. 1.2.3.4 and 5.6.7.8) and then configure port forwarding between them somehow??? I've seen articles that set up port forwarding on port 2222, but I don't really understand why this works. How is setting up the VM to listen to port 2222 and then port forward from there to, say, port 80, any different from just telling the VM to listen on port 80 in the first place? FYI, the VMs run Ubuntu Desktop 14.x.

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• How to setup ssh's umask for all type of connections

  - by Unode

  I've been searching for a way to setup OpenSSH's umask to 0027 in a consistent way across all connection types. By connection types I'm referring to: sftp scp ssh hostname ssh hostname program The difference between 3. and 4. is that the former starts a shell which usually reads the /etc/profile information while the latter doesn't. In addition by reading this post I've became aware of the -u option that is present in newer versions of OpenSSH. However this doesn't work. I must also add that /etc/profile now includes umask 0027. Going point by point: sftp - Setting -u 0027 in sshd_config as mentioned here, is not enough. If I don't set this parameter, sftp uses by default umask 0022. This means that if I have the two files: -rwxrwxrwx 1 user user 0 2011-01-29 02:04 execute -rw-rw-rw- 1 user user 0 2011-01-29 02:04 read-write When I use sftp to put them in the destination machine I actually get: -rwxr-xr-x 1 user user 0 2011-01-29 02:04 execute -rw-r--r-- 1 user user 0 2011-01-29 02:04 read-write However when I set -u 0027 on sshd_config of the destination machine I actually get: -rwxr--r-- 1 user user 0 2011-01-29 02:04 execute -rw-r--r-- 1 user user 0 2011-01-29 02:04 read-write which is not expected, since it should actually be: -rwxr-x--- 1 user user 0 2011-01-29 02:04 execute -rw-r----- 1 user user 0 2011-01-29 02:04 read-write Anyone understands why this happens? scp - Independently of what is setup for sftp, permissions are always umask 0022. I currently have no idea how to alter this. ssh hostname - no problem here since the shell reads /etc/profile by default which means umask 0027 in the current setup. ssh hostname program - same situation as scp. In sum, setting umask on sftp alters the result but not as it should, ssh hostname works as expected reading /etc/profile and both scp and ssh hostname program seem to have umask 0022 hardcoded somewhere. Any insight on any of the above points is welcome. EDIT: I would like to avoid patches that require manually compiling openssh. The system is running Ubuntu Server 10.04.01 (lucid) LTS with openssh packages from maverick. Answer: As indicated by poige, using pam_umask did the trick. The exact changes were: Lines added to /etc/pam.d/sshd: # Setting UMASK for all ssh based connections (ssh, sftp, scp) session optional pam_umask.so umask=0027 Also, in order to affect all login shells regardless of if they source /etc/profile or not, the same lines were also added to /etc/pam.d/login. EDIT: After some of the comments I retested this issue. At least in Ubuntu (where I tested) it seems that if the user has a different umask set in their shell's init files (.bashrc, .zshrc,...), the PAM umask is ignored and the user defined umask used instead. Changes in /etc/profile did't affect the outcome unless the user explicitly sources those changes in the init files. It is unclear at this point if this behavior happens in all distros.

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• How to use a private key for authentication with SSH ?

  - by SSH

  Putty has this setting in SSH/Auth, but I don't see where to set it in SSH .

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• Windows XP does not list WPA wireless networks

  - by Tomalak

  What can be the reason that Windows XP does not show WPA-encrypted wireless networks? The laptop I have problems with is an older model (Toshiba Satellite Pro 6100) with Windows XP SP3 on it, fresh install. The wireless network card in it is an Agere product that lists as "Toshiba Wireless LAN Mini PCI Card". The networks showed up perfectly before I first tried to connect to one (it was set to WPA2). The connection failed (the card supports WPA only), then something must have happend and Windows hides these networks now. A manually configured WPA setup via Windows' own wizard works, I'm using it right now. The network just won't show up in the list of available network on its own. I suspect that XP incorrectly set a flag somewhere that this network card does not support WPA. Is there such a flag, and if so, how can I change it back?

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• Setting up Tornado with Nginx on Ubuntu 10.04 for production use

  - by DjangoRocks

  Hi all, I understand that there's an nginx configuration file at http://www.friendfeed.com But i don't really know how to set up Tornada for production use on Ubuntu 10.04 with Nginx. Here's my situation and assumptions: 1) Assuming my Tornado project is set up as such: project/ src/ static/ templates/ project.py And I have installed Tornado by downloading the repositary from Github and than sudo python setup.py install 2) I've installed Nginx and started it based on the instructions here : http://library.linode.com/web-servers/nginx/installation/ubuntu-10.04-lucid My questions are: Where does my nginx configuration file go ? Within the src/ folder? After configuring Nginx, how do I start my Tornado project?

