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  • Build a server in KVM linux

    - by Lai Yu-Hsuan
    I owned a linux server. Now there are several users want to build web services on it, but they require different enviroments. For convenience I give a KVM virtual machine root permission to each user. But obviously the linux server has only one IP. How can I deliver the external requests to corresponding virtual machine? (I expect it's somewhat complicated. If so I want at least some docs/websites I can start reading.)

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  • PPTX to PDF -> Hyperlinks failed

    - by Joe
    Hi, I have a Powerpoint 2007 document with hyperlinks to other slides and external docs both on the master layout and on serveral slides. When I try to convert it to PDF, it loses all the hyperlinks. I have the following Questions: Which PDF-Converter does not kill my Hyperlinks made in the Powerpoint Layout master? I tried Adobe and DoPDF. And how do I have to setup the prog/converter? thanks in advance!

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  • Is there a performance penalty using in-place models/families in a large Revit project

    - by Jaips
    (I'm quite new at Revit so apologies if my concepts are a bit inaccurate) I have heard using, in-place models in Revit projects is poor practice since it can slow down a large project. However I noticed Revit also organising inplace models lumping them with the rest of the families. So my question is: Is there really any performance penalty/benefit to be had by inserting families from an external file as opposed to creating inplace models in a Revit project?

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  • Using iptables to forward traffic destined for specific ip via specific interface

    - by shapeshifter
    I want to forward traffic destined for a specific ip from my internal network via a specific interface. I have two interfaces which are currently load balanced. I need all requests for a certain ip to go out via eth0 otherwise my external ip changes and sessions are dropped. eg. all requests from 10.1.1.1/24 to ip 11.22.33.44 on port 443 must go out via interface eth0. How can I do this with iptables?

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  • Load Balancing Linux Web Services and Change Config Without Restart

    - by Eric J.
    What options are available to load balance web service traffic on Linux with the ability to add or remove servers from the server pool without restarting the load balancer? This post: http://serverfault.com/questions/71437/mod-proxy-change-without-restart looks like a very promising way to switch between two servers, but I don't know enough about mod_proxy and mod_rewrite to understand how/if I can use an external file to specify the BalancerMember entries for a section. Are there other open source load balancers that support reconfiguration without restart?

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  • Add drupal modules on ec2 server

    - by CQM
    how do I add external drupal modules to an ec2 server? Drupal interface wants me to provide ftp password, but amazon ec2 uses private key pair and not username/password (unless I enable that, which I don't want to) how would I install from a site like this http://drupal.org/project/restws if the automated way is not feasible, do I just have to upload the individual module files to a particular drupal folder via sftp?

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  • Cancelled a format using diskpart at 0%. Can I get the data back?

    - by Sudarshan
    I wanted to format my USB thumbdrive, but incorrectly did the following on my external HDD!! CMD -- Diskpart select disk 2 clean create partition primary select partition 1 active format fs=fat32 While it was still at 0% however, I cancelled the format and quit from CMD. I can no longer see the HDD in My computer though, and it shows up as below in diskpart Disk 1 Status - Online Size- 1800 GB Free - 0B Is there anything I can do to get the data and HDD back?

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  • Can this USB3 behaviour be anything else than a hardware failure?

