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• replace windows xp with ubuntu no usb boot option and no cd?

  - by kristian nissen

  I have an old laptop running windows xp, I want to replace it with the latest version of ubuntu. The problem is that the laptop does not support boot from usb - I checked the BIOS but the option is not working, I tried http://www.pendrivelinux.com/testing-your-system-for-usb-boot-compatibility/ but with no luck. I also tried burning the iso on a dvd but the burn process keeps failing. What options do I have? Isn't it possible to install ubuntu somehow by downloading it and replacing it with the current OS?

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• Installing SSL certs with nginx on Amazon EC2

  - by Ethan

  I finally got a cert from an authority and am struggling to get things working. I've created the appropriate combined certificate (personal + intermediate + root) and nginx is pointing to it. I got an elastic IP and connected it to my EC2 instance. My DNS records point to that IP. But when I point the browser to the hostname, I get the standard "Connection Untrusted" bit, with ssl_error_bad_cert_domain. Port 443 is open - I can get to the site over https if I ignore the warning. Weird thing is, under technical details, it lists the domain I tried to access as valid! When I try and diagnose with ssl testing sites, they don't even detect a certificate! What am I missing here? domain is yanlj.coinculture.info. Note I've got coinculture.info running on a home server without a dedicated IP and have the same problem, but I'll be moving that to the same EC2 instance as soon as I figure this thing out. I thought the elastic IP would solve things but it hasn't

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• VMWare Converter recommendations

  - by Tank Szuba

  I have two Ghost 14 backups of my machine. One for the machine fully configured with apps after and XP install and one of the last update before i re-imaged it (it's XP, I re-image about once every six months). I recently wanted to try simply using my initial image in a virtual environment to do my testing that generally causes me to need to re-image. I used the VMWare converter to convert the Ghost images to a virtual machine to use in Virtual box but they fail to properly boot. They get stuck after the bios loads and windows begins loading. If I power down the machine and refire it it will go to the error screen in windows that asks if you would like to boot to a different mode. none selected make any difference. What are some possible errors I should look for in the conversion process or in my settings for the converter?

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• How do you manage large web farms?

  - by Andrew Katz

  I have a quickly growing web farm running IIS 7 (30+ servers). All servers are identical copies of each other and all servers are physical. We update the software about once a month, and in the current process, we follow the following steps: Disable server from pool on F5 load balancer. Disable HTTP Keep-alives in IIS so connections drop quickly. Change default directory of website to new folder containing new binaries. Test server Enable HTTP Keep-alives. Enable server in F5 pool. Move to server 2 Microsoft used to have Application Center which was abandoned a while ago. They have made a second attempt with the Web Farm Framework, but this adds as much QA time testing the release package as it saves in the deployment. Has anyone seen a commercial off the shelf application that is tailored for managing and deploying to large web farms? Thanks!

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• Odd domain switching behavior in Firefox and Chrome

  - by Jeremy Detrempe

  We have different development severs and a production server. Testing is done in the development servers. As a QA engineer, I'm switching between these servers quite often throughout the day. In Chrome, sometimes I need to reload a page a few times to get it to pull from the newly switched server. In Firefox, sometimes I need to quit the browser in order to get it to pull from the newly switched server. (We have small tags that indicate which server you are pulling from, which is how I know in-browser.) Why does that happen? I'd love to know how that happens (maybe what it's called?) and what the best way to deal with it is. (I know that Firefox has an extension for domain switching; is that the best solution?)

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• Slow Starting DHCP Client Service - HP Thin Clients

  - by Ryan

  We have recently began adding XPe thin clients to our domain in preperation for a new citrix environment. One thing that has been picked up on in testing is that they appear slow to boot. The issue manifest's it's self as the classic "Applying Computer Settings..." screen we are all used to seeing. After digging into the issue it appears the DHCP Client service is taking some time to load on boot, this varies but I would estimate it can take around 1 minute in some cases. I've eliminated the classic issues, DHCP is responding correctly and in quick time. DNS is not the cause and GPO's are applying promptly. A simple workaround is to assign the client a static IP which work's great so the TCP/IP servies are obviously firing up quickly, just not DHCP Client. Does anyone have any idea's on how I may be able to improve the service start time? Keen to find a better solution before I get my arm twisted into setting up 250 thin clients with static addressing!

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• "Brute force attempt" on sending multiple emails

  - by bretddog

  While testing to send multiple emails, I successfully sent about 100 emails (with a 20KB pdf attachment), to the same email-address (my own), and they were all received. But on next attempt, my cPanel account was blocked, due to a "brute force attempt". Are there any special precautions I need to take when sending bulk emails? I simply looped through below code without pause for each email. What type of alert could that give on the email server, and how should I avoid it? client = New SmtpClient(smtp, Convert.ToInt32(port)) AddHandler client.SendCompleted, AddressOf OnAsyncSendComplete client.Credentials = New System.Net.NetworkCredential(usn, psw) client.SendAsync(mail, token) Should I wait for SendComplete event for each email before sending the next?

