Tayn baseboard: How to flash motherboard BIOS from Linux.

You’ve finally made the move to a Windows-free computer, you’re enjoying your brand new Linux OS, no trojans/viruses, no slowdown, everything’s perfect. Suddenly, you need to update the BIOS on your motherboard to support some new piece of hardware, but typically the motherboard vendor is offering only DOS based BIOS flash utilities. You panic!...

CentOS: Securing Sendmail with TLS

One of the most common uses of network systems is for e-mail-basedcommunications. As such, a great deal of attention has been given to securing e-mail systems. Howe ver, most of this focus has been in two areas – security at the message level, using PGP or S/MIME, and confidentiality in the authentication process for...

Linux Network Admin : SENDMAIL: sendmail’s options

Опции sendmail Пакет sendmail имеет ряд параметров, которые позволяют Вам настраивать выполнение ряда задач. Я рассмотрю лишь основные,полный перечень огромен. Чтобы конфигурировать любые из этих параметров, Вы можете определять их в файле конфигурации m4, что является предпочтительным методом, или вставлять их непосредственно в файл sendmail.cf. Например, если нужно, чтобы sendmail запускал новый процесс для...

Where to put the check_* rulesets in sendmail

check_* in .mc Usually the 1sendmail.cf file should be built from a 1.mc file with help of the m4 macro language processor . Use the supplied HACKs or put the rules(e.g.,check_mail or check_rcpt ) as given into the .mc file. Make sure that you have the CODE>LOCAL_CONFIG and 1LOCAL_RULESETS in front of the respective...

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