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

How to permanently set kernel boot options on an installed OS (not wubi) – grub

Before doing the steps below, take a backup. To permanently change the default kernel boot options, press ALT+F2 or open a terminal from system > accessories > terminal. Type in the following command: $ gksudo gedit /etc/default/grub <enter>

A text editor will open with the grub configuration file. Near the top of that file you . . . → Read More: How to permanently set kernel boot options on an installed OS (not wubi) – grub

you may need to re-run your boot loader[grub]

If you get above message when upgrading the linux kernel in Ubuntu, open a terminal window and do following to fix it: $ sudo update-grub <enter>

Recover from Grub 2 / boot corruption or crash in Fedora 16

Ubuntu 11.10 install using the Upgrade Now option corrupted tbe Fedora 16 /boot/grub2/grub.cfg file. To recover it, this is what can be done:

Boot from the DVD or the Net Installation version. Note that the Live CD will not help. Select the Troubleshoot menu option and from within that, select the Rescue menu option One . . . → Read More: Recover from Grub 2 / boot corruption or crash in Fedora 16

Rescue Fedora 15 System if you only have the Live CD

Most of us install Fedora 15 from the Fedora 15 Live CD. The live CD, makes it easy to install the Operating System to your computer’s hard disk, but it does not have the feature as in the normal DVD to rescue your computer.

To enable rescue, without downloading the whole 3.3 GB Fedora 15 . . . → Read More: Rescue Fedora 15 System if you only have the Live CD

How to Dual Boot Fedora and Ubuntu

Linux users who have experienced setup issues with their systems, when enabling dual boot between Linux distributions, Ubuntu 10.10 and Fedora 13. You can learn how to overcome the problem.

Basic Requirements

Fedora 13 CD or DVD that can be downloaded from http://fedoraproject.org Ubuntu 10.10 CD or DVD that can be downloaded from http://www.ubuntu.com

Problem . . . → Read More: How to Dual Boot Fedora and Ubuntu

Lock any OS with Grub

# grub-md5-crypt

Edit grub.conf and add the following password line as shown below.

# vi /boot/grub/grub.conf title Other password –md5 rootnoverify (hd0,0) chainloader +1

Exercise due caution before trying this out. Ensure you backup your system.

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