Namespace

• pid namespace
  • Trouble Cases
    • PID Namespace 的 Main process 结束 与 zombie child process
      • 问题
      • 情况调查
        • PID Namespace pid tree
          • zap_pid_ns_processes 卡的问题调查
        • IO 相关线程 Uninterruptible Sleep (D) 状态
          • 直接原因 Ceph full
          • top 状态
          • 列出所有 D 状态的线程
          • 列表所有 D 状态的内核 statck
      • 参考
    • PID1 in containers
      • What is PID 1
      • PID 1 in containers
      • When PID 1 dies
        • do_exit()
        • exit_notify()
        • forget_original_parent()
        • find_child_reaper()
        • zap_pid_ns_processes()
      • Conclusion
• Network Namespace
  • Fun with network namespaces, part 1
    • Creating a network namespace and looking inside
    • Getting the loopback interface working
    • Virtual network interfaces: connecting the namespace
    • Connecting the namespace to the outside world with NAT
    • Running a server with port-forwarding
    • Running a second server in a separate namespace
    • Summing up