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• Installing Ubuntu guest crashes Hyper-V host

  - by Grant

  I have a weird problem that I don't even know where to begin diagnosing. Trying to install Ubuntu to a VM locks up the host system! My setup is: Dell R715 server, dual 16 core AMD opteron processors, 96GB RAM Dell MD3600f SAN Server 2008 R2 Datacenter System Center VMM 2012 There are 5 windows virtual machines running that have had no problems. This is the first linux VM I've tried to create. I setup a VM through virtual machine manager, set the CD drive to a Ubuntu 12.04 server x64 iso, and started it up. It boots up the normal ubuntu install menu, but the second I hit enter on "Install Ubuntu Server", I get disconnected. The HOST machine stops responding to pings. So do all virtual machines on it. It locks up entirely - keyboard on the host won't work, mouse won't move, numlock light won't change. There's no blue screen - the host is sitting at the login screen completely unresponsive. I can't find any relevant logs in event viewer after rebooting. What could cause the host machine to freeze like that? It's not a one time occurrence - it happens every time at the exact same point. Thank god this server isn't in production yet!

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• Moving web files to /home/user/ gives permission denied using apache

  - by Maaz

  I recently created some linux users on my machine and their respective directories were created in the following manner /home/my_user so I decided to treat each user as one of my websites. I moved all my website files over to this directory like so /home/my_user/public_html/. I edited the virtual host in my httpd.conf and changed the root directory folder so this is how that looks <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot "/home/my_user/public_html" ServerName mywebsite.com ServerAlias www.mywebsite.com ErrorLog "/var/log/httpd/mywebsite/error_log" CustomLog "/var/log/httpd/mywebsite/access_log" common </VirtualHost> Now this virtual host configuration was working perfectly fine with my older document root path that was located at /var/www/html/mywebsite/public_html but after changing that to what it is right now, I am getting a permission denied error. But I followed the instructions here: http://stackoverflow.com/questions/14427808/you-dont-have-permission-error-in-apache-in-centos Even after following the above instructions, when I run the following command: sudo -u apache ls /home/my_user/public_html The server responds with ls: cannot open directory /home/my_user/public_html: Permission denied Even so, I do not get a permissions denied error when I try to access my site any more, however, now I am redirected to the default page of apache instead of my website. I am not exactly sure what's wrong any more, if anyone has an idea, it would be great if you guys could help out!

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• Trouble with Russian pc's on my wifi

  - by hogni89

  I have created a WiFi hotspot for the local community. The problem is, some Russian PC's (Windows XP, Windows Vista and Windows 7) can't get internet connection (We have a lot of bypassing russian fishing vessels / cargo ships). The pc's obtain a valid IP address, and some of them can even manage to send some few packages - But none of them are usable on the network. They all say "Limited internet access" or "???????????? ?????? ? ????????". The thing these PC's have in common is, that they all run a Russian installation of Windows. No one else has problems with the WiFi hotspot - Danish and English Windows, Linux and OS X all work like a charm. Can it be, that there is a difference between the danish / english windows installation, compared to the Russian installation? EDIT START They can't ping the router (One PC got one response - ONCE), they can't access any sites and Windows newer asks "Is this network public, home or work?". EDIT END PS: The hotspot is a airMAX rocket M from Ubiquiti Networks, Inc (www.ubnt.com)

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• Streaming music throughout the house on a budget?

  - by greggannicott

  I was wondering whether anyone knew of a way to stream music throughout a house on a budget? I want to avoid spending any money on this (eg. I don't want to buy a d-link style device). It would be ideal if I could use my existing hardware and some open source software. I have three old(ish) PCs knocking around. I'm happy to stick either Windows or Linux on them. They can all be hooked up to speakers. The ideal solution would result in: the same audio being heard from every device (eg. when you hear a beat on one device, you'd hear it at the exact same time on another (so you don't get any echo)) I'd be able to control the source application (eg. the songs lined up) with my iPhone. I realise I'm being cheeky with those two wishes - but you never know your luck. Am I asking for too much, or is there a piece of software/protocol out there with this purpose in mind? I've been searching for sometime now, but haven't had any joy. Thanks in advance.

