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  • Using the Juniper EX3300 Switch as a router?

    - by Richard Whitman
    I have a Juniper EX3300 switch in a data center. And I have connected one of the uplink ports (ge-0/1/0) to my ISP's router. I want to configure it so that all the devices connected to ports in the same VLAN as ge-0/1/0 can access the Internet. I have done some research, and I haven't gotten anywhere really. I have configured the interface as follows: ge-0/1/0 { ether-options { no-auto-negotiation; link-mode full-duplex; speed { 1g; } } unit 0 { family inet { address xx.xx.xx.xx/32; } } } where xx.xx.xx.xx is the "Customer Router Port IP" assigned by my ISP. When I try to commit, I get the following error: Interface ge-0/1/0.0 not enabled for switching Can some one tell me what is the right way to configure it?

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  • cpanel api fileman alternative

    - by Coombesy
    trying to remotely unpack a zip file, then move the contents on cpanel servers. Some research led me to xmlApi class and the fileman module. And here my problem lies as Fileman module is returning html based on the cpanel theme (which we won't know) - and all I need is a list of files. here is the code flow: * using ftp, the zip is uploaded * using Fileman module unpack zip * loop through unpacked files and move here is my call to list the files: $files_html = $xml->api1_query($user, "Fileman", "listfiles", array( "{$ftp_dir}", //source dir 0 //chooser )); and it is returning the html for the filemanager - which is going to be different based on the cpanel theme. Surely their has to be another way to simply just list the files in that directory? any help would be appreciated, been researching this for past day and can't find solution anywhere. cheers ;)

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  • Linux Mint 13 64bit Cinnamon and Oracle Virtualbox: 3d acceleration crash

    - by Stephen Swensen
    I've recently got an interest in Linux. After some research, it looks like Linux Mint 13 cinnamon is hot and I thought I'd try it out... I'm running Windows 7 64bit and have experience with Oracle Virtual Box. So I thought it would be a good idea to try out Linux Mint inside Virtual Box. I download Linux Mint 13 64bit Cinnamon and set it up in my VM player... Nothing special about my settings. Except Linux Mint 13 Cinnamon requires 3d acceleration, and when I enable that, it crashes whenever I open the Menu in the bottom left corner of the guest OS (and some other times too)... I've seen other mentions of this problem on the web, but no solutions. Is there a solution? If not, any suggestions short of installing the OS on a partition for trying out this OS (I'm not interested in the LIve mode either - I'd really like to get the full feel for it)?

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  • Does the Win XP/7 dual boot "missing restore points" problem apply to systems with separate hard disks for each O/S?

    - by Robert Oschler
    I'm in the process of installing Windows 7/64 on a system with Windows XP/32 on it. During my research, I read about a problem that occurs in the dual boot scenario where Windows XP deletes Windows 7's restore points when it accesses the Windows 7 volume: http://support.microsoft.com/kb/926185 I found a workaround but it seems pretty painful since it appears to involve using the registry to make the Windows 7 volume appear invisible or "offline" to Windows XP, making sharing disk data between the two O/S annoying since you have to use something like an external storage device to get it done: http://www.vistax64.com/tutorials/127417-system-restore-points-stop-xp-dual-boot-delete.html I was wondering if this problem only occurs with systems that have both O/S installed on the same physical hard drive (in different partitions)? In my case, I will have each O/S on a completely separate physical hard drive. Any other tips would be appreciated. -- roschler

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  • Microsoft Excel 2010 How to reference a table to another sheet

    - by Shiro
    I am using Excel 2010. I got a sheet name "March" I would like to duplicate it (with reference / link) to another sheet called "Summary" which included January, Feb, and March. In the summary tab I would add another column called "Month" and will duplicate the value "March" or their tab month. I did some research on it, they said copy and paste special with link, but I can't find it. I need to reference the whole table, just in case any change add / remove the row of the table, the summary still will update it. Is there any solution with this? Thanks!

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  • Dell Latitude e6520 gaming capabilities?

    - by user1072185
    I am purchasing a very reduced Dell Latitude e6520 from a friend and was wondering what kinds of games I could play on it and what resolutions. I'm not buying it for gaming purposes, but I am curious. The specs are as follows: Intel® Core™ i7-2720QM (2.20GHz, 6M cache) with Turbo BoostTechnology 2.0 nVidia® NVS™ 4200M 512MB DDR3 Discrete Graphics for Quad Core upon further research, the CPU requires this graphic card. 4.0GB, DDR3-1333MHz SDRAM 500GB 7200rpm Hard Drive I may upgrade to 8GB memory, depending if I am bogged down, what do you guys think?

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  • Best way to fix security problems caused by windows updates?

