How to validate digital signature in a document in Linux

In Linux, libreoffice-draw has the ability to open and validate digital signatures. Unfortunately, this functionality is broken as of today in the seahorse or gnome-keyring on LinuxMint 19.2 Tessa. This is due to the Ubuntu repository not having an updated package or a bug in seahorse. Without digging into above, a different program named PDFStudioViewer … Continue reading How to validate digital signature in a document in Linux

Shared hosting and WordPress

WordPress had recently upgraded it's code to work with PHP 7. Subsequently, each time I logged into the hosting provider account, I was always reminded by WordPress to upgrade the WordPress code and stay up to date with the latest security patches. Unfortunately, the hosting provider informed that the latest PHP 7 scripting language could … Continue reading Shared hosting and WordPress

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 with their MD5 … Continue reading 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 a … Continue reading How to debloat, remove crapware from Xiaomi Redmi Note 5 Pro smartphone

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

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 … Continue reading Error installing or upgrading flashplugin-installer

How to report Unsolicited Commercial Communication to TRAI (Unwanted SMS and Calls)

Many times, we receive unwanted SMS or voice calls from people who market services or offer goods when we are registered on the "Do Not Disturb (DND)" lists of the Telecom Regulatory Authority of India (TRAI). These telemarketers do not validate your status on the Do No Disturb database and send you marketing messages or … Continue reading How to report Unsolicited Commercial Communication to TRAI (Unwanted SMS and Calls)

How to install and run Turbo C 2.01 for DOS in DOSBOX in linux

After sooo many years, discovered that students in India were asked to do projects in Turbo C 2.01 in DOS. Amazing, but true! That being the case, you can download Turbo C 2.01 for MS DOS from http://edn.embarcadero.com/article/20841 for free. It is antique software and embarcadero acquired it way back. They offer it as a … Continue reading How to install and run Turbo C 2.01 for DOS in DOSBOX in linux