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  • Varnish VCL not allowing two separate IP addresses as backends

    - by Peter Griffin
    Every time I attempt to add an extra back end into our VCL file, it's fails. Here is the DAEMON_OPTS we are running off: DAEMON_OPTS="-a :80 \ -T localhost:6082 \ -f /etc/varnish/custom.vcl \ -u varnish -g varnish \ -S /etc/varnish/secret \ -s malloc,10G" And here is the offending backend(s) backend default { .host = "114.123.456.789"; .port = "8080"; } backend alt { .host = "203.123.456.789"; .port = "80"; } Any Ideas ? Gut feeling is it might need the backends to be set somewhere, but I'm not sure where.

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  • Configure sendmail to accept connection from one other IP address

    - by Kumala
    I have a RubyOnRails application running on the same server that runs sendmail. The application sends out (no need to receive) emails via the local sendmail. Now I intend to move sendmail to a dedicated server. How do I make sendmail on that server accept connections from my application on the other server? I modified sendmail.mc from DAEMON_OPTIONS(`Family=inet, Name=MTA-v4, Port=smtp, Addr=127.0.0.1')dnl to DAEMON_OPTIONS(`Family=inet, Name=MTA-v4, Port=smtp')dnl I have also added to /etc/mail/access: Connect:198.211.117.41 RELAY then ran m4 sendmail.mc > sendmail.cf and restarted sendmail. Trying to connect from my app server with telnet on port 25 to the mail server gives me: telnet: Unable to connect to remote host: Connection refused Am I missing something?

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  • Tomato VPN connect but cannot ping LAN IP

    - by David Hamilton
    I've setup TomatoVPN using these settings on the server: TAP UDP 1194 Client address pool 10.10.9.1 -10.10.9.254 LAN clients are configured with 10.10.10.x I can connect from a remote client, but pinging anything in the 10.10.10.x results in a "Destination Host Unreachable" error. Here's my client configuration script: remote x.x.x.x 1194 client dev tap0 proto udp resolv-retry infinite nobind persist-key persist-tun float ca ca.crt cert client1.crt key client1.key ns-cert-type server Any suggestions as how I can make this properly bridge the two networks?

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  • What is the simplest way to confirm or to disprove that Virtual Box virtual machines support GRE protocol

    - by mbaitoff
    It is stated in VirtualBox manual (chapter 6) that VM network interfaces in "NAT" mode do not support GRE protocol. I'm currently trying to setup a pair of VMs as pptp server and client which would communicate via VM's network interfaces in "INTERNAL NETWORK" mode. I set up modern Linux OSes with pptp software on both machines and made some basic pptp configuration. However, I fail to connect the client to the server - server reports a failure when writing to GRE socket. I now need a quick proof of principal ability to use the GRE protocol between VirtualBox VMs over a network in "INTERNAL" mode, such as a several-line .c program that would try to open/send/receive/close a GRE protocol connection, or like a specific lightweight tool to diagnose the GRE availability. Any suggestions?

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  • Is it possible to connect machine to esxi Virtual Machine directly

    - by Mirage
    I have one server and i want to install VMs on that. Now i want to use one of VM as my main OS and i want that when i turn on second computer then that VM OS opens up. One way is to use remote desktop connection but for that i need to install OS on Second computer. Is there any way to directly link Second computer to VM on Server so that i don't have to install OS

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  • Dynamic DNS on D-Link DWR-112 3G router uses a private IP address

    - by user270151
    I'm using a D-Link DWR-112 3G router to connect to the internet by using Celcom broadband plug-in. How can I do the port forwarding to my server? I already have correctly configured my DynDNS, but every time the DynDNS will not set to public address but local private address with in the range 10.xxx.xxx.xxx. My router address is 192.168.1.1 and server address is 192.168.1.5. Can someone give me some guideline about this issue?

