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  • How can I load one image over network to multiple computers on boot?

    - by user754730
    A few years ago I saw this in a company but I don't know how it was built. There was 1 Computer (I don't know if Windows Server or plain Windows 7 - the server) and 3 other computers (Windows 7 - the clients). As soon as the Windows 7 clients were started, they all started up the same image (Don't know if the same image file or just the same state) over network and were able to work on the computer. As soon as the machine was shutdown, all the changes made to the system were erased. How could I build a system like this so I have 1 image file which I keep up to date and then feed it to the other machines in my network? It would look this this basically:

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  • How to concatenate all commit messages from subversion into one text file with no metadata?

    - by user144182
    I would like to take all the commit messages in my subversion log and just concatenate them into one text file. Each commit message has this format: - r1 message - r1 message - r1 message What I would like is something like: - r1 message - r1 message - r2 message - r2 message - r3 message [...] - r1000 message Update I thought the above was clear, but what I don't want in the log is this type of info: r2130 | user| 2010-03-19 10:36:13 -0400 (Fri, 19 Mar 2010) | 1 line No meta data, I simply want the commit messages.

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  • Nginx Server Block Not Working? - Already running other vhosts just this one not working

    - by daveaspinall
    Im running a Debian 6 LEMP server with multiple virtual hosts and everything has been fine for 5 or so sites. But I've just tried adding another but for some reason it's just not working. By not working I mean in Chrome I get the "Oops! Google Chrome could not connect to subdomain.domain.net" error. I've changed the domain for security to subdomain.example.com and the IP is masked. Hosts file (I have multiple sub domains): xxx.xxx.xx.xxx *.example.com *.example Server Block: server { listen 80; server_name subdomain.example.com; access_log /srv/www/subdomain.example.com/logs/access.log; error_log /srv/www/subdomain.example.com/logs/error.log; root /srv/www/subdomain.example.com/public_html; location / { index index.html index.htm index.php; } location ~ \.php$ { include fastcgi_params; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; } } I've created the system link to the file in the /etc/nginx/sites-enabled/ directory and restarted/reloaded nginx. DNS seems fine: # ping -c 2 subdomain PING subdomain.example.com (xxx.xxx.xx.xxx) 56(84) bytes of data. 64 bytes from www.example.com (xxx.xxx.xx.xxx): icmp_req=1 ttl=64 time=0.035 ms 64 bytes from www.example.com (xxx.xxx.xx.xxx): icmp_req=2 ttl=64 time=0.048 ms Checking the file with cURL works: # curl http://subdomain.example.com HTML - OK Emptied browser cache but still no dice. Anything I'm missing? Like I mentioned, I have a few sites running fine on the server currently so php-fpm etc etc are working. Any help would be much appreciated! Cheers, Dave

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  • How to change color of a cell in one sheet if its value increases or decreases from another cell value in a different sheet

    - by Sean Coffey
    I am putting together a workbook with 52 sheets for the weeks in the year. In this workbook there are multiple columns for percentages on each sheet. I want to be able to change the color of each cell based on whethernit increases (green) or decreases (red) from the same cell in the previous sheet. I have the formula i.e. =IF(ISERROR(B4/D4),"0", B4/D4) to calculate my percentages but I don't know how to put the reference in for this change. Any help?

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  • Can I make this two LINQ queries into one query only?

    - by Holli
    From a List of builtAgents I need all items with OptimPriority == 1 and only 5 items with OptimPriority == 0. I do this with two seperate queries but I wonder if I could make this with only one query. IEnumerable<Agent> priorityAgents = from pri in builtAgents where pri.OptimPriority == 1 select pri; IEnumerable<Agent> otherAgents = (from oth in builtAgents where oth.OptimPriority == 0 select oth).Take(5);

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  • Why would one use REST instead of Web services?

    - by AngryHacker
    Attended an interesting demo on REST today, however, I couldn't think of a single reason (nor was one presented) why REST is in anyway better or simpler to use and implement than a Web Services stack. What are some of the reasons Why anyone in the "real world" use REST instead of the Web Services?

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  • Can IBM IHS server support more than one Websphere Application Server plug-in location?

    - by Spike Williams
    We want http://webserver.com/foo to point to an instance of WAS 6.0, and http://webserver.com/foo2 to point to an instance of WAS 7.0, running on the same server, but with different port numbers. This is a temporary thing, as we need to have both servers running as we transition our applications from running on 6.0 to 7.0. The webserver is IBMIHS (an Apache variant), and it needs to use the WebSphere plugin to connect to the WAS servers. Will this work? Any drawbacks?

