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  • Best Linux distro for load-balancers?

    - by Vimvq1987
    I wanted to try HAProxy/Linux Virtual Server like front-end load-balancers, but as far I know, they're Linux-based software. I don't have any experiences with Linux yet. so there're quite many questions to ask: What is the best Linux distro(s) for load-balancing? I plan to use VirtualPC to run some virtual machines. How much RAM is the best for each machine run that distro? I want to simulate a load-balancer with can handle about 100 hits/second, is it possible? Thank you very much!

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  • Windows Virtual Machine not seen by host (Mac OS X) using VMWare Fusion

    - by Malkuth
    Hi, I installed Windows XP with VMware Fusion on my MacBook and while internet works, Windows can ping the Mac, etc. from the Mac or any other machine in the network we can not see the Virtual Machine. In between, I use bridged option and obtain the the VM's IP dynamically; tried also static assignment from the free addresses but the problem persisted. Any ideas what is wrong?

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  • Mac OSX keyboard shortcuts for terminal

    - by user10826
    Hi, after googling for some Mac OSX terminal shortcuts, I wanted to find how can I go back characters on a line on the terminal or words or similar. I found ALT+B but it does not work. Do you know some other shortctus, or how can I customize them or links to cheat sheets? Thanks

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  • Mac OSX keyboard shortcuts for terminal

    - by user10826
    Hi, after googling for some Mac OSX terminal shortcuts, I wanted to find how can I go back characters on a line on the terminal or words or similar. I found ALT+B but it does not work. Do you know some other shortctus, or how can I customize them or links to cheat sheets? Thanks

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  • Running Linux or Windows virtual

    - by Alxandr
    I'm installing a new server after this weekend, and it musth have both windows server 2008 r2 and linux (probably ubuntu) running, but I'm wondering which one of them I should run virtual. Windows will be used mostly for rdp and for serving asp.net webpages, linux will host some django-applications and a postgreSQL server etc.

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  • Apache: Redirect entire virtual host to a URL

    - by DrStalker
    Centos 5.2, Apache 2.2.3 I want to configure Apache to redirect any URL under mail.mydomain.com to the single URL https://mail.google.com/a/mydomain.com How can I set this up with Apache? I have LoadModule rewrite_module modules/mod_rewrite.so but I'm not sure how to actually use this and I can't find a really simple example; I assume I set up a new virtual host with some form of rewrite directive, but how is this done?

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  • Mac OS X keyboard shortcuts for terminal

    - by user10826
    After googling for some Mac OS X terminal shortcuts, I wanted to find how can I go back characters on a line on the terminal or words or similar. I found ALT + B but it does not work. Do you know some other shortcuts, or how can I customize them or links to cheat sheets?

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  • Mac OS X keyboard shortcuts for terminal

    - by user10826
    Hi, After googling for some Mac OS X terminal shortcuts, I wanted to find how can I go back characters on a line on the terminal or words or similar. I found ALT+B but it does not work. Do you know some other shortctus, or how can I customize them or links to cheat sheets? Thanks

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  • Ubuntu resolution on Virtual Box(Mac OSX)

    - by idealflip
    Ubuntu can't detect my monitor type. What driver shall I update Ubuntu with? Or how can I go about increasing the resolution past 800x600, if no higher resolution is visibly available? I'm running Ubuntu 9.1 on Virtual Box 3.1.6 on Mac OSX 10.6.3 Thanks in advance!

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  • openSUSE on Virtual Box : Guest Additions

    - by Arkapravo
    I am using openSUSE 11.0 guest in Ubuntu 9.10 host on Virtual Box. When I try to install Guest-Additions it doesn't really work as expected, the screen is not sized to fit the correct resolution, seamless working between 2 OS doesn't happen ! Has anyone tried installing Guest-Additions in openSUSE ?

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  • Virtual machines on USB external disk

    - by Cris
    Hello, i'm thinking about installing (using Sun Virtual Box) Ubuntu 10.04 and Windows7 on external disk connected to USB port of my new MacBook; do you think perfomances will be terrific? Have you tried something similar? Thanks in advance ! c.