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• Cisco ASA site-to-site vpn not initiating phase 1 (not sending udp 500 packets)

  - by Sean Steadman

  I am hoping someone here can help me with my problem. I am trying to setup an IPSEC site-to-site VPN between two cisco ASA 5520's in GNS3 (both using 8.4.2). I have been unsuccesful in getting the tunnel up and it appears neither ASA is sending packets out,in regards to phase 1 and phase 2 (tested by using wireshark and seeing NO udp 500 packets). Doing show ipsec sa and such shows nothing. CALIFORNIA(config)# show ipsec sa There are no ipsec sas FLA-ASA# show ipsec sa There are no ipsec sas I will attach both configurations in two different pastebin files as to keep this post a bit cleaner. Essentially California side has 172.20.1.0/24 and Florida side has 10.10.10.0/24. California ASA config: http://pastebin.com/v0pngYzF Florida ASA config: http://pastebin.com/E2geybta Please let me know if there is any other vital information that could help. I have gotten IPSEC tunnels to work using openSwan (linux) and cisco routers but cannot for the life of me get ASA IPSEC tunnels to work. The ASDM is out of the question I only use cli. Thanks for any useful help!

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• How to display/define Mirror/Stripping pairs with mdadm

  - by Chris

  I want to make a standard linux software Raid10 over 4 HDD. The server has 4HDDs, 2 pairs from different vendors in order to avoid batch problems. I want to have the mirror over two different Vendors, and then the Stripe over the mirror pairs. I could do that by manually creating Raid1/0, but mdadm supports Raid level 10. I just cant figure out how the Raid10 is then handled and how the data is distributed. mdadm --detail /dev/md10 /dev/md10: Version : 1.2 Creation Time : Wed May 28 11:06:23 2014 Raid Level : raid10 Array Size : 1953260544 (1862.77 GiB 2000.14 GB) Used Dev Size : 976630272 (931.39 GiB 1000.07 GB) Raid Devices : 4 Total Devices : 4 Persistence : Superblock is persistent Update Time : Wed May 28 11:06:23 2014 State : clean, resyncing (PENDING) Active Devices : 4 Working Devices : 4 Failed Devices : 0 Spare Devices : 0 Layout : near=2 Chunk Size : 512K Name : pdwhost:10 (local to host pdwhost) UUID : a3de0ad5:9e694ee1:addc6786:c4449e40 Events : 0 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 81 1 active sync /dev/sdf1 2 8 97 2 active sync /dev/sdg1 3 8 113 3 active sync /dev/sdh1 does not really give any information about that. How it should be: Raid 1 / Mirror over /dev/sda1 /dev/sdf1 and /dev/sdg1 /dev/sdh1 Raid 0 over the two Raid 1 pairs Is it possible to do that with the built in "level=10", how can I see what pairs are mirrored? Thanks a lot for you help

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• Completely unintuitive Apache/PHP memory-freeing behavior

  - by David

  Okay, this one's weird. I have a Turnkey Linux server with a gig of dedicated RAM. It's running WP3.2 with a boatload of plug-ins. It's a new site, so it has very limited traffic (other than search engines, maybe 20 hits a week). Now, for a few weeks, every few days, it would max out on main RAM, start eating up virtual RAM, and then crash. It's had this behavior for a while and I've been trying to figure out which element was causing the crash. Nine days ago, I pointed my external server monitor to this server. I wrote a 5-line HTML file (not PHP and not WP) that the server monitor accesses every minute, to see if the server is up. So, now, nine days later, the server has been rock solid, up all the time, no memory leak at all. I changed NOTHING on the server itself to see this behavior change. Have you EVER seen anything like this? All the server monitor is doing is retrieving a single, super-simple HTML file and all the memory leak problems have gone away. Weird, eh?

