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• Is there considerable energy saving using a black background on my website?

  - by isolatedIterator

  I had heard that you can save power by using a black background instead of a coloured background. Is there any evidence that this saves power on people's monitors? Is this a way that we can cut down on energy consumption (millions of users times milli-watts add up over time). It could also affect battery life on mobile devices.

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• How do I identify resource hogs on Firefox?

  - by Tarrasch

  I have installed a package of Firefox extensions that installed a few extensions to my Firefox. Recently I have noticed, that the resource consumption of the Firefox process rose to unacceptable levels for my rather weak Laptop. How can I identify the add-ons responsible for this? I do not want to uninstall all the add-ons since I think some of…

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• Advantages of a 130W vs 90W ac adapter?

  - by David

  I purchased a Lenovo T420S laptop with a 90W/20V AC adapter P/N 42t4426 through my IT department. Subsequently, I ordered a replacement adapter and received a 135W/20V AC adapter P/N 45N0054. The 135W version is about twice as big and heavy as the 90W version. Is there an advantage to the 135W version like faster battery recharging? Are there…

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• Laptop turning off when fan is spinning hard

  - by Ieyasu Sawada

  My laptop seems to have reach its lifespan. Its an Acer laptop so I guess that's normal. But I'd like to hear your opinions about this. My laptop is only 2 years old. I haven't heard the fan spinning like crazy not until these past 5 months. What I did: Hoping that its just the applications that I have installed that's consume the life of my…

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• Graphical MySQL tools

  - by Shlomo Shmai

  Are there any good graphical tools (preferably free) for navigating a MySQL database? I find myself doing a lot of the same SQL queries to look at data in the tables. I would imagine there's a GUI for doing this that makes life easier. Any one know of such a thing? Thanks a lot.

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• Does vertical position affect hard drive?

  - by yoosiba

  Hey. Recently I noticed that for many small PC cases hard drives are installed in vertical position while in midi tower and all bigger they are in horizontal position. What impact on hdd (non SSD, just plain hdd with all mechanical parts inside) has vertical position/ Does it decrease life of hdd? Is it more prone to data errors?

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• Run an application only compatible with 32-bit on 64-bit machine

  - by Glenn

  Title's pretty explanatory. I have an application(Second Life) that isn't compatible with 64-bit windows 7. It says that it is compatible with Windows XP, Vista, and 7 but only the 32-bit version of 7. I need to know if it's possible for me to download something to make the application compatible with my computer. I've run troubleshooters and ran…

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• LDAP RBAC model

  - by typo

  Hi does anybody can tell me about best practice to model RBAC on LDAP ? I'm very confused, not sure if I should think about LDAP groups as role, or just user in some custom OU. Any real-life examples with tasks-operations\roles\user scheme (one user, multiple roles per user, multiple operations-tasks per role) ? BTW:Target systems are .net,…

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• Why there is no one standard for configuration files in linux ?

  - by j23tom

  I'm serious - is it really fun for *nix sysadmins spending half of their life on spotting typo in httpd.conf ? What not use xml or json - (write gui tools would be easy)

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• Assign IP's to certian mac addresses in dd-wrt

  - by MrStatic.

  I have a Linksys WRT54G/GL/GS that I am running DD-WRT v24-sp2 (10/10/09) vpn - build 13064 on it and for the life of me I can not find a way to assign ip's based on Mac address. Basically I have a few laptops and Windows really has no decent way to have separate profiles for each network.

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• Self-Charging, USB Portable Speaker Recommendations

  - by Koobz

  There are lots of strictly usb powered speakers, but I don't imagine they're that good. I'd like something that I can plug in at home, have the speakers charge and when I go to the park with my friends, I'm not compromising sound quality or battery life. Does anything like this exist?

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• Why does hardware get slower with time?

  - by Alexey Kulikov

  Why does hardware get slower with time? I have been a PC owner since 1990 and every computer I have had in my life became really, really slow after 3-4 years (even with a full system-reinstall). It is the case with Windows PCs. It is also the case with Apple Hardware. Why is this happening? Can this be avoided?

