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  • Database for heat tolerances of various cables?

    - by I. F.
    Is there any kind of unified database of heat tolerances for networking cables? I've been setting up a number of home/small office networks lately and as a mostly-amateur I could really use some information on what is safe to run behind a radiator, next to a steam pipe, etc. The question I'm up against at the moment is: Can I run normal RJ11 phone line cable (from DSL modem to phone jack) behind a steam radiator without risking a fire? Unlike cat5, I could not find published standards for these, so I'm turning to experts with more experience. This is a cut-rate show. Do I go out and buy more cabling, and if so which, or use the spare that I have?

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  • Linux file server for an inexperienced admin

    - by Pat
    A charity I volunteer for wants a file server for their mostly Windows machines (about five XP and 7 machines, with some Mac laptops every now and then). For the server, I have a PC with an Intel Core 2 Duo 3GHz proc, 4GB of DDR2 400MHz RAM, and a 500 GB HDD. (I should point out that they do not currently have any server - they are just using Windows to share a folder on one of the PCs.) What is a linux distro that is easy to configure for Windows file serving yet stable and secure enough to protect sensitive data without an expert sysadmin? I'm guessing that a Debian distro would probably fit the security bill, but I don't know of any tailored to novice sysadmins. Also, are there any killer apps for making this easy to administer and set up (as a Windows file server, in particular - this answer is a good example)? Would FreeNAS be sufficient? Once it's all set up, what are the minimum measures I need to take to keep the data secure? I found this somewhat helpful answer, but it's not specific to my question of just getting a secure file server up, running, and maintained.

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  • Registering VPS server: some newbie questions [closed]

    - by Angstrem
    I'm new to VPS in particularly and to servers in general. But it turns out that I need to raise and maintain a VPS server. I've decided to register it at https://nodedeploy.com/ but I have lot's of questions, conducted with it. Does that site provide VPS hosting or it is just a web-site hosting? Will the payments for the VPS be done automatically, or I'll have to do them manually? How do I select a VPS OS that will be installed? How do I get the root password? Will it be available after payment? Is ssh access supported there? How can I cancel my account if something goes wrong with my project? What VPS-hosting service would you recommend for using? Maybe, the questions are really full and newbie, but It's really important for me to know that points. I'll be very grateful for any answers.

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  • Shell script for daily disk usage report

    - by Master
    I am doing backups on my local drives. The drives are mounted in /media folder. Now i want to run cron job daily which will tell in table format how much disk is used by folder and how much free space is left on drive It would be good if i can insert that info in database and i can see that info use webpage on locahost ubuntu 10

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  • How to create a "retro" pixel shader for transformed 2D sprites that maintains pixel fidelity?

    - by David Gouveia
    The image below shows two sprites rendered with point sampling on top of a background: The left skull has no rotation/scaling applied to it, so every pixel matches perfectly with the background. The right skull is rotated/scaled, and this results in larger pixels that are no longer axis aligned. How could I develop a pixel shader that would render the transformed sprite on the right with axis aligned pixels of the same size as the rest of the scene? This might be related to how sprite scaling was implemented in old games such as Monkey Island, because that's the effect I'm trying to achieve, but with rotation added. Edit As per kaoD's suggestions, I tried to address the problem as a post-process. The easiest approach was to render to a separate render target first (downsampled to match the desired pixel size) and then upscale it when rendering a second time. It did address my requirements above. First I tried doing it Linear -> Point and the result was this: There's no distortion but the result looks blurred and it loses most of the highlights colors. In my opinion it breaks the retro look I needed. The second time I tried Point -> Point and the result was this: Despite the distortion, I think that might be good enough for my needs, although it does look better as a still image than in motion. To demonstrate, here's a video of the effect, although YouTube filtered the pixels out of it: http://youtu.be/hqokk58KFmI However, I'll leave the question open for a few more days in case someone comes up with a better sampling solution that maintains the crisp look while decreasing the amount of distortion when moving.