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• Application Virtualization

  - by Peter Versnee

  I have been looking for a solution to virtualize my desktop application as a SaaS. After picking Citrix XenApp as the best solution for my case and trying for ever to get it to work (with some more experienced people) I can't help but to conclude that Citrix has too much problems for my case. Every time I fix one thing some other thing pops up. As I can't imagine Citrix XenApp is the only way to deliver my application to my clients, I'd like to ask you experienced guys if you think there is an other way to deliver it whilst meeting my requirements. I've got no money issues - time on the other hand... My requirements: My application must run on a windows server; The application should be virtualized with the application window only (no desktop); Content Redirection (my application is the only one virtualized, so PDF, DOC(X) etc. is on the users' system); Easy user management; SSO;* Cross platform (Windows, Linux, Mac OSX).* I truly hope I don't annoy you with another of the same question. I've tried to find the same question here and - obviously - didn't found it. *) these I can live without, however very much appreciated

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• How to get data out of a Maxtor Shared Storage II that fails to boot?

  - by Jonik

  I've got a Maxtor Shared Storage II (RAID1 mode) which has developed some hardware failure, apparently: it fails to boot properly and is unreachable via network. When powering it on, it keeps making clunking/chirping disk noise and then sort of resets itself (with a flash of orange light in the usually-green LEDs); it then repeats this as if stuck in a loop. In fact, even the power button does nothing now – the only way I can affect the device at all is to plug in or pull out the power cord! (To be clear, I've come to regard this piece of garbage (which cost about 460 €) as my worst tech purchase ever. Even before this failure I had encountered many annoyances about the drive: 1) the software to manage it is rather crappy; 2) it is way noisier that what this type of device should be; 3) when your Mac comes out of sleep, Maxtor's "EasyManage" cannot re-mount the drive automatically.) Anyway, the question at hand is how to get my data out of it? As a very concrete first step, is there a way to open this thing without breaking the plastic casing into pieces? It is far from obvious to me how to get beyond this stage; it opens a little from one end but not from the other. If I somehow got the disks out, I could try mounting the disk(s) on one of the Macs or Linux boxes I have available (although I don't know yet if I'd need some adapters for that). (NB: for the purposes of this question, never mind any warranty or replacement issues – that's secondary to recovering the data.)

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• Firefox takes a really long time to load some sites on Ubuntu

  - by Dave

  Hello guys, I have an issue here. Some sites - just a few - takes a really long time to load on Firefox. One example is A List Apart (http://www.alistapart.com/) which takes more than 30 minutes (yes, minutes, not seconds). On Opera, ou even through a telnet session, the problematic sites run without problem, fast as expected. I am using Linux 8.04, running Firefox 3.6.3 downloaded from mozilla site, with a 10M ADSL connection. I tried many tweaks I found googling, like disable IPv6, and change http pipelining settings on FF's about:config. None worked. I also used Firebug to find what phase during negotiation is the bottleneck. Findings are in the screenshot. Well guys, any idea what is the issue? And how to solve it? I repeat, this only happens with firefox (3.6.3 and prior versions), for a few sites only (even sites with much more requests, images, javascripts, stylesheets work fine), and http pipelines and IPv6 tweaks on about:config didn't work. Thanks

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• Webcam security camera software that runs as a service

  - by hurfdurf

  I've been looking for Windows webcam software that will run as a Windows service without any user login. The goal is to use the webcam as a cheap security camera and log the results to secure networked storage (windows share, not FTP). The requirements are: Motion detection Video capture Runs as a service (should start recording immediately after reboot) Nice to have: Round-robin storage, e.g. 10Gb limit, oldest files overwritten/deleted when space gets low I've read the other webcam questions but still haven't stumbled across anything suitable. Evaluations thus far: Title MotionDetect Service Snapshots Video SpaceLimit License Yawcam Yes Yes Yes No No GPL WebCam ZoneTrigger Yes No Yes Yes No Commercial Dorgem Yes No Yes Yes No GPL AbelCam Yes No Yes Yes No Commercial Logitech Yes No Yes Yes No Paired with camera IspyConnect Yes No Yes Yes Yes Free SecureCam (SourcefoYes No Yes Yes No GPL AbelCam Yes No Yes Yes No Commercial Active WebCam Yes Yes(?) Yes Yes Volume Free Commercial WebCam Surveyor Yes No Yes Yes No Commercial WebCamsPy NA NA NA NA NA GPL Camera: Logitech Webcam Pro 9000 Windows 7 32-bit WebCamsPy failed to initialize so couldn't be tested So far, the contenders: Active Webcam comes the closest, and claims to run as a service, but i haven't been able to get it to record after a cold boot even though a service is running. Yawcam can be set up as a service but doesn't record video. IspyConnect has exactly the type of space limit I want and looks great, but doesn't run as a service (seems also to be a bit of a cpu hog) Any other suggestions? I'm locked into Windows so can't use linux Motion, which looks almost perfect. Any pointers to rich Windows webcam/motion detection libraries out there that could easily be turned into a command line program would also be appreciated.

