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


What problems will Puppet Solve ?

DevOps: A very popular term now a days in IT industry which includes new revolutionary approach and tools like Jenkins, Travis, Chef, Ansible, Cfengine, Mesos, AWS, OpenStack, Dockers and many many more. Puppet is also one of the most popular tool used in the DevOps approach...


4 Linux Command to Display Selected Parts of File Contents

head command::           Output the first part of files. tail command::             Output the last part of files. split command::           Split a file into pieces. csplit command::          Split a file into context-determined pieces.


‘head’: Output the first part of files

‘head’ prints the first part (10 lines by default) of each FILE; it reads from standard input if no files are given or when given a FILE of ‘-‘. Synopsis:   head [OPTION]… [FILE]… If more than one FILE is specified, ‘head’ prints a one-line header...

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