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  • I never really understood: what is CGI?

    - by claws
    CGI is a Comman Gateway Interface. As the name says, it is a "common" gateway interface for everything. It is so trivial and naive from the name. I feel that I understood this and I felt this every time I encountered this word. But frankly, I didn't. I'm still confused. I am a PHP programmer. I did lot of web development. user (client) request for page --- webserver(-embedded PHP interpreter) ---- Server side(PHP) Script --- MySQL Server. Now say my PHP Script can fetch results from MySQL Server && MATLAB Server && Some other server. So, now PHP Script is the CGI? because its interface for the between webserver & All other servers? I don't know. Sometimes they call CGI, a technology & othertimes they call CGI a program or someother server. What exactly is CGI? Whats the big deal with /cgi-bin/*.cgi? Whats up with this? I don't know what is this cgi-bin directory on the server for. I don't know why they have *.cgi extensions. Why does Perl always comes in the way. CGI & Perl (language). I also don't know whats up with these two. Almost all the time I keep hearing these two in combination "CGI & Perl". This book is another great example CGI Programming with Perl Why not "CGI Programming with PHP/JSP/ASP". I never saw such things. CGI Programming in C this confuses me a lot. in C?? Seriously?? I don't know what to say. I"m just confused. "in C"?? This changes everything. Program needs to be compiled and executed. This entirely changes my view of web programming. When do I compile? How does the program gets executed (because it will be a machine code, so it must execute as a independent process). How does it communicate with the web server? IPC? and interfacing with all the servers (in my example MATLAB & MySQL) using socket programming? I'm lost!! They say that CGI is depreciated. Its no more in use. Is it so? What is its latest update? Once, I ran into a situation where I had to give HTTP PUT request access to web server (Apache HTTPD). Its a long back. So, as far as I remember this is what I did: Edited the configuration file of Apache HTTPD to tell webserver to pass all HTTP PUT requests to some put.php ( I had to write this PHP script) Implement put.php to handle the request (save the file to the location mentioned) People said that I wrote a CGI Script. Seriously, I didn't have clue what they were talking about. Did I really write CGI Script? I hope you understood what my confusion is. (Because I myself don't know where I'm confused). I request you guys to keep your answer as simple as possible. I really can't understand any fancy technical terminology. At least not in this case. EDIT: I found this amazing tutorial "CGI Programming Is Simple!" - CGI Tutorial Which explains the concepts in simplest possible way. I've only have one complaint about this tutorial. Just to make what ever he explained complete he should have shown the C code he used for generating response for those GET / POST requests. I've also added link to this tutorial to Wikipedia's article : http://en.wikipedia.org/wiki/Common_Gateway_Interface

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  • Postfixadmin Invalid Query

    - by Jm Cruz
    This is my first time running a postfixadmin, so in my setup.php, I'm getting this error DEBUG INFORMATION: Invalid query: Unknown column 'create_date' in 'mailbox' I'm running it with MySQL. So if i'm right, my guess is that i need to create a column? under mailbox table on the postfix database? but how or whats the right syntax into creating a timedate column? My knowledge with mysql and postfix are very minimal btw. Thanks in advance.

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  • How to list my blog to google search

    - by messy123
    Hi, i had created a blog in blogspot.com, after few days later i updated. but my blog is not appearing in google search. even if i give the full link of blog its not coming.. i have some other blogs, it works well.. i dont no whats wrong with new one.. can any one know what to do

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  • How to host Exchange mailboxes for another organisation outside of domain?

    - by Jon
    We have a branch office out in another country who currently have their own domain and AD and Exchange Server. We want to look at hosting their Exchange mailboxes so that we can improve presence information through the use of Calenders etc. Whats the best way to do this? Simple VPN connection? Or is there a way to for them to keep their own Exchange Server and mailboxes but view and edit our calenders?

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  • dynamic subdomains problem?

