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  • How to configure Dovecot to not serve large emails to high-latency clients?

    - by Daniel Quinn
    I have a Dovecot mailserver running at home on a flaky cable connection. For the most part, the IMAP functionality works beautifully, but I'd like to add one feature if I can: I want Dovecot not to serve large messages to high-latency clients. That is to say, if someone decides that it's a good idea to send me a 9.3mb email to me, I don't want to get it unless I'm on my LAN at home. This can't be an uncommon request, but I'm having trouble finding the configuration option in their documentation. Any ideas and/or good keywords to use in Googling would be awesome.

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  • What sites track your open source contributions?

    - by Daniel
    I know there's at least one site where you can register the open source projects you are involved with, indicate your committer name, and it will display the lines contributed, and the languages, along a timeline. Unfortunately, I don't recall what site was that. Anyway, can anyone indicate a site that does this?

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  • How to update Sharepoint 2010 user profile for user whose account name has changed in AD?

    - by Daniel Root
    We have an issue with User Profile Sync in SharePoint 2010 when the following happens: A new user is added to AD (ie DOMAIN\jdoh) The user is synched successfully to SharePoint Time passes The user's account name is changed in AD (ie because it was originally misspelled: DOMAIN\jdoe) The user is re-synced to SharePoint The behavior appears to be that the account name is not changed. In the above example, accountname will continue to be DOMAIN\jdoh in SharePoint, though other properties are synced correctly- I would assume by SID. This means that the users' my profile and mysite links still refer to the 'old' name (ie Person.aspx?accountname=Domain\jdoh). What steps should be taken to fix this in SharePoint when an account name is changed in AD?

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  • Can USB Hubs affect peripheral performance?

    - by Daniel Rasmussen
    Like many laptops, mine has 2 USB 2.0 ports. I'm looking to purchase a USB hub for my peripheral devices. I'm also planning on purchasing a laptop cooler with two USB powered fans, which connects to a USB port but can extend the plug, so it doesn't use one up. (Sorry for the poor description; see the link for a picture.) My questions are these: Can one plug 'too many' peripherals into a USB port? Can I plug my fans into a port, then the hub into the fans, then my keyboard and mouse, mic, and webcam into the extender..? Is it possible to draw too much power from a port? Secondly, will a USB hub affect the performance of any of my devices? I'm mostly worried about my mouse and keyboard. I like wired mice because I've noticed some lag in my Bluetooth mouse.

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  • Should I Return My iPhone?

    - by Daniel
    got an iPhone 3G S about 20 days ago. That means I can return it no problem for the next 10 days. Should I return it, wait about 6 weeks, and get the iPhone 4.0 instead? I also put about $25 towards accessories but I could probably sell them for $15. Is it worth it not having it for those 6 weeks? Or should I just go with the free update, keep my screen protectors and case, and "survive" without the phone. What new features will come with the phone? My understanding is that most of the features will be part of the upgrade. My other option will probably be to give it back and then when they make the official announcement, buy the 3G S for maybe $99 if they drop the price that much.

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  • nginx: php-fastcgi running but php files not executing

    - by Daniel
    I have recently set up a nginx server with PHP running as FastCGI process. The server is running with HTML files however PHP files are downloading instead of displaying and PHP code is not processed. This is what I have in nginx.conf: server { listen 80; server_name pubserver; location ~ \.php$ { root /usr/share/nginx/html; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html$fastcgi_script_name; include fastcgi_params; } } The command netstat -tulpn | grep :9000 displays the following which indicates php-fastcgi is running and listening on port 9000: tcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN 2663/php-cgi If it's if any importance my server is running on CentOS 6 and I installed nginx and PHP using the repositories from The Fedora Project.

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  • Use Windows Briefcase from the command line

    - by Daniel
    I have a thumb drive on which I take many of my files with me. I would like to synchronize it with my computer automatically when I connect it. I currently have a script run every time I connect it so that I can do the many things that need to be done when it connects (check for updates to the portable applications, etc.). I want my synchronization utility to: Detect conflicts work correctly when I move files or change the folder structure tell the difference between a file that was deleted on one side and a file that was added on the other work from the command line or at least have a command that will open up a window provide a confirmation screen before doing anything The Windows Briefcase does all of these except the command line. Is there any program that does all of these, or is there a way to synchronize the briefcase from the command line?

