Advanced Search

Shell Stop User Processes

/ Published in: Bash
Save to your folder(s)

Expand | Embed | Plain Text

Copy this code and paste it in your HTML 
  1. #!/bin/sh
  2. # Alexis Megas, 2005.
  3. # Alexis Megas, 02/24/2007. Removed clear call.
  4. # Alexis Megas, 07/04/2007. Direct errors to /dev/null.
  5. # A script that allows the superuser to CONTINUE or STOP another
  6. # user's processes. The script runs in both interactive and
  7. # non-interactive modes.
  8.  
  9. # stop_user_processes.sh [-f] -c -u userid (CONTINUE)
  10. # stop_user_processes.sh [-f] -s -u userid (STOP)
  11.  
  12. force=0
  13. usage="usage: stop_user_processes.sh -c|-s -u USERID [-f(orce)]"
  14.  
  15. while getopts cfsu: options 2> /dev/null
  16. do
  17.     case $options in
  18. 	c) sig="-CONT"
  19. 	   ;;
  20. 	f) force=1
  21. 	   ;;
  22. 	s) sig="-STOP"
  23. 	   ;;
  24. 	u) userid=$OPTARG
  25. 	   ;;
  26. 	\?) echo "$usage"
  27. 	    exit 1
  28. 	    ;;
  29.     esac
  30. done
  31.  
  32. if [ -z "$userid" -o $OPTIND -ge 6 ]
  33. then
  34.     echo "$usage"
  35.     exit 1
  36. fi
  37.  
  38. answer=""
  39.  
  40. for pid in `ps -U $userid -o pid 2> /dev/null | tail +2 2> /dev/null`
  41. do
  42.     name="`ps -U $userid -o pid,comm 2> /dev/null | grep \" $pid \" 2> /dev/null | awk '{print $2}' 2> /dev/null`"
  43.  
  44.     if [ -z "$name" ]
  45.     then
  46. 	continue
  47.     fi
  48.  
  49.     if [ $force -eq 0 -a "$answer" != "a" ]
  50.     then
  51. 	if [ "$sig" = "-STOP" ]
  52. 	then
  53. 	    echo "Stop $pid ($name)? [a/n/q/y]: \c"
  54. 	else
  55. 	    echo "Continue $pid ($name)? [a/n/q/y]: \c"
  56. 	fi
  57.  
  58. 	read answer
  59.  
  60. 	while [ "$answer" != "a" -a "$answer" != "n" -a "$answer" != "q" \
  61. 		-a "$answer" != "y" ]
  62. 	do
  63. 	    if [ "$sig" = "-STOP" ]
  64. 	    then
  65. 		echo "Stop $pid ($name)? [a/n/q/y]: \c"
  66. 	    else
  67. 		echo "Continue $pid ($name)? [a/n/q/y]: \c"
  68. 	    fi
  69.  
  70. 	    read answer
  71. 	done
  72.  
  73. 	if [ "$answer" = "n" ]
  74. 	then
  75. 	    continue
  76. 	elif [ "$answer" = "q" ]
  77. 	then
  78. 	    exit 0
  79. 	fi
  80.     fi
  81.  
  82.     kill $sig $pid 2> /dev/null
  83.  
  84.     if [ $? -eq 0 ]
  85.     then
  86. 	if [ "$sig" = "-STOP" ]
  87. 	then
  88. 	    echo "$pid ($name) stopped."
  89. 	else
  90. 	    echo "$pid ($name) continued."
  91. 	fi
  92.     else
  93. 	if [ "$sig" = "-STOP" ]
  94. 	then
  95. 	    echo "Error stopping $pid ($name)."
  96. 	else
  97. 	    echo "Error continuing $pid ($name)."
  98. 	fi
  99.     fi
  100. done
  101.  
  102. exit 0
  103.  

Report this snippet


Comments

RSS Icon Subscribe to comments

You need to login to post a comment.