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• VBS script works on XP 32-bit but not on 7 64-bit

  - by neurolysis

  This script (a modification of one of Rob van der Woude's) works fine on XP 32-bit, but fails on 7 64-bit at Set objDialog = CreateObject( "UserAccounts.CommonDialog" ), with something similar to the error (translated from Dutch) ActiveX cannot create the object "UserAccounts.CommonDialog". Is there some different way that I have to do this for it to be compatible with Windows 7? MsgBox("Your input avi MUST be exported at 60fps, or this script will not work."),0,"IMPORTANT!" MsgBox("Please select the location of your AVI."),0,"AVI location" WScript.Echo GetFileName( "", "AVI files (*.avi)|*.avi" ) Function GetFileName( myDir, myFilter ) Dim objDialog Set objDialog = CreateObject( "UserAccounts.CommonDialog" ) If myDir = "" Then objDialog.InitialDir = CreateObject( "WScript.Shell" ).SpecialFolders( "MyDocuments" ) Else objDialog.InitialDir = myDir End If If myFilter = "" Then objDialog.Filter = "All files|*.*" Else objDialog.Filter = myFilter End If If objDialog.ShowOpen Then GetFileName = objDialog.FileName Else GetFileName = "" End If End Function

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• How to stop OS X from switching input method (keyboard layout) automatically?

  - by adolf garlic

  After using the wireless keyboard that comes with the iMac, I have switched to a MS Ergo Natural 4000 one. Surprisingly I had to install extra software as OS X could not work out which keyboard I had. After which I went into sys prefs and set the main input method to be "British - Microsoft" first and "Swiss German" second (what the wireless keyboard is), on the "input sources" tab: However... OS X keeps resetting my input method back to Swiss German which is driving me bananas. I have the flag thingy top right so I can see when this changes. N.B. I have "input source options" set to "use the same one in all documents" which I am assuming means keep the language the same for anything running. It also flips back on the login page. Does anyone know how to fix this?

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• Send notification from HTTP bot (RESTful service or whatever)

  - by Kuroki Kaze

  I have very simple bot that gathers and parses web pages. It's on a machine in network, behind NAT (so I cannot setup a web server, for example). I don't have MTA set up. The bot should notify me about changes in parsed pages (once in a hour or two, to one recipient). How can this be done? Is there any RESTful email gateways, like SMS ones? I can set up him a twitter account and use curl to post statuses/DM, but it's a very temporary bot.

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• Home and End keys in Emacs don't work when run from Tmux

  - by Jan Stolarek

  When I run Emacs from Tmux, the Home and End keys do not work (Home key runs the Search command as if C-s was pressed). The problem started when I added this in my ~/.bashrc file: TERM="xterm" export TERM I've read somewhere that TERM variable should not be set manually but this was the only way I was able to solve problems with colors. Without this setting I got different colors in Emacs when running directly from the terminal and different when running from Tmux. This option caused some of the keys not to work in Emacs when it was run from Tmux, so I added this line to my ~/.tmux.conf: set-window-option -g xterm-keys on This solved problem with all keys except for Home and End. Any ideas how to make these keys work again?

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• Ubuntu how to FTP transfer files to folder /var/www?

  - by jc.yin

  I'm new to linux and I've set up a web server with Ubuntu Desktop edition so I can practice with the GUI a bit before transitioning to Ubuntu Server. I've already set up a LAMP stack as well as FTP. Now I just need to know how to transfer my web files to the /var/www folder in Ubuntu. Previously I've worked on Mac OS and there's a central server for all the web files where I can FTP to. Now after I've managed to connect via FTP to the Ubuntu server, I see all the folders such as Desktop, Downloads, Documents etc but no web folder. Anyone able to help me understand how do I FTP to the /var/www folder in Ubuntu? Thanks

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• kill SIGABRT does not generate core file from daemon started from crontab.

  - by Guma

  I am running CentOS 5.5 and working on server application that sometimes I need to force core dump so I can see what is going on. If I start my server from shell and send kill SIGABRT, a core file is created. If I start same program from crontab and then I send the same signal to it the server is "killed" but no core file is generated. Does any one know why is that and what need to be added to my code or changed in system settings to allow core file generation? Just a side note I have ulimit set to unlimited in /etc/profile I have set kernel.core_uses_pid = 1 kernel.core_pattern=/var/cores/%h-%e-%p.core in /etc/sysctl.conf Also my server app was added to crontab under same login id as I am running it from shell. Any help greatly appreciated

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• Upgrading Active Directory from 2000 to 2008

  - by Doug

  Our config is currently: 1 Windows 2000 domain controller running ISA2000, dhcp, dns 1 Windows 2003 domain controller as main file server, prob cert server as well, dhcp, dns 1 Windows 2008/Exchange2010 domain controller as Exchange server, DHCP,DNS Currently getting FRS errors on files server journalwrap error Currently getting FRS errors on othe DC's can't replicate from above Exchange DC holds Schema, rid,pdc, and infastructure roles File Server holds Domain namaing operation master role WOW, I didn't set this up, just inherited it. Am I right to assume that fixing the FRS errors is #1, what do I need to do for that? set enable journalwrap auto restore in registry? Demote W2000 domain controller, should that have any implications for ISA? We have Forefront to be deployed but that's another day Transfer Domain Nameing Role to Exchange server (I know or think having an Exchange server as DC isn't best practive) We will be getting another server W2008 to replace current file server and I thought it could takeover all roles once deployed Demote W2k3 file server and then raise functional domain level to 2008 Am I missing anything other that the sense to walk away? Thanks