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  • No virtual console on ubuntu 12.10

    - by Buzzzz
    When I try to do a ctr-alt f(1-6) in ubuntu 12.10 I only get a black screen with a blinking cursor but no login prompt. Any ideas on what could be wrong? It is a fresh install of 12.10 using a amd radeon 5850 graphics card. i have tried different things in my /etc/default/grub but at the moment I use the following: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash vga=normal" #GRUB_CMDLINE_LINUX="vga=0x0376" #RUB_CMDLINE_LINUX_DEFAULT="vga=0x014c" #GRUB_CMDLINE_LINUX="vga=0x014c" #GRUB_GFXPAYLOAD_LINUX=1600x1200x24 # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console

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  • Add custom Virtual Machine icons to VirtualBox

    - by Iszi
    I'd like to use custom icons to better distinguish machines running the same OS from each other, in VirtualBox. is this possible? If so, what file(s) do I need to add/edit? Examples: I've got two Windows 7 VMs. One I use as a sandbox for testing various things, and the other I use for when I need to connect to work (ideally, my personal system - the host machine - never directly connects). I'd like to have perhaps a beaker for the sandbox, and a suitcase for the work machine. I've got two Ubuntu VMs. One is BackTrack Linux, the other is a build I'm using to learn more about the OS. I wouldn't mind keeping the regular icon for the latter, but I'd like to use one of BackTrack's icons or images for the former. I'm running VirtualBox 4.1.6 on Windows 7 x64.

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  • vagrant fails to bring up additional adapter for centos vm using virtual box provider

    - by Anadi Misra
    this is in continuation of the question asked here about host only adapter on dhcp I upgraded to vagrant 1.6.3 and the updated Vagrantfile to following setting for multiple adapters # add additional adapter for inter machine networking dev.vm.network :private_network, :type => "dhcp", :adapter => "2", :netmask => "255.255.255.0" it goes through creating adapters but then fails bringing up the mic on vm Anadis-MacBook-Pro:full-stack-env anadi$ vagrant up Bringing machine 'full-stack-env' up with 'virtualbox' provider... ==> full-stack-env: Clearing any previously set forwarded ports... ==> full-stack-env: Clearing any previously set network interfaces... ==> full-stack-env: Preparing network interfaces based on configuration... full-stack-env: Adapter 1: nat full-stack-env: Adapter 2: hostonly ==> full-stack-env: Forwarding ports... full-stack-env: 22 => 4223 (adapter 1) full-stack-env: 8080 => 8090 (adapter 1) ==> full-stack-env: Running 'pre-boot' VM customizations... ==> full-stack-env: Booting VM... ==> full-stack-env: Waiting for machine to boot. This may take a few minutes... full-stack-env: SSH address: 127.0.0.1:4223 full-stack-env: SSH username: vagrant full-stack-env: SSH auth method: private key full-stack-env: Warning: Connection timeout. Retrying... full-stack-env: Warning: Connection timeout. Retrying... full-stack-env: Warning: Remote connection disconnect. Retrying... ==> full-stack-env: Machine booted and ready! ==> full-stack-env: Checking for guest additions in VM... ==> full-stack-env: Setting hostname... ==> full-stack-env: Configuring and enabling network interfaces... The following SSH command responded with a non-zero exit status. Vagrant assumes that this means the command failed! ARPCHECK=no /sbin/ifup eth 2> /dev/null Stdout from the command: Device eth does not seem to be present, delaying initialization. Stderr from the command: how ever when I log in to the environment I see two network interfaces as expected Anadis-MacBook-Pro:full-stack-env anadi$ vagrant ssh Last login: Wed Jun 4 12:54:47 2014 from 10.0.2.2 [vagrant@full-stack-env ~]$ ifconfig eth0 Link encap:Ethernet HWaddr 08:00:27:BD:39:57 inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0 inet6 addr: fe80::a00:27ff:febd:3957/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:511 errors:0 dropped:0 overruns:0 frame:0 TX packets:360 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:54574 (53.2 KiB) TX bytes:46675 (45.5 KiB) eth1 Link encap:Ethernet HWaddr 08:00:27:A3:86:C9 inet addr:172.28.128.3 Bcast:172.28.128.255 Mask:255.255.255.0 inet6 addr: fe80::a00:27ff:fea3:86c9/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5 errors:0 dropped:0 overruns:0 frame:0 TX packets:9 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1360 (1.3 KiB) TX bytes:894 (894.0 b) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) I am bit confused here on why it is trying to add another mic (eth2)? In the VM I used for creating this vagrant box, I had added two NICs already.