    - by Jonas Wielicki
    While my motherboard is half a year old now (ASUS M5A99X EVO), I only recently made use of the USB3 boards (after purchase of USB3 external harddrive). However, I am encountering issues. I am running linux 3.6.7-4.fc16.x86_64. Initially, the harddrive worked fine with USB3 (amazing ˜160MB/s), but I had some problems after putting after putting the harddrive to sleep manually after use (backup) with hdparm -Y. After some time, the device disappears from lsusb and i see the following in dmesg: [ 1924.091107] xhci_hcd 0000:05:00.0: xHCI host not responding to stop endpoint command. [ 1924.091114] xhci_hcd 0000:05:00.0: Assuming host is dying, halting host. [ 1924.091147] xhci_hcd 0000:05:00.0: HC died; cleaning up [ 1924.091233] usb 11-1: USB disconnect, device number 2 [ 1924.091272] sd 6:0:0:0: Device offlined - not ready after error recovery Testing with my (USB3 capable) notebook, I could not immediately reproduce the behaivour. I put the drive to sleep with hdparm -Y and waited for like an hour, but it was still listed in lsusb and responded after a few seconds delay when I tried after the hour of waiting. After an hour, on the desktop, the device would've usually vanished. Googling for this issue, I came across hints that playing around with IOMMU settings and upgrading the BIOS might help. I upgraded the BIOS and tried both with and without IOMMU enabled, got similar results. Most disturbing is, that one of the two USB 3.0 hubs sometimes also disappears from lsusb (or does not show up after boot at all). I've also heard that there are some hardware issues with ASUS USB3 ports. Applying mechanic force to the capble doesn't push the issue to one side or the other. Also, udev seems to reenumerate all devices if I plug the HDD into the USB 3.0 port without success (I can notice from my keyboard layout being changed to the default, which I do not use normally). The drive is externally powered and the external power supply is plugged in (it also stays powered when unplugging from USB, although it will spin down then). So before I try to return the board, I wanted to find out whether this can be anything else than a failure on the motherboard?

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  • video player recommendation (hardware)

    - by Fuxi
    hi all, i'm looking for a hardware-videoplayer with the following features: support for all kind of video formats from the web (xvid, divx, mpeg ..) w/o problems slots for memory cards like cf/sd usb connector for external devices like hd/usb sticks updateable firmware support for .srt files (subtitles) - option to change eg. fontsize currently i'm having a dvd player with memory slot but it only supports a few formats and it's very annoying having to convert anything - mostly it doesn't work. thx in advance

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  • Is there a performance pentalty using in-place models/families in a large Revit project

    - by Jaips
    (I'm quite new at Revit so apologies if my concepts are a bit inaccurate) I have heard using, in-place models in Revit projects is poor practice since it can slow down a large project. However i noticed Revit also organising inplace models lumping them with the rest of the families. So my question is: Is there really any performance penalty/benefit to be had by inserting families from an external file as opposed to creating inplace models in a Revit project?

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  • Multiple virtual VLAN interfaces on single NIC (Debian)

    - by RayQuang
    I'm trying to setup multiple virtual interfaces with VLAN's on a single NIC. I'm running Debian Squeeze. Currently this is my /etc/netowrk/interfaces auto eth0.10 iface eth0.10 inet dhcp This gives me a working connection, however I'm not sure how to configure several like these on a single NIC so I can use multiple external IP's. I have tried aliasing the VLAN's like so: iface eth0.10:1 But that was not successful and it said failed to bring up interface. And suggestions would be greatly appreciated :)

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  • How come I can't redirect TCP ports on this wireless router?

    - by George Edison
    I am configuring a router to redirect TCP port 5900 (yes, this is for VNC) to a specific IP address on the network. Here is what I have: From a local computer on the same network, I can telnet to 192.168.1.64 (port 5900) just fine. However, when trying to telnet to the machine (port 5900) using its external IP address, it doesn't work. (The connection times out.) The router is a Gigaset SE567, if that helps.

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  • Backups devices for Windows Server Backup and Symantec [closed]

    - by user137841
    What is the best way to backup windows SQL, Exchange or AD servers data to? NAS, external USB , iSCSI or perhaps some other backup solution? I will not however be considering cloud backup solutions due to bandwidth restrictions and cost. Currently I find NAS devices to give the best results but clients that do not have the budget for backup software use Windows Server Backup but then they can make only 1 backup to a NAS at a time.

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  • Mouse won't work in XP on Latatitude

    - by Kyle Brandt
    I have a Latitude D630 Laptop with a Fresh Windows XP install that won't work with a generic external USB mouse. It recognizes the device has been put in but fails to install it. USB keyboards work fine I have tried restarting the laptop Tried starting the machine without the docking station and plugging directly into the laptop Don't have the original CD, but I installed drives from the Dell website until there were no ? icons Tried deleting the USB mouse device and plugging it again

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  • XP: cannot assign a letter to a FAT32 partition

    - by Toc
    I have an external hard disk, where I have created many partitions to use also in Linux. The first two partitions are FAT32. The third is a Truecrypt Partition. I cannot assign a letter to the second partition. When I go to Manage disk and make right clic on the unassigned partition, most of the items are not enables. See screenshot: http://i42.tinypic.com/ofsh9u.jpg What have I to do to see this partition on my XP pc?

