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• What would interfere with changing the default application for opening files on OS X?

  - by Michael Prescott

  I know how to change the default application for opening files. I select a file in Finder, right-click and select Get Info from the context menu. In the file's Info window, expand the Open with: panel. In that panel is a combo box that says, in my case, Adobe Flash CS4. I click the combo box and select Flash Player. It changes. Then I click the Change All... button. A dialog pops up and says: Are you sure you want to change all similar documents to open with the application “Adobe Flash CS4”? This change will apply to all documents with extension “.swf”. Cancel/Continue Well, clicking Continue does exactly what the message says. It sets the Finder to open all swf files with Adobe Flash CS4. What is going on? Why doesn't the message say, .... "Flash Player"

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• Your home backup strategy

  - by David Pokluda

  What is your recommended backup strategy for home computers? I have two computers - desktop and notebook. All the important data is store on the desktop computer. I am currently using Mozy to backup my data from desktop computer to Mozy servers. What do you use?

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• Wi-Fi connected but can't go to any site

  - by Michael Dy

  My Windows 7 laptop can connect to our Wi-Fi signal, I can sign in on Yahoo! Messenger, but I can't go to any site. I can access the Net on other devices. The issue started a few weeks ago, so I've been troubleshooting since then in vain. There's no virus, and I already used System Restore. In Wireless Network Connection Status, the received activity is greater than the sent activity. I turned off Windows Firewall and still no Net access. My ping tests: How do I fix this?

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• Automate backing up e-mails in Outlook Express

  - by Michael Itzoe

  My client is a small business (three employees) that uses Outlook Express. They'd like to back up their email. I showed them how to export, but they balked at that. Is there a way I can automate exporting email? They already have a batch file they use that zips a copy of their data and I'd like to be able to add something to that to include email. Is this possible?

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• Apache is running but there is no page displayed

  - by Michael Ozeryansky

  I am on a Mac OSX and I am using the built in PHP and Apache2. I have been setting up MySQL and finally when I got MySQL working my local site won't display. Do note that I did have the web server running and delivering PHP enabled pages, just no database connection. But my question is not about MySQL. I have changed various settings in the 'http.conf' file, and I have the line: '127.0.0.1 localhost' in my hosts file. I also have other alias' pointing to 127.0.0.1. I have checked everything I could about Apache and I have made sure that any message in the error_log is ok. I currently have my errorLevel set to debug, so I get all the messages. At this point (HOURS of self fixing) I think I need help. What can I provide for someone to figure this out with me. Thanks.

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• Migrating 10-15 Websites Running Linux, LAMP, RoR, WordPress

  - by Michael

  Task is to move 10-15 websites running Linux to new servers hosted by Amazon. These boxes are currently on dedicated servers. Some sites are running WordPress, some have custom CMS, and others might have RoR applications. Unfortunately, there is sparse documentation regarding each site and how services/files are dependent on each other which means there is a lot of detective work that needs to take place. My goal is to properly document each site, what makes them work, etc., so future admins have at least something to work with. Currently my strategy is to download each site so I have a backup of the files then scan through them looking for configuration files -- db connections, apache configs, etc. Then, create a nice spreadsheet with these findings and migrate these out to the new server. My question to ServerFault is this, are there things you would look out for? Easier ways to handle this task that I'm missing? Points will be awarded to answers that help with efficiency. Thanks in advance.

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• How do I paste into the "crosh" terminal in a Chromebook?

  - by David Faux

  I pressed Ctrl + Alt + t while having Chrome open to open a terminal in my Chromebook. How do I paste content into this terminal copied from another tab in Chrome? I have tried Ctrl + v to no avail. I have also tried highlighting text and pasting it via the middle button on my mouse, which failed too. I have also read this article (http://www.servercobra.com/nothing-but-chromebook-for-a-week/) and tried triple clicking my touch pad, but it isn't working for me.

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• Is SharePoint 2010 compatible with Windows 2008 R2 Server Core?

  - by Michael Stum

  Now that Core 2008 R2 added .net support, I wonder if it's possible to run SharePoint 2010 Web Frontends on it? Found some articles saying you can't run it on 2008 Core (no ASP.net support), but haven't found anything about R2 Core.

