How to hash files in Windows 10 into a file

Getting the MD5 hash of a file on Linux is very easy. However, in Windows, there are several utilities, but using Windows internally inbuilt command certutil, it can be done as follows in the Windows shell:

C:\>for /r %%f in(x) do (certutil -hashfile “%%f” MD5) >> output.txt

output.txt will contain the files . . . → Read More: How to hash files in Windows 10 into a file

How to debloat, remove crapware from Xiaomi Redmi Note 5 Pro smartphone

Never look a gift horse in the mouth..

If you are one of those who is a technology connoisseur and love to compare specifications of smart phones before making a purchase decision, you need to be aware that the Xiaomi Redmi Note 5 Pro with 6 GB Internal RAM, best display and camera is . . . → Read More: How to debloat, remove crapware from Xiaomi Redmi Note 5 Pro smartphone

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

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 . . . → Read More: 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 . . . → Read More: Recover encrypted ecryptfs home folder from encrypted dm-crypt luks disk volume

How to restore TWRP recovery after encrypting internal storage on LineageOS 14.1 on Motorola G 2014 (titan)

I installed LineageOS 14.1 on an old Motorola G 2nd Generation (2014) android phone, also known as titan. All went well and it worked like a charm.

I wanted to encrypt the internal storage and accordingly, did so from the Settings -> Security option on the phone. It worked well and said the phone was . . . → Read More: How to restore TWRP recovery after encrypting internal storage on LineageOS 14.1 on Motorola G 2014 (titan)

How to enable Developer options or menu on an Android Phone

On the phone, select Settings -> About Phone. Locate the option called Build number and press on it 7 times in succession.

You will then find that Developer Options is enabled in the About Phone menu.

How to put phone into USB Debugging mode from Developer Options

First enable Developer Options.

On the phone, select Settings -> About Phones -> Developer Options. Locate an option named Android debugging and change the toggle to On.

The phone will now be in USB Debugging mode.

Error installing or upgrading flashplugin-installer

Error installing or upgrading flashplugin-installer Can’t drop privileges for downloading as file ‘/var/lib/update-notifier/package-data -downloads/partial’

Start up synaptic and install flashplugin-installer. Error will not appear. There is a difference in apt-get install flashplugin-installer and synaptic, that apt-get does not run with full privileges, whereas for synaptic to install packages you are asked to enter your password . . . → Read More: Error installing or upgrading flashplugin-installer

How to install LineageOS on Samsung Tab P-3110

I had installed CyanogenMod on a Samsung Tab P-3110 a while ago. It was KitKat, and served it’s purpose well. The Samsung Tab P-3110 was fully functional, with a very good Privacy Guard feature and above all, “root”.

After CyanogenMod’s demise, LineageOS version 13.0, a Marshmallow version afforded the opportunity to upgrade the ROM from . . . → Read More: How to install LineageOS on Samsung Tab P-3110

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