    - by Chris Lively
    I have a laptop running Windows 7 32-bit. Last nights security updates caused my logitech mouse to stop working (specifically, it caused several USB ports to stop altogether). After reviewing the system event log I found that the IPBusEnum component was failing due to an activation security error. A little more research and I found that this was caused by the TrustedInstaller replacing the security permissions on those keys and generally mucking them up. To fix this I had to open regedit, take ownership of ALL the keys related to IPBusEnum and force it to use the inherited permissions from the tree. Is there a better way to fix this when MS screws up the updates? I would hate to have to walk around to a number of machines and manually fix the registry key security settings.

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  • Is it possible to load balance requests from a single source?

    - by Shawn
    In our application, Server A establishes a TCP connection with Server B, then it sends a large amount of requests to Server B over the TCP connection. The request message is XML-based. Server B needs to respond within a very short period, and it takes time to process the requests. So we hope a load balancer can be introduced and we can expedite the processing by using multiple Server B's. This is not a web application. I did some research but failed to find a similar application of load balancer. Can anyone tell me if there's a load balancer can help in our application?

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  • Security Resources

    - by dr.pooter
    What types of sites do you visit, on a regular basis, to stay current on information security issues? Some examples from my list include: http://isc.sans.org/ http://www.kaspersky.com/viruswatch3 http://www.schneier.com/blog/ http://blog.fireeye.com/research/ As well as following the security heavyweights on twitter. I'm curious to hear what resources you recommend for daily monitoring. Anything specific to particular operating systems or other software. Are mailing lists still considered valuable. My goal would be to trim the cruft of all the things I'm currently subscribed to and focus on the essentials.

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  • How can I re-encode H.264 video with minimal quality loss?

    - by SofaKng
    I have a lot of MPEG-TS files (.TS container but H.264 video) and playback is fine except that when you skip forward/backward or fast forward it's very sluggish and gets pixelated, etc. I've been trying to do research and I'm guessing that they were encoding with very few reference blocks (ie. it's a capture from a DVB-S satellite stream). When I re-encode them with Handbrake (.MP4 container) they play very, very good and seeking in the video is instant, etc, etc. Is it possible to transcode/re-encode my MPEG-TS files with minimal quality loss? If so, what is my best bet? They are each about 2 Mbps (ie. 2 GB per hour) but I don't want to re-encode them if "minimal quality loss" requires 10+ GB per file. I'm hoping to keep the video are the same size. Can anybody give me any advice?

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  • Collision Attacks, Message Digests and a Possible solution

    - by Dominar
    I've been doing some preliminary research in the area of message digests. Specifically collision attacks of cryptographic hash functions such as MD5 and SHA-1, such as the Postscript example and X.509 certificate duplicate. From what I can tell in the case of the postscript attack, specific data was generated and embedded within the header of the postscript (which is ignored during rendering) which brought about the internal state of the md5 to a state such that the modified wording of the document would lead to a final MD equivalent to the original. The X.509 took a similar approach where by data was injected within the comment/whitespace of the certificate. Ok so here is my question, and I can't seem to find anyone asking this question: Why isn't the length of ONLY the data being consumed added as a final block to the MD calculation? In the case of X.509 - Why is the whitespace and comments being taken into account as part of the MD? Wouldn't a simple processes such as one of the following be enough to resolve the proposed collision attacks: MD(M + |M|) = xyz MD(M + |M| + |M| * magicseed_0 +...+ |M| * magicseed_n) = xyz where : M : is the message |M| : size of the message MD : is the message digest function (eg: md5, sha, whirlpool etc) xyz : is the acutal message digest value for the message M magicseed_{i}: Is a set random values generated with seed based on the internal-state prior to the size being added. This technqiue should work, as to date all such collision attacks rely on adding more data to the original message. In short, the level of difficulty involved in generating a collision message such that: It not only generates the same MD But is also comprehensible/parsible/compliant and is also the same size as the original message, is immensely difficult if not near impossible. Has this approach ever been discussed? Any links to papers etc would be nice.

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  • A desktop Wiki editor/viewer: is there anything out there?

    - by MrBertie
    I'm a big user of wikis, mainly Dokuwiki, I really like the clarity and ease of use of simple text files. However all good wikis seem to require a web-server of some kind; has anyone come across a good desktop wiki editor/viewer that work with plain-text files, and allow me to work with wiki text files just like any other document file type (note: not a desktop wiki running inside a local webserver) Before you rush to suggest (I hope!) I have done months of research on this and have tried Wixi, Wikidpad, zulupad.... Any ideas anyone?

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  • Should a webserver in the DMZ be allowed to access MSSQL in the LAN?