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• Disappeared graphics card

  - by lenovo user

  I have a Lenovo T520 with two graphics cards, an nVidia quadro and an intel graphics card. I'm running a Ubuntu and Windows 7 dual boot. I can no longer find any trace of my intel graphics card. In my linux boot: > lspci | grep VGA > 01:00.0 VGA compatible controller: nVidia Corporation GF106 [Quadro 2000M] (rev a1) In Windows in control panel display- advanced settings, I only see the NVIDIA Quadro 2000M. In the BIOS there is no mention of the intel graphics card, no where I can find to try and turn it on or off. I thought I was going crazy, but then I found a post I made on ask ubuntu I made 3 months ago where I listed the output of lspci on this same machine: lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation GF106 [Quadro 2000M] (rev a1) What is going on? How could my intel graphics card have been disabled or turned off somehow without my knowledge? I've been in the BIOS 3 times now, each time convinced the last time I must have missed something, but I always find nothing. Am I missing something there? Could a thief have opened my computer and stolen my graphics card?

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• Apache returns HTTP 206 for GET /file.mp3

  - by javano

  I am making a get request to an SSL enabled site on apache (so wireshark isn't giving me anything to useful). In my Apache SSL access log I see the following entry: 1.2.3.4 - my.username [15/Nov/2012:16:52:01 +0000] "GET /uploads/file.mp3 HTTP/1.1" 206 534400 "https://site.com/uploads/layla.mp3" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Ubuntu/12.04 Chromium/18.0.1025.168 Chrome/18.0.1025.168 Safari/535.19" Why is this happening? I'm not familiar with the HTTP 206 response code but searching the Internet I can see it is a partial content GET requests. I understand correctly, my browser is making a partial GET request not for the full file. Is that correct? If so, is this a browser issue or is the web server instructing my browser to do so? I have tested in Firefox also and in both browser, I am not sent the file. If I rename the file to file.jpg I can download it through my browser and rename it to .mp3 and it plays. How can I troubleshoot this issue?

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• Persistent PuTTY sessions for multiple windows

  - by Tgr

  I'm working in various Linux environments through PuTTY connections which break from time to time. I'm looking for a solution to make the PuTTY windows persist (e.g. if I was editing a file, then after reconnecting I should be in the same editor with the same file open at the same place), with the following requirements: it shouldn't require any manual setup at the beginning of the session or after reconnection (I don't want to type in screen or anything like that) I have several windows open to the same machine with the same user, which tend to disconnect at the same time the number/role of windows is not constant (it's not like I have an mc window, a mysql window and a "script runner" window; sometimes I use one window for search or for SVN commands, other times I need several at the same time) sometimes I need to change the properties of the windows for a task (large window for grepping/editing, small windows because I need to see two of them at the same time, red background because I am modifying the live database in MySQL etc), so I need to get the same console back in the same window after a reconnect Is there a way to achieve this? I suppose I should use screen or something equivalent, but how does it know which window I am reconnecting from? Is there some way to pass a unique window identifier to the shell from PuTTY?

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• How to download large files when the download size is restricted ?