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  • Update packages on very old ubuntu

    - by meewoK
    I want to add Mysqli support to a machine running: Server Version: Apache/2.2.4 (Ubuntu) PHP/5.2.3-1ubuntu6.3 I would rather not update more things then I need to. I run the following: sudo apt-get install php5-mysql However, as the ubuntu version is old I get the following. WARNING: The following packages cannot be authenticated! php5-cli php5-mysql php5-mhash php5-xsl php5-pspell php5-snmp php5-curl php5-xmlrpc php5-sqlite php5-gd libapache2-mod-php5 php5-common Install these packages without verification [y/N]? Y Err http://gr.archive.ubuntu.com gutsy-updates/main php5-cli 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-cli 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-mysql 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-mhash 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-xsl 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-pspell 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-snmp 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-curl 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-xmlrpc 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-sqlite 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-gd 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main libapache2-mod-php5 5.2.3-1ubuntu6.4 404 Not Found Err http://security.ubuntu.com gutsy-security/main php5-common 5.2.3-1ubuntu6.4 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-cli_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-mysql_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-mhash_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-xsl_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-pspell_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-snmp_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-curl_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-xmlrpc_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-sqlite_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-gd_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/libapache2-mod-php5_5.2.3-1ubuntu6.4_i386.deb 404 Not Found Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-common_5.2.3-1ubuntu6.4_i386.deb 404 Not Found E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? Questions Can I add mysqli feature using another method instead of sudo-apt get? Even if successful can this break something on the system? Update: I have tried to add additional sources using the instructions from: http://superuser.com/questions/339537/where-can-i-get-therepositories-for-old-ubuntu-versions I have the following in the /etc/apt/sources.list file: # deb cdrom:[Ubuntu-Server 7.10 _Gutsy Gibbon_ - Release i386 (20071016)]/ gutsy main restricted #deb cdrom:[Ubuntu-Server 7.10 _Gutsy Gibbon_ - Release i386 (20071016)]/ gutsy main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://gr.archive.ubuntu.com/ubuntu/ gutsy main restricted universe multiverse deb http://gr.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse deb-src http://gr.archive.ubuntu.com/ubuntu/ gutsy main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://gr.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted deb-src http://gr.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## universe WILL NOT receive any review or updates from the Ubuntu security ## team. deb http://gr.archive.ubuntu.com/ubuntu/ gutsy-updates universe deb-src http://gr.archive.ubuntu.com/ubuntu/ gutsy-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. #deb http://gr.archive.ubuntu.com/ubuntu/ gutsy multiverse deb-src http://gr.archive.ubuntu.com/ubuntu/ gutsy multiverse deb http://gr.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse deb-src http://gr.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse ## Uncomment the following two lines to add software from the 'backports' ## repository. ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. # deb http://gr.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse # deb-src http://gr.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. This software is not part of Ubuntu, but is ## offered by Canonical and the respective vendors as a service to Ubuntu ## users. # deb http://archive.canonical.com/ubuntu gutsy partner # deb-src http://archive.canonical.com/ubuntu gutsy partner deb http://security.ubuntu.com/ubuntu gutsy-security main restricted deb-src http://security.ubuntu.com/ubuntu gutsy-security main restricted deb http://security.ubuntu.com/ubuntu gutsy-security universe deb-src http://security.ubuntu.com/ubuntu gutsy-security universe deb http://security.ubuntu.com/ubuntu gutsy-security multiverse deb-src http://security.ubuntu.com/ubuntu gutsy-security multiverse # Required deb http://old-releases.ubuntu.com/ubuntu/gutsy main restricted universe multiverse deb http://old-releases.ubuntu.com/ubuntu/gutsy-updates main restricted universe multiverse deb http://old-releases.ubuntu.com/ubuntu/gutsy-security main restricted universe multiverse

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  • How to compare old laptop to new laptop?

    - by Lasse V. Karlsen
    I hope this question doesn't get closed at once :) I have an old laptop, a Compaq NC4200, which is going its final laps around the track these days. Battery is dead, and everything kinda runs slow. It also has only 1GB of memory, and even though I don't know if it can take more, I probably wouldn't be able to get hold of any that matches without having to special order it. The size, however, has been ideal for my usage pattern, so I'm looking to replace it with a similarly sized laptop, at least in the same size category. However, it's been a while since I tried keeping track of CPUs, so I have a question. The old laptop has a Intel Pentium M 760 1.86GHz processor. One laptop I found online has a Intel Pentium SU4100 1.3GHz dual-core. This type of processor seems to be quite common in the price and size-range I've been looking. What kind of relative performance boost could I expect from the old one to the new one? I am not expecting a "about 7.45x speed", but some indication would be nice. For instance, dual-core tells me it might be akin to 2.6GHz, but I assume I can't simply compare 1.86GHz to 2.6GHz and expect the new one to run about 1.4x as fast, I expect more these days. Or is that unrealistic for this kind of processor? Do I need to up my price range and go for a 2+ GHz processor?

