Ubuntu: How to fix a package that is not upgraded
Sometimes while using terminal and updating packages, you can get result like "0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded", but why 4 packages are not upgraded? The message "0 upgraded, 0 newly installed, 0 to remove, and 4 not upgraded" indicates...
How to solve "Key is stored in legacy trusted.gpg keyring" error
Here we will learn how to solve the error "key is stored in legacy trusted.gpg keyring" on Ubuntu, not only for one package or application but for all cases, you need to follow the pattern while solving this issue. For this case we will use the...
SSL certificates - What are digital certificates?
SSL stands for Secure Socket Layer, though it's been deprecated and replaced by TLS (Transport Layer Security). However, people still use the term SSL certificate to refer to the security technology used on the internet. An SSL certificate is a digital certificate that serves two primary...
Windows and Linux dual boot problems and solutions
Now we will not talk about the actual installation of Windows and Linux. Installation is quite simple, just follow the steps. Install Windows, then Linux and dual boot will be set automatically. If you have problems during the installation itself, write in the comments. Now we...