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• Calibrate Screen Measurements / Scaling in Mac OS X

  - by orphu

  Is there a way to adjust the scaling of items on the screen in Mac OS X so they are 1 to 1 with the real world? I.E. When I'm working with a line in illustrator that is 5 inches long, and the zoom is 100%, I'd like the actual size of the line on screen to be 5 inches. I've dug into the System Preferences but can't seem to find anything related to this. I'm using Snow Leopard on a 24" iMac

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• TAB completion not working in ubuntu hardy heron

  - by Tutul

  I have recently installed ubuntu hardy and found that shell command completion with TAB doesn't work, the package 'bash-completion' is installed in my system. I guess it is related to dash being the default shell? Is there a way to use tab completion in dash? If there isn't a way then how can i change my default shell to bash?

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• What is the unit of size we get from using wmic command on windows

  - by Abhishek Simon

  I use a couple of wmic commands and I was wondering how can a user come to know the the unit of any size related command output? For Instance I use the below 2 commands wmic /node:Abhishek-PC cpu get maxclockspeed,l2cachesize,loadpercentage output: L2CacheSize LoadPercentage MaxClockSpeed 8192 1 1595 8192 1 1595 wmic /node:Abhishek-PC LogicalDisk Where DriveType="3" Get DeviceID,Size,FreeSpace output: DeviceID FreeSpace Size C: 13933780992 73300701184 E: 23688204288 73405558784

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• CSMA/CD and CSMA/CA

  - by Zia ur Rahman

  CSMA/CD is used in wired LANs, CSMA means that the computers on the network sense the medium if the medium is idle, the computer transmits otherwise it defers sending.CD refers to collision detection. I don’t want to write about CD because its not related to my Question. Now in case of wireless LANs we use CSMA/CA , here CSMA refers to carrier sensing , the Question is how carrier sensing is done in case of wireless LANs? the collision avoidance is done by sending the control message to the intended receipient.

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• Internal/external DNS with subdomains

  - by ScottMcGready

  I've got an internal DNS server (part of OS X server) and it's acting as the main DNS server for a specific (physical) site. When it can't resolve hostnames itself, it forwards requests to Google's DNS servers. Everything works well apart from a couple of issues, which I think may be related but can't get to the bottom of. I've got a number of intranet sites setup, that people can access by going to something like: intranet.mydomainname.com selfservice.mydomainname.com These point to various servers in the building that host these sites. Whether internal or external (without VPN), I can access these sites just dandy. Where the issue comes is when I want to host, say, test.mydomainname.com on an external server it fails to resolve as the primary zone for mydomainname.com is internal. How can I get it to look up Google's DNS (or an external one) for that zone if it's not in the list? I've tried everything I can think (adding my host's nameservers etc) of but nothing seems to work fully. Also I can't access intranet sites when connected via VPN and from what I can gather - I believe this might be related to the DNS issue but just wanted to give as much information as possible. Edit The domain mydomainname.com is hosted externally and pointed at the site's public IP. From there we can forward the requests to the relevant internal server. Externally everything works, internally though any subdomain of mydomainname.com is served locally, I want it to be served from Google's DNS / externally. DNS Configuration As per a request, here's the current DNS configuration (OS X server's DNS tab). I've blurred out the .private address as it's not really relevant but it's the server's name. The colored dots are just there to link everything together. Screenshot: In an attempt to clarify this is what I want: intranet.mydomain.com -> 192.168.0.12 selfservice.mydomain.com -> 192.168.0.13 *.mydomain.com -> forward to external DNS mydomain.com -> forward to external DNS At the moment any subdomain of mydomain.com is not forwarded on (think this is because of the primary zone being mydomain.com with a NS of intranet.mydomain.com but could do with a little nod in the right direction.

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• Dealing with Word spell check in technical documents?