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• Must have iPad apps [closed]

  - by Michael Ellick Ang

  What apps would you install/buy once you purchase an iPad ? One app per answer please.

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• How to install ac-R mode in emacs?

  - by David

  I have recently added the file ac-R.el to /usr/local/share/emacs/site-lisp, along with (require 'ac-R) to ~/.emacs Now, when I open emacs with --debug-init, I get the error Debugger entered--Lisp error: (void-variable ac-modes) add-to-list(ac-modes ess-mode) eval-buffer(#<buffer *load*<2>> nil "/usr/local/share/emacs/site-lisp/ac-R.el" nil t) ; Reading at buffer position 7191 load-with-code-conversion("/usr/local/share/emacs/site-lisp/ac-R.el" "/usr/local/share/emacs/site-lisp/ac-R.el" nil t) require(ac-R) eval-buffer(#<buffer *load*> nil "/home/dlebauer/.emacs" nil t) ; Reading at buffer position 3548 load-with-code-conversion("/home/dlebauer/.emacs" "/home/dlebauer/.emacs" t t) load("~/.emacs" t t) #[nil "\205\264 and when clicking on load-with-code-conversion, it says Can't find library /usr/share/emacs/23.1.50/lisp/international/mule.el even though I have installed mule via synaptic (I am using Ubuntu 10.04) How can I get the mule library in the right place?

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• NFS or GFS for LVS 10 Server Setup

  - by Michael Robinson

  Currently we have a 10 servers LVS hosting setup. The people we hired to set it up did not anything about GFS which was our preferred Central Storage File System Solution. As we have tight time constraint, we just told them to use whatever they were familiar with which is NFS. I have since done some research and it seems that NFS is not ideal for the type of high traffic site we are hoping to build. I couldn't find much info online about the signaficance differences between the 2. As we to setup all servers again right now, should we stick with NFS or find someone who knows how to setup GFS amd go with that. We need a setup that is highly reliable and scalable as we intend. As after initial setup is done, we expect high increases in traffic and load.

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• Remove folder structure from archive and fix error

  - by Michael

  I am trying to make a script to backup each of my plesk hosts to individual files, I am having two problems: I would like to remove the folder structure from archive, the tar is 3 folders deep I am getting this error: tar: Removing leading `/' from member names The code: FILES=/var/www/vhosts/* FNAME="" for f in $FILES do FNAME=`basename $f` tar cfv "/root/backup/ftp/$FNAME.tar" $f done Sample output: tar: Removing leading `/' from member names /var/www/vhosts/mydomain.com/ /var/www/vhosts/mydomain.com/conf /var/www/vhosts/mydomain.com/etc/ /var/www/vhosts/mydomain.com/etc/group /var/www/vhosts/mydomain.com/etc/termcap /var/www/vhosts/mydomain.com/etc/passwd /var/www/vhosts/mydomain.com/usr/

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• Disable caching on a specific Classic ASP page

  - by David Brunelle

  Hi, Not sure if I really am on the right forum, but if not, just tell me. I have a page that is coded in Classic ASP which is used to send email. We are currently having a problem in which the page seem to be sent twice sometime. Upon checking, we found out that those who have this problem are coming from big organisation, so it was suggested that their server might cache the file for some reason. I would like to know, is there a way in HTML (or Classic ASP) to prevent that from happening? Or is it in IIS that we must set this up? Thanks,

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• How do you manage private queue permissions on a windows server 2008 cluster?

  - by David

  On windows server 2003 there was an option to allow a resource to interact with the desktop, this allowed you to run computer management mmc snap-in on the virtual name of the cluster, allowing you to manage permissions of the private message queues on the cluster. Windows Server 2008 failover clustering has removed that checkbox, so applications can no longer interact with the desktop. My question is then how does one go about managing private queue permissions on the clustered (the virtual name) server?

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• Where did the text of my .html file go in TextEdit on Mac OS X?

