CentOS

protected server

How to Install mod_evasive Apache Module

The mod_evasive Apache module is used to protect web servers against distributed denial of service attacks and other brute-force attacks. It helps to prevent excessive requests from a single IP…

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How to Enable mod_rewrite Apache module on CentOS

mod_rewrite is an Apache module that provides URL rewriting functionality. It allows webmasters to modify URLs before the request is processed by the server. In CentOS, mod_rewrite may not be…

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How to Install Wine on CentOS

Wine is a compatibility layer that allows running Windows applications on Linux and Unix-like operating systems. It can be used to run many popular Windows applications on CentOS. In this…

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How to List User Groups on CentOS

In CentOS, groups are used to manage user permissions and access to files and directories. It is important to know the groups to which a user belongs, especially when managing…

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How to Install Java Development Kit (JDK) on CentOS

Java Development Kit (JDK) is a software development environment used for developing Java applications and applets. It includes the Java Runtime Environment (JRE), a compiler (javac), a documentation generator (javadoc),…

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How to Upgrade from CentOS 7 to CentOS 8

Upgrading your CentOS system from version 7 to version 8 involves a series of steps that ensure a smooth transition between the two releases. CentOS 8 introduced new features, improved…

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How to Upgrade from CentOS 6 to CentOS 7

Upgrading from CentOS 6 to CentOS 7 is a significant process, as there are many changes between these two major releases, including the adoption of Systemd, updated software versions, and…

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How to Upgrade Linux Kernel on CentOS

The Linux kernel is the core component of any Linux-based operating system. It is responsible for managing system resources, hardware, and providing essential services to applications. CentOS is a popular…

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How to Install bcmath extension of PHP on CentOS

BCMath is a PHP extension that provides arbitrary precision mathematics functions, including basic operations like addition, subtraction, multiplication, and division, with support for numbers of any size and precision. If…