Archive for the 'OpenBSD' Category

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• Howto: Connect MySQL server using C program API under Linux or UNIX

  From my mailbag:
  How do I write a C program to connect MySQL database server?
  MySQL database does support C program API just like PHP or perl.
  The C API code is distributed with MySQL. It is included in the mysqlclient library and allows C programs to access a database.
  Many of the clients in the MySQL source distribution [...]

• What is the difference between password and passphrase under OpenSSH with DSA / RAS public key authentication?

  Recently I received an interesting question from one my regular reader:
  What is the basic and important difference between password and passphrase when implementing SSH with DSA/RAS public key authentication? Which one is recommended for daily usage?

  The main and basic difference is that you can use multi string phrase including spaces and tabs using a passphrase [...]

• Download of the day: OpenBSD 4.1

  OpenBSD 4.1 has been released:
  We are pleased to announce the official release of OpenBSD 4.1. This is our 21st release on CD-ROM (and 22nd via FTP). We remain proud of OpenBSD’s record of ten years with only two remote holes in the default install. As in our previous releases, 4.1 provides significant improvements, including new [...]

• OpenBSD FP Firwall Howto and tutorial

  PF is OpenBSD’s stateful packet filter firewall. PF is developed on OpenBSD, but has been ported to many other operating systems. It is the only firewall that supports both IPv4 and IPv6 traffic filtering:
  A recent linux.com story highlighted the wonderfulness of OpenBSD’s spamd with an empasis on greylisting. This tutorial, field tested at user groups [...]

• Understanding Unix and Linux permissions

  I’ve already written about Unix or Linux commands for changing user rights.
  This guide will refresh your UNIX or Linux permissions:
  Most mortals who deal with *nix systems occasionally get confused about file and directory permissions. Sometimes it’s the order of the read, write, and execute bits.
  Other times it’s the octal stuff, or maybe how [...]

• Howto shape or restrict bandwidth under Linux / UNIX / BSD

  There is a program called trickle. It is a portable lightweight userspace bandwidth shaper. It can run in collaborative mode (together with trickled) or in stand alone mode.
  trickle works by taking advantage of the unix loader preloading. Essentially it provides, to the application, a new version of the functionality that is required to send and [...]

• Howto install and configure OpenBSD spamd

  OpenBSD’s spamd is a SPAM deferral daemon which rejects false mail in a very efficient way. spamd is a fake MTA or mail daemon which rejects false mail. It is designed to be very efficient so that it does not slow down the receiving machine.
  For large email server I put spamd infront [...]

• Download of the day: pidgin instant messaging for Linux, BSD, MacOS X, and Windows

  Gaim is a multi-protocol instant messaging (IM) client for Linux, BSD, MacOS X, and Windows. It is compatible with AIM and ICQ (Oscar protocol), MSN Messenger, Yahoo!, IRC, Jabber, Gadu-Gadu, SILC, Novell GroupWise Messenger, Lotus Sametime, and Zephyr networks.
  Say hello to Pidgin
  Now Gaim changes name to Pidgin and releases version 2.0. According to the Gaim [...]

• Understanding and using GNU GCC Compiler Parameters

  The GNU Compiler Collection (GCC) includes C, C++, Fortran and other programming languages. GCC was originally written by Richard Stallman in 1985. GCC is the only compiler you can find under wild verity of operating systems / hardware architectures (CPU).
  gcc gives us many useful options to make our code into whatever we like. By understanding [...]

• OpenBSD bcw driver and GPL stolen code / violation issue

  I don’t wanna get into BSD vs GPL war here. If I were GPL guy (Michael) I’d prefer to talk other BSD guy in private first regarding this issue. Following is email posted by Michael Buesch:
  I, Michael Buesch, am one of the maintainers of the GPL’d Linux wireless LAN driver for the Broadcom chip [...]

Viewing 31-40 of 86 posts.
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