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  • cant send using postfix from external ip address

    - by daniel
    i have postfix set up as a satellite to listen on port 587 i can send email outside fine trough the postfix(ubuntu) box from the local network with no problems when i try to connect to the postfix(ubuntu) box from a external ip and send mail it spits back a 554 5.7.1 Relay access denied error i can telnet to it fine, just cant send mail this is my main.cf : smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no readme_directory = no smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = smtp_use_tls = no myhostname = cotiso-desktop alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = mydomainname.com, cotiso-desktop, localhost.localdomain, localhost relayhost = smtp.mydomainname.com mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all inet_protocols = all there is no security set up yet, i'm just trying to get it working first any ideas? thanks in advance

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  • How can I display additional boot and shutdown information on the Windows 7 welcome screen?

    - by Daniel Saner
    There is a small tweak, I believe it is a registry key, that allows to display additional information on the Welcome and Shutting down screens of Windows 7 (and most likely Vista, too). I have activated this tweak on one of my systems; unfortunately I forgot how I did it, and I can't seem to find the website that originally gave me that information. Usually, the Windows 7 welcome screen will just display "Welcome" when logging in. With the tweak activated, my Welcome screen gives status information such as "Loading user settings" or "Preparing desktop". When shutting down, the default screen simply says "Shutting down". With the tweak activated, it gives additional status information such as "Stopping Windows services". This appears the same way that Windows gives information when updates are installed or configured during the startup or shutdown procedure, and I find them quite helpful in getting a feel for what task takes how long during that process. The only setting I was able to find is the Boot log checkbox on the Boot tab of the msconfig application. However, this results in Windows displaying console logs of drivers it is loading, etc., instead of the animated Windows title. This is NOT the setting I am looking for. The "additional boot information" setting that I have activated on this system still displays the regular animated Windows logo, and only replaces the strings displayed on the blue Welcome and Shutdown screens. Could someone direct me to the registry key (or whatever setting) that is used to get this behaviour? Edit: Here are a few pictures of the enhanced Welcome and Shutdown screens taken with my mobile phone—they're in German though. Login screens "Waiting for User Profile Service" and "Preparing desktop": Logout screen "Stopping Windows services":

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  • Why is mcrypt not included in most Linux distributions?

    - by Daniel Lopez
    libmcrypt is a powerful encryption library that is very popular with PHP-based applications. However, most Linux distributions do not include it. This causes problems for many users that need to download and compile it separately. I am guessing that the reason it is not shipped is related to encryption or patent issues. However, the source code for library itself is hosted and available on sourceforge.net I have been searching unsuccessfully for a document of authoritative post that explains the exact issues why this extension is not bundled with mainstream distributions. Can anyone provide a pointer to such material or provide an explanation?

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  • How to Eliminate Tape Backup and Off-site Storage Service?