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• Nginx ignoring client's HTTP 1.0 request and respond by HTTP 1.1

  - by Yoga

  I am testing using nginx/php5-fpm, with the code <?php header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found"); // also tested: header("Status: 404 Not Found"); echo $_SERVER["SERVER_PROTOCOL"]; And force to use HTTP 1.0 with the curl command. curl -0 -v 'http://www.example.com/test.php' > GET /test.php HTTP/1.0 < HTTP/1.1 404 Not Found < Server: nginx < Date: Sat, 27 Oct 2012 08:51:27 GMT < Content-Type: text/html < Connection: close < * Closing connection #0 HTTP/1.0 As you can see I am already requesting using HTTP 1.0, but nginx reply me with HTTP 1.1

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• setting up a WGR614v7 behind a linux box

  - by commodore fancypants

  Here's the setup, I have an openSUSE box with 2 NICs, one goes to my home network router, the other has DHCP running and it attached to a wireless router. I'm trying to get this setup to work before I switch to the linux box as my home network router. My DHCP will offer the wireless router (a WGR614v7) an address, but anything that connects to the wireless router ends up with a APIPA address. I have all the firewalls on the wireless network turned off as well as the wireless router's own DHCP. The linux box isn't offering addresses to anything past the wireless router. Is this a problem with the router or my DHCP setup? For testing purposes, I have both NICs set in the internal zone and I've tried wireless and wired connections to the WGR614v7 both to no avail.

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• SQL 2008 R2 3rd Party Peer-to-Peer Replication, Global Site Distribution

  - by gombala

  We are looking at hosting 3 globally distributed SQL Server installations at different data centers. The intent is that Site A will serve web traffic and data for a specific region, same with Site B and C. In the case that Site A data center goes down, looses connectivity, etc. the users of Site A users will fail over to Site B or C (depending which is up). Also, if a user from Site A travels to Site C they should be able to access their data as it was on Site A. My questions is what SQL replication technology (SQL Replication or 3rd party) can support this scenario? We are using SQL 2008 R2 Enterprise at each site, each site runs on top of VMWare with a Netapp filer. Would something like distributed caching help in this scenario as well? We have looked at and tested Peer-to-Peer replication but have encountered issues with conflicts during our testing. I imagine there are other global data centers that have encountered and solved this issue.

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• can't execute scripts compiled with shc

  - by serilain

  I'm trying to use SHC to compile a shell script so that I can set the SUID bit on it and obfuscate what it's doing (I'm attempting to have it run as part of all new users' .bashrc). As a test, I wrote a script that's simply: #!/bin/bash env And compiled it using shc -r -f script.sh However, when I try to run the resulting script by simply doing ./script.sh.x, even after setting it to 777 (just for testing purposes), I get "Operation not permitted; killed" unless I run it as sudo (which I don't want to have to do). Am I running afoul of some Ubuntu permissions that won't let me run binaries created by shc? Thanks!

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• Is it possible to modify a color scheme and windows decorations in Xfce4?

  - by Juhele

  just testing PCLinuxOS Phoenix XFCE Edition 2011-07 which I would like to install on my grandpa's PC instead older PCLOS 2009 with KDE3 (which is almost impossible to upgrade). The PC is relatively older one (Sempron 2200+ CPU, MSI K7N2GM2 board with integrated GeForce 440MX series graphics, 1GB RAM and 80GB IDE HDD) and I thought that it is too weak for KDE4. I already used Xfce in the past (Sam Linux 2006 and 2007), but in new Xfce4 I am not able to somehow change the windows color scheme and the windows decorations - the settings manager offers me switching between preinstalled themes but it is possible to modify them with some GUI?

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• Downgrade 'local' packages in Debian/Ubuntu

  - by Matt Joiner

  I recently unticked the "pre-released updates" option in Software Sources on my Ubuntu Lucid 10.04.1 installation. The Ubuntu wiki states the following regarding this source: The proposed updates are updates which are waiting to be moved into the recommended updates queue after some testing. They may never reach recommended or they may be replaced with a more recent update. Roughly 20 installed packages have indeed not made it into recommended updates, and occasionally cause conflicts when I install new software, as related packages of the newer version are unavailable now that I've disabled the source. How can I force a downgrade of all packages for which an earlier version exists in a enabled repository?

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• Remote kill, upload, execute file

  - by Masoud M.