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• Cross-Forest Trust

  - by cdalley

  I am looking at testing a cross-domain trust we can have two domain controllers (with different forests and domain names) setup so we can move everyone onto the new domain. We do NOT run exchange on site and we do not have any links to O365 to AD currently. Onto the problem: I have setup two DCs in a Virtual Machine: They are on the same network 192.168.0.* The Windows 2003 server: Name: OLDSRVR "Clone" of our current Domain Controller IP: 192.168.0.1 Domain: internal.test.com The Windows 2012 server: Name: ADCTEST01 Brand new domain setup from scratch separate to internal.test.com Domain: internal.test2.com IP: 192.168.0.2 OLDSRVR can only see ADCTEST if it has dynamic IP set. If I set a static IP it cannot see it. If I try using the dynamic IP and try to join it gets to the end then complains "??The trust relationship between this workstation and the primary domain failed" Any ideas?

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• How can I open PowerShell via AutoHotkey?

  - by Ryan

  I'm running AutoHotkey 1.0.48.05 on Windows 7. I'd like CTRL-ALT-P to open PowerShell. This is what I have so far: ^!p:: Run %SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe Return This is the error I get: File C:\Users[username]\Documents\WindowsPowerShell\profile.ps1 cannot be loaded because the execution of scripts is disabled on this system. Please see "get-help about_signing" for more details. I've already set the execution policy to RemoteSigned by opening PowerShell ISE as Administrator and running Set-ExecutionPolicy RemoteSigned. (See http://technet.microsoft.com/en-us/library/ee176949.aspx) How can I get around this problem?

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• Why can't I connect to remote Microsoft SQL Server through SSH tunnel?

  - by Alexander

  I have at home a D-Link DIR-615 C1 router with DD-WRT. I set up the SSH server on the router, and log on through an SSH2-RSA passphrase-protected key. That router is the gateway between the local network and the internet. One of the computers on that network has Microsoft SQL Server 2008 installed, with TCP/IP protocol enabled through port 1433. I've set up port forwarding on the router, so that remote connections are possible and are, in fact, working (some developers log on remotely without problems). I am part of another network, that has internet access through a proxy server, which only has ports 80 and 443 opened. I can't connect to that MSSQL server on that remote server because 1433 port is closed on this network. I connected (using Putty) through 443 port to my router's SSH server, and set up 2 tunnels. One is for RDP (3389), and it's working. The other is for 1433 port, to connect to the server. I can't connect through the SSH tunnel to the MS SQL Server, neither through telnet, or through GUI clients. Am I missing something? Additional details: on connect, I get this error from SQL Server Management Studio: TITLE: Connect to Server Cannot connect to localhost:14330. ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 3) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=3&LinkId=20476 BUTTONS: OK The tunnel is configured like this: L14330 192.168.0.103:1433 192.168.0.103 is the permanent address of the SQL Server on the LAN. I also successfully forwarded TCP traffic of 3389 port to that IP, so tunneling is working to that IP address. When connecting without tunnel, through Microsoft SQL Server Management Studio, using the same method the connection establishes. Too bad my proxy doesn't allow 1433 port traffic, I wouldn't have this headache.

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• Hosting several domains on one server using IIS 7

  - by Øyvind Knobloch-Bråthen

  I have created several web sites inside IIS7 on my server. All of them use the same ip and port, but different host names. Currently I have set the host name to www.mydomain.com. Now my question is, how do I get my actual domains to target the different sites on my server. Second question. Can I set my host name to only mydomain.com to make sure that all requests to that domain is handeled by the same application? Primarily, I want both www.mydomain.com and mydomain.com to work when the user types the address in their browser.

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• Windows 2003 Server on a domain, XP client PCs on a workgroup - file share without authentication?

  - by Zach

  I have a windows 2003 server on a domain and client PCs running XP on a workgroup. I have created a file share on the server that should be accessible by the client PCs. I even set the security and sharing to 'Everyone' just to test. When I try to access the file share from any of the XP machines, I get an authentication prompt that displays asking for credentials, even though 'Everyone' has full control currently (just for testing purposes). Why is it asking to authenticate? I need it to where it doesn't ask to authenticate. I also made sure passwords were set on all XP machines since I found this could be one possible issue and they all were. Any ideas? Thanks!

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• environment variable issue in shell

  - by George2

  I am using Red Hat Linux Enterprise 5. I know the theory that -- using export to set environment variable, the environment variable will apply to current and child environment, but without using export to set environment variable, the environment variable will only apply to the current environment. My confusion is, what is the exact definition of "child environment" and "current environment"? For example, $ var1=123 $ echo "Hello [$var1]" the value of var1 (which is 123) is printed in shell, but I think echo is a command invoked by current shell, and it (the echo command) should be a child environment of current shell and the value of var1 should not (because not using export var1=123) impact echo. Any comments? Thanks in advance!

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