    - by Daniel Lucas
    PLEASE READ UPDATE AT THE BOTTOM. THANKS! ;) Environment Info (all Windows): 2 sites 30 servers site #1 (3TB of backup data) 5 servers site #2 (1TB of backup data) MPLS backbone tunnel connecting site #1 and site #2 Current Backup Process: Online Backup (disk-to-disk) Site #1 has a server running Symantec Backup Exec 12.5 with four 1TB USB 2.0 disks. BE jobs for full backups run nightly on all servers in site #1 to these disks. Site #2 backs up to a central file server there using software they already had when we purchased them. A BE job pulls that data nightly to site #1 and stores them on said disks. Off-site Backup (tape) Connected to our backup server is a tape drive. BE backs up the external disks to tape once a week which gets picked up by our off-site storage company. Obviously we rotate two tape libraries, one is always here and one is always there. Requirements: Eliminate the need for tape and off-site storage service by doing disk-to-disk at each site and replicating site #1 to site #2 and vice versa. Software based solution as hardware options have been too pricey (ie, SonicWall, Arkeia). Agents for Exchange, SharePoint, and SQL. Some Ideas So Far: Storage DroboPro at each site with an initial 8TB of storage (these are expandable up to 16TB at present). I like these because they are rackmountable, allow disparate drives, and have iSCSI interfaces. They are relatively cheap too. Software Symantec Backup Exec 12.5 already has all the agents and licenses we need. I'd like to keep using it unless there is a better solution, similarly priced, that does everything BE does plus deduplication and replication. Server Because there is no more need for a SCSI adapter (for tape drive) we are going to virtualize our backup server as it is currently the only physical machine save for SQL boxes. Problems: When replicating between sites we want as little data as possible to go across the pipe. There is no deduplication or compression in what I have laid out here so far. The files being replicated are BE's virtual tape libraries from our disk-to-disk backup. Because of this each of those huge files will go across the wire every week because they change every day. And Finally, the Question: Is there any software out there that does deduplication, or at least compression, to handle just our site-to-site replication? Or, looking at our setup, is there any other solution that I am missing that might be cheaper, faster, better? Thanks. Sorry so long. UPDATE 2: I've set a bounty on this question to get it more attention. I'm looking for software that will handle replication of data between two sites using the least amount of data possible (either compression, deduplication, or some other method). Something similar to rsync would work but it needs to be native to Windows and not a port involving shenanigans to get up and running. Prefer a GUI based product and I don't mind shelling out a few bones if it works. Please, answers that meet the above criteria only. If you don't think one exists or if you think I'm being to restrictive keep it to yourself. If after seven days there is no answer at all, so be it. Thanks again everyone. UPDATE 2: I really appreciate everyone coming forward with suggestions. There is no way for me to try all of these before the bounty expires. For now I'm going to let this bounty run out and whoever has the most votes will get the 100 rep points. Thanks again!

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  • Best Secure Encryption for Zip Files via Linux

    - by Daniel
    I want to use highly secure encryption for zipped files via Linux/Ubuntu using a command line terminal, what is the best command line tool to get this job done? zip -e -P PASSWORD file1 file2 file3 file4 Or 7za a file.7z *.txt -pSECRET What encryption is used and how secure is it?

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  • Backup solutions for Rackspace Cloud Sites

    - by Daniel A. White
    What options do I have for backing up the content from a Rackspace Cloud Sites including files and databases? I know they have cron jobs, but I am not sure what options I have when it comes to that. Here are some of the things the Cron jobs they support. http://cloudsites.rackspacecloud.com/index.php/How%5Fdo%5FI%5Fschedule%5Fa%5Fcron%5Fjob%3F

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  • Windows repair console, impossible?

    - by Daniel
    I found an old Windows XP SP2 in my -trash- cd can and tried it on a 30 GB FAT32 partition. Installation went fine till the copying operation was completed and XP asked for reboot. After that either it starts over again or throws invalid disk. Starting over is an infinite loop the only way I see is to choose the "Repair console" but I'm not used to a DOS box. Can anyone help me through this harmful installation?

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  • Using two Cisco Aironet 1100's

    - by daniel
    Is it possible to use two of these both providing connectivity to the same network name for additional signal by having one plugged into a hot data port and having the other only powered by the AC? It seems to have worked for one day, then it stopped and I have the middle light blinking, and the other "hot" one solid in the middle and flashing rapidly on the last light.

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  • Why are some PNGs open in Photoshop with Indexed Colors and no transparency?

    - by Daniel Beardsley
    Why are some 32 bit PNGs opened in Photoshop with Indexed Colors and no transparency? For instance, I grabbed a png icon file of the Stack Overflow logo at: http://blog.stackoverflow.com/wp-content/uploads/icon-so.png When opening it in Photoshop CS3, it apparently treats it as indexed color and gets rid of the alpha channel. The image on the right is a screen grab of the icon. Changing the Image mode in Photoshop to RGB doesn't change the image at all. I've tried this with a few other PNGs and it seems hit or miss. When viewed in other programs, it displays fine. left:png opened in Photoshop, right:screen grab of png from browser What gives?, does Photoshop not interpret the PNG file format correctly?

