![]() ![]() Click Run and wait for First Aid to finish checking ad repairing. Here, the first time measurement is only for the activity that was first drawn and the total time measurement begins at the app process start, and could include another activity that was. Choose the startup disk and click First Aid at the top of the Disk Utility window. Select Disk Utility from the four macOS utilities in Recovery Mode. Are you in the grub menu when you "select Ubuntu to boot?" what happens once you've selected it? Or are you referring to the grub picking a default OS - in that case /etc/default/grub will help. Heres how to run First Aid to check the startup disk: Boot your MacBook in macOS Recovery Mode. Alternatively, can you elaborate a little more. Third - 10s wait: I'm not actually sure that grub is your villain here, but hopefully the above will help you figure out if it is. REMEMBER TO MAKE A BACKUP BEFORE YOU CHANGE SYSTEM FILES :D ![]() ![]() So if you want your changes to stick you need to edit /etc/default/grub. Efficient video codecs, such as H.264 and H. Using efficient video codecs can significantly reduce video startup time in video streaming. This is important, because grub.cfg gets updated when there's a kernel update or other things that might affect grub. Ways to Reduce Video Startup Time in OTT Streaming Use Efficient Video Codecs. Grub2 uses the file /etc/default/grub to get all its options and then generates grub.cfg for you. Second - Grub: Editing /boot/grub/grub.cfg is probably not the way to go. If you haven't used nano before, once you're done editing use Ctl-O (the letter) to save and then Ctl-X to exit (the Ctl-O is optional, Ctl-X will prompt if there were changes) If I'm editing from the commandline, I like nano, which is installed by default, so I would use $ sudo nano /boot/grub/grub.cfg Not sure if I have a complete answer as I have a few more questions.įirst - Permissions: you would normally need sudo to edit grub.cfg. ![]()
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