RHEL

lsof is a command meaning "list open files", which is used to report a list of all open files and the processes that opened...

Access control list (ACL) provides an additional, more flexible permission mechanism for file systems. It is designed to assist with UNIX file permissions. ACL...

There are many commands which can be used in Linux to check CPU information. The information includes details about the processor, its vendor name,...

What is IP Address? An Internet Protocol address (IP address) is a unique identifier assigned to each device connected to a computer network that uses...

netstat (network statistics) is a command-line network tool that displays network connections for Transmission Control Protocol (both incoming and outgoing). It is also monitor...

Users and groups are used on GNU/Linux for access and control to the system's files, directories, and peripherals. So, Every Linux user must know...

OrientDB is an open source NoSQL database management system written in Java. It is a Multi-model database, supporting graph, document, key/value, and object models...

System Activity Report (SAR) is a Unix System monitor command used to report on various system loads. So it including CPU activity, memory/paging, interrupts,...

RabbitMQ is an open-source message-broker software (sometimes called message-oriented middleware) that originally implemented the Advanced Message Queuing Protocol (AMQP) and has since been extended...

Mautic is open source marketing automation software written in PHP. Mautic is a web based application provides Graphical User Interface. It allows you to...