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- How to configure a CentOS system to restrict root remote logins
- How to configure CentOS system to restrict remote login of root user Introduction: In CentOS system, root user has the highest permissions, but this also means that it may become the target of hacker attacks. Therefore, in order to increase the security of the system, we need to restrict the remote login permissions of the root user. This article will introduce you how to configure the CentOS system to restrict remote login by the root user. Step 1: Log in to CentOS system using SSH First, we need to log in to CentOS using SSH
- Linux Operation and Maintenance . ssh 3223 2023-07-06 13:21:18
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- Configuration tips for using CLion for embedded C/C++ development on Linux systems
- Configuration tips for using CLion for embedded C/C++ development on Linux systems. With the continuous development of embedded systems, C/C++ is still the main language for developing embedded applications. During the development process, a suitable integrated development environment (IDE) is crucial to improving development efficiency. CLion is a cross-platform C/C++ development environment developed by JetBrains. It provides powerful functions and a friendly user interface, making embedded development easier and more efficient. This article will introduce how
- Linux Operation and Maintenance . ssh 1852 2023-07-06 11:57:06
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- How to configure high-availability defense against DDoS attacks on Linux
- Overview of how to configure high-availability defense against DDoS attacks on Linux With the development of the Internet, DDoS (Distributed Denial of Service) attacks have become increasingly rampant. It works by flooding and overloading target servers with large amounts of malicious traffic, thereby rendering services unavailable. In order to protect the server from DDoS attacks, we need to configure a highly available defense mechanism. In this article, we will introduce how to configure a highly available defense against DDoS attacks on Linux and give corresponding code examples. Implementation steps using firewall
- Linux Operation and Maintenance . ssh 2257 2023-07-06 11:12:13
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- How to configure remote login (such as SSH and Telnet) on Linux
- How to configure remote login (such as SSH and Telnet) on Linux Remote login is a very convenient way that allows us to connect to a remote server or computer from anywhere for operation and management. In Linux systems, we can achieve remote login by configuring SSH (Secure Shell Protocol) and Telnet. This article will show how to configure remote login on Linux, with code examples. 1. SSH (Secure Shell Protocol) configuration: SSH is a secure remote login protocol.
- Linux Operation and Maintenance . ssh 6323 2023-07-06 10:00:09
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- How to use gateway IDS to secure the internal network of CentOS servers
- How to use gateway IDS to protect the security of the CentOS server's internal network Summary: With the increasing number of network attacks, protecting the security of the server's internal network has become particularly important. This article will introduce how to use gateway IDS (Intrusion Detection System) to protect the security of the CentOS server's internal network. We will monitor network traffic by configuring a gateway IDS and use a rule-based firewall to block malicious traffic from entering the internal network. The article will also include some sample code to help
- Linux Operation and Maintenance . ssh 1176 2023-07-06 09:00:07
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- How to protect CentOS servers from network attacks using network IDS
- How to use network IDS to protect CentOS servers from network attacks Introduction: With the rapid development and use of networks, the importance of protecting servers from various network attacks on the Internet has become increasingly apparent. Network Intrusion Detection System (IDS) is an important tool for detecting and blocking malicious network activities. This article will show you how to use network IDS on CentOS servers to protect your servers from network attacks. 1. What is a network?
- Linux Operation and Maintenance . ssh 1739 2023-07-06 08:52:39
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- How to configure a highly available local code repository (such as GitLab) on Linux
- How to configure a highly available local code repository (such as GitLab) on Linux. As software development and teamwork become increasingly complex, the demand for code management and version control is also increasing. As an open source code hosting platform, GitLab is widely used in team collaborative development. In order to improve the reliability and stability of the code warehouse, we can configure a highly available local code warehouse so that it can automatically switch to a backup server when a single server fails, ensuring that the team's work is not affected. This article will be based on L
- Linux Operation and Maintenance . ssh 2502 2023-07-05 18:27:10
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- How to set up a CentOS system to disable insecure protocols and services
- How to Set Up a CentOS System to Disable Insecure Protocols and Services In the age of cybersecurity, protecting servers from potential attacks is crucial. CentOS, as a widely used operating system, provides some methods to disable unsafe protocols and services and increase server security. This article will introduce some methods to set up CentOS systems to disable unsafe protocols and services, and provide corresponding code examples. 1. Disable unsafe protocols. Disable the Telnet protocol: Telnet is a clear text transmission protocol.
