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• Local or public NTP servers?

  - by BeeOnRope

  For a relatively large network (thousands of hosts) - what are the arguments for and against running a locally managed (pool of) NTP server(s) (perhaps periodically set via some public NTP server) and having all other hosts on the network use that (pool of) NTP server(s) versus having all hosts simply use public NTP servers directly, say via ntp.pool.org? Aside from the pros and cons, What is typical best practice today?

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• What tools exist for monitoring the CPU and memory utilization of Firefox?

  - by vfclists

  Firefox appears to using too much memory and cpu even when it is idle What tools exist for monitoring the CPU and memory utilization of Firefox? I am thinking of an equivalent of Sysinternals Process Explorer for Firefox or something like top or htop, on a page, script and addon basis. More technically oriented, something I can see and hand over to the script designers or Mozilla and say "see what this doing to my browsing experience!!"

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• Professional graphics cards a "must" for rendering static environments?

  - by Imhotep

  I'm not sure if the title is clear but with more words what I want to say is: I'm building a PC for a decorator who's main work is to render photorealistic images of house interiors. For that she uses 3dsMax and AutoCAD with Accurender and Photoshop. Is there a need for professional graphics card like Quadro series or FireGL series? Do these cards offer any improvements on rendering time or are they only used for real time rendering?

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• Vista 64 automatically hibernates after resuming from hibernate

  - by dan gibson

  I have Windows Vista 64 running on a Dell XPS 420. I hibernate Vista instead of shutting down. When I power back on, if I don't press a key or move the mouse then a minute after powering on it will automatically hibernate. My power settings say to never hibernate or sleep. Any idea why it is automatically hibernating when it starts up?

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• Windows Vista - overlay icon with two people

  - by abcdefghijkl

  I had to save data from my harddisk to an external drive (with linux) and after reinstalling Windows Vista (and copying the files back) there is a strange overlay icon with two people. How do I get rid of this ? First I thought it could be shared, but the files are not shared. The user is the owner of all those files and they are accesible to everyone. Any ideas what Vista would like to say to me with these icons and how I get rid of them ?

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• How much memory do I need for innodb buffer pool?

  - by Shirko

  I read here that You need buffer pool a bit (say 10%) larger than your data (total size of Innodb TableSpaces) On the other hand I've read elswher that innodb_buffer_pool_size must be up to %80 of the memory. So I'm really confused how should I choose the best size for the pool. My database size is about 6GB and my total memory 64GB. Also I'm wondering if I increase the buffer pool size, I should shrink the number of maximum connections to make room for extra buffer, or these parameters are independent. Thanks

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• How do I enable JPEG Support for PHP?

  - by ngache

  My Configure Command doesn't say anything about jpg, nor gif/png, but I can see gif/png support in the output of phpinfo(). I built PHP with --with-gd, but only GIF Support and PNG Support are in the output of phpinfo(), how do I enable JPEG Support?

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• Debug/step into a Linux boot

  - by bean

  Is there a way to watch Linux boot as though it was a program compiled with GCC on a Linux environment using the -g switch so, say, I can step through the entire boot sequence from GRUB onwards, choosing to step through at C source level or assembly when necessary/desirable, by using GDB or a GDB-like tool? I suspect it would require a virtual machine at least, to watch the boot on a host environment. Any elaboration on this topic of observing a boot would be appreciated!

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• How does virtualization improve server utilization?

  - by Continuation

  The biggest benefit of virtualization is usually said to be improved server utilization. But why do I need virtualization for that? Say I got N physical servers that are lightly used. Why don't I just combine all the apps on those N servers into 1 physical server? This way I don't incur the performance penalty of virtualization. What does virtualization buy me in this case?

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• <VirtualHost fqdn.mydomain.com:80> not recommended?

  - by Alois Mahdal

  In Apache2 documentation thay say that in <VirtualHost *:80>, the * can be replaced by IP or FQDN, but the FQDN is not recommended. Addr can be: The IP address of the virtual host; A fully qualified domain name for the IP address of the virtual host (not recommended); But why is it not recommended? If I have www.mydomain.com and webmail.mydomain.com pointing to the same IP address, why shouldn't I use the names here?

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• Long-term backup storage media

  - by Dimitri C.

  Rumors say CDs and DVDs won't remember your data longer than ten years. Are there backup media that do better?

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• How can I create a heat map based on data from Google Analytics?

  - by tnorthcutt

  How would one go about creating a heat map (say, of the US) based on location data from Google Analytics? I'd like to somehow create such a map with the visitor data from several websites that use Google Analytics. I'm not really looking for a step-by-step tutorial, just some suggestions on how to start. Assume little to no programming experience, but a willingness to learn and hack together stuff to make it work.