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  • IPTABLES route, redirect, forwardc traffic

    - by Anthony
    I am trying to redirect traffic from one IP reached on a specific port to a website. For example I have two external ips, lets say 194.145.63.1 and 194.145.63.2 set on one network card as 194.145.63.1 - eth0 and 194.145.63.2 -eth0:1 mywebsite.com allows access only from 194.145.63.1 and I want to set my rules like if I hit http://194.145.63.2:8080 to open mywebsite.com trough 194.145.63.1. Thanks in advance!

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  • DNS resolution problems; dig SERVFAIL error

    - by JustinP
    I'm setting up a couple of dedicated servers, and having problems setting up my nameservers properly. One of these is a LEMP server (LAMP with nginx in place of Apache), and the other will function solely as an email server, running exim/dovecot/ASSP antispam (no Apache). The LEMP server is CentOS 5.5, with no control panel, while the email server is CentOS 5.5 as well, with cPanel/WHM. So, I've had problems getting DNS set up properly. I have two domains, each one pointing to one of these servers. The nameservers are registered correctly with the domain registrar, and the nameserver IPs are entered correctly as well. I've spoken to tech support at the registrar and they confirm that everything is set up on their end. Not knowing much about DNS, I googled nameservers and DNS until I nearly went blind, and spent hours messing with the configuration. Eventually, I got the LEMP server's DNS working properly (no cPanel). Pleased with this triumph, I'm trying to mimic that configuration and repeat the process with the email server, and it's just not happening. The nameserver starts and stops, but the domain doesn't resolve. Things I have tried Going through standard procedures to set up DNS in WHM Clearing all DNS information, uninstalling BIND, then reinstalling all of that and again going through WHM procedures for setting up DNS Clearing all DNS information, and setting up BIND via shell (completely outside of cPanel) by using my config and zone files from the LEMP server as a template named runs just fine, but nothing is resolving. When I "dig any example.com" I get a SERVFAIL message. Nslookups return no information. Here are my config and zone files. named.conf controls { inet 127.0.0.1 allow { localhost; } keys { coretext-key; }; }; options { listen-on port 53 { any; }; listen-on-v6 port 53 { ::1; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file "/var/named/data/named_stats.txt"; memstatistics-file "/var/named/data/named_mem_stats.txt"; // Those options should be used carefully because they disable port // randomization // query-source port 53; // query-source-v6 port 53; allow-query { any; }; allow-query-cache { any; }; }; logging { channel default_debug { file "data/named.run"; severity dynamic; }; }; view "localhost_resolver" { match-clients { 127.0.0.0/24; }; match-destinations { localhost; }; recursion yes; //zone "." IN { // type hint; // file "/var/named/named.ca"; //}; include "/etc/named.rfc1912.zones"; }; view "internal" { /* This view will contain zones you want to serve only to "internal" clients that connect via your directly attached LAN interfaces - "localnets" . */ match-clients { localnets; }; match-destinations { localnets; }; recursion yes; zone "." IN { type hint; file "/var/named/named.ca"; }; // include "/var/named/named.rfc1912.zones"; // you should not serve your rfc1912 names to non-localhost clients. // These are your "authoritative" internal zones, and would probably // also be included in the "localhost_resolver" view above : zone "example.com" { type master; file "data/db.example.com"; }; zone "3.2.1.in-addr.arpa" { type master; file "data/db.1.2.3"; }; }; view "external" { /* This view will contain zones you want to serve only to "external" clients * that have addresses that are not on your directly attached LAN interface subnets: */ match-clients { any; }; match-destinations { any; }; recursion no; // you'd probably want to deny recursion to external clients, so you don't // end up providing free DNS service to all takers allow-query-cache { none; }; // Disable lookups for any cached data and root hints // all views must contain the root hints zone: //include "/etc/named.rfc1912.zones"; zone "." IN { type hint; file "/var/named/named.ca"; }; zone "example.com" { type master; file "data/db.example.com"; }; zone "3.2.1.in-addr.arpa" { type master; file "data/db.1.2.3"; }; }; include "/etc/rndc.key"; db.example.com $TTL 1D ; ; Zone file for example.com ; ; Mandatory minimum for a working domain ; @ IN SOA ns1.example.com. contact.example.com. ( 2011042905 ; serial 8H ; refresh 2H ; retry 4W ; expire 1D ; default_ttl ) NS ns1.example.com. NS ns2.example.com. ns1 A 1.2.3.4 ns2 A 1.2.3.5 example.com. A 1.2.3.4 localhost A 127.0.0.1 www CNAME example.com. mail CNAME example.com. ; db.1.2.3 $TTL 1D $ORIGIN 3.2.1.in-addr.arpa. @ IN SOA ns1.example.com contact.example.com. ( 2011042908 ; 8H ; 2H ; 4W ; 1D ; ) NS ns1.example.com. NS ns2.example.com. 4 PTR hostname.example.com. 5 PTR hostname.example.com. ; Also of note: both of these servers are managed. Tech support is very responsive, and largely useless. Hours go by with them asking me questions to narrow down what could be wrong, then they pass the ticket to the tech on the next shift, who ignores everything that's happened already and spend his whole shift asking all the same questions the last guy asked. So, in summary: *Nameservers, with IPs, are correctly registered with domain registrar *named is configured and running *...and must not be configured correctly, because nothing resolves. Any help would be great. I changed domains and IPs in the files to generics, but let me know if you need to know the domain in question. Thanks! UPDATE I found that I didn't have 127.0.0.1 in /etc/resolv.conf, so I added it, along with my two public IPs that I have named listening on. resolv.conf search www.example.com example.com nameserver 127.0.0.1 nameserver 7.8.9.10 ;Was in here by default, authoritative nameserver of hosting company nameserver 1.2.3.4 ;Public IP #1 nameserver 1.2.3.5 ;Public IP #2 Now when I DIG example.com from the host, it resolves. If I try to DIG from my other server (in the same datacenter), or from the internet, it times out or I get SERVFAIL.

