Scenario Video – Understanding Unix User Administrator Operations
Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
3 Command to perform Character level Operation on Files
1 . tr Command ‘tr’: Translate, squeeze, and/or delete characters Synopsis: tr [OPTION]… SET1 [SET2] ‘tr’ copies standard input to standard output, performing one of the following operations:
3 Commands to operate on File fields
1. cut Command ‘cut’ writes to standard output selected parts of each line of each input file, or standard input if no files are given or for a file name of ‘-‘. Synopsis: cut OPTION… [FILE]… In the table which follows, the BYTE-LIST, CHARACTER-LIST, and FIELD-LIST...
Working with kpartx Command in Red Hat Enterprise Linux
This tool, derived from util-linux’ partx, reads partition tables on specified device and create device maps over partitions segments detected. It is called from hotplug upon device maps creation and deletion. kpartx [-a | -d | -l] [-v] wholedisk Usage Example To mount all the partitions...
Working with mdadm Command in RHEL7
Introduction RAID devices are virtual devices created from two or more real block devices. This allows multiple devices (typically disk drives or partitions thereof) to be combined into a single device to hold (for example) a single filesystem. Some RAID levels include redundancy and so can...
What did we post in September-2015
How are you doing? Below is the quick recap of posts that we published in September