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• There is a program to upload an image directly from the contextual menu?

  - by Domingo

  Here is the deal, i want to make right click on a image file on my pc and in the contextual menu hit an option who say: "Upload to imageshack" or similar, do you know a program who do this?

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• Can mod_fcgid maintain a hard-minimum number of available appserver processes?

  - by user9795

  ...and if so, how? I'm using Apache2 + mod_fcgid to serve a perl Catalyst application, on a box that I own, and I'd like for mod_fcgid to maintain a minimum number of spun-up processes ready to go. The docs say that FcgidMinProcessesPerClass only enforces a minimum number of processes that will be retained in a process class after finishing requests How do I get apache to start up with a certain number of appserver subprocesses on an idle server without using artificial load to get there?

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• Is there a way to refresh Notepad?

  - by chama

  I'm not sure if this is the correct place to ask this, but I checked on google and wasn't able to find out for sure. Say, for example, that there's one process that's writing to a file. While the process is running, I opened the file in notepad. The process keeps writing to the file. Other than closing and reopening the file, is there any way for me to "refresh" the data that notepad is showing? TIA!

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• restore -A usage

  - by Martin v. Löwis

  I have created a number of dump files using Linux dump(8), using the -A option to get a table of contents on disk (the backups are on tape). Now I'm trying to look into these archive files, using restore -i -A <archive>` However, this insists on asking what tape to use, and complains if I say none. What am I doing incorrectly? I was hoping that I can use these archive index files without having to insert the tape to use.

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• One google IP address is failing. Is there a way to force a switch to different one?

  - by vaccano

  The google ip address 74.125.53.100 is failing. I know no one would believe this so I did an online ping: As this image shows one of the IP addresses for Google is failing. But there are others. If I type them in then I can get to Google just fine. But when I try to search, Google reverts back to the broken IP. Is there any way for me to say "I want to do a search with one of the working IP addresses"?

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• i have a priv1.edb file that is growing about 1MB every 10 seconds in sbs 2003

  - by dasko

  is there a way that i can trace what is causing the issue, i had some user say he tried to send a very large attachment and thinks it may be related? any help would be appreciated as they are currently approaching the 18GB limit on the sbs 2003 sp2. thanks.

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• Tool for creating a video from an audio file, video file and slides?

  - by Juanjo Conti

  I'd like to create a video file from 3 sources mixed: audio file, video file and slides. Could you recommend me a tool? I must say I have no experience in video edition.

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• Automatic backup software?

  - by Mehrdad

  Every backup software I've seen (even the ones that claim "continuous" protection) only backs up files periodically -- say, every 5 minutes. What I'm looking for is true continuous backup software, i.e. software that can transparently back up files immediately before they are written to, so that I can be certain I have all the versions of a file that ever existed. Is there any software that does this?

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• Best open source server notification software

  - by Adam Evers

  I am looking for an open source notification/monitoring software which will work much like growl does with a mac. It would be awesome if I could receive certain messages to my mac computer from my server when lets say it restarts or some predefined error happens etc. Anyone know of anything like that? I know of Nagios but I am thinking not as complex.

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• dell inspriron touch pad on fedora 12

  - by laks

  I'm using linux fedora 12 dell inspiron 1545 . But today suddenly touch goes weird. Few things I can't click( say menu ) - but clicking on firefox tab closes it. scrolling works.

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• IPTABLES route, redirect, forwardc traffic

  - by Anthony

  I am trying to redirect traffic from one IP reached on a specific port to a website. For example I have two external ips, lets say 194.145.63.1 and 194.145.63.2 set on one network card as 194.145.63.1 - eth0 and 194.145.63.2 -eth0:1 mywebsite.com allows access only from 194.145.63.1 and I want to set my rules like if I hit http://194.145.63.2:8080 to open mywebsite.com trough 194.145.63.1. Thanks in advance!

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• Application to automatically switch between two applications in Windows

  - by OverloadUT

  Does an application exist that will cause the computer to switch (bring in to focus) between two different applications, on a timer? This is for Windows 7. I need this for a screen that will display publicly to customers. I want the screen to switch between two different applications every, say, 30 seconds. I figure there are enough businesses out there will customer-facing monitors these days that something simple like this must exist!

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• Power up and down computers on a timer

  - by Scott Weinstein

  I've got a windows home server that's just great for backups and the like, but I'd like to reduce my power consumption. What the best way to put it on a timer, say wake up daily at 6pm and shutdown if activity is less than 3% at 1am?

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