GUID (Globally Unique Identifier) is a 128-bit number, most of the time represented as a hexadecimal string. It can be used for uniquely identifying components within a system. The term...
A hostname is a unique identifier that is assigned to a device (host) which connected to the network. It provides a way to differentiate one device from another on a...
A hostname is a unique identifier that is assigned to a device (host) connected to the network. It can distinguish one device from another on a specific network. This tutorial...
In the 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 get all...
The routing table is used to show how packets are to be forwarded across the network. This tutorial demonstrates how to get routing table in the Linux.
In Linux systems...
Operating systems provides a way to mount filesystems from devices or image files. It can be useful to view content of the OS image (.img). This tutorial shows how to...
OpenSSL can be used to generate SSL certificates, encrypt and decrypt data, generate hashes or perform other operations related with cryptography. This tutorial shows how to generate a password hash...
When working as system administrator in the Linux, might need to change user password. This tutorial demonstrates how to do that in the Linux.
To change the password of the...
Nginx web server can fail to start if the configuration file contains errors. If any changes were made in a configuration file, it is recommended to check whether syntax is...
Apache web server can fail to start if the configuration file contains errors. If the configuration file was changed, it is recommended to check for errors before restarting the Apache...