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- Tips to change ssh connection port number in ubuntu
- Under normal circumstances, open the ssh configuration file sudovim/etc/ssh/sshd_config and find the following line: Port22. Change the following 22 to the port number you want to set and then restart the ssh service sudoservicesshrestart. If you log in to ssh remotely and it prompts: noroutetohost, it should be the firewall. Configure the corresponding ports and set up the firewall and it will be ok. If you have not installed openssh-server, you can refer to the following steps. Note: If the port is modified remotely, in order to prevent SSH from being unable to connect remotely after modifying the port, we can make SSH work under 22 and the newly set port at the same time, and wait until the test can connect to new
- LINUX . ssh 1036 2023-12-29 08:50:03
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- 6 ways to harden your Linux workstation security
- Introduction As I said before, safety is like driving on the highway - anyone who drives slower than you is an idiot, and anyone who drives faster than you is a lunatic. The guidelines presented in this article are just a basic set of core safety rules. They are not comprehensive and do not replace experience, caution, and common sense. You should slightly adjust these suggestions to fit the context of your organization. Here are some necessary steps that every system administrator should take: 1. Always disable Firewire and Thunderbolt modules. 2. Check your firewall to make sure all inbound ports are filtered. 3. Make sure root mail is forwarded to the account you verified. 4. Set up an automatic update schedule for the operating system, or update reminder content. Additionally, you should also consider some of the best
- LINUX . ssh 1303 2023-12-29 08:44:30
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- screen command usage
- Screen is a very useful command that provides the ability to use multiple shell windows (sessions) from a single SSH session. When the session is detached or the network is interrupted, processes started in the screen session will still run and you can reconnect to the screen session at any time. screen is a very useful command that provides the ability to use multiple shell windows (sessions) from a single SSH session. ability. When the session is detached or the network is interrupted, processes started in the screen session will still run, and you can reconnect to the screen session at any time. This is also convenient if you want to run a persistent process or connect to a shell session from multiple locations. In this article, we will show how to use Linux
- LINUX . ssh 762 2023-12-29 08:07:38
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- Steps to install and set up GitLab on CentOS
- GitLab uses Ruby on Rails, an open source version management system, to implement a self-hosted Git project warehouse that can access public or private projects through a web interface. It has similar functionality to Github, with the ability to browse source code and manage defects and comments. The installation can be carried out according to the online installation guide https://about.gitlab.com/downloads/#centos6 Login configuration Directly access the server address, such as http://192.169.1.22/, a login window will appear, the username and password are: Username :rootPassword:5iveL!feClick the navigation bar to create a new project
- LINUX . ssh 1159 2023-12-28 15:07:22
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- How to use character interface and window mode in CentOS
- In the CentOS interface switching problem, many people may be accustomed to entering the character working mode to operate. So how do you switch to character working? Below we will introduce 3 methods to enter the character working mode: Let’s take a look! Open a terminal window in a graphical environment to enter character working mode. Enter character working mode directly after system startup. Use remote login mode (Telnet or SSH) to enter character working mode. Virtual Console When the system enters the character working mode directly at startup, the system provides multiple (default is 6) virtual consoles. Each virtual console can be used independently without affecting each other. You can use Alt+F1~Alt+F6 to switch between multiple virtual consoles. If the user uses st
- LINUX . ssh 963 2023-12-27 16:48:02
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- The difference between console cable and network cable
- The difference between console cable and network cable: 1. Definition and use; 2. Transmission rate; 3. Structure and material; 4. Interface type; 5. Application scenarios; 6. Security. Detailed introduction: 1. Definition and use. The console cable is a cable used to connect the computer host and network equipment. It is usually used to debug network equipment, such as routers, switches, etc. The network cable is a cable used to connect computers, switches, etc. Cables for routers and other equipment are used to implement network communication; 2. Transmission rate, the transmission rate of the Console line is usually higher, etc.
- Common Problem . ssh 2955 2023-12-18 10:29:10
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- How to solve securefx connection failure
- Solutions to the problem that securefx cannot connect: 1. Check the network connection; 2. Check the SecureFX configuration; 3. Update SecureFX; 4. Check the firewall settings; 5. Check the target server settings; 6. Check the log file; 7. Try to connect manually; 8 , contact technical support; 9. Check the certificate and encryption settings; 10. Try other connection methods; 11. Check the server documentation and support resources; 12. Consider upgrades or alternatives; 13. Be aware of security risks.