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  • Newbie: get access privilege

    - by Mellon
    I am newbie on Linux Ubuntu machine. I logged in to the Ubuntu with username: student. There are some directories only allowed root user to access, for example /var/lib/mysql ,(I know I can use sudo to access but it is not what I want). If I want to get the access privilege on those directories with student account, is it so that I can run the following command : chown student: PATH_TO_ROOT_USER_PRIVILEGED_DIR and after that, I can access that directory by using my own account ? am I right? If I am right, then will root user lose the access privilege because I changed it to student user? If I am wrong, please tell me the right solution. P.S. please don't concern on what I am going to do on /var/lib/mysql directory, that is only my example, as I mentioned above, I mean generally *for those directories which only have root privilege*, can I use chown to change access privilege and will root user then loose the access because of the change made by chown ? I just wanna know the effect of chown.

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  • IRC newbie needs detailed "How To" directions for freenode.net connection with OS X IRC app

    - by Johnny Utahh
    Newbie IRC user here. Trying to get connected on freenode.net, preferably with a native Mac OS X client (I'm running 10.6.8), or at least something with a good "OS X feel." Also seeking a client that comes "well regarded" in Mac community (eg, Linkinus reflects outstanding Apple App Store user ratings). Thus far have found it remarkably difficult to "get started from scratch" with ANY client. All attempted clients (Colloquy, Textual, Linkinus) experience some sort of "* Notice -- You need to identify via SASL to use this server" error. I see this freenode SASL-friendly client list; am I really limited to only these clients? This "IRC-freenode startup" procedure has been far more difficult than I had originally anticipated. Why can't I just do this and have it "just work"? Bottom line: looking for a "chapter and verse"/cookbook description of how to get started with freenode.net IRC chat rooms on Mac OS. Need reference to known-working client, and then exact directions on how to get connected to a chat room with a nickname.

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  • How to compare old CPU to new CPU?

    - by Lasse V. Karlsen
    I hope this question doesn't get closed at once :) I have an old laptop, a Compaq NC4200, which is going its final laps around the track these days. Battery is dead, and everything kinda runs slow. It also has only 1GB of memory, and even though I don't know if it can take more, I probably wouldn't be able to get hold of any that matches without having to special order it. The size, however, has been ideal for my usage pattern, so I'm looking to replace it with a similarly sized laptop, at least in the same size category. However, it's been a while since I tried keeping track of CPUs, so I have a question. The old laptop has a Intel Pentium M 760 1.86GHz processor. One laptop I found online has a Intel Pentium SU4100 1.3GHz dual-core. This type of processor seems to be quite common in the price and size-range I've been looking. What kind of relative performance boost could I expect from the old one to the new one? I am not expecting a "about 7.45x speed", but some indication would be nice. For instance, dual-core tells me it might be akin to 2.6GHz, but I assume I can't simply compare 1.86GHz to 2.6GHz and expect the new one to run about 1.4x as fast, I expect more these days. Or is that unrealistic for this kind of processor? Do I need to up my price range and go for a 2+ GHz processor?

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  • Local references to old server name remain after Windows 2003 server rename

    - by imagodei
    I have a standalone Win 2003 server with Windows Sharepoint Services (WSS3) running on it. I had to rename the server and I had bunch of problems resulting from this. Note that the server is not in AD environment. Most obvious problems were with Sharepoint, which didn't work. I was somewhat naive to think it will work in the first place, but OK - I've solved this using step 1 & 3 from this site (TNX) Other curious behavior/problems remain. Most disturbing is that Sharepoint isn't able to send email notifications to participants. I noticed there are several references to old server name everywhere I look: in Registry, in Windows Internal Database (MICROSOFT##SSEE). I see instances of old server name in the Sharepoint Central Administration - Operations - Servers in farm. There is reference to a servers: oldname.domain.local oldname.local On one of those servers there is also Windows SharePoint Services Outgoing E-Mail Service (Stopped). Also, when I try to telnet locally to the mail server (Simple Mail Transfer Protocol (SMTP) service), I get a response: 220 oldname.domain.local Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Tue, 15 Jun 2010 13:56:19 +0200 IMO these strange naming problems are also the reason why email notifications from within Sharepoint don't work. Can anyone tell me how to correct/replace those references to oldservername? Why is the email service insisting on old name? Of course I would like to try it without reinstalling the server. TNX!