  - by Rahul

  ? In my office, the network admin has restricted the download limit to a size of 1.8MB for any file. This is for sub ordinates accounts only. But for my manager's PC, there are no restrictions. Is there any way to download files from my PC by using my managers' ip address. I just tried using his ip on my pc but, had the same problem. ? Earlier I was given access to our Linux server from my pc using putty. Then I used to download large files on to the server and then transfer from server to my machine using fire ftp. This transfer worked perfectly fine. But, now I don't have any access to the server. So can I be able to download large files using fire ftp from my own PC ? I'm using Windows XP machine. Please suggest a solution by any possible combination. Thanks.

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• No sound Ubuntu 10.10 (have SB Live! card)

  - by Chris Frazier

  I am new to Linux/Ubuntu and I just installed 10.10 on my Dell Desktop PC that was running Windows XP. The PC is about 5-6 years old and the sound card it has is a SoundBlaster Live! card. The Sound Preferences recognizes the card as [SB Live! Value] EMU10k1X. It is currently set to Analog Stereo Duplex. I tried multiple other sound configurations and nothing works. No sound but some clicks come out of the speakers. I ran the system test and during the audio tests the same thing happened, just clicks and pops. I tried to play some music with Rhythmbox and when it tries to play a track it tries for several seconds and then just closes itself, or sometimes just doesn't play. I ran a check for drivers, but the only driver it found to install was for my nVidia video card. It did not show any drivers for the sound card. Does anyone have any idea what I need to do to get the sound to work?

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• Transcoding media server streaming to the iPhone

  - by pilif

  I have a huge collection of videos in different formats, but with one thing in common: They are not playable on an iPhone (or iPod Touch). Instead of complaining about Apple's IMHO broken world view ("there are no video formats but quicktime and mp4"), I wonder if there's a solution out there that allows streaming these different videos to the iPhone. This means that the source media needs to be transcoded on the fly. I already tried a few solutions out there, but with varying success: PS3 Media Server kind of worked, but only once and only for one single file. TVersity is said to work, but it requires UAC to be disabled and I don't see any need for this. The solution I'm looking for should run on Windows 2008 Server or Linux. I just can't believe that there's nothing out there that would allow me to stream my huge video collection on my iPhone (we're talking Wifi here, not 3G). After looking at the answers provided and after retrying TVersity without much success, I gave Orb another try and while the web interface failed to work for me, the iPhone Application (I tried the free one at first) actually worked flawlessly. And not only that, it also manages to convert the streams on-the-fly, so you don't have to wait for the transcoding process to finish before playback starts. On my 2.26 Ghz MacMini Server, this worked even with 1080p material. For Windows 2008 Server users out there: Remember to install the Desktop Experience Feature in the Server Manager if you intend this to work. Of all the stuff I had a look at, this really provided instant-success - even though I'm now probably sending the contents of my harddrive to orb's central server (sigh)

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• yum fails installing php53-devel.x86_64

  - by coding_hero

  I need to recompile php on a Fedora server because I need to use the --enable-zip flag. When trying to install the devel package, I get the following message. This is after a 'yum clean all': yum install php53-devel.x86_64 Loaded plugins: rhnplugin, security rhel-x86_64-server-5 | 1.4 kB 00:00 rhel-x86_64-server-5/primary | 4.9 MB 00:00 rhel-x86_64-server-5 14161/14161 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package php53-devel.x86_64 0:5.3.3-13.el5_8 set to be updated --> Processing Dependency: php53 = 5.3.3-13.el5_8 for package: php53-devel --> Finished Dependency Resolution php53-devel-5.3.3-13.el5_8.x86_64 from rhel-x86_64-server-5 has depsolving problems --> Missing Dependency: php53 = 5.3.3-13.el5_8 is needed by package php53-devel-5.3.3-13.el5_8.x86_64 (rhel-x86_64-server-5) Error: Missing Dependency: php53 = 5.3.3-13.el5_8 is needed by package php53-devel-5.3.3-13.el5_8.x86_64 (rhel-x86_64-server-5) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest Output of 'yum repolist': # yum repolist Loaded plugins: rhnplugin, security repo id repo name status rhel-x86_64-server-5 Red Hat Enterprise Linux (v. 5 for 64-bit x86_64) enabled: 14,161 repolist: 14,161

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• Changing the prompt in telnet