    - by Allen
    This should be a very basic question and I tried to research it and couldn't find a solid answer. Say you have a web server in the DMZ and a MSSQL server in the LAN. IMO, and what I've always assumed to be correct, is that the web server in the DMZ should be able to access the MSSQL server in the LAN (maybe you'd have to open a port in the firewall, that'd be ok IMO). Our networking guys are now telling us that we can't have any access to the MSSQL server in the LAN from the DMZ. They say that anything in the DMZ should only be accessible FROM the LAN (and web), and that the DMZ should not have access TO the LAN, just as the web does not have access to the LAN. So my question is, who is right? Should the DMZ have access to/from the LAN? Or, should access to the LAN from the DMZ be strictly forbidden. All this assumes a typical DMZ configuration.

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  • Proxy via Telnet

    - by Vreality2007
    I know telnet is insecure and all, but I'm stuck using it because ssh is blocked. I know how to setup ssh to bind the connection to a local port, is there a way to do this with telnet? For example, if I am using an ssh connection, I would bind it to port 999 like this: ssh -D 999 [email protected] -N -C I've tried using the -b command in linux, but to no avail. Is this even possible? This is what I've tried: telnet host.com -b 999 I'm sorry if the answer is obvious, but I've done a lot of research and testing and I can't seem to figure this out. NOTE: I plan on telling the admin if I can find a way to get this to work, this is based off of simple curiosity and not malicious intent. If I can't bind a telnet port, is there a way to tunnel an ssh connection through telnet?

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  • internet access options in remote area? (read: no comcast,qwest, etc)

    - by freedrull
    Currently I am living in a fairly "remote" area, in the countryside, and cable internet access through the typical companies like comcast and qwest is just not available here. I've been trying to research other options for fast internet access. There are some small cable companies but they currently do not offer broadband access here. I thought about maybe buying a 3g phone with a data plan and doing some sort of tethering, or perhaps getting an android phone and using it as a wireless AP. This would of course depend on 3g being available here. The only other thing I can think of is some sort of satellite internet service, or doing something crazy like adapting wifi over am radio. Anyone have any ideas, at all, short of moving somewhere else?

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  • Compression algorithm for IEEE-754 data

    - by David Taylor
    Anyone have a recommendation on a good compression algorithm that works well with double precision floating point values? We have found that the binary representation of floating point values results in very poor compression rates with common compression programs (e.g. Zip, RAR, 7-Zip etc). The data we need to compress is a one dimensional array of 8-byte values sorted in monotonically increasing order. The values represent temperatures in Kelvin with a span typically under of 100 degrees. The number of values ranges from a few hundred to at most 64K. Clarifications All values in the array are distinct, though repetition does exist at the byte level due to the way floating point values are represented. A lossless algorithm is desired since this is scientific data. Conversion to a fixed point representation with sufficient precision (~5 decimals) might be acceptable provided there is a significant improvement in storage efficiency. Update Found an interesting article on this subject. Not sure how applicable the approach is to my requirements. http://users.ices.utexas.edu/~burtscher/papers/dcc06.pdf

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  • Squid site redirection

    - by AndyM
    I have an internal website that cannot be accessed from some machines on my network, due to the physical location, VPN ,network ranges etc. I would like to install Squid on "in between" network to forward request from the clients that cannot reach the website. The issue is the clients have no ability to connect to www.example.com , but they can reach a network with a squid proxy , which in turn can reach www.example.com What is the correct term I need to research in squid , is it just caching www.example.com or do I need to set the clients to use a URL that gets rewritten ? i.e www.squid-example.com -- www.example.com

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  • I want to merge two PostScript Documents, pagewise. How?

    - by Peter Miehle
    hello, i have a tricky question, so i need to describe my problem: i need to print 2-sided booklets (a third of a paper) on normal paper (german A4, but letter is okay also) and cut the paper afterwards. The Pages are in a Postscript Level 2 File (generated by an ancient printer driver, so no chance to patch that, except ps2ps) generated by me with the ancient OS's Printing driver facilities (GpiMove, GpiLine, GpiText etc). I do not want to throw away two-thirds of the paper, so my idea is: Take file one, two and three, merge them (how?) on new double-sided papers by translate/move file two and three by one resp. two thirds and print the resulting new pages. If it helps, I can manage to print one page of the booklet per file. I cannot "speak" postscript natively, but I am capable of parsing and merging and manipulating files programmaticly. Maybe you can hint me to a webpage. I've read through the manuals on adobe's site and followed the links on www.inkguides.com/postscript.asp Maybe there are techniques with PDF that would help? I can translate ps2pdf. Thanks for help Peter Miehle PS: my current solution: i.e. 8 pages: print page 1, 4 and 7 on page one, 2,5,8 on page two and 3,6,blank on page three, cut the paper and restack. But i want to use a electrical cutting machine, which works better with thicker stacks of paper.

