How to speed up starting of Ubuntu 19.04 on the Dell Inspiron 5580

Open a terminal windows in linux and enter the following commands:

$ sudo apt-get purge snapd* <enter>

Above command removes snapd.

$ sudo systemd-analyze blame <enter>

Also, found the plymouth-quit-wait.service takes very long time in boot. To eliminate the problem, enter following commands:

$ sudo vi /etc/default/grub . . . → Read More: How to speed up starting of Ubuntu 19.04 on the Dell Inspiron 5580

Error when opening a LUKS encrypted container file /dev/loop0 Device or resource is busy on Ubuntu 18.10 Gnome Desktop

When you enter the command below in a terminal window:

$ sudo /sbin/losetup /dev/loop0 /home/user1/folder1/containerdatafile <enter>

Device error or resource busy error message appears and the device is not setup.

The reason is that /dev/loop0 is taken by snap.

To overcome the error, change /dev/loop0 to something else like /dev/loop35

Or, if you do not . . . → Read More: Error when opening a LUKS encrypted container file /dev/loop0 Device or resource is busy on Ubuntu 18.10 Gnome Desktop

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