How to convert PostScript script to a .ps file for viewing in PDF viewer or to PNG

Reading about Gerard Huet's paper on the geometry of the Shri Yantra available in PDF format at this link http://pauillac.inria.fr/~huet/SKT/sanskrit.html.orig, I was prompted to try out the Postscript code he had in and Appendix in the paper. After typing the code into a .txt file, the file did not render using Evince or a PDF … Continue reading How to convert PostScript script to a .ps file for viewing in PDF viewer or to PNG

How to install Linux Mint on Crucial MX500 SATA SSD drive on Dell Vostro 3546 laptop after BIOS upgrade

The humble Dell Vostro 3546 is an old laptop from 2014, which came with an Intel 4th Generation 4210U processor, 1 TB SATA 5400 rpm hard disk and 4 GB DDR3 (low voltage) 1.35V RAM. It worked fine till now even when it ran Linux Mint 20.3 with Blender 3D. However, everytime an Android app … Continue reading How to install Linux Mint on Crucial MX500 SATA SSD drive on Dell Vostro 3546 laptop after BIOS upgrade

Email: [Firebase] Client access to your Cloud Firestore database expiring in X day(s)

The easiest way to overcome this expiry is to change the date in the rules after logging into the account:match /{document=**} {// from previous date 2020, 11, 11 to new date 2021, 12, 11allow read, write: if request.time < timestamp.date(2021, 12, 11);} However, do note that it is important to drop access using this method … Continue reading Email: [Firebase] Client access to your Cloud Firestore database expiring in X day(s)

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 fix error while updating repositories in Ubuntu or Linux Mint

On entering the apt-get update command, the following errors appeared. Reading package lists… DoneW: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/InRelease Cannot initiate the connection to dl.google.com:80 (2414:6221:4109:825::210a). - connect (101: Network is unreachable) Could not connect to dl.google.com:80 (2xx.5x.2xx.2xx), connection timed outW: Some index files failed to download. They have been ignored, or old ones used instead. … Continue reading How to fix error while updating repositories in Ubuntu or Linux Mint

Error bd_crypto_luks_open_blob called but not implemented when opening Luks Encrypted volume in Lubuntu

Below error appears in Lubuntu 18.04 LTS bd_crypto_luks_open_blob called, but not implemented when opening Luks Encrypted volume using PCManFM, the Lubuntu File Manager. To overcome this error, open a terminal window and enter the commands below: $ sudo apt install libblockdev-crypto2 <enter> $ systemctl restart udisks2.service <enter>

Error installing ttf-mscorefonts-installer Failed to fetch

Error installing ttf-mscorefonts-installer Failed to fetch https://excellmedia.dl.sourceforge.net/project/corefonts/the fonts/final/andale32.exe  404  Not Found When you get above error while installing ttf-mscorefonts-installer, then you can resolve by opening a terminal window and entering the following commands: $ wget -c http://ftp.de.debian.org/debian/pool/contrib/m/msttcorefonts/ttf-mscorefonts-installer_3.6_all.deb -P ~/Downloads <enter> $ sudo apt install ~/Downloads/ttf-mscorefonts-installer_3.6_all.deb <enter> Now it will install fully. Remember this file is … Continue reading Error installing ttf-mscorefonts-installer Failed to fetch

Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found

Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found takes a very long time to start the emulator and finally returns with an error. To resolve the above error, do following: $ sudo apt-get install lib64stdc++6 <enter> Then create a link to the new 64 bit libraries … Continue reading Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found