Linux, Windows, Security, Programming, Network Tutorials
A cookie is a file which is created by the web sites we have visited with our browser. This file or cookie contains some information about us and our visit for the specific web site. Cookies are very popular mechanisms used by web sites or web applications to store information and nearly every site creates … Read more
Globally Unique Identifier (GUID) is a pseudo-random string which consists of 32 letters, numbers (0-9), and 4 hyphens to separate letters. These letters are randomly generated. In probability theory, this value is unique and can be used as a secret and session cookie, etc. Example GUID The following line provides a GUID. as we can … Read more
While developing applications or using services or mounting disks in Linux systems we may see the term UUID or 128-bit number which might seem interesting. UUID is a 128-bit number that is used to identify things like name, record, disk whatever we want. Uniqueness Of UUID What makes UUID so special or interesting is its … Read more
Generating random numbers can seem odd. But it is very important for security. Insecurity field whatever best cipher or algorithm you use if you can’t generate random numbers it is useless from point of view of security. So how can we generate random numbers in a Linux environment? Generate With urandom File urandom is a device … Read more