distribution Slackware - changes :
- last release downgrade from ‘15.0’ to ‘14.2’
- last url from ‘https://mirrors.slackware.com/slackware/slackware-iso/slackware64-15.0-iso/slackware64-15.0-install-dvd.iso’ to ‘https://mirrors.slackware.com/slackware/slackware-iso/slackware64-14.2-iso/slackware64-14.2-install-dvd.iso’