- Linux Operation and Maintenance . ssh 1564 2023-07-05 18:24:07
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- How to implement more secure SSH login on CentOS server using key authentication
- How to use key authentication to implement more secure SSH login on CentOS servers In server management, it is crucial to ensure system security. SSH (SecureShell) is an encrypted network protocol used for remote login to Linux and UNIX servers. To further strengthen the security of the server, we can use key authentication instead of password login. This article will introduce how to implement a more secure SSH login on a CentOS server and provide corresponding code examples. Step 1: Generate
- Linux Operation and Maintenance . ssh 2116 2023-07-05 18:15:07
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- What is the Linux system connection port command?
- The Linux system connection port commands are: 1. Telnet, a remote login protocol, can connect to a specific port of the remote host through the Telnet client. The command example is "telnet <remote host address> <port number>"; 2. Netcat is a network tool that can create various connections in the network. The command example is "nc <remote host address> <port number>".
- Linux Operation and Maintenance . ssh 4376 2023-07-05 16:54:36
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- How to secure a CentOS server using Secure Remote Login Protocol (SSH)
- How to use the secure remote login protocol (SSH) to protect the CentOS server. With the development of the network, remote login to the server has become an indispensable way to manage the server. However, traditional remote login protocols (such as telnet) have security issues, so SSH (SecureShell) has quickly become the preferred remote login protocol. In this article, we will discuss how to protect your CentOS server using SSH to ensure the security and integrity of your data. SSH is an encrypted network protocol that can
- Linux Operation and Maintenance . ssh 1121 2023-07-05 13:53:21
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- How to set up your CentOS system to block port scans from outside attackers
- How to set up a CentOS system to block port scanning by external attackers Summary: With the continuous development of the Internet, network security issues are becoming more and more prominent. External attackers often use port scanning to find security holes in systems. To protect our systems, we need to take steps to block these scans. This article will introduce how to set up a CentOS system to prevent port scanning by external attackers and provide relevant code examples. 1. Install and configure the firewall. The CentOS system comes with a firewalld firewall. I
- Linux Operation and Maintenance . ssh 2920 2023-07-05 11:22:55
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- How to configure remote access on Linux
- Overview of how to configure remote access on Linux: In a Linux system, we can access and control the Linux host from other computers or devices by configuring remote access. This can greatly facilitate our remote operation and management. This article explains how to configure remote access on Linux and provides corresponding code examples. SSH remote access SSH (SecureShell) is a commonly used protocol to ensure communication security. We can remotely log in to a Linux host through SSH.
- Linux Operation and Maintenance . ssh 3964 2023-07-04 23:57:12
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- Configuring Linux systems to support distributed systems development
- Configuring Linux systems to support distributed system development With the rapid development of cloud computing and big data technology, distributed system development is becoming more and more important. As developers, we need to configure the environment on our own Linux system so that we can easily develop and test distributed systems. This article will describe how to configure a Linux system to support distributed system development and provide some code examples. Install JDK First, we need to install the Java Development Kit (JDK), because many distributed systems use JDK
- Linux Operation and Maintenance . ssh 1305 2023-07-04 21:16:35
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- Configuring Linux systems to support smart building and smart energy management development
- Configuring Linux systems to support smart buildings and smart energy management The development of smart buildings and smart energy management is an important trend in the current integration of information technology and energy fields. In order to support development in this field, it is essential to configure a stable and reliable Linux system. This article will explain how to configure it on a Linux system and provide some code examples. 1. Install the Linux system First, we need to choose a suitable Linux distribution for installation. Common distribution versions include Ubuntu and Cent
- Linux Operation and Maintenance . ssh 905 2023-07-04 14:17:06
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