The open UNIX operating systems FreeBSD and Linux Mandrake both have integrated shell security systems. The FreeBSD program is located in /etc/security. The Mandrake Security Package for Linux can be found in /usr/share/msec. These standard tools are similar in functionality, but they limit the file system integrity control to files with SUID and SGID flags. But Mandrake calculates MD5 file checksums differently from FreeBSD.more...
UNIX system administration, always a thorny problem, is easier with the right tools. In this installment , Teodor presents ideas on the use of Perl to streamline and foolproof system administration. The system configuration engine, cfengine, is an extremely important tool in this context.
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