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- How to protect CentOS servers from cyberattacks
- How to protect CentOS servers from network attacks Nowadays, network security issues are becoming increasingly serious, and server security is one of the key elements for the operation of websites and applications. This article will explain how to protect CentOS servers from network attacks and provide some specific code examples. Update system patches in a timely manner. Vulnerabilities in server operating systems and software are one of the common entry points for hacker attacks. In order to protect the server from known vulnerabilities, it is very important to keep system patches updated. On CentOS, you can use the following command
- Linux Operation and Maintenance 1389 2023-07-08 20:22:37
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- How to use the Fail2ban tool to prevent brute force attempts
- How to use the Fail2ban tool to prevent brute force attempts Introduction: The popularity of the Internet has made network security issues a very important topic. Among them, brute force attempts are one of the common security threats. In order to effectively prevent brute force cracking behavior, we can use the Fail2ban tool to help us implement protective measures. This article will describe how to use the Fail2ban tool to prevent brute force attempts and provide some code examples. 1. Introduction to Fail2ban tool Fail2ban is an open source
- Linux Operation and Maintenance 1910 2023-07-08 19:15:10
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- How to configure your CentOS system to prevent the spread and intrusion of malware
- How to configure your CentOS system to prevent the spread and intrusion of malware In today’s digital age, network security has become more important than ever. Especially for server systems, the spread and intrusion of malware can lead to serious data leaks and operational disruptions. In order to protect CentOS systems from malware, we need to take some necessary security measures. This article explains some configuration techniques and provides corresponding code examples. Keep your operating system and applications up to date with the latest versions to prevent malicious
- Linux Operation and Maintenance 1070 2023-07-08 13:52:39
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- How to configure a CentOS system to restrict user access to system processes
- How to configure the CentOS system to restrict user access to system processes In a Linux system, users can access and control system processes through the command line or other methods. However, sometimes we need to restrict certain users' access to system processes to enhance system security and prevent malicious behavior. This article will introduce how to configure on CentOS systems to restrict user access to system processes. Use PAM configuration to restrict PAM, namely PluggableAuthentication
- Linux Operation and Maintenance 1483 2023-07-08 13:05:06
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- Configuration tips for building Linux parallel computing applications using CMake
- Configuration tips for building Linux parallel computing applications using CMake Developing parallel computing applications under a Linux system is a very important task. In order to simplify the project management and construction process, developers can choose to use CMake as the project construction tool. CMake is a cross-platform build tool that can automatically generate and manage the project build process. This article will introduce some configuration techniques for building Linux parallel computing applications using CMake, and attach code examples. 1. Install CMak
- Linux Operation and Maintenance 1290 2023-07-08 12:43:36
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- How to configure high-availability network load balancing on Linux
- How to configure high-availability network load balancing on Linux Network load balancing is an important network technology that can evenly distribute network traffic to multiple servers to improve system availability and scalability. On Linux systems, high-availability network load balancing can be easily achieved through some tools and technologies. This article explains how to configure high-availability network load balancing on a Linux system and provides code examples. 1. Configure KeepalivedKeepalived is an open source high availability
- Linux Operation and Maintenance 1253 2023-07-08 12:19:39
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- How to protect CentOS servers from attacks using an intrusion prevention system (IPS)
- How to use an intrusion prevention system (IPS) to protect CentOS servers from attacks Introduction: In today’s digital age, server security is crucial. Cyberattacks and intrusions are becoming more frequent, so the need to protect servers from them is becoming increasingly urgent. An intrusion prevention system (IPS) is an important security measure that can help detect and block malicious activity and protect servers from attacks. In this article, we will learn how to configure and use IPS on CentOS servers to improve the security of the server.
- Linux Operation and Maintenance 1567 2023-07-08 11:41:42
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- How to secure access to your CentOS server using two-factor authentication
- How to use two-factor authentication to secure access to CentOS servers Summary: With the increase in network attacks, it is particularly important to secure access to servers. Two-factor authentication is a way to enhance server security. This article will introduce how to use two-factor authentication on CentOS servers to improve access security. Keywords: two-factor authentication, CentOS server, access security, code example 1. What is two-factor authentication? Two-factor authentication refers to the use of two or more different identities.
