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Getting Started with SSH Security: 13 Ways to Establish a Secure Connection on Linux

SSH is a protocol used to remotely log in and manage Linux servers. It can encrypt data transmission and prevent man-in-the-middle attacks and eavesdropping. However, SSH itself may also face some security threats, such as brute force password cracking, port scanning, session hijacking, etc. Therefore, we need to take some measures to protect our SSH server connection and improve security and reliability. This article will introduce 13 ways to establish a secure SSH connection on Linux, including changing the default port, disabling root login, using key authentication, limiting login attempts, using a firewall, using two-factor authentication, etc. 1. Disable root login First, disable SSH access for the root user and create a new user with root privileges. Close ro

Feb 11, 2024 am 10:54 AM

linuxlinux系统linux命令shell脚本linux教程嵌入式linuxlinux入门

Install SSH and SSH service on CentOS

Preface In the LINUX system, SSH is a protocol for secure remote login and other secure network services. Since logging in with a password carries the risk of being cracked by brute force, logging in with an SSH key can provide better security. This article will introduce how to use CentOS How to install SSH in the system and configure the SSH service. Install SSH1. Open the terminal and use the following command to install SSH: ```shellsudoyuminstallopenssh-server``` 2. After the installation is complete, use the following command to start the SSH service: sudosystemctlstartsshd3. You can use the following command to check the SSH service status: sudosystemctl

Feb 11, 2024 am 08:00 AM

sshcentos

10 scp commands to transfer file folders in Linux

The basic usage of the scp command. The following command means to copy source_file_name to the destination_folder under the usernameaccount of destination_host. >scpsource_file_nameusername@destination_host:destination_folder Copy There are many parameters that can be used in the scp command. The following are some parameters that may be used in daily operations. Use the -v parameter to display detailed information about the scp process. The default scp command takes no parameters and copies files silently in the background. The user can only

Feb 10, 2024 pm 08:30 PM

linuxlinux系统linux命令shell脚本linux教程嵌入式linuxlinux入门

An easy tutorial to create and configure a Linux virtual machine on AWS

Cloud computing is a hot topic in today's IT industry. It can provide users with flexible, scalable, and low-cost computing resources and services. Amazon's AWS (Amazon Web Services) is the world's largest cloud computing platform, which supports multiple operating systems, including Linux. This article will teach you how to create and configure a Linux virtual machine on AWS, and how to use SSH and SCP for remote management and file transfer. AWS (Amazon Web Services) is one of the world's leading cloud server providers. You can set up a server in under a minute using the AWS platform. On AWS, you can fine-tune many technical details of your server, such as number of CPUs, memory, and disk space,

Feb 10, 2024 pm 07:42 PM

linuxlinux系统linux命令shell脚本linux教程嵌入式linuxlinux入门

CentOS ARM installation guide and in-depth experience

With the rapid development of cloud computing and the Internet of Things, ARM architecture processors are increasingly used in data centers and edge computing fields. The CentOS ARM version was born to meet this demand. This article will introduce you in detail how to Install CentOS ARM version, and its features and advantages. Introduction to CentOSARM CentOSARM version is a Linux distribution based on ARM architecture. It aims to provide enterprises with stable, reliable and efficient system solutions. Due to its open source and free features, CentOSARM version is widely used in cloud computing, Internet of Things, embedded systems and other fields. Has been widely used. Install CentOSARM1. Prepare hardware and tools Before installing CentOSARM, you need

Feb 10, 2024 pm 06:45 PM

Unable to read username for 'https://github.com': Terminal prompt disabled on Windows

I'm trying to use goget -u to get some dependencies from a private repository, but it keeps failing with the following error: serverresponse:notfound:github.com/..../[email protected]:invalidversion:gitls-remote-qoriginin /tmp/gopath/pkg/mod/cache/vcs/168bff8af96cdfac9cbe3ad64f7753732f8a19d99f7f1e897f19371e1ea453d9:

Feb 10, 2024 pm 05:27 PM

How to check win7 port frequently

What are our commonly used ports? I have nothing to do today and I will summarize it for future use. If anyone needs to save it quickly, be prepared, especially those who are engaged in the Internet: 1. http802, https4433, ftp214, telnet235, ssh226, smtp257, pop1108, mstsc3389 remote connection 9 , 0racal152110, dns53 firewall is responsible for port 12, mssql: 143313, mysql: 3306 You can view the status of all ports through the netstat-ano command