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  • Scan HTML for unused assets i folders

    - by Byran
    I have a aging website I'm managing and I'd like to remove all unused external files (.css, .jpg, .js, etc.) that are currently in various folders all over the site. Is there a tool out there that can help me identify and/or remove these for me?

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  • linux router setup

    - by nuttsduh
    Hi All, I a trying to setup a a linux router for the first time and i am struggling with the setup. Here how i want to setup it up: ISP line - Linux router - Linksys router - Lan. Linux router has eth0 and eth1 How do i setup this and where do i put my external ip? Many thanks,

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  • Trackpad and USB mouse - different settings

    - by soupagain
    On my laptop I use both the trackpad and an external USB mouse. I'd like different settings for each device. e.g. the mouse is high resolution so I prefer to use a slow mouse settings, and for the trackpad I prefer to use the "Enhance pointer precision" option. But I can only seem to set these option for both devices, not individually. Can this be done? [Windows 7]

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  • Exchange not delivering the mail

    - by wolfvilleian
    I'm having an issue where my Exchange Edge Transport server receives mail (found in logs) and then it vanishes, never ending up in the users mailbox, I have a edge subscription setup between it and the main Exchange server, how can I go about tracing the message to figure out what is broken? I also have found records of the message in the logs on the main Exchange server. Thanks a ton for any help Edit: If I change port 25 on my main router to point to the main exchange server as opposed to the Edge Transport, email comes through fine form external domains and delivered in the correct mailbox

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  • Setting up reverse proxy via an HTTP proxy?

    - by billc.cn
    I have a software that has to call an external web API from inside our firewall. Currently the only way to do this is through the HTTP proxy feature of the firewall; however, the software itself does not support proxy configuration. So I am wondering is it possible to setup a reverse proxy for the API that goes through the HTTP proxy? The server is running WS2003. I can install any software on it.

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  • Monit checking URL follow redirects

    - by beck
    I am looking to use monit to keep an eye on my site. I want it to treat it the site like an external user so am testing the url but it doesn't seem to follow redirects. The content check is being performed on the html of the redirect. #request works: if failed url http://www.sharelatex.com/blog/posts/future.html content == "301" #request fails if failed url http://www.sharelatex.com/blog/posts/future.html content == "actual content" Finding out how to get the url check to follow 30X would be great.

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