    - by Solomon Saleh
    im trying to add a wildcard subdomain system to my webserver, but its still not working, this is the steps i took: i made a new file vhost.conf in the directory var/www/vhosts/www.kornar.com/conf/vhost.conf and i put ServerAlias *.domain.com then second of all i made a new dns wildcard on plesk CNAME *.domain.com kornar.com and then i edited my .htaccess file Options +FollowSymLinks RewriteEngine on RewriteCond %{HTTP_HOST} ^(^.*)\.kornar.com RewriteRule (.*) user.php?user=%1 normally my url would be http://www.kornar.com/user.php?user=solomon but now i want to like this http://solomon.kornar.com but the steps i took still deosnt work :)) whats happening here

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  • Extra Volumes appearing after using MyDefrag

    - by user17381
    Hi, After using MyDefrag, when I start the defrag again, two new drives have appeared - with very odd names. They are both named the same thing: \\?\Volume{WhatLooksLikeAGUID} Note the Guid (and hence the drive names) are both the same - any idea whats going on here? Thanks. OS: Windows XP Pro SP2.

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  • avconv - not working with movflags

    - by MarKa
    With the Parameter "-movflags frag_custom" my avconv says [mp4 muxer @ 0x8d05f60] [Eval @ 0x7fffcc763f00] Undefined constant or missing '(' in 'frag_custom' [mp4 muxer @ 0x8d05f60] Unable to parse option value "frag_custom" [mp4 muxer @ 0x8d05f60] Error setting option movflags to value frag_custom. But with avconv is compiled with a mp4 muxer, so whats the problem ? Version is avconv 0.8.1-4:0.8.1-0ubuntu1

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  • Tons Of rpc.idmapd errors in syslog

    - by Slamguy
    I am growing weary of some error messages in my syslog - its showing: Jul 3 15:16:38 web rpc.idmapd[14535]: nss_getpwnam: name 'nobody' does not map into domain 'mydomain.com' I have check, my hostname is correct as mydomain.com and I even added a valid entry in /etc/hostname . I have edited my /etc/idmapd.conf to reflect this domain name, this error message log every 10minutes and its becoming frustrating, I do not know why or whats causing it, the nfs server is working ok, with correct entries and now message in the log. I am using centos6 -- Ofcoure, i have substituted mydomain.com with my real domain

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  • How to unblock outgoing HTTP and HTTPS traffic in iptables?

    - by EApubs
    With the following iptable rules, I was unable to do an apt update and ping a website. Whats wrong with the rules? How to fix it? What is the exact rule to fix it? Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:325 DROP all -- anywhere anywhere Chain FORWARD (policy DROP) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination

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  • Permission denied error while import to remote repository via svn...

    - by Usman Ajmal
    Hi I am importing my project to another machine on my LAN to the directory: /srv/svn/repos/my-repo where my-repo was created via svnadmin create option The permissions of /srv/svn/repos/my-repo are drwxr-xr-x 6 svn svn 4096 2010-04-19 17:30 my-repo I executed following command to import myProject files to my-repo on remote system sudo svn import -m "First import" myProject svn+ssh://[email protected]/srv/svn/repos/my-repo This command started 'Adding' files but gave following error after 'Adding' 7 files svn: Can't open file '/srv/svn/repos/baltoros-valgrind/db/txn-current-lock': Permission denied Any idea whats going on...? Thanks a lot

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  • serving a blog at domain.com/blog when dns for domain.com is pointing elsewhere

    - by user143715
    there is a blog hosted on one machine (apache) (currently at blog.domain.com) and we'd like to move it to domain.com/blog. dns for domain.com is pointed at an haproxy machine load balancing a few nginx app servers. the machine hosting the blog is not behind that load balancer. considering i have complete control over the configuration of everything, whats the most straightforward way to get this to submit to my will and have the blog served from domain.com/blog?

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  • Can't Delete file Macbook Pro (Stuck in Trash)

    - by chris
    I dunno when I deleted this file (its an avi), its been in the trash for awhile. Today I went to empty the trash and this one file can't claims to be in use. But I have restarted, shut down my mac several times, I've also used my media player several times since last using that file. So I guess Im trying to find out how to find whats using the file or at least making it appear as such. So I can go about deleting it finally.

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  • Why am i getting these errors from GitHub?