Feb 10, 2024 pm 05:12 PM

win7端口

mod tidy from internal repository via ssh fails

I can't gomodtidy when using an internal github repository. ssh authentication seems to work alone (see log below), but gomodtidy hits the internal repository and throws [email protected]:permissiondenied(publickey).fatal:couldnotreadfromremoterepository.pleasemakesureyouhavethecorrectaccessrightsandthereposi

Feb 10, 2024 pm 03:30 PM

Remotely manage Linux servers, start with SSH

During the operation and maintenance of Linux servers, remote management is often required. SSH is one of the most commonly used remote management tools. It allows administrators to log in to Linux servers remotely, execute commands and manipulate files. In this article, we will discuss how to use SSH to connect to a Linux server and share some practical tips for SSH. As a system administrator, you plan to use OpenSSH on Linux to automate daily tasks, such as file transfers, backup database dump files to another server, etc. To achieve this goal, you need to be able to automatically log in to host B from host A. Automatic login means using ssh in a shell script without entering any password. This article will tell you how to

Feb 10, 2024 am 10:00 AM

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PortSpider – Advanced network port scanner on Kali Linux

PortSpider is a tool for scanning large ranges of networks for open ports and vulnerable services. This tool is not designed to scan one target, but an entire IP range. (e.g. 192.168.0.0/24) Most of the time companies/organizations have public information about the public IP ranges they own, so portSpider will help you scan all their machines at once for vulnerable devices/services. Module: http – Scan for open HTTP ports, and get headers. mysql – scans for open MySQL servers and attempts to log in using default credentials. mongodb – Scans open MongoDB instances and checks if they are password protected.

Feb 10, 2024 am 09:09 AM

linuxlinux系统linux命令shell脚本linux教程嵌入式linuxlinux入门

Detailed explanation of Debian service installation and Debian server installation

Debian is a popular Linux distribution known for its stability and reliability. On a Debian system, installing services and servers becomes relatively simple because of the help of the powerful package management tool apt, which we will introduce in detail below. Steps to install services and servers on Debian. Debian service installation 1. Update the package list: Before installing any service, first ensure that the package list on the system is up to date. This can be achieved by running the following command: ```sqlsudoaptupdate``` 2. Install the service: Use Installing a service with apt is very simple, just run the following command, replacing "service-name" with the name of the service you want to install:

Feb 09, 2024 pm 11:18 PM

linux操作系统

How to deploy Git server on Linux to make your code management more efficient

Git is a distributed version control system that allows you to collaboratively develop and manage code on different devices. If you want to set up a Git server on Linux so that your team can easily share and synchronize code, then this article is for you. We will introduce you how to install Git-related software on Linux, how to use Gitosis to manage users and warehouses, and how to use SSH to securely access Git servers. Whether you are a Linux novice or a Git master, this article can help you quickly set up a Git server and make your code management more efficient. Build environment: server CentOS6.6+git (version1.8.

Feb 09, 2024 pm 11:09 PM

linuxlinux系统linux命令shell脚本linux教程嵌入式linuxlinux入门

Detailed tutorial on installing LAPACK and Paramiko under CentOS

LINUX is an open source operating system that is widely used in servers and embedded devices. CentOS is a free open source operating system based on Red Hat Enterprise Linux (RHEL) and is widely used in server environments. LAPACK is a high-performance mathematics library. Used for linear algebra calculations, Paramiko is a Python library for remote connections and file transfers over the SSH protocol. In this article, we will detail how to install LAPACK and Paramiko libraries on CentOS and provide solutions to some common problems. Install LAPACKLAPACK (LinearAlgebraPACKa

Feb 09, 2024 pm 11:00 PM

centosparamikolapackpip安装

Can't connect to FTP server using Go, but can connect using FileZilla

I have a small golang program that I'm trying to connect to an ftp server (https://registry.hub.docker.com/r/atmoz/sftp) running in a docker container. My machine is m1promacbook. Use the following command to start the container: dockerrun-p22:22-datmoz/sftpfoo:pass:::uploadgo version is 1.17.13. The program code is as follows: packagemainimport("log" "time"

Feb 09, 2024 pm 09:51 PM

go语言