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  • Can I use one virtualbox disk for multiple machines?

    - by mxp
    I'm not sure what search term to use and skimming through the VirtualBox manual didn't help me either, so I ask my two questions here... My setup is this: PC with dual boot into Windows 7 and a Debian operating system (both 64bit). I've created a virtual machine (Kubuntu, 64bit) under Windows and put it's VDI file on a SMB share of my NAS. Then I created a VM under linux using the same settings for memory etc and assigned the existing VDI file to it. My idea was that I could use that virtual machine from Windows and Linux as well. (1) Is this generally something that should work without problems? I noticed that snapshots get me into trouble because they appear to be not visible from the other operating system: The snapshots I took after installing the guest system are not visible under Linux. That's why I shut down the VM after usage and not save its state while it's running. My current problem is this: I have used the VM under Windows first, then under Linux. Now it will only start on Linux. When trying this on Windows the guest OS detects some kind of hard disk error and fails to boot because it cannot mount its drive. Obviously the virtual hard disk won't fail so it must have something to do with me using it under Linux. (2) How can I fix that? Update: It also looks like any changes I made in the VM under Linux have been reset by trying to boot it under Windows. Looks like it's back to the latest snapshot. I'm confused... Update The answer to my first question can be found below. In short: It works, as long as you don't use snapshots. The answer to my second question is this: Under Windows set the VM back to the latest snapshot and then discard the snapshot so it gets merged. There should be no snapshots left at the end. If you have multiple snapshots, discard the earliest ones first (Snapshot 1, then 2, 3, ...). I'm not sure what happens if you start at the end (.., 3, 2, 1). This of course leads to some data loss since you revert all changes since the last snapshot. But at least the VM is usable again.

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  • Browsing is much slower on one PC wired to the same router - why?

    - by deanalt
    Wife is not happy. It takes about 5 seconds to open a google window, versus about 1 second on the faster computer which is about 3 years old itself. Yes, it is an older computer (5 -6 years old, I'd guess), surely with less RAM, but for simple browsing, should it matter? Both are hardwired to the same Netgear Rangemax router. Both use fixed IP addresses. Both are XP. Both have about 8 feet of cable to the router. I have the fastest service my cable provides. Probably irrelevant but ...two newer MACs are connected wirelessely during the summer and they are even faster, but I think that's the difference in browsers. If you could point me to a list of process of elimination steps that would be most appreciated. Thanks Dean

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  • Why is only one Excel spreadsheet crippled, but others are fine?

    - by Dallas
    I have an inherited spreadsheet that I really don't want to rebuild at the moment. It's a simple small workbook that is small (< 200 rows that don't even reach to AA) and does nothing more than calculate some totals within the same worksheets. No macros, no external data sources, nothing beyond basic formatting of dates, numbers and strings. I see importing data from CSV/text has created many many workbook connections over time, but even if I delete them all (there were hundreds) it makes no difference in performance. Even clicking to simply change focus from cell to cell takes 10+ seconds, adorned by the spinning cursor and (Not Responding) appending to the title bar and the application locking up. The program seems to "recover" every time, but efficiency of editing this file is obviously seriously handicapped. All other files seem fine in Excel, and other programs have no apparent performance issues. I see Excel is chewing up CPU but I'm not sure how to narrow down what process or service is "clashing" with Excel. I tried the same file on other computers and performance is fine. If I turn off all start-up services and run only Excel, performance is restored... until I start using other programs and then it bogs down again. At this point, I would entertain almost any idea, theory or suggestion that helps pinpoint, solve or work around the issue.

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  • Two DHCP Servers, Block Clients for one of them?