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  • Hyper-V Ubuntu 10.04, Filesystem suddenly becomes Read-Only?

    - by Daniel Upton
    We are running a Ubuntu 10.04 VM on a Hyper-V system, The VM is dedicated to running one of our web applications. We have enabled the Hyper-V drivers in /etc/initramfs-tools/modules like so: hv_vmbus hv_storvsc hv_blkvsc hv_netvsc And updated the kernel image like so: $ update-initramfs -u And all was good... until.. This morning i got a support request that our web application was throwing an error 500, so i checked the logs and nothing was there. Then I remembered that I had seen this on another of our ubuntu servers so I... $ touch foo.txt And my suspicions were confirmed: touch: cannot touch `foo.txt': Read-only file system Why is the filesystem randomly becoming readonly? Is this only in Ubuntu on HV? Is it a problem on RedHat or Cent?

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  • How do I perform an action if the upstart respawn limit is hit?

    - by Daniel Huckstep
    I have an upstart job: description "foreman" start on runlevel [2345] stop on runlevel [06] respawn respawn limit 3 60 chdir /home/deploy/app/current env RAILS_ENV=production exec sudo -u deploy bundle exec foreman start We ran into a case where a rogue character in an app file caused one of the background workers to fail but the app ran normally (weird). The app worked fine, but the workers were never working. I'd like upstart to do something (send an email) if it can't start this job, since it's not entirely obvious if everything went alright. Is there something built into upstart to handle this, or do I have to get creative?

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  • File not updating in symlink'd folder in IIS

    - by Daniel Short
    I have the following setup: Site1/Shared/ - Physical folder Site2/Shared/ - symlink using mklink to Site1/Shared I've updated a javascript file in Site1/Shared/scripts, and the change is being reflected on Site1. However, the change is not being reflected through IIS on Site2. When I open Site1/Shared/scripts/common.js and Site2/Shared/scripts/common.js, they match exactly. But when I view the files through Safari, Firefox, Chrome, IE, from any machine (even machines that have never visited the sites), the change is not reflected on Site2. Here are URLs to the files to review: Site 1: http://www.landsofamerica.com/shared/scripts/common.js Site 2: http://www.landsoftexas.com/shared/scripts/common.js These files look exactly the same when logged onto the server, and the shared folder under landsoftexas.com is a symlink created using mklink to the shared folder under landsofamerica.com. Any idea what might be causing IIS to serve the wrong file?

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  • Cfengine Perform action based on variable value

    - by Daniel
    In cfengine, I have a variable that is set to the output of a command. Let say variable myoutput is set to "hi world". How can I execute a command based on the contents of myoutput. I would like to do something like this (sudo cfengine code): bundle agent test { vars: "myoutput" string => execresult("echo 'hi world';","noshell"); commands: myoutput=="hi world":: "/usr/bin/php myaction.php"; }

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  • How is it possible that I can do a host lookup but not a curl?

    - by Daniel Quinn
    Has anyone ever seen this before? Note that this happens not only with google.com, but with every domain I try. It's a wireless connection (WEP), but I'm not sure how that would be relevant: $ curl -v google.com # This takes about 60s to return * getaddrinfo(3) failed for google.com:80 * Couldn't resolve host 'google.com' * Closing connection #0 curl: (6) Couldn't resolve host 'google.com' $ host google.com google.com has address 209.85.148.106 google.com has address 209.85.148.147 google.com has address 209.85.148.99 google.com has address 209.85.148.103 google.com has address 209.85.148.104 google.com has address 209.85.148.105 google.com mail is handled by 30 alt2.aspmx.l.google.com. google.com mail is handled by 40 alt3.aspmx.l.google.com. google.com mail is handled by 50 alt4.aspmx.l.google.com. google.com mail is handled by 10 aspmx.l.google.com. google.com mail is handled by 20 alt1.aspmx.l.google.com. $ cat /etc/resolv.conf # Generated by NetworkManager nameserver 192.168.1.201 $ cat /etc/hosts 127.0.0.1 localhost ::1 localhost $ netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 wlan0 127.0.0.0 127.0.0.1 255.0.0.0 UG 0 0 0 lo 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0

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