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  • Accessing guests on virtual network when connected to host via PPTP

    - by Viktor Elofsson
    I'm setting up a development machine which runs Ubuntu 12.04 and KVM for virtualization. I have a guest running Ubuntu 12.04 which can be accessed from the host via its IP address which is assigned by libvirt. The guest can also access the internet, no problem there. However, now I want to setup PPTP so I can connect to the host (from my workstation running Windows 7) and directly access guests without relying on SSH port forwarding. I can connect from my W7-machine to the host (PPTP), but I cannot access any virtual machines (which are accessable from the host directly). Relevant configuration files cat /etc/network/interfaces auto lo iface lo inet loopback # device: eth0 auto eth0 iface eth0 inet static address x.x.x.x broadcast x.x.x.x netmask x.x.x.x gateway x.x.x.x # default route to access subnet up route add -net x.x.x.x netmask x.x.x.x gw x.x.x.x eth0 virsh net-edit default <network> <name>default</name> <uuid>xxxxxxxx-72ce-3c20-af0f-d3a010f1bef0</uuid> <forward mode='nat'/> <bridge name='virbr0' stp='on' delay='0' /> <mac address='52:54:00:xx:xx:xx'/> <ip address='192.168.122.1' netmask='255.255.255.0'> <dhcp> <range start='192.168.122.2' end='192.168.122.254' /> <host mac='52:54:00:yy:yy:yy' name='web1' ip='192.168.122.11' /> </dhcp> </ip> </network> cat /etc/pptpd.conf (commented lines removed) # TAG: option # Specifies the location of the PPP options file. # By default PPP looks in '/etc/ppp/options' # option /etc/ppp/pptpd-options # TAG: logwtmp # Use wtmp(5) to record client connections and disconnections. # logwtmp #(Recommended) localip 192.168.122.1 remoteip 192.168.122.234-238,192.168.122.245 cat /etc/ppp/chap-secrets* # Secrets for authentication using CHAP # client server secret IP addresses xxxxx * yyyyyyyyyy 192.168.122.100 I get the correct IP address when connecting my W7-machine, but when I try to ping the virtual machine at 192.168.122.11 I get Reply from 192.168.122.1: Destination port unreachable. It's probably something trivial I'm missing but I can't for the life of me figure out what it is. So I'm turning to you, serverfault.

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  • How should i determine for virtual dedicated hosting?

    - by babu
    Hi all What are all the criteria i should determine if i want to choose a virtual dedicated server? I have asp.net website that has 3800 vistors per day that is hosted on a shared hosting. Kindly advise me if i should upgrade it to VPS?? What is the advantage and disadvantage of using VPS? Thanks in advance!

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  • drbd block device as storage for kvm virtual machine

    - by facha
    Hi, everyone I've setup a drbd replication between two machines and used a drbd block device as storage for a kvm machine. Everything is running well. However I'm in doubt if this setup is ok to use. From what I've read so far on the internet, people tend to use drbd-ospf-qcow2_file as storage for their virtual machines.

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  • Virtual Server 2005 VSS writer missing

    - by Jon S.
    I have two servers running Virtual server 2005 R2 SP1. I'm using Symantec Backup Exec 10d for backups. One server runs the backups fine but the other will cause the vm's to crash when it tries to backup. I think the problem is because the "Microsoft Vitual Server 2005 Writer" is not showing up when I run "vssadmin list writers". Can I install the writer without reinstalling VS 2005?