  - by Robert MacLean

  I have waste millions of hours clicking the Ignore Once button in Word, while trying to spell check a document related to development. Be that something light on terms like a proposal or something worse like technical specs. I'm beginning to think that this is a huge waste and someone may have developed a dictionary for Word with common development terms that I could add and no longer have this problem. Does such a dictionary exist or is there some other tricks to use to improve this process?

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• Spam daily report on servers using sendmail

  - by Simone Magnaschi

  Hello, we'd like to implement a daily spam report to our users like Dreamhost does. Basically we need to send a daily mail (at midnight for example) to inform a single user of all the emails currently in his spam folder with the related score to let them look right away if there's a false positive. We use a basic sendmail server with procmail to redirect spam to the spam folder in each home directory. Do you know if is there a perl script or some other tool that does just that? Thank you very much

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• How to avoid flickers in Windows XP Virtual PC mode in Windows 7

  - by Bragaadeesh

  Hi, I am using a Virtual PC. ie, using windows xp in virtual mode inside Windows 7. The graphics looks good but I am getting a lot of flickers (the windows xp mode is by itself slow not my windows 7 Operating system). I saw many other posts in the forum, but none has anything related to this. Should I install a graphics driver?

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• Update to recent stable php in Ubuntu 12.04

  - by Jurian Sluiman

  We run an Ubuntu 12.04 server where php 5.3.10 is installed by default. I thought Ubuntu did only apply bugfixes in their updates, so micros like 5.3.x should pass through. Apparently, our version isn't updated, but we are stuck with a critical bug in php which is solved in 5.3.15. Should I wait longer for this release to bubble up? Or are there safe repositories to use for Ubuntu to continuously update php and php related packages?

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• Only show hidden files in certain directories

  - by Joseph Silvashy

  On a Unix system (or more specifically on OS X) is it possible to show hidden files in only some directories? For example as a developer I want to see the hidden files in my Rails projects but not on my desktop as well. I guess I'm just tired of seeing all these .DS_Store and .trashes files swimming around, any remedies not directly related are welcome too!

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• Active Directory GPO - New Password Rules

  - by Chris Gunner

  In implementing a GPO for Active Directory, a colleague has mentioned that they have implemented one which disallows 'similar' new password to be chosen - i.e. 'password1' cannot be changed to 'password2'. Seeing as AD stores all passwords as hashes, and a hash of the two options above would be markedly different and certainly not related - how can this be possible?

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• Log Analyzer for Apache

  - by madphp

  Hi, Two related questions. Is there any good apache log analyzer other than awstats and webalizer? and is there any error log analyzers? --Mark

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• What is the best way to keep a VGA cable plugged into a laptop

  - by Ryan B

  I am looking for the best way to keep a VGA cable plugged into a laptop for an extended period of time. The laptop doesn't have the female end threads like you may see on a video card. Between the VGA port location and my hand size, I knock the cable out often. I am working on getting a docking station, but not sure when it would be ordered (work-related). I found an adapter, but not sure if it will work. Thanks

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• Netgear FVS336G as VPN Server

  - by Farseeker

  Hi All, One of our offices has made the move away from PFSense to a Netgear FVS336G. The one feature I can't seem to figure out is its VPN capabilities. I'm confused as to whether this device can act as a IPSEC VPN server, or if it can only act as the client in a Site-Site VPN. The documentation does not make this clear at all, and Google does not seem to have been any help. (Related question: here)

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• Find permission problem on Windows 2003

  - by Tomas

  Hello, I am trying to run process(console executable) on remote PC from asp.net application using WMI and get "Access is denied" problem. I have checked all event viewer logs on remote PC, no information related this. Where do I start searching for problem? Does Windows has some kind of permission monitor tool? Also I have tried to use Procmon.exe but hard to understand what to search, my process even do not listed in Procmon. Regards, Tomas

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• Any rerefence of CPU world statistics?