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  • Solaris TCP/IP performance tuning

    - by Andy Faibishenko
    I am trying to tune a high message traffic system running on Solaris. The architecture is a large number (600) of clients which connect via TCP to a big Solaris server and then send/receive relatively small messages (.5 to 1K payload) at high rates. The goal is to minimize the latency of each message processed. I suspect that the TCP stack of the server is getting overwhelmed by all the traffic. What are some commands/metrics that I can use to confirm this, and in case this is true, what is the best way to alleviate this bottleneck? PS I posted this on StackOverflow originally. One person suggested snoop and dtrace. dtrace seems pretty general - are there any additional pointers on how to use it to diagnose TCP issues?

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  • timeout with apache & php w/ each virtual host has his own user process

    - by acemtp
    I have 10 unix users in /home/. Each user is for a specific subdomain for example user www in /home/www/public_html is for www.mywebsite. blog in /home/blog/public_html is for blog.mywebsite. 90% is php and 10% ror for the moment i use apache + fastcgi that use SuexecUserGroup to setup the process with the good user. it seems to works but i have a strange behavior where after a few hours/days, the server stop answering (timeout) but the cpu load is still very low (it's a big server), the apache status display lot of "W" Sending Reply states but there's still 50 idle workers so it should be able to answer. in the older server (lot of slower) we add only one user and using mod_php and we never had this issue. is there another way to do that without fastcgi and SuexecUserGroup or do you know what's going wrong?

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  • MAMP Pro virtual hosts on Mountain Lion not being recognized

    - by user135242
    I'm running MAMP PRO 2.1.1 on OSX 10.8.1 and not having any luck getting Apache to recognize any hosts that have been set up in MAMP besides localhost. This only happens when trying to use port 80. When I switch to port 8888 everything runs fine. Mountain Lion's Apache has been disabled and I get no errors or warnings when starting MAMP and the servers. Any doc root I set for "localhost" runs without problem. Any other server name I define, however, results in "cannot connect" when viewing in Chrome (not to be confused with "cannot find" - the browser is in fact following /etc/hosts to 127.0.0.1, but MAMP's Apache is simply not responding) I was wondering if anyone else has run into this issue or knows how to solve it. I'm working on some WordPress development and it keeps wanting to redirect to the base URL (with no port reference) even during setup. I'm sure I could fix things from the WP side but I'd rather figure out what the root issue is with MAMP. Thanks in advance for any insight you can provide.

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  • I want to virtualize my workstation (Tier 1), Looking for Bare Metal Hypervisor for consumer grade components

    - by Chase Florell
    I find myself in this similar bind at least once a year. The bind whereby I'm either upgrading a motherboard, or an OS hard drive. It drives me crazy to have to reinstall Windows, Visual Studio, all my addins, reconfigure my settings etc... every single time. I have a layout and I like and I want to stick with it. My question is... Is there a Bare Metal Hypervisor on the market that will enable me to virtualize my consumer grade workstation? I really want to avoid Host/Client virtualization. Bare Metal is definitely a better way to go for my needs. Is this a good approach, or am I going to suffer some other undesirable side effects by doing this? Clarification My machine has very limited purposes. My primary use is Visual Studio 2010 Professional where I develop ASP.NET MVC Web Applications. The second piece of software that I use (that's system intensive) is Photoshop CS3. Beyond that, my applications are limited to Outlook, Internet Explorer, Firefox, Opera, Chrome, LinqPad, and various other (small) apps. Beyond this, I'm considering working on a node.js project and might run ubuntu on the same hypervisor if possible. System Specs: Gigabyte Motherboard Intel i7 920 12 GB Ram basic 500GB 7200RPM HDD for OS 4 VelociRaptors in Raid 1/0 for build disk Dual GTS250 (512MB) Graphics cards (non SLI) for quad monitors On a side note I also wouldn't be opposed to an alternative suggestion if the limitations are too great. I could install the ESXi (or Zen Server) on my box, and build a separate "thin client" to RDP into the virtual machine. It appears as though RDP supports dual monitors. Edit (Dec 9, 2011) It's been nearly a year since I first asked this question. Since then, there have been a lot of great strides in Hypervisor technology... AND MokaFive is now released for corporate use. I'd love to dig into this question a little more and find out if there is a solid BareMetal Hypervisor for workstations running consumer grade components (IE: not Dell, HP, Lenovo, Etc).