- Linux Operation and Maintenance 979 2023-07-08 11:37:36
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- How to set up a system backup policy on Linux
- How to set up system backup policy on Linux Summary: Data backup is one of the important measures to ensure system security. On Linux systems, setting a reasonable backup strategy can help us protect the integrity and availability of data. This article will introduce how to set up a system backup policy on Linux and provide some practical code examples. Determine the backup target: Before setting the system backup strategy, you first need to determine the backup target. We can save the backup files to an external storage device (such as a hard drive, USB drive or network storage) or
- Linux Operation and Maintenance 1502 2023-07-08 08:57:09
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- How to configure a CentOS system to restrict user changes to system configuration
- How to configure the CentOS system to restrict users from changing system configuration. In a multi-user Linux system, we do not want any user to have permission to modify certain system configurations and files. Especially in some production environments, in order to ensure the stability and security of the system, it is necessary to restrict users from changing the system configuration. This article will describe how to configure a CentOS system to restrict user changes to system configuration. Create a user group First, we need to create a user group to manage the changes that have to be made to the system configuration
- Linux Operation and Maintenance 876 2023-07-08 08:28:36
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- How to set up defense against DDoS attacks on Linux
- How to set up defense against DDoS attacks on Linux With the rapid development of the Internet, network security threats are also increasing day by day. One of the common attack methods is a distributed denial of service (DDoS) attack. DDoS attacks are designed to overload a target network or server so that it cannot function properly. On Linux, there are some measures we can take to defend against this attack. This article will introduce some common defense strategies and provide corresponding code examples. Throttling connection speeds DDoS attacks typically tend to consume data through a large number of connection requests.
- Linux Operation and Maintenance 2013 2023-07-07 23:06:05
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- How to configure network security policy on Linux
- How to configure network security policy on Linux Introduction: With the rapid development of the network, network security issues have become more and more prominent. In Linux systems, through appropriate network security policy configuration, the system can be effectively protected from network attacks. This article will introduce how to configure network security policies on the Linux operating system and provide corresponding code examples. 1. Install a firewall A firewall is an important part of protecting network security. On Linux systems, you can use iptables or nftables to achieve
- Linux Operation and Maintenance 2455 2023-07-07 23:04:40
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- How to deploy containerized applications on Linux
- How to deploy containerized applications on Linux Introduction: With the rapid development of cloud computing and container technology, containerized applications have become the first choice for many development teams. Containerized applications are lightweight, quick to deploy, and easy to manage, allowing developers to better utilize system resources and improve application portability and scalability. In this article, we will introduce how to deploy containerized applications on Linux. 1. Install Docker Before starting, we need to install Docker first. Docker is an open source container
- Linux Operation and Maintenance 1498 2023-07-07 22:53:05
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- How to configure NAT gateway on Linux
- How to configure NAT gateway on Linux Introduction: Configuring NAT (Network Address Translation) gateway on Linux operating system is a very common task. A NAT gateway allows multiple hosts to access the Internet by sharing a single public IP address. In this article, we will explore how to configure a NAT gateway on Linux and attach corresponding code examples to help readers complete the configuration process step by step. NAT gateway is a network technology that allows multiple hosts located in a private network to be connected through a single public IP address.
- Linux Operation and Maintenance 2076 2023-07-07 22:36:05
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- Configuring Linux systems to support device driver development
- Configuring the Linux system to support device driver development Introduction: The device driver is the bridge between the operating system and the hardware. It is responsible for converting the operating system's requests into instructions that the hardware can understand. In Linux systems, device drivers exist in the form of modules. This article will introduce how to configure a Linux system to support device driver development, and attach some code examples to help readers better understand. 1. Preparation for installing the Linux system. To develop device drivers, you first need to install Linux in your own development environment.
- Linux Operation and Maintenance 1030 2023-07-07 22:10:49
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