Boot hangs for 30 seconds at “Begin: Running /scripts/local-premount”

• 原因16.04升级到18.04
• 解决方法。
• open /etc/initramfs-tools/conf.d/resume
• replace RESUME=UUID=xxx with RESUME=none
• issue sudo update-initramfs -u
• reboot your system

源https://askubuntu.com/questions/1034359/boot-hangs-for-30-seconds-at-begin-running-scripts-local-premount