    - by acidzombie24
    I followed these instruction and could not connect to github for the life of me. >plink -ssh github.com FATAL ERROR: Disconnected: No supported authentication methods available plink -ssh [email protected] You've successfully authenticated, but GitHub does not with tortoisegit git.exe push "origin" master ERROR: Permission to name/MyEmptyRepoOnGitHubHere denied to name. fatal: The remote end hung up unexpectedly Whats going on? NOTE: I followed the instructions carefully. It was a lot worse before i followed them.

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  • perf tuning for ESX vmfs3 on RAID

    - by maruti
    looking for recommendations on ESX4 OS - VMFS version3: RAID-5 : matching the stripe size with VMFS block size? (64K, 128K etc) RAID controller options: "adaptive read ahead, write-back" on PERC 6i 90% VMs on server are Windows (2008, 2003, Vista etc, SQL 2005 etc) i have read that smaller stipes are good for writes and larger for reads. Since this is virtual env, not sure whats good.

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  • Finder dying when mac wakes from sleep

    - by doronkatz
    I have this persisting issue where when i put my mac (snow leopard) to sleep on my macbook, whenever i wake the mac, everything is fine besides the Finder. The finder does not open up, none of the folders i click on (via desktop) open up, so ii end up killing my finder via activity monitor and it then resets my folder settings ( i have snap to grid and large icons for example). Whats going on and why is it doing this? Thanks in advance guys

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  • Tutorial on making a picture like this in Photoshop

    - by Saif Bechan
    I always wanted to make a background like this but I could never find a tutorial on this. I also do not know what the effect is called so it makes it even harder for me to find. This is the effect I am talking about, at the background. Does anyone know whats it called, or does anyone have a tutorial on this?

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  • Missing HDD space - says 65GB used, selecting all folders shows 30GB used

    - by Igor K
    Hi Running Windows Server 2008, 74GB raptor drive and noticed we only had about 500MB left - yikes! So deleted some old backups we don't need, but can't track down where about 30GB seems to be taken up. If I go to C: and select all folders and go to properties, this comes to around 30GB but in My Computer I can see 65GB is used. How can I find out whats eating the space? Just IIS + MSSQL Express + Smartermail on the server

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  • Proxy Access to my Squid Proxy

    - by Fake4d
    I have a squid proxy cluster to let my users surf in the internet and on intranet ressources. Now there is a special user, that wants to configure another squid in the net of the users. So this proxy wants to access the internet over a proxy-proxy configuration. It doesnt work at the moment. So here is the question: Whats the configuration line for my squid.conf to allow an IP to use my squid as an upstream proxy?

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  • How do i remove extra noise from word documents

    - by oo
    I am reading a Microsoft word document 2007 and i keep seeing all this extra noise in the document. For example: Instead of seeing a link to google, i will see: {HYPERLINK http://www.google.com} Instead of seeing table of contents, i will see {TOC \0 1-2} any idea whats going on?

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  • adding dynamic subdomains to my webserver?

    - by Solomon Saleh
    im trying to add a wildcard subdomain system to my webserver, but its still not working, this is the steps i took: i made a new file vhost.conf in the directory var/www/vhosts/www.example.com/conf/vhost.conf and i put ServerAlias *.domain.com then second of all i made a new dns wildcard on plesk CNAME *domain.com example.com and then i edited my .htaccess file Options +FollowSymLinks RewriteEngine on RewriteCond %{HTTP_HOST} ^(^.*)\.example.com RewriteRule (.*) user.php?user=%1 normally my url would be http://www.example.com/user.php?user=solomon but now i want to like this http://solomon.example.com but the steps i took still deosnt work :)) whats happening here

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  • perf tuning for vmfs3 on RAID

    - by maruti
    recommendations for ESX4 OS - VMFS version3: matching: RAID-5 stripe size with VMFS block size? (64K, 128K etc) enabled "adaptive read ahead, write-back" on PERC 6i 90% VMs on server are Windows (2008, 2003, Vista etc, SQL 2005 etc) i have read that smaller stipes are good for writes and larger for reads. Since this is virtual env, not sure whats good.

    Read the article

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