  - by wim

  With some help from people on here, I was able to set a custom prompt in an ssh session (thanks!). Now I need to do the same in telnet, but I'm not sure of what syntax I could use for that. Basically the telnet prompt is just a > character, I need to modify it to something I can more reliably detect in automation jobs. Hope this makes sense. From inside telnet, trying to escape that command with a bang like !PS1=spam and !PS2=eggs did not change it. wim@wim-acer:~$ ssh [email protected] -i ~/.ssh/guest_nopassphrase -t "export PS1='Sending a custom prompt \w \$ '; exec sh" Sending a custom prompt ~ $ set HOME='/var/tmp' IFS=' ' LOGNAME='guest' PATH='/sbin:/usr/sbin:/bin:/usr/bin' PPID='1128' PS1='Sending a custom prompt \w $ ' PS2='> ' PS4='+ ' PWD='' SHELL='/bin/sh' TERM='xterm' USER='guest' Sending a custom prompt ~ $ telnet localhost <snip> Entering character mode Escape character is '^]'. > !set CONSOLE='/dev/ttyp0' HOME='/var/tmp' IFS=' ' LOGNAME='root' PATH='/sbin:/bin:/usr/sbin:/usr/bin' PPID='546' PREVLEVEL='N' PS1='\w \$ ' PS2='> ' PS4='+ ' PWD='/var/tmp' RESPAWN_COUNT='1' RESPAWN_LAST='0' RESPAWN_MAX='5' RESPAWN_TIME='5' ROOTDEV='/dev/sla1' RUNLEVEL='5' SHELL='/bin/false' TERM='linux' USER='root' > > Connection closed by foreign host Sending a custom prompt ~ $ Connection to 192.168.1.124 closed. wim@wim-acer:~$

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• How to migrate WinXP from failing old HD to new one

  - by Péter Török

  Following this issue, we have all our important data backed up now. I also bought and installed a new replacement hard disk (WD 160GB PATA) as secondary (slave) drive. I created two primary NTFS partitions on it: a 40 GB system partition, and a 110GB data partition. In theory I could start reinstalling WinXP from scratch on the new system partition, then copying over all user data from the old drive to the new data partition. Once this is done, I could even throw away the old drive, or keep it just to see what happens. (Note: I don't want to clone the whole drive as it contains a dual boot setup with an old Linux installation which I don't need anymore, and anyway, a fresh reinstall would do WinXP good to get rid of many years' clutter.) However, I am lazy :-) The old HD is still functioning, the problem has not manifested again since. So I feel there is no need to hurry with a complete OS reinstall. What I don't know though is whether I will be able to install WinXP on the new system partition at a later stage without affecting the contents of the data partition on the same drive. If this is possible, I can just move over all our data to the new data partition to have it safe, then continue running WinXP from the old drive as long as it works. Does anyone see any problems/risks with this plan?

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• How to access XAMPP virtual hosts from iPad on local network?

  - by martin's

  Using XAMPP on one machine. Multiple virtual hosts defined. One per project. Format is .local For example: apple.local microsoft.local client-site.local our-own-internal-site.local All works perfectly from that one machine. I now want to have other systems within the network access the various sites. The main reason for wanting to do this is to be able to test site functionality and layout from mobile devices without having to upload partial work to public servers. I can access the main XAMPP default site by simply entering the IP address of the XAMPP machine in, say, Safari on an iPad. However, there is no way to reach .local that I can see. Would this entail setting up a DNS server within the network? We have a mixture of Windows and Mac machines. No Linux. The XAMPP machine is Vista 64. I don't want real external internet access to be affected in any way, just ".local" pointed to the XAMPP machine if that makes sense.

