You are currently viewing the personal blog of Wiras Adi, a web designer and application developer, located in Jakarta, Indonesia.
Archive for entries tagged as security.
  • Using sudo to Execute root-privileged Commands

    One of most frequently asked questions I find in the web development mailing list is “How can I execute a root-privileged commands from my scripts?”. I found this question so often that I think it would be worthy for me to write this entry. There are several solutions for this situation however, and each comes [...]

    On March 10, 2008.
    In category:
    System Administration
    Tagged as:
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    Has 2 responses so far.

  • Simple Text-based CAPTCHA Implementation

    Spambots are automated scripts that crawl on the net searching for URLs containing some kind of application forms – such as forums, guestbooks, or comment form on popular blogs -, and then automatically posting whatever its initial launcher (spammer) wants everybody to know. It usually carries commercial messages, offers, or simply just site promotions. This [...]

    On February 3, 2008.
    In category:
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    Has 11 responses so far.