Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base


‘wc’: Print newline, word, and byte counts

‘wc’ counts the number of bytes, characters, whitespace-separated words, and newlines in each given FILE, or standard input if none are given or  for a FILE of ‘-‘.  Synopsis:      wc [OPTION]… [FILE]…


Solaris DNS : Types of DNS Servers

Types of DNS servers 1. Root Servers: Root servers are positioned at the top or root of the DNS hierarchy, and maintain data about each of the top-level zones. The root servers are maintained by the NIC and have been moved to a common domain for consistent...


Solaris SDS : Both Submirrors go into ‘Needs Maintenance’ when I/O is performed but no disk errors seen

The following is the Sample SVM(Solaris Volume Manager) configuration of the layered soft partition. d50: Soft Partition Device: d100 State: Okay Size: 10485760 blocks (5.0 GB) Extent              Start Block              Block count 0                        1                 10485760 d100: Mirror Submirror 0: d101 State: Okay Submirror 1: d102 State: Okay...

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