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  • newbie: Allow domain users to change power-savings settings

    - by user65007
    I've just recently installed SMS 2011 on a server and added several computers to it's domain. Now I've noticed that I cannot change power settings (even when logged in as user who is in Domain Administrator role, let's call it Admin for future reference). After some googling I ended up adding Admin to the local administrators group using Group Policy Management Editor (as I have no experience in server administration I'm not sure I did it right: I went to Policy Management, selected Forest: xxxxx - Domains - xxxxx - Group Policy Objects - Windows SBS Client - Windows 7 and Windows Vista Policy - go to Settings tab on the right and right-click on anything and select Edit to go to Group Policy Mangement Editor - User Configuration - Preferences - Control Panel Settings - Local Users and Groups - right-click on it and select New - Local Group, then set Action to "Update", Group Name to "Administrators (built-in)", and added Admin to Members). After that I was able to change the power-savings settings on client computers(when logged in as Admin). Now the question: what should I do to allow any domain user to change this settings? Notice, I do not want to force some predefined power plan to all computers, I want to set it up so that any domain user on any client computer would be able to select a different power plan and to make any adjustments to the selected one. Thank you for any suggestions, just keep in mind that I'm newbie (but not completely dumb), so please answer accordingly :)

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  • how to make a web-gallery with RoR?

    - by neuro
    hello, Im a newbie RoR kid, and I'm trying to make a web gallery app just like the onyx http://www.hulihanapplications.com/projects/onyx since it's outdated and i couldn't get it to work with my 2.3.8 rails' version. So, are plugins like paperclip or carrierwave any good for me to start with. Or should i take another route and writh the app from scratch. please provide me with good links regarding the subject. thank you in advance

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  • Suggest me which web development technology i gotta use?

    - by shyam-daniel
    I am a newbie to the web application development. I have to start with a Framework which will make me grow up higher in my career. So please suggest which technology i have to choose? Lot of technologies for web development is articulating in this field like PHP,JSP,Stuts,JSF,Flex,ColdFusion etc. Give me some suggestions to how to start?

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  • C# - Converting a float to an int... and changing the int depending on the remainder

    - by Django Reinhardt
    Hi, this is probably the really newbie question (well, I'm pretty sure it is), but I have a float that's being returned and I need a quick and efficient way of turning it into an int. Pretty simple, but I have an exception. If the remainder of the float is anything other than .0 then I want to increment the int. Some quick examples: Float = 98.0, Int = 98 Float = 98.1, Int = 99 Float = 6.6, Int = 7 etc. Thanks for any help!

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  • Exchange 2007 Backup - For a newbie

    - by mew3900
    I am trying to setup an exchange 2007 backup solution. After doing a lot of reading, Microsoft have decided in server 2008 unless you are willing to spend a great deal on a 3rd party solution you are pretty stuck! Essentially what I have been asked to do is perform an off-line file backup of our current exchange server and replicate this onto a new 2nd server. The reasoning behind this is that we need to upgrade our current installation of exchange 2007 to SP2 so that the exchange plug-in for windows server backup will be available to us. From this I can then actually take an exchange aware backup weekly and take it off site. Ideally then also we can migrate to this new server and keep the old one as a fail over. Is there a way I can copy across the files required onto a second server, although I doubt very much it is that simple. I may be barking up completely the wrong tree, however I have very limited knowledge with Exchange and any help and advice on how I would resolve this would be much appreciated. Thanks in advance

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  • FTP corrupting subsequent aiff files from old mac to new mac

    - by eighteyes
    This is a bizarre one. So I am trying to xfer files from an old mac to a new mac, but the old one has no USB, no firewire, just ethernet. So I hooked it up the the network, downloaded fetch and started a FTP server. The first file transfers fine, but all the subsequent ones are corrupted. I can reconnect and transfer a new file and it works, but every file afterwards is corrupted, somehow. I tried forcing binary transfer, but that didn't help. Any ideas? From System 8.6 Osx 10.7.5

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  • Old (Leopard) Expose on Snow Leopard (for mac)

    - by Cawas
    I'm amazed this question haven't been asked here. There are many discussions about it out there and even a way to remove the blue glow. Of course I've already filled my complain with apple... But, is there a way to have the old expose on Snow Leopard? Or maybe a mix of both. The only thing I like on the new one is viewing minimized windows, but not always. So I'd like better been able to tweak it a little bit, but just having the old expose would be fine.

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