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  • how to restore files deleted in the Mapping virtual drive

    - by r9r9r9
    I used psubst drive1: drive2:path /P to create the persistent virtual drive, I found that's greate, but when I delete files in those drives, they didn't appeared in the Recycle Bin, so How can I restore them? ex: I used (p)subst K: C:/1 to create the K: driver, then I delete files in the K:, I think it will be better if they are moved to the C:/Recycle Bin but not delete persistently. you can find more detail about psubst here: http://code.google.com/p/psubst/

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  • Porting GNOME keyboard shortcuts to URXVT

    - by fpga_boffin
    I recently switched from gnome terminal to urxvt (and installed tabbed extensions). I am also a heavy emacs user which uses a lot of key combinations similar to urxvt (tab related stuff) like Shift-Left and Shift-Right. These key-combinations are set for selecting text in emacs. Is there a way to map ALT-1, ALT-2, ALT-3 for tabs 1, 2, 3 ..? Is there an extension to do that ? Can it be achieved through the ~/.Xdefaults file ?

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  • Share Keyboard/Mouse between PC (windows?) and Android

    - by kashiko
    Has anyone come across software that can do this successfully/reliably? I would like to set up my Nexus 7 tablet on a stand under my monitor and use it with the mouse/KB hooked up to my desktop so I can continue to use it while using my desktop without having to pick it up. I was able to find one application which claims to do this (PC Loves Android), but reviews on the Google Play store do not seem to favor it.

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  • Tomcat with virtual hosts - 404

    - by Thardas
    I have a CentOS 5.2 server set up with Apache 2.2.3 and Tomcat 5.5.27. The server hosts multiple virtual hosts connected to multiple Tomcats. For instance we have one tomcat for development and testing and one tomcat for production. project.demo.us.com points to dev tomcat and project.us.com points to production tomcat. Here's the virtual host's configuration: <VirtualHost *:80> ServerName project.demo.us.com CustomLog logs/project.demo.us.com/access_log combined env=!VLOG ErrorLog logs/project.demo.us.com/error_log DocumentRoot /var/www/vhosts/project.demo.us.com <Directory /var/www/vhosts/project.demo.us.com> Allow from all AllowOverride All Options -Indexes FollowSymLinks </Directory> ########## ########## ########## JkMount /project/* online </VirtualHost> JkMount line defines that we use online worker and our workers.properties contains this: worker.list=..., online, ... worker.online.port=7703 worker.online.host=localhost worker.online.type=ajp13 worker.online.lbfactor=1 And tomcat's conf/server.xml contains: <Connector port="7703" enableLookups="false" redirectPort="8443" protocol="AJP/1.3" URIEncoding="UTF-8" maxThreads="80" minSpareThreads="10" maxSpareThreads="15"/> I'm not sure what redirectPort is but I tried to telnet to that port and there's no one answering, so it shouldn't matter? Tomcat's webapps directory contains project.war and the server automatically deployed it under project directory which contains index.jsp and hello.html. The latter is for static debugging purposes. Now when I try to access http://project.demo.us.com/project/index.jsp, I get Tomcat's HTTP Status 404 - The requested resource () is not available. The same thing happens to hello.html so it's not working with static content either. Apache's access_log contains: 88.112.152.31 - - [10/Aug/2009:12:15:14 +0300] "GET /demo/index.jsp HTTP/1.1" 404 952 "-" "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2" I couldn't find any mention of the request in Tomcat's logs. If I shutdown this specific tomcat, I no longer get Tomcat's 404 but Apache's 503 Service Temporarily Unavailable, so I should be configuring the correct Tomcat. Is there something obvious that I'm missing? Is there any place where I could find out what path the Tomcat is using to look for requested files?

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  • Tor in virtual machine - 502 bad gateway

    - by Kon
    I'm trying to run Tor in virtual machine. It used to work, but now when I try to access sites I get "502 bad gateway" error from Privoxy instead of requested site. I tried fixing time to correct one with date command but I still get 502 error. I use Virtualbox, Linux guest, and Tor+Privoxy setup.

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  • Turn on Laptop backlight without a keyboard shortcut

    - by user24963
    I recently installed the latest drivers and my screen backlight turned off. The problem is that my Fn-F7 key combination doesn't work, so I can't turn it back on. I can see my screen at night if I hold a source of light next to the screen. So I can still do some trivial things with my laptop. Is there a way to turn the backlight on without using Fn-F7 key combination, either via the command line, or some other way?

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