  I'm developing a program and I need to upload my xyz.exe file to many host machines and execute them frequently. I need a server-client tool to do it as below steps after an update signal from my PC: Those host machine should kill any running processes with name xyz.exe. Download my new xyz.exe. Then execute new xyz.exe. I know about some tools like PsExec, but I need a tools with better user-interface and more powerful. Is there any tool to do it ? UPDATE: The systems are in a same LAN, OS is windows (XP or 7), No full remote access is needed. I'm a developer and my program should run in remote hosts and I'm testing my application.

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• How to Setting up Amazon EC2 with own OS and DB ?

  - by Spencer Lim

  i got my own version of OS and DB which are window server 2008 Hyper-V R2 and Sql server R2 2008 both in enterprise version may i know how to configure it up and running ? with amazon EC2, what other is a must combination to make it run ? also how could i install the operating system and DNS ? i never doing server before, but i just need something like VPS to support my development and testing. Amazon Ec2 seem the best and cheapest service due to only $1 per hour. Appreciate if Any brief guide provided, Thx =D

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• IE 8 doesn't appear to clear cache on demand. Is anyone else seeing this?

  - by Steve

  I have a client that uploads updated pdf files to her Concrete5 CMS, through the file manager, replacing the old file with the same name. She then does a cms "clear cache" and exits as she should. Then, in testing, she finds that the old file still comes up when clicking on the link. On further review, the cms file manager version tracking shows that the file has been updated, and, for me, the new file comes up, as it should, when clicking the link. My client hase also refreshed her browser cache and still, she only gets the old file when clicking on the link. She says that, while she can't seem to force an immediate cache update, overnight it appears to update. My client is also part of a large company-wide lan and intranet. Is it possible that there is a cache function placed outside of her local browser and cms cache that is not updating?

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• Apache on Mac Mavericks issue

  - by Michael

  Trying to run Apache so that I can create a testing server on my mac.When I start apache it starts, but it doesn't run (no connection to local host. Ill upload the unix,you'll see that after starting there is no processes, and I did a check to show you what was running on my port 80... I don't entirely know that means. Michaels-MacBook-Pro-3:~ michaelramos$ sudo apachectl start Michaels-MacBook-Pro-3:~ michaelramos$ ps aux | grep httpd michaelramos 348 0.0 0.0 2442000 624 s000 S+ 8:51AM 0:00.00 grep httpd Michaels-MacBook-Pro-3:~ michaelramos$ sudo apachectl start org.apache.httpd: Already loaded Michaels-MacBook-Pro-3:~ michaelramos$ sudo lsof -i ':80' COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME ocspd 96 root 18u IPv4 0x8402f926599c58df 0t0 TCP dhcp-92-67.radford.edu:49267->108.162.232.196:http (ESTABLISHED) ocspd 96 root 20u IPv4 0x8402f926599c58df 0t0 TCP dhcp-92-67.radford.edu:49267->108.162.232.196:http (ESTABLISHED) ocspd 96 root 21u IPv4 0x8402f926599c50f7 0t0 TCP dhcp-92-67.radford.edu:49268->108.162.232.206:http (ESTABLISHED) ocspd 96 root 23u IPv4 0x8402f926599c50f7 0t0 TCP dhcp-92-67.radford.edu:49268->108.162.232.206:http (ESTABLISHED)

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• Mapping capslock to control on Mac OS X: works for some things, but not others?

  - by keflavich

  I've mapped my capslock key to control using the Modifier Keys mapping in System Preferences: Keyboard. I've also tried mapping to "right control" instead of "left control" as per http://hints.macworld.com/article.php?story=20060825072451882 using a plist editor. The mapping seems to work in all cases except one: I can't use capslock with left-shift to make key mappings or apparently do anything else. capslock (as control) with right-shift works. I'm primarily testing by using control-tab / control-shift-tab to switch between tabs. Using the on-screen-keyboard viewer, I can get capslock-shift-(just about anything) to work, but not capslock-leftshift-tab. My best guess is that somehow the particular keyboard I'm working on is faulty, but I'm curious whether anyone else can reproduce this or has any ideas.

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• Configure Raid On Red Hat 5

  - by Sopolin

  Hi all, I have a problem with configure raid on red hat enterprise linux. The problem is when I create raid on two hard disks. It works successfully but after I remove one hard disk. It works normally. It means that I plug in one hard disk for testing configure raid. But after that I put both hard disks and create other file. The raid is cleared. My question is: Why do I turn off server machine, it clears raid that I configure first time before I turn off? Could anyone help to solve this problem? Thank, Ung Sopolin

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• Unresponsive virtual OS

  - by confusedGeek

  Hopefully someone has a suggestion on how to resolve this. Configuration Host: Win 2003R2 w/Virtual Server 2005R2 Virtual1: Win 2003R2 w/Sql Server 2005 Virtual2: Win 2003R2 w/WSS 3.0 Situation This past weekend the power went out and took down the servers (no UPS, it's a desktop standing in as dev testing server). Since the servers went down the Virtual2 server after running WSS fairly heavily for an hour to two will become unresponsive via HTTP. If I login via virtual server's remote control I don't get anything beyond a background screen. The CPU counter on the virtual server's master status shows that it isn't doing anything. The only thing I have been able to do is to turn off Virtual2, which loses any state changes. Shutdown commands issue from the virtual server master status are ignored. After restarting Virtual2 the event logs and application logs don't indicate what caused the problem. Anyone have an idea as to how to repair the OS, or maybe what could be the problem? Thanks ahead of time.