  - by David

  I recently created a .html file in TextEdit on my Mac (Mac OS X 10.5.8). I then opened that .html file in my browser and it showed the page I created just fine. I closed the .html file and TextEdit and refreshed the page. It still worked fine. Then I opened up the .html file in TextEdit again and all the text was gone (the page in the browser still works fine though). Where did all the text go?

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• In Jetty, can NCSARequestLog be configured to auto-detect the time zone?

  - by David Moles

  It looks as though in 2003 or so NCSARequestLog would pick up the system time zone using TimeZone.getDefault().getID(), but in more recent versions it seems as though it's hard-coded to GMT, unless you override it in jetty.xml or programmatically. If true, this kind of annoying, since it means if you don't want GMT logging you have to edit jetty.xml for every installation (not to mention twice a year for daylight saving time). Is there a workaround that will let Jetty pick the time zone up from the system? (X-posted to Stack Overflow.)

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• Java 6.0 Virtual Machine re-caches application on every load

  - by David Neale

  I have a Java application which is loaded and cached by the JRE and for most users it only needs to cache once unless the application software has changed. However, I have one computer that caches the entire application every time they load it. It is not the version of the JRE, I have that running on other machines. It also works on this machine if logged in as a local admin, just not as a standard user. Does anybody have any ideas on what might be causing this?

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• How seriously should I take ECC correctable error warnings?

  - by David Mackintosh

  I have a pile of Sun X2200-M2 servers. These servers have ECC memory. In some of these servers, I am getting warnings in the eLOM about "correctable ECC errors detected", eg: # ssh regress11 ipmitool sel elist 1 | 05/20/2010 | 14:20:27 | Memory CPU0 DIMM2 | Correctable ECC | Asserted 2 | 05/20/2010 | 14:33:47 | Memory CPU0 DIMM2 | Correctable ECC | Asserted ...some more frequently than others. The kernel on this particular system is throwing EDAC errors as well, although with far more frequency than the eLOM is recording ECC events: EDAC k8 MC0: general bus error: participating processor(local node response), time-out(no timeout) memory transaction type(generic read), mem or i/o(mem access), cache level(generic) MC0: CE page 0x42a194, offset 0x60, grain 8, syndrome 0xf654, row 4, channel 1, label "": k8_edac MC0: CE - no information available: k8_edac Error Overflow set EDAC k8 MC0: extended error code: ECC chipkill x4 error EDAC k8 MC0: general bus error: participating processor(local node response), time-out(no timeout) memory transaction type(generic read), mem or i/o(mem access), cache level(generic) MC0: CE page 0x48cb94, offset 0x10, grain 8, syndrome 0xf654, row 5, channel 1, label "": k8_edac MC0: CE - no information available: k8_edac Error Overflow set EDAC k8 MC0: extended error code: ECC chipkill x4 error Now if the server is detecting Uncorrectable ECC, the system resets, so clearly that's bad and removing/replacing the identified stick or pair corrects the issue. But I am thinking that if the error is Correctable, then there's no immediate issue -- I can treat this as a warning and be prepared to pull the stick/pair if an uncorrectable error starts occurring?

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• How would I modify this ffmpeg command to include 4 videos?

  - by Michael Shnitzer

  Say I had 4 videos with the following names: Main Video.mov Top Left.mov Top Right.mov Top Mid.mov and I wanted to have "Main Video" play with a picture in picture effect with boxes of videos playing in the top left, top right and top mid. Each box would have the video that is similarly named. This command will do picture in picture for 2 videos, with one video in the lower right. ffmpeg -i 2013-07-31\ 231548.MOV -vf "movie=2013-07-31\ 231722.MOV, scale=iw/5:ih/5 [small]; [in][small] overlay=main_w*0.77:main_h*0.77 [out]" -strict -2 output.mov Can someone help me update this command to work with the 4 files I mentioned above? Thanks

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• Postfix does not work after setting server hostname from plesk

