How To Create A Strong Password Without Having To Remember It
You can use a hash function, avialable in any operation system, for example sha256sum with a photo or an mp3 file, any file you can easily remember. For example, from…
Easily Compress and/or Encrypt Files in Linux Using 7z Archiver – 7zip ubuntu
p7zip is a port of 7za.exe for POSIX systems like Unix (Linux, Solaris, OpenBSD, FreeBSD, Cygwin, AIX), MacOS X and also for BeOS and Amiga. 7z is an excellent archiving…
Package Management and System Update in Ubuntu Desktop
Ubuntu is based on Debian and all software packages are .deb files. Most software packages are free available from Ubuntu Repositories. Adding and removing software and System Update are critical…
How to Remove Old Kernels in Debian and Ubuntu
After installing a new Linux kernel, old kernels are not automatically deleted. They remain in your disk (/boot partition). You have to delete them manually. Why? The main reason is…
A Simple Guide to Obtain and Install an SSL Certificate
More and more companies use SSL certificates (small data files that digitally bind a cryptographic key) to protect their customers sensitive data, as username, password and credit card number, as…