- Common Problem . ssh 1047 2023-12-13 11:57:53
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- What to do if securefx cannot connect?
- Solutions to the problem that securefx cannot connect: 1. Check the network connection; 2. Check the SecureFX configuration; 3. Update SecureFX; 4. Check the firewall settings; 5. Check the target server settings; 6. Check the log file; 7. Try to connect manually; 8 , contact technical support; 9. Check certificate and encryption settings; 10. Check proxy settings; 11. Check software conflicts; 12. View documentation and support resources; 13. Consider upgrades or alternatives; 14. Pay attention to security risks.
- Common Problem . ssh 1011 2023-12-13 11:45:02
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- pycharm connection server tutorial
- There are three steps for pycharm to connect to the server: "operation steps", "connection steps" and "code running": 1. Select "setting"->"Project:..."->"Python Interpreter" drop-down to select the created compilation environment; 2 , click "Tools" -> "Start SSH Session" and select the created connection; 3. Connect to the server and use pycharm to edit the code.
- Python Tutorial . ssh 2548 2023-12-11 10:41:34
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- How to use pycharm for remote development
- Steps for remote development with pycharm: 1. Configure remote server information; 2. Connect to the remote server; 3. Deploy the project to the remote server; 4. Run and debug the code on the remote server. Detailed introduction: 1. Configure remote server information, open PyCharm, enter the "File" menu, select "Settings", in the settings window, expand the "Project" node, then select "Project Interpreter", click the "+" icon in the upper right corner etc.
- Python Tutorial . ssh 1312 2023-12-08 17:50:43
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- How to configure pycharm
- Pycharm configuration steps: 1. Select "File" -> "Settings" in the menu bar to configure; 2. Click "File" -> "Settings" and select "Project: your_project_name" -> "Python Interpreter"; 3. In the Interpreters page, see the installed Python interpreter. You can add, modify, delete interpreters, and create and switch virtual environments to
- Python Tutorial . ssh 3052 2023-12-08 14:55:34
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- What are the configuration management tools?
- Configuration management tools include Puppet, Ansible, Chef, SaltStack, Terraform and Docker. Detailed introduction: 1. Puppet is an automated configuration management tool that can effectively manage and deploy large-scale computer systems; 2. Ansible is a simple and powerful automation tool that can be used to automate application deployment and configuration management. and task automation; 3. Chef is an infrastructure automation platform that provides a wealth of resources and tools, etc.
- Common Problem . ssh 2152 2023-12-07 09:58:09
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- Learn advanced network programming and network security in Go
- Go language, as a statically typed programming language, has been widely loved by developers in recent years. It combines the high performance of C language and the simplicity of Python language to provide developers with an efficient programming method. Network programming is an important application area of Go language. In this article, we will explore advanced network programming and network security of Go language. 1. Advanced network programming Concurrent programming Go language provides powerful concurrent programming capabilities through the combination of goroutine and channel. goroutin
- Golang . ssh 1395 2023-11-30 10:26:33
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- How to perform remote monitoring and remote management of Linux systems
- How to perform remote monitoring and remote management of Linux systems Introduction: In today's Internet era, remote monitoring and management have become an important part of the daily operation and maintenance work of enterprises and individuals. In Linux systems, remote monitoring and management is an essential technology, which can improve efficiency, reduce costs, and reduce the waste of human resources. This article will introduce how to perform remote monitoring and remote management of Linux systems, and provide some specific code examples. 1. Remote monitoring Remote monitoring can help us monitor Linux systems in real time
- Linux Operation and Maintenance . ssh 1454 2023-11-08 17:35:24
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- How to perform remote backup and recovery of Linux systems
- How to perform remote backup and recovery of Linux systems. With the popularity of Linux systems and the expansion of their application scope, the demand for data backup and recovery is becoming more and more important. In most cases, we want to be able to back up important data to a remote server to prevent data loss caused by local hardware failure or other unexpected situations. This article will introduce how to perform remote backup and recovery on Linux systems through the SSH (SecureShell) protocol, and provide relevant code examples. Step 1: Create SS
- Linux Operation and Maintenance . ssh 1576 2023-11-08 14:27:19
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