Netwok Time Protocol

• Using NTP to Control and Synchronize System Clocks - Part I: Introduction to NTP [PDF], 20 pages
  
• Using NTP to Control and Synchronize
  System Clocks - Part II: Basic NTP Administration and Architecture [PDF], 23 pages
  
• Using NTP to Control and Synchronize
  System Clocks - Part III: NTP Monitoring and Troubleshooting [PDF], 28 pages
  

Sorting, Facebook, Google, Temporal Analytics

• Data sorting world record: 1 terabyte, 1 minute
  
• 1,250,000,000 Key/Value Pairs in Redis 2.0.0-rc3 on a 32GB Machine
  
• Scaling Facebook to 500 Million Users and Beyond
  
• Google Teams Up With CIA, Invests in Analytics Firm
  
• Recorded Future – A White Paper on Temporal Analytics
  

SSH, lastlog

• OpenSSH Slow: Hanging at SSH2_MSG_SERVICE_ACCEPT received
  
• lastlog in Solaris
  

Distributed data processing with Hadoop, ...

• Distributed data processing with Hadoop, Part 1 Getting Started
  
• Distributed data processing with Hadoop, Part 2 Going further
  
• Distributed data processing with Hadoop, Part 3 Application Development
  
• Top 10 Performance Problems taken from Zappos, Monster, Thomson and Co
  

Hadoop, Massive Data, Who has the most web servers

• Hadoop at Twitter
  
• Massive data - facebook, yahoo!, twitter, linkedin
  
• Who has the most web servers
  

Oracle /var/tmp/.oracle directory

• /var/tmp/.oracle directory
  
• Beware /var/tmp/.oracle directory
  

Cfengine

• CFengine 3 Tutorial — Part 1 — System Architecture
  
• CFengine 3 Tutorial — Part 2 — Building Software and SMF Manifests / Scripts
  
• CFengine 3 Tutorial — Part 3 — Hello World
  
• CFengine 3 Tutorial — Part 4 — Client failsafe.cf and update.cf
  
• CFengine 3 Tutorial — Part 5 — Client promises.cf and regular cf-agent operation
  
• Victory over security audits
  
• Enterprise system administration using configuration management
  
• Cfengine Manual Guides
  
• Cfengine 3 Tutorial - Neil H. Watson
  
• Cfengine Cookbook