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"I'm glad someone's finally giving ed the attention it deserves."- Ken Thompson, co-creator of Unix Let me be perfectly clear: ed is the standard Unix text editor. If you don't …
"I think we're gonna need a bigger web server." OpenBSD has a solid reputation for security and stability. It's well known for the OpenSMTPd mail server, the LibreSSL cryptography …
Filesystems for everything FreeBSD includes many special-purpose filesystems. FreeBSD Mastery: Specialty Filesystems takes you through these filesystems, helping you solve problems …
Sudo: You're Doing It WrongUnix-like operating systems use a rudimentary access control system: the root account can do anything, while other users are peasants with only minimal …
Pluggable Authentication Modules: Threat or Menace?PAM is one of the most misunderstood parts of systems administration. Many sysadmins live with authentication problems rather …
Sudo: You're Doing It WrongUnix-like operating systems use a rudimentary access control system: the root account can do anything, while other users are peasants with only minimal …
"One of the best technical writers in the networking and security environments." - Midwest Book ReviewSecure Shell (SSH) lets sysadmins securely manage remote systems. It's …
SNMP (Simple Network Management Protocol): four lies in one acronym?It's baroque. It's arcane. And it's everywhere.SNMP is one of those system management skills that people acquire …