SSL certificate contains information about subject to whom the certificate has been issued. It includes organization name, organizational unit name, common name, etc. SSL certificate also contains serial number, expiration...

A self-signed SSL certificate is a certificate that is not signed by a trusted certificate authority (CA). A self-signed certificate commonly used for testing purposes or internal usage. This tutorial...

In Linux system, a group is a collection of users which have the same permissions on files and directories. When working as system administrator, might need to add or remove...

In Linux system, a group is a collection of users which have the same permissions on files and directories. When working as system administrator, might need to delete a group...

In Linux system, a group is a collection of users which have the same permissions on files and directories. When working as system administrator, might need to create a group...

Renaming a directory is one of the most basic operation which can be performed in the operating system. This tutorial provides 2 methods how to do that on Windows. Method...

Log files are dynamic and their content changes frequently in time. To monitor log files, their content should be watched when it changes. This tutorial demonstrates how to watch a...

When processing files via command line on Windows, may need to insert a text at the beginning of a file. This tutorial demonstrates how to do that on Windows. Create...

The echo command allows to print text in the terminal on Windows. By default, echo command adds a new line character to output. In some cases, it can be undesirable...

System reboot may be required to finish application installation, apply configuration changes or troubleshooting issues. Reboot can reset all processes, free up memory, remove temporary files, etc. This tutorial shows...