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  • Configuring linux server firewall to allow access from a certain range of IP addresses

    - by eggman20
    Hi Guys, I'm new to linux server. I'm currently trying to get an Ubuntu 10.10 server up and running for the first time and I'm using Webmin for administration. I'm stuck on the setting up the firewall. What I need to do is to ONLY allow a range of IPs (e.g 128.171.21.1 - 128.171.21.100) to access the HTTP server and Webmin. I've seen a lot of tutorials but none of them fits what I needed. Thanks in advance!

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  • Virtual system drive is split between separate LUNs

    - by Tigran
    My hardware VMWare guy told me that a Win2008R2 server I have has a D drive that is split between two separate LUNs. He could not tell me if that's a good thing or bad just that it's not standard practice for him. Would you please explain the benefits or drawbacks of this setup? Thanks EDIT Some additional info. What happened was I had D drive already allocated. Then I asked for more. They said there's no more space on whatever LUN my D drive is on so the option they gave me was that part of the D drive will be on one LUN and other part will be on another LUN. Hope that helps

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  • Prioritizing a KVM virtual machine

    - by Joril
    I have a CentOS 6.2 server running a few KVM VMs, how can I prioritize one of them above the others? I tried: virsh dumpxml vm > vm.xml and then adding to vm.xml <cputune> <shares>10240</shares> <period>100000</period> <quota>-1</quota> </cputune> and then virsh define vm.xml but it looks like nothing changed... Am I missing something? How could I check if my "cputune" is in effect?

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  • PCs on domain can not resolve external IP addresses using the DC's DNS Server

    - by Ben
    I currently have a domain controller which handles all DHCP and DNS. The DHCP works just fine and the domain controller itself can use the internet with no issues. However, PCs that are part of the domain are not able to use external websites, only internal. Does anyone have any way I can solve this issue? Thank you Server: Windows Server 2008 R2 PC: Win7 Enterprise x64 Edit: (domain controller) C:\Users\bcollyer>nslookup google.com Server: localhost Address: 127.0.0.1 Non-authoritative answer: Name: google.com Addresses: 2a00:1450:4009:809::100e 173.194.41.166 173.194.41.165 173.194.41.169 173.194.41.162 173.194.41.161 173.194.41.160 173.194.41.168 173.194.41.167 173.194.41.164 173.194.41.163 173.194.41.174 Edit 2: C:\Users\bcollyernetstat -rn Interface List 12...30 85 a9 f7 8a 21 ......Atheros AR8161/8165 PCI-E Gigabit Ethernet Control ler (NDIS 6.20) 1...........................Software Loopback Interface 1 13...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter 11...00 00 00 00 00 00 00 e0 Microsoft Teredo Tunneling Adapter IPv4 Route Table Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 172.16.0.67 172.16.0.202 20 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 172.16.0.0 255.255.0.0 On-link 172.16.0.202 276 172.16.0.202 255.255.255.255 On-link 172.16.0.202 276 172.16.255.255 255.255.255.255 On-link 172.16.0.202 276 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 172.16.0.202 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 172.16.0.202 276 Persistent Routes: None IPv6 Route Table Active Routes: If Metric Network Destination Gateway 1 306 ::1/128 On-link 1 306 ff00::/8 On-link Persistent Routes: None BTW I have no javascript on the server so can't reply to individual answers... Sorry!