    - by Rilindo
    I am building out a kickstart network that resides on a different VLAN uses its own DHCP server. For some reason, my kickstart clients kept getting assign IPs from my primary DHCP server. The way I have it set up is that I have a primary DHCP server on this router here: 192.168.15.1 Connected to that DHCP server is a switch with the IP of 192.168.15.2. My kickstart (Scientific Linux) server is connected to that switch on two ports: Port 2 - where the kickstart server communicates to the rest of the production network via eth0. The IP assigned to the server on that interface is 192.168.15.100 (on eth0). The details are: Interface: eth0 IP: 192.168.15.100 Netmask: 255.255.255.0 Gateway: 192.168.15.1 Port 7 - has it's own VLAN ID (along with port 8). The kickstart server is connected to that port with the IP of 172.16.15.100 (on eth1). Again, the details are: Interface: eth1 IP: 172.16.15.100 Netmask: 255.255.255.0 Gateway: none The kickstart server runs its own DHCP server and assigns them over the eth1. Most of the kick starts are built over the kickstart VLAN through port 8. To prevent the kickstart DHCP server from assigning addresses over the production network, I have the route setup like so: route add -host 255.255.255.255 dev eth1 At this point, the clients kept getting assign IPs from the 192.168.15.1 DHCP server. I need to figure out a way to block client requests from reaching that DHCP. Its should be noted that but I also build KVM hosts on the kickstart server as well, so I need those KVMs to have the ability to get DHCP requests from the 192.168.15.1 DHCP server via the bridge network once I finish resolved this particular problem. (Currently, they communicate via NAT). So what would be done to resolve this? Through iptables or some sort of routing I need to put in? I tried to limited to requests via IPtables on that interface, allowing DHCP requests for 172.16.15.x network: -A INPUT -i eth1 -s 172.16.15.0/24 -p udp -m udp --dport 69 -j ACCEPT -A INPUT -i eth1 -s 172.16.15.0/24 -p tcp -m tcp --dport 69 -j ACCEPT -A INPUT -i eth1 -s 172.16.15.0/24 -p udp -m udp --dport 68 -j ACCEPT -A INPUT -i eth1 -s 172.16.15.0/24 -p tcp -m tcp --dport 68 -j ACCEPT -A INPUT -i eth1 -s 172.16.15.0/24 -p udp -m udp --dport 67 -j ACCEPT -A INPUT -i eth1 -s 172.16.15.0/24 -p tcp -m tcp --dport 67 -j ACCEPT And rejects assignments on eth1 from 192.168.15.x network: -A FORWARD -o eth1 -s 192.168.15.0/24 -p udp -m udp --dport 69 -j REJECT -A FORWARD -o eth1 -s 192.168.15.0/24 -p tcp -m tcp --dport 69 -j REJECT -A FORWARD -o eth1 -s 192.168.15.0/24 -p udp -m udp --dport 68 -j REJECT -A FORWARD -o eth1 -s 192.168.15.0/24 -p tcp -m tcp --dport 68 -j REJECT -A FORWARD -o eth1 -s 192.168.15.0/24 -p udp -m udp --dport 67 -j REJECT -A FORWARD -o eth1 -s 192.168.15.0/24 -p tcp -m tcp --dport 67 -j REJECT Nope. :(

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  • Service or software to auto-sync one server to another so they are identical?

    - by Ryan
    We have a main node in a DC data center and want to setup a back-up node in Seattle. The back-up node will only be used if the DC node goes down and we switch it over while DC node is repaired. The question is, what kind of services out there allow me to sync the data, I suppose we want to do it fairly frequently so if something goes down there isn't much loss in data between the time of failure and the last back-up/sync. Is there any common solution for this? It's Windows Server 2003 running Parallels Virtuozzo.

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  • Excel: How do I copy hyperlink address from one column of text to another column with different text?

    - by OfficeLackey
    I have a spreadsheet where column A displays names in a certain format. There are 200-odd names and each has a different hyperlink (which links to that person's web page). I want to reformat the name order so it is "Surname, Name" rather than "Name Surname" and retain the hyperlink in the newly formatted column. I have achieved "Surname, Name" easily by splitting the names into two columns (using LEFT and RIGHT formulae) - forename and surname - then I have a new column with a formula to return "Surname, Name." However, the hyperlinks are not in that new column and I need them. I don't want to do this manually, for obvious reasons. I cannot find a way of copying just hyperlinks from column A without copying the text from column A. So, effectively, what I need is some sort of macro to take, for example, the hyperlink from A2 and copy it to H2, with H2 still retaining the updated ordering of name. I don't have the knowledge to write this myself, so would appreciate solutions.

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  • Could I replace a stock PSU fan with a more quiet one?

    - by GaryJL
    I have a cheap 450W PSU with an exhaust fan at the rear. This fan, however, is very loud. Is it a good idea to replace the stock PSU fan with a quiet fan with similar airflow? The PSU fan is hard-wired to the PCB in the PSU so I was intending on snipping the stock fan wires and sealing the loose ends with electrical tape. I would then connect the new quiet fan to the PWR_FAN socket on the motherboard. Has anyone done this before themselves? Is it a good idea in the first place? Considering if my PSU fails, it could take out a couple of other components too.

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