  - by Áxel Costas Pena

  I am looking for any referencee about computer power statistics across the world. My main interest is about real computing capabilities, so I'd prefer information about real processor power, and even best if it includes also other critical hardware statistics, like RAM memory, but if it isn't possible, maybe statistics about brand/model distribution will be also useful. I've Googled for some minutes and I've found nothing related.

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• Colorize Monitoring of Logs

  - by Ian

  I sometimes monitor apache and php error logs using tail under FreeBSD. Is there any way to get colorized output, either using tail or some other command line app? Alternatively, what is your favorite way to monitor the various web-related logs in realtime?

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• Investigate high load on RHEL

  - by Adam Matan

  One of my RHEL 5 was showing high load (~4-5) on uptime. The load increased, and when it reached 6 (±), the server froze and needed restart. top-wise, the server had no significant CPU or memory issues and sar showed no increase in iowait. Therefore, the thrashing must have been related to other factors. Any ideas how to investigate this? In particular, how do I know that which processes are waiting in the queue?

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• Linux command line best practices and tips?

  - by Maxim Veksler

  I would like to open a discussion that would accumulate your Linux command line (CLI) best practices and tips. I've searched for such a discussion to share the below comment but haven't found one, hence this post. I hope we all could learn from this. You are welcome to share your Bash tips, grep, sed, AWK, /proc and all other related Linux/Unix system administration, shell programming best practices for the benefit of us all.

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• Windows XP procedurally drop packets

  - by Michael J Mulligan

  We have a need in our office network to procedurally drop incoming packets on an XP machine acting as a server. By procedurally we mean to drop a percentage of packets incoming on the XP machine from a specific IP. Asked here because these seem like server related questions. And none of us have really any idea how to execute this. Another option is to introduce intermittent latency for an incoming IP. Thank you for your help.

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• Overclocked GPU quantum problem

  - by Thrawn

  Hi all, I overclocked my nVidia GPU, and now I get it to be much faster, but after a ~40% overclock, I start getting "mistakes" on the screen, like wrongly coloured pixels, glitches and the sort. Temperature is still within limits, as I added extra coolers. So my question is: is this a permanent problem which is damaging the GPU or is only something related to the intrinsic quantum mistake rate of processing calculations? Thanks for your opinion :-)

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• Reload signal for UWSGI when using Supervisord?

  - by Kerem Ulutas

  I have been using UWSGI behind Nginx and I've set supervisord to restart the Nginx and UWSGI instances in case of a server reboot. I am debugging my application and sometimes need to reload the application. According to this page I should be sending SIGHUP in order to do a graceful reload. I could find a stopsignal config setting on this page, but I couldn't find any entry related to something like "reloadsignal" or "restartsignal". Any ideas?

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• Possible to direct naked domain to external IP

  - by Luke

  So I found this post: configure Bind to have a custom domain on tumblr and I was trying to ask a related question: Would it be possible to set up an A record pointing traffic to domain.com to Tumblr and feed.domain.com to the IP address of my choice? In other words, by setting up a naked domain A record to Tumblr's IP, will I inherently lose traffic to feed.domain.com? Can I write another A record for the specific subdomains I want to point to my server? I hope this makes sense.

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• Why won't my Nokia E52 charge on some USB ports

  - by snot

  I have two computers. If I connect my Nokia to one of them using the usb cable the charge process will start. If I connect the phone to the other computer (using the same cable!) it won't start charging. Any suggestions what the problem is? (I couldn't find a usb related difference between both computers)

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• Ubuntu 12.04 LTS vs Ubuntu 14.04 LTS memory usage

  - by geoffroy

  My droplet has 512 MB memory and is running Ubuntu 12.04 LTS 64 bits and a Rails 4 application + several workers. It's running well. I tried to deploy the same thing on a Ubuntu 14.04 LTS 64 bits droplet and I've got plenty of memory related problem (can't fork). Is Ubuntu 14.04 LTS using way more RAM than Ubuntu 12.04 LTS? Is there something I should know to lower memory usage ? Should I stick with Ubuntu 12.04 LTS?

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