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  • ip routing policy in linux

    - by Dragos
    I have a linux system with two network interfaces (eth0 in x.x.x.0 and eth1 in x.x.y.0). Is there any posibility to add some route policy to send all the traffic to network x.x.y.0. I would like even the traffic from eth0 to be send to eth1's network. I cannot delete the direct connected networks from the routing table so all the traffic from x.x.x.0 network is send to eth0. I would like to send all traffic to eth1.

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  • Transfering Files to server IP and port

    - by Mason
    I need to transfer files from my local computer on windows 7 to a server running linux. I access the server with putty through ssh at a specific IPv4 address and port number. I've attempted using the pscp command from my local computer but was denied access by the server. "Fatal: Network error: Connection refused" c:>pscp test.csv userid@**IPv4_Addres***:Port# /path/destination_file_name. Either the server blocks all pscp attempts from unauthorized users (most likely my laptop included) or I used the command incorrectly. If you have experience using this command, where exactly will the file get transfered to, I'm assuming that the path destination starts at my home directory in the server. Also if you have any other alternative methods of transfering the files let me know. Update 1 I have also tried using WinSCP however I got permission denied for that as well, it looks like the server will not let me upload or save files. Solved I had a complete lapse of memory and forgot about sudo (spent too much time with scripts the last 2 months), so I was able to change the permissions to allow external editing. Thanks for all the help guys!

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  • how to forward IP request to a specific port

    - by Jeremy Talus
    I have 2 servers the first (SRV01) is running Bind and other web app the second (SRV02) is running 2 server Minecraft (^^) in Bind I have 2 A recording for the 2 server MC s1.domain.tld A SRV02IP s2.domain.tld A SRV02IP the 2 MC serv are running on 2 different port 25565 and 25566 so I want that the request from s1.domain.tld:25565 are going to SRV02IP:25565 and the request from s2.domain.tld:25565 are going to SRV02IP:25566 I think I need do this in the SRV02 iptables. I have looking some topic about iptables but nothing pertinent to me. could you help me ? rgds.

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  • I can't get my Macbook Pro to print to an IP addressable printer

    - by Pieter
    Running Macbook Pro OS X 10.6.3 Accessing an HP OfficeJet 5610 plugged in the USB port of a US Robotics router. I tried several combinations of: Protocol: Internet Printing Protocol (IPP) Line Printer Daemon (LPD) HP JetDirect (socket) Address: http://192.168.1.10:1631/printers/HP5610 192.168.1.10:1631/printers/HP5610 http://192.168.1.10:1631 192.168.1.10:1631 192.168.1.10 ... Driver: HP OfficeJet 5600 Series Whenever I try to print, it fails while saying "connected to printer" or "Printer is busy...zill try again in X seconds" Both Windows 7 and Windows XP computers on the network can successfully access this printer, identifying it as "HP5610 on http://192.168.1.10:1631/" I tried clearing all tasks and printers (ctrl-click in the menu), and resetting it to (socket, http://192.168.1.10:1631/printers/HP5610, HP5600 series) but to no success.

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  • Setting up local virtual host

    - by Webnet
    I'm trying to setup a local working copy of my domain and I've modified the "domain" file within /etc/apache2/sites-available/, executed "sudo a2ensite domain" and then restarted apache and my browser is not looking locally for the domain. What step am I missing? NameVirtualHost domain:80 <VirtualHost domain:80> ServerName domain DocumentRoot /var/www/domain.com/ </VirtualHost>

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  • What constitutes valid justification for more IP addresses?

    - by David
    I host a small website with a well known VPS service. They provided me with one IPv4 address upon registering and said additional addresses would require justification. I requested one additional IPv4 address so as to have one for a production environment and one for a testing/QA environment. They said this was unnecessary as I could just use alternative TCP ports for the test environment. I can live with using a non-standard port for non-production hosting, but it got me thinking, what would be valid justification? (I asked them and they didn't want to answer). Is there an industry standard for what counts as "valid" justification for additional IPv4 addresses?

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