How to fix global nodemon node package install error on Linux

To install nodemon globally on Linux, below command:$ npm install -g nodemon <enter> will not work as it requires root privileges. If it is installed with :$ sudo npm install -g nodemon <enter> it will install on the local machine in the root folders. If we do not want to install it globally on our … Continue reading How to fix global nodemon node package install error on Linux →

How to create and use LUKS encrypted partition in Linux

It is easy to create a LUKS container and a partition within it, using the GUI on Linux. The application that enables this easily is the gnome-disk-utility. However, if you want to use the command line to set up a LUKS encrypted device, read on. Exercise appropriate caution before doing any of the below with … Continue reading How to create and use LUKS encrypted partition in Linux →

How to fix initramfs-tools error when updating it

Below error appears when updating the initramfs-tools: Processing triggers for initramfs-tools (0.130ubuntu3.8) …update-initramfs: Generating /boot/initrd.img-5.1.0-15-genericI: The initramfs will attempt to resume from /dev/dm-1I: (/dev/mapper/vg0-swap)I: Set the RESUME variable to override this. Before proceeding beyond this point, take a data backup. This error usually occurs if the computer had dual booting and a swap file that … Continue reading How to fix initramfs-tools error when updating it →

How to add user with encrypted home folder in Xubuntu 18.04 LTS or Ubuntu 18.10

After a long while, upgraded from Xubuntu 16.04 LTS to Xubuntu 18.04 LTS and was in for a surprise. No encrypted home folder. Support for this was dropped as ecryptfs-utils was no more maintained by it's maintainer. However, fret not. Encrypted home folders can still be created as below. Make sure you take a backup … Continue reading How to add user with encrypted home folder in Xubuntu 18.04 LTS or Ubuntu 18.10 →

Recover encrypted ecryptfs home folder from encrypted dm-crypt luks disk volume

Whew... saved by the skin of teeth. The grub2 bootloader of my computer got corrupt. I was not able to boot into the computer and all was lost. For security reasons, I set up LVM with full disk encryption. Thereafter, each user's home folder was further encrypted with ecryptfs (the default you get when you … Continue reading Recover encrypted ecryptfs home folder from encrypted dm-crypt luks disk volume →

How to change UID & GID in Linux for any user

As the commands entered below have the potential to cause inaccessibility to files or data, make sure you have taken a data back up first. Once you have backed up your data, proceed as follows. Do not proceed further if you are not confident or aware of what you are doing. Proceed as below at … Continue reading How to change UID & GID in Linux for any user →

How to add user to sudoers or the adm group on Ubuntu Linux

Use the following command in a terminal window to modify a user's rights on Linux to make them a member of the adm group$ sudo usermod -a -G sudo,adm username <enter> where username is the name of the user who you want to make a sudoer.

How to enable and disable root user in Ubuntu 14.04 LTS

If you ever need to enable the root user in Ubuntu 14.04 LTS linux installation, you can do so as follows:Open a terminal window and type the following commands:$ sudo su -c <enter># passwd root <enter> Enter a strong password and restart the computer. To make sure that you can login as root, open a … Continue reading How to enable and disable root user in Ubuntu 14.04 LTS →