- my @argv=('flock',dir_top_abs_disk(),'bash','-c',$cmd.' >&2');
+ # Do not: dir_top_abs_disk(),
+ # to prevent: flock: cannot open lock file /home/lace/www/www.jankratochvil.net: Is a directory
+ my @argv=('flock',dir_top_abs_disk()."/WebConfig.pm",'bash','-c',$cmd.' >&2');