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  • What are the benefits of full VDI over Remote Desktop Services?

    - by Doug Chase
    We're talking about piloting VDI here, but the more research I do, the more it seems like it would make more sense just to upgrade and expand our TS (RDS) environment. I feel like you can pull off more sessions per core on RDS than on any VDI solution I've looked at. Is this the case? Is there a decision matrix anywhere describing the benefits of using full virtualized desktops over using a remote desktop farm? We need good video performance for clinical imaging - will this work better on one infrastructure or the other? (Does this question have a specific enough answer for it to be on SF? Regardless, I feel like having this here will be helpful for someone in the future...)

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  • Internal only DNS?

    - by ethrbunny
    We are running a research project with hundreds (becoming thousands) of remote hosts. Each host is running OpenVPN so we can find them regardless of what their 'assigned' IP is. We have been using DynDNS to manage this but we're running into some issues with them ( API is weak/nonexistent, size constraints, etc). Im looking into setting up a internal-only domain (EG "our.stuff" so a host would be "site1.our.stuff" or "site3.net4.our.stuff") that I can configure with the info from the OpenVPN server. Since we'd have to point our internal DNS to this machine it would have to be able to route/cache requests for 'external' machines as well. I've been trying to read about 'internal DNS', 'private', 'non-routeable' but I'm not having much success. Summary: need info on internal, caching DNS server. Something with open-source would be ideal. If not, I can script out changes to .conf, etc.

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  • Can't uninstall SBS 2003 in sbs 2003 -> sbs 2008 migration

    - by ChrisMuench
    I'm trying to remove sbs from my sbs 2003 server. Also I'm logged in as Administrator. However When I start to go through the wizard it gives me the following error. You must be a member of the Domain Admins, Schema Admins, and Enterprise Admins group. I then did some research and found this (http://support.microsoft.com/kb/842694) and I came to the point where it says to delete the server from Sites and Services. However when I clicked delete it wanted me to dcpromo the box first. However I have read you have to uninstall exchange first and then dcpromo it to remove AD. Any ideas?

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  • Cisco VPN disconnects after 5 seconds with error 422

    - by Marius
    I'm trying to connect to my university's server with VPN using Cisco VPN Client version 5.0.04, but after 5 seconds it disconnects with the error message 422: Lost contact with the secure gateway. Check your connection. From my research on the net it seems this could be because it tries to find my IP, and finds out that this is 127.0.0.1. Then 5 seconds later it discovers that I have a new IP (my actual IP), and it disconnects because I'm not allowed to change IP. Does anyone know how I could fix this, or if there is another reason i get this error? Update I looked through the log, and found this error, which confirms what I thought, except it gets the correct IP first, then changes it to localhost. 87 18:56:53.250 08/24/09 Sev=Warning/3 CM/0xA3100027 Adapter address changed from 149.171.237.25. Current address(es): 127.0.0.1.

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  • DFSR - What happens when one server gets maxed out?

    - by Jared
    What happens when one server in a DFSR pool maxes out its disk space? I am at the very beginning of my research in DFS/R and this struck me. I plan on implementing this on one server with RAID1 (160GB) and on another server with a RAID5 (500GB). What happens when my 1st server with 160GB disks, run out of space? Will it spill over to the 500GB server? Is it advisable at all to even have the RAID1 server in the DFSR pool? Because the RAID1 server is also my Domain Controller. Hope you guys can help me out here (OS are Win2k3R2)

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  • Mac Parallels - Bridged network

    - by Jack
    Hey All, I am new to Apple and my task is to install VMs on a Mac server. I am trying to install 4 VMs and I want them to have separate IPs and be visible on the network as separate machines. What are my options ? My research shows me that I can use bridged network, but I have to select an adapter. I have only two network adapters, does that mean I can only have 2 VMs ? And when I configure the 2 VMS, will my actual server have internet connection ? Or does it use the Mac address ?

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  • Where are essential Windows files located?

    - by Dorothy
    I am using a Vista but I would like the answer for XP, Vista and Windows 7. I am writing a program where I want to count the Important or Essential files of the Windows PC. It looks like the Essential files would be located somewhere in C:/Windows and after some research I found that some Essential files are located in C:/Windows/winsxs. What and where are the Essential files for a Windows PC? Is there a folder or set of folders that contain the essential files? Are all the files in C:/Windows/winsxs Essential? Essential Definition: Absolutely necessary; extremely important

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