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bmtLinux.md

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Library file Function Sections Content help file
bmtLinux bmtLinuxFunc 401-408 Linux related bmtLinux.md

Section Four, Linux

  • 401 Check package installed
  • 402 Linux distribution family checker
  • 403 Set text editor $EDITOR if not set
  • 404 Log file handler
  • 405 Check if user exists
  • 406 Variable set and/or empty check
  • 407 Run script as root check
  • 408 Check if command exists in system

Sub-Sections

  1. Check package installed

Keyword is checkpac . First option is package name, Second option is type of distro(options are 1 for pacman based, 2 for debian based, 3 for rpm based) Third option is wheter to display message or not include "MES" for verbose output

bmtLinuxFunc  checkpac "firefox"  2  "MES"

Returns 0 for installed , 2 for not installed , 52 for unsupported linux distro

  1. Linux distro family checker
bmtLinuxFunc distrocheck

Returns 2-7 for known distro family groups or 52 for unknown. (2 redhat based, 3 fedora based, 4 debian based, 5 pacman based, 6 gentoo based , 7 slackware based.)

  1. Is text editor variable $EDITOR set?
bmtLinuxFunc isTextEdSet

returns 0 if it was set, 2 if not and sets it to vi

  1. log file handler Creates a log file entry with standard formated date/time stamp.
Option Option description
1 State valid states are EMERGENCY, ALERT, CRITICAL, ERROR,WARNING,NOTICE,INFO,DEBUG,OK,FAILED,PASSED returns 55 for invalid state
2 Message if blank message passed "-- empty log message" appended
3 Filename .log will be appended
4 Path path for log file
5 Echo if "MES" log message will also be echoed to console 
	bmtLinuxFunc log "CRITICAL" "1201 alarm Executive overflow - no vacant areas" mylog /tmp/
	bmtLinuxFunc log "CRITICAL" "1202 alarm Executive overflow - no core sets" mylog /tmp/
	bmtLinuxFunc log "INFO" "62 Watchdog reset" mylog /tmp/ "MES"
  1. Check if user exists Check if user exist on system Returns 0 if exists, 2 if not.
bmtLinuxFunc user "gavin"
echo "$?"
  1. Check if variable is set and is empty Returns 0 if set and non-empty, 2 if set and empty , 3 if unset
bmtLinuxFunc isvarempty varsetfull
echo "$?"
  1. Run Script as root check Returns 2 if not running as root
bmtLinuxFunc runasroot
  1. Check if command exists in system Returns 2 if command does not exist on system.
bmtLinuxFunc iscommand tput
echo "$?"