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- Support for Debian/Ubuntu
  - get dist from /etc/issue or /etc/debian_version
  - get arch from uname -m

    1: #!/usr/bin/perl
    2: #
    3: # The LearningOnline Network with CAPA
    4: #
    5: # $Id: distprobe,v 1.15 2009/06/28 14:22:04 raeburn Exp $
    6: #
    7: # Copyright Michigan State University Board of Trustees
    8: #
    9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   10: #
   11: # LON-CAPA is free software; you can redistribute it and/or modify
   12: # it under the terms of the GNU General Public License as published by
   13: # the Free Software Foundation; either version 2 of the License, or
   14: # (at your option) any later version.
   15: #
   16: # LON-CAPA is distributed in the hope that it will be useful,
   17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   19: # GNU General Public License for more details.
   20: #
   21: # You should have received a copy of the GNU General Public License
   22: # along with LON-CAPA; if not, write to the Free Software
   23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   24: #
   25: # /home/httpd/html/adm/gpl.txt
   26: #
   27: # http://www.lon-capa.org/
   28: #
   29: 
   30: my $dist='default';
   31: if (-e '/etc/redhat-release') {
   32:     open(IN,'</etc/redhat-release');
   33:     my $versionstring=<IN>;
   34:     chomp($versionstring);
   35:     close(IN);
   36:     if ($versionstring =~ /^Red Hat Linux release ([\d\.]+) /) {
   37:         $version = $1;
   38:         if ($version=~/^7\./) {
   39:             $dist='redhat7';
   40:         } elsif ($version=~/^8\./) {
   41:             $dist='redhat8';
   42:         } elsif ($version=~/^9/) {
   43:             $dist='redhat9';
   44:         }
   45:     } elsif ($versionstring =~ /Fedora( Core)? release ([\d\.]+) /) {
   46: 	my $version=$2;
   47: 	if ($version - int($version) > .9) {
   48: 	    $dist = 'fedora'.(int($version)+1);
   49: 	} else {
   50: 	    $dist = 'fedora'.int($version);
   51: 	}
   52:     } elsif ($versionstring =~ /Red Hat Enterprise Linux [AE]S release ([\d\.]+) /) {
   53:         $dist = 'rhes'.$1;
   54:     } elsif ($versionstring =~ /Red Hat Enterprise Linux Server release (\d+)/) {
   55:         $dist = 'rhes'.$1;
   56:     } elsif ($versionstring =~ /CentOS release (\d+)/) {
   57:         $dist = 'centos'.$1;
   58:     } elsif ($versionstring =~ /Scientific Linux SL release ([\d\.]+) /) {
   59:         $dist = 'scientific'.$1;
   60:     } else {
   61:         warn('Unable to interpret /etc/redhat-release '.
   62:              'to determine system type');
   63:     }
   64: } elsif (-e '/etc/issue') {
   65:     open(IN,'</etc/issue');
   66:     my $versionstring=<IN>;
   67:     chomp($versionstring);
   68:     close(IN);
   69:     if ($versionstring =~ /^Ubuntu (\d+)\.\d+/i) {
   70:         $dist = 'ubuntu'.$1;
   71:     } elsif ($versionstring =~ /^Debian\s+GNU\/Linux\s+(\d+)\.\d+/i) {
   72:         $dist = 'debian'.$1;
   73:     } elsif (-e '/etc/debian_version') {
   74:         open(IN,'</etc/debian_version');
   75:         my $version=<IN>;
   76:         chomp($version);
   77:         close(IN);
   78:         if ($version =~  /^(\d+)\.\d+\.?\d*/) {
   79:             $dist='debian'.$1;
   80:         } else {
   81:             warn('Unable to interpret /etc/debian_version '.
   82:                  'to determine system type');
   83:         }
   84:     } else {
   85:         warn('Unable to interpret /etc/issue '.
   86:              'to determine system type');
   87:     }
   88: } elsif (-e '/etc/debian_version') {
   89:     open(IN,'</etc/debian_version');
   90:     my $version=<IN>;
   91:     chomp($version);
   92:     close(IN);
   93:     if ($version =~  /^(\d+)\.\d+\.?\d*/) {
   94:         $dist='debian'.$1;
   95:     } else {
   96:         warn('Unable to interpret /etc/debian_version '.
   97:              'to determine system type');
   98:     }
   99: } elsif (-e '/etc/SuSE-release') {
  100:     open(IN,'</etc/SuSE-release');
  101:     my $versionstring=<IN>;
  102:     chomp($versionstring);
  103:     close(IN);
  104:     if ($versionstring =~ /^SUSE LINUX Enterprise Server ([\d\.]+) /i) {
  105:         $dist='sles'.$1;
  106:     } elsif ($versionstring =~ /^SuSE Linux ([\d\.]+) /i) {
  107:         $dist = 'suse'.$1;
  108:     } elsif ($versionstring =~ /^openSUSE ([\d\.]+) /i) {
  109:         $dist = 'suse'.$1;
  110:     } else {
  111:         warn('Unable to interpret /etc/SuSE-release '.
  112:              'to determine system type');
  113:     }
  114: } else {
  115:     warn('Unknown installation: expecting a debian, suse, or redhat system');
  116: }
  117: print $dist;