  - by Michael

  I have recently set my server hostname from localhost.localdomain to xx.mydomain.com from the plesk control panel. However after doing this change postfix has stopped working, I tried restarting and regenerating the config files but to no avail. I am not familiar with postfix but I believe there is a setting to be changed in main.cf. Here are the relevant errors I receive: postfix/postfix-script: starting the Postfix mail system postfix/master: daemon started -- version 2.8.4, configuration /etc/postfix postfix/cleanup: fatal: host/service localhost/12768 not found: Name or service not known postfix/pickup: warning: maildrop/E5559996219: error writing 4FA2C996217: queue file write error postfix/master: warning: process /usr/libexec/postfix/cleanup pid 15334 exit status 1 postfix/master: warning: /usr/libexec/postfix/cleanup: bad command startup -- throttling Any ideas? EDIT Setting it back to localhost.localdomain makes it work again. The only references to localhost/12768 I can find in main.cf are: smtpd_milters = inet:localhost:12768 non_smtpd_milters = inet:localhost:12768 Should something be changed here? These two lines stay the same when I change the hostname. EDIT If I comment out the two mail filter lines (the ones shown above) and restart, postfix works with the new hostname. However this is obviously not the ideal solution...

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• How to stop pptpd even when there are active vpn client connections?

  - by Michael Z

  After issued command to stop pptpd, the pptpd won't stop until all the VPN client has disconnected. The following code shows pptpd is still running after issuing the stop command. ubuntu@ip-10-138-31-87:~$ sudo /etc/init.d/pptpd stop Stopping PPTP: pptpd. ubuntu@ip-10-138-31-87:~$ ps -ef |grep pptpd root 5524 1 0 21:46 ? 00:00:00 pptpd [<myIp>:8544 - 0000] root 5525 5524 0 21:46 pts/1 00:00:00 /usr/sbin/pppd local file /etc/ppp/pptpd-options 115200 192.168.0.1:192.168.0.234 ipparam <myIP> plugin /usr/lib/pptpd/pptpd-logwtmp.so pptpd-original-ip <myIP> ubuntu 5564 4668 0 21:50 pts/4 00:00:00 grep --color=auto pptpd After all the active vpn client connections were disconnected mannually, the pptpd then stops. Is there a way that pptpd can be forced to stop even there are active vpn client connections?

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• Windows 7 and XP Networking

  - by David-Zazeski

  I'm trying to setup a home network between a windows 7 and windows xp machine. I have a small hub. My XP computer has a manually assigned IP address (192.168.0.10) and I set my Windows 7 machine to have a manually assigned IP address (192.168.0.15). The XP computer works, but the Windows 7 machine does not see the network. It says that there is no connectivity. Ping does not work from either machine. Does anyone have any suggestions?

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• How do I re-enable fast user switching

  - by David Waters

  I am running Windows7 RC1, I have recently installed CheckPoint VPN SecureClient (http://www.checkpoint.com/products/vpn-1_clients/) to connect to my work network. On installation this appears to have disabled Fast User Switching. You will notice "Switch user" is now greyed out. I tried some googleing first and the most popular solution is to remove a registry entry at HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon \ GinaDLL I have no entry there. Any ideas? Thanks.

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• Which kerberos flavor?

  - by Michael Lowman

  So I'm setting up a small network with all the standard stuff (files, email, etc.) and I've decided to go with a Kerberos+LDAP solution. Any ideas or recommendations on Heimdal vs. MIT? I've used MIT before, and tangentially Heimdal, but I don't really know of any real reason for using one over the other. I just know that I'd prefer not to realize I'd rather be running MIT after getting the whole Heimdal up and running with a full user database. If any other info'd be useful, I'm happy to provide.

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• Single file changed: intrusion or corruption?

  - by Michaël Witrant

  rkhunter reported a single file change on a virtual server (netstat binary). It didn't report any other warning. The change was not the result of a package upgrade (I reinstalled it and the checksum is back as it was before). I'm wondering whether this is a file corruption or an intrusion. I guess an intrusion would have changed many other files watched by rkhunter (or none if the intruder had access to rkhunter's database). I disassembled both binaries with objdump -d and stored the diff here: https://gist.github.com/3972886 The full dump diff generated with objdump -s is here : https://gist.github.com/3972937 I guess a file corruption would have changed either large blocks or single bits, not small blocks like this. Do these changes look suspicious? How could I investigate more? The system is running Debian Squeeze.

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