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DNSThe world's most successful distributed database-and the most na ve.The Domain Name System is one of the Internet's oldest protocols, designed for a network without hostile …
"I'm glad someone's finally giving ed the attention it deserves."--Ken Thompson, co-creator of UNIXLet me be perfectly clear; ed is the standard Unix text editor. If you don't know …
"Many users assume that their advanced filesystem is better than UFS because they have so many features-snapshots, checksums, compression, sophisticated caching algorithms, and so …
Pluggable Authentication Modules: Threat or Menace?PAM is one of the most misunderstood parts of systems administration. Many sysadmins live with authentication problems rather …
"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 …
SNMPSimple Network Management Protocolfour 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 by …
"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 …