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• Use external display from boot on Samsung laptop

  - by OhMrBigshot

  I have a Samsung RV511 laptop, and recently my screen broke. I connected an external screen and it works fine, but only after Windows starts. I want to be able to use the external screen right from boot, in order to set the BIOS to boot from DVD, and to then install a different OS and also format the hard drive. Right now I can only use the screen when Windows loads. What I've tried: I've tried opening up the laptop and disconnecting the display to make it only find the external and use the VGA as default -- didn't work. I've tried using the Fn+key combo in BIOS to connect external display - nothing I've been looking around for ways to change boot sequence without entering BIOS, but it doesn't look like it's possible. Possible solutions? A way to change boot sequence without entering BIOS? Someone with the same brand/similar model to help me blindly keystroke the correct arrows/F5/F6 buttons while in BIOS mode to change boot sequence? A way to force the external display to work from boot, through modifying the internal connections (I have no problem taking the laptop apart if needed, please no soldering though), through BIOS or program? Also, if I change boot sequence without accessing external screen, would the Ubuntu 12.1 installation sequence attempt to use the external screen or would I only be able to use it after Linux is installed and running? I'd really appreciate help, I can't afford to fix the screen for a few months from now, and I'd really like to make my computer come back to decent performance! Thanks in advance!

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• Internet setup for my office

  - by prakash

  We have two internet connections to our office and our current setup is like this.. The internet connections require pppoe log in so i take each cable and plug it into a wifi router and configure the router to log in to the pppoe and then plug in a cable from the router to a switch and distribute the internet throughout my office. The problem with this setup is it is really hard to monitor and im not able to monitor who is hogging internet usage and what he or she is actually using it for. apart from this we also have a nas setup which is routed through another switch . Could someone please throw a little light on how i can restructure this setup for easy monitoring and better transparency... ? each wan router is connected to a different switch and is distributed to users accordingly.. we have around 40 users in the office.. we want to setup a single linux box to which i want to connect the two wan connections and from there distribute it to all our users.... im looking for a solution where we do not have to invest more that buying a single pc and a couple of nics

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• Thunderbird: export email account settings

  - by zpea

  I'd like to create a new profile for Thunderbird using the same mail accounts I already configured in my old profile. As it is quite a number of accounts, it would be great to have a way to export/import them instead of writing down the settings just to fill in again in the new profile. Using web search and search here I mainly found following suggestions that do not match what I need: Copy the whole profile: Not possible for me as I don't want to copy other settings, the downloaded mail data etc. and the old profile broke when running out of space in the home folder anyway. Use mozBackup: There seem to be several programs by that name (forks?). In any case, it's Windows-only and hence no option (I am mostly on Linux and prefer platform-independent solutions anyway) Use accountex: Seems to do what I want, but it is not compatible with current Thunderbird version (supports only up to version 3.1) Posts with various tips from 4 years ago: Top results in the web search with the G. But they do not work in current versions of Thunderbird either. Did I overlook anything? After all, it doesn't sound like I was looking for something nobody ever looked for.

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• Computing Number of Bits in Public Key

  - by eb80

  I am working with DKIM and trying to compute the public key size of some DKIM signatures. I know from tools that Gmail's is now 2048, but how could I have figured this out myself (i.e., what exact Linux commands and why)? user@host$ dig txt 20120113._domainkey.gmail.com ; <<>> DiG 9.8.3-P1 <<>> txt 20120113._domainkey.gmail.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52228 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;20120113._domainkey.gmail.com. IN TXT ;; ANSWER SECTION: 20120113._domainkey.gmail.com. 300 IN TXT "k=rsa\; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1Kd87/UeJjenpabgbFwh+eBCsSTrqmwIYYvywlbhbqoo2DymndFkbjOVIPIldNs/m40KF+yzMn1skyoxcTUGCQs8g3FgD2Ap3ZB5DekAo5wMmk4wimDO+U8QzI3SD0" "7y2+07wlNWwIt8svnxgdxGkVbbhzY8i+RQ9DpSVpPbF7ykQxtKXkv/ahW3KjViiAH+ghvvIhkx4xYSIc9oSwVmAl5OctMEeWUwg8Istjqz8BZeTWbf41fbNhte7Y+YqZOwq1Sd0DbvYAD9NOZK9vlfuac0598HY+vtSBczUiKERHv1yRbcaQtZFh5wtiRrN04BLUTD21MycBX5jYchHjPY/wIDAQAB" ;; Query time: 262 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Mon Nov 19 10:52:06 2012 ;; MSG SIZE rcvd: 462

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