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• How do i get Safari to ignore the SSL Certificate error?

  - by Tangopop

  In IE 6, 7, 8 and Firefox 3.6.3 and 3.0.5 i have installed a local SSL Certificate on the machine i am testing on and i have gotten the browser to igonre the SSL error (which is off one of my Web Test servers) Now i am tryin to do the same thing within safari 4 and with no luck. Basically i am running some automated scripts to test my website before they go live and i need to be able to ignore these errors as they will all run autonomosly. This is the error screen i am trying to avoid: http://library.bowdoin.edu/news/images/ezproxy-err/safari.jpg As i say i have installed the certificate locally and the IE 7 browser on the same machine works fine.

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• Virtualhost Wildcard Subdomains

  - by Khuram

  We have one static IP on which we have routed our company website. We have setup a local machine on windows with WAMP to run our testing server. We want virtual hosts to test our different apps. However, when creating subdomains, we have a new project which uses wildcard subdomains. How can we create the wildcard subdomains in VirtualHosts. We use, NameVirtualHost * <VirtualHost *> ServerAdmin admin@test DocumentRoot "E:/Wamp/www/corporate" ServerName companysite.com </VirtualHost> <VirtualHost *> ServerAdmin admin@test DocumentRoot "E:/Wamp/www/project" ServerName project.companysite.com </VirtualHost> <VirtualHost *> ServerAdmin admin@test DocumentRoot "E:/Wamp/www/project" ServerName *.project.companysite.com </VirtualHost> However, the last * wildcard does not work. Any help?

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• OS X clients ignoring Windows print server permissions

  - by Ilumiari

  I'm in the process of testing a Windows Server 2008 R2 print server for a mixed OS X/Windows environment. Any security permissions (AD groups) I set for the printers on the print server are not honoured by the OS X clients. Only if I remove absolutely all permissions for a given printer will an OS X client not print to that printer. The Windows clients honour the permissions as expected. The PrintService log doesn't record any activity when an unprivileged Windows client attempts to print, and records a typical print job when an unprivileged OS X client attempts to print. Has anyone encountered this problem before and have a fix? With 600-700 clients, a number of which are dual-booting, restricting by IP address is not viable. EDIT: The jobs are definitely going through the print server, they show up in the logs with their AD credentials.

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• PowerShell Remoting: No credentials are available in the security package

  - by TheSciz

  I'm trying to use the following script: $password = ConvertTo-SecureString "xxxx" -AsPlainText -Force $cred = New-Object System.Management.Automation.PSCredential("domain\Administrator", $password) $session = New-PSSession 192.168.xxx.xxx -Credential $cred Invoke-Command -Session $session -ScriptBlock { New-Cluster -Name "ClusterTest" -Node HOSTNAME } To remotely create a cluster (it's for testing purposes) on a Windows Server 2012 VM. I'm getting the following error: An error occurred while performing the operation. An error occurred while creating the cluster 'ClusterTest'. An error occurred creating cluster 'ClusterTest'. No credentials are available in the security package + CategoryInfo : NotSpecified: (:) [New-Cluster], ClusterCmdletException + FullyQualifiedErrorId : New-Cluster,Microsoft.FailoverClusters.PowerShell.NewClusterCommand All of my other remote commands (installing/making changes to DNS, DHCP, NPAS, GP, etc) work without an issue. Why is this one any different? The only difference is in the -ScriptBlock tag. Help!

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• Maximum MTU size

  - by user192702

  Thought one of the issues I'm experiencing with the following question is due to MTU rightfully so. ESXi 5 VM Putty session hangs, vSphere client timing out However, when I tried testing the maximum MTU size it seems there's just no limit. Thought Ethernet only allows maximum MTU. But I'm up to 54450. ping -l 54450 192.168.10.7 Pinging 192.168.50.7 with 54450 bytes of data: Reply from 192.168.10.7: bytes=54450 time=1081ms TTL=62 Reply from 192.168.10.7: bytes=54450 time=1079ms TTL=62 Reply from 192.168.10.7: bytes=54450 time=1079ms TTL=62 Reply from 192.168.10.7: bytes=54450 time=1079ms TTL=62 Ping statistics for 192.168.10.7: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 1079ms, Maximum = 1081ms, Average = 1079ms

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