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• Apache+PHP problem: Cannot list processes other than apache's

  - by Satanowski

  I have a quite fresh install of the Apache (2.2.3/Centos) + PHP(5.1.6) and following problem: I need to monitor life of one process and in order to do that I run: $last_line = exec('ps -C snmpd'); and check its output. Unfortunately I always get nothing. I've checked it with other process names and it seems it can 'see' only Apache's…

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• Which is a better use of my SSD Drive [on hold]

  - by RS Conley

  I have the choice of setting up a system with two SSD Drives in Raid 1 mode as my boot drive for Windows 7 64-bit. With the Program Files and User Folders moved to a Second regular HD Drive also configured using Raid 1. Or Setup a single SSD Drive (120 GB or 256 gb) as a cache Drive using Intel Rapid Storage Technology combined with…

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• How can I create a copy of a vm in vSphere Client running on ESXi 4.0?

  - by user37860

  I'd like to create copies of the VMs located on my datastore that I can put up temporarily on a different server while I perform some maintenance on our main virtualization server. Aside from using the Converter utility (which I don't believe I can use with the Linux machines) is there a way to make copies of these machines? It would…

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• Single machine domain with Windows 7 OS

  - by Robert Koritnik

  Is it possible to setup one single machine with Windows 7 x64 OS and somehow make it work as if it's part of a certain domain? So domain controller would be simulated in some way? I would like to avoid VMs and make it actually work on one machine with non server OS. Is there even a simpler way of doing it? Why: I have to setup…

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• shortcut for Eventvwr > Connect to another computer

  - by Peter

  I was wondering if you can write the following action in a batch command? eventvwr (open the event viewer) Menu Action Connect to another computer Type in the name of the computer. Connect. This would make my life just a few minutes/day more efficient ;-) Update As we've just upgraded to Windows 7 and I needed a new solution,…

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• Providing a static IP for resources behind AWS Elastic Load Balancer (ELB)

  - by tharrison

  I need a static IP address that handles SSL traffic from a known source (a partner). Our servers are behind an AWS Elastic Load Balancer (ELB), which cannot provide a static IP address; many threads about this here. My thought is to create an instance in EC2 whose sole purpose in life is to be a reverse proxy server having it's…

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• Running Radius on a Novell Backbone

  - by YsoL8

  Hello I am a rookie network engineer and I've been asked to create a secure wireless system intergrated with an existing network. So far I'd decided to use 802.1x secuity with a Radius enabled server over a Novell backbone. My question is: does Novell still support this type of server setup? I heard rumours it is at the end of…

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• WordPress-based ticketing systems?

  - by CarlF

  I have been asked to set up a ticketing/help desk system for a small nonprofit. Our server runs Debian GNU/Linux. Because we already have WordPress installed and plan to exploit it heavily going forward, I'm wondering whether there are any WP-based ticketing systems. Obviously, it will simplify the admin's life to have less…

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• Exchange-Server Query

  - by Rudi Kershaw

  First, a little background. I've recently been taken on as a web and software developer for a small company, who has no other in-house IT support. They've been asking my opinion on lots of IT subjects that are quite far out of my comfort zone. I'm definitely not a network admin. Their IT consultancy contractor is pushing them…

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• .screenrc - multiple regions on launch

  - by Rob B

  I know it's possible, but I can't for the life of me figure out how, to launch screen with one window in split region mode? ie: I have screen set to open multiple windows on launch, but want window 0 to be split into two regions with an application running in each region

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• Are there any well known anti-patterns in the field of system administration?

  - by ojblass

  I know a few common patterns that seem to bedevil nearly every project at some point in its life cycle: Inability to take outages Third party components locking out upgrades Non uniform environments Lack of monitoring and alerting Missing redundancy Lack of Capacity Poor Change Management Too liberal or tight access…

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• Wrap app with dynamic libraries into one large static app

  - by progo

  I have an old program that kind of depends on older dynamic libraries. They tend to get upgraded easily with distro's updates. I figured that there would be a script with using ldd that would gather the libs needed and create one bigger, statically linked application that wouldn't break so easily. If I could do this, alot…

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• What open-source applications do you use for software development?

  - by George Edison

  Figured this question would have a happier life here than on SO. So, what open-source software does everyone use? I'm referring to programs that are used to aid in the development of software. So this may include for example, the Gimp (for application artwork), but not a bittorrent client. Some of mine: Code::Blocks…

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