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I am working on a program/script in which I wanted to write in Perl. However, this is not possible since I want to keep the source code secure instead of releasing it open source. I want to release the program in a compiled form in which the source code cannot be revealed. Is Java a viable...

I am running BIND 9.2.4 and am having a problem. I am trying to include another .conf file but am getting an error every time I try. I edited /etc/named.conf (Im also on a Fedora Core 3 box) and added this: include "/usr/share/mysite/named.conf"; However, when I issue the command (over SSH)...

How can I make my Tk window always stay on top, no matter what other windows are open? The Tk window is a window that displays advertisements (NOT spyware or adware in case youre wondering), and I need it to always be on top of other windows. I also need it, when activated, to "push"...

Is it possible to embed an Internet Explorer window inside of a Perl/Tk widget? Basically, I am writing a program that I want to display a small advertisement window at the bottom, but I want it to be displayed using IE and point to a specific URL. If that is not possible, it it possible to...

Is it possible in Perl to create a script that can read the "random images" that are sometimes used in registration and posting forms on websites? Like the ones that contain a few numbers that change each time the page is loaded, and the user has to type them into a box to make sure it is a...

I cannot get my perl scripts to work if they use any modules. For example, take the following script (test.pl): use Digest::MD5; print Digest::MD5::md5_hex("Some text"); print "\n"; When I compile it with the command: perlcc test.pl It tells me: /tmp/ccl0Jfet.o: In...

I was wondering if I embedded my Perl script code in a C program using ExtUtils::Embed and then compiled the C program, would this be a secure way of protecting my source code? Is it at least reasonably secure? What are the possible (and probable) ways that someone could retrieve the Perl...

I am using Archive::Tar to make a backup of some files and directories on my server. This works fine: $archive->add_files("/etc/SOMEFILE"); IF, SOMEFILE is actually a file and not a directory. However, when I try to add a directory like so...

Is GnuPG illegal in the United States? For instance, if I have a web server that uses GnuPG to encrypt emails sent to and from it, and this web server is located in the United States, is this illegal? Also, what if I use GnuPG for personal use on my home PC? - Ben

I am running an online service that allows users to upload images to my website. Instead of storing the pictures on my website as .jpg or something of that sort, how can I instead store them in a table in my MySQL database? ANd then, how do I retrieve them and display them in the browser? I am...

I am using the Rijndael cipher (utilizing CBC) to encrypt credit card numbers to store on a server (in the future). However, I was wondering what the best way is to store the key for the encryption/decryption. I thought of simply storing it as plaintext in a MySQL database where my web...

I recall reading about a database that you could install into Perl (probably using a DBD:: driver), but it wasnt really a database like mySQL or mSQL. Instead, you could specify the absolute path to a file where the driver would create the tables, etc. for you, without the need to actuallly...

I want to know how to redirect someone to a webpage, but send POST information along with them. I know that I could use the GET method like this: print "Location: http://www.somesite.tld/somescript.pl?key1=value1&key2=value2\n"; However, sometimes there might be more information...

I want to create a user using a Perl script using the 'useradd' command (on Red Hat Linux). However, I also want to set the password when I issue the command, such as: useradd SOMEUSER -p SOMEPASSWORD The problem is that SOMEPASSWORD has to be encrypted when it is passed to useradd and I do...

I am trying to read a file (that I know exists and is readable, called 'EXISTING_IMAGE.jpg') and then simply print it back out to the browser via a Perl script. I am using the following code: print "Content-type: image/gif\n\n"; # Read the image...

I am trying to figure out the best encryption/decryption algorithm to use when storing client's credit card numbers (for a website). I will store the numbers in a MySQL database, but was wondering what algorithm to use. Could anybody give any suggestions? - Ben

Could someone tell me of a program or website out there that can Encrypt and/or Encode Perl scripts? - Ben

I have 2 tables (for instance): BOOKS ---------------------------------- book_id An ID number author title BOOK_SIZE ---------------------------------- book_id The ID number from BOOKS size i.e. Large, Small, etc...

I want CRON to read a file and execute the commands in that file just like it would using crontab. However, I want to be able to specify where the file is (for example: /etc/MYPROGRAM/jobs.cron) Any idea how I can do this? - Ben

I have 2 dates in YYYYMMDDHHmmSS format. I know that $time1 is LESS THAN $time2, but I need to know how I can figure out how many MINUTES there are until $time1 reaches $time2. Is there a module or some mathematical way to do this? - Ben