Course Elementary  23467

Course Introduction：Linux is a free-to-use and freely disseminated Unix-like operating system. It is a multi-user, multi-task, multi-thread and multi-CPU operating system based on POSIX and UNIX.

Course Intermediate  3507

Course Introduction：A firewall is a system used to control access to a computer network. Firewalls can isolate risk areas from safe access areas and prevent unpredictable or unauthorized external access from invading the internal network. Learning firewalls under Linux is not only for these reasons. The most important thing is that during the learning stage, through the use of firewalls, you can better master the principles of network communication, become familiar with the operation of Linux, and master network services and network protocols. It is also important for learning Linux operation and maintenance or Cybersecurity is helpful. There are many firewalls under Linux, including iptables, firewalld, selinux, tcp_warppers, etc. This course summarizes these firewall-related technologies.

Course Advanced  11651

Course Introduction："Brothers New Version Linux Network Service SSH Service Video Tutorial" explains the introduction to the SSH service, encryption principles, configuration files and commands, etc. It is a brief introduction to the SSH service.

Course Intermediate  11329

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Introduction：Network USB flash drive: an efficient and convenient cloud storage solution In the digital age, data storage and transmission are becoming more and more important. Although traditional USB flash drives are portable, they have limited capacity and are easy to lose. As a new type of cloud storage solution, network USB flash drives are not only efficient and convenient, but can also effectively solve many problems of traditional USB flash drives. This article will illustrate the advantages of network USB flash drives through cases and arguments. Tool materials: Computer brand model: MacBookPro2020 Operating system version: macOS BigSur11.0.1 Software version: Network U disk v1.2.3 1. Convenience of network U disk 1. Access data anytime, anywhere Network U disk is stored in the cloud, and users can access it anytime, anywhere own data. Whether at home or office

2024-01-22 comment 0  890

Course Introduction：NAS, or network-attached storage, has long been a viable solution and an effective alternative to cloud storage in smaller setups. But many people find that their NAS does not show up under the Network tab in Windows 11. Whether it's Synology, RasperryPi, Iomega, etc., as well as office and home setups, operating systems and manufacturers face this problem. Our research has found that this is usually a user-side error. Why is the NAS not visible on the network? SMB1 is not enabled Network discovery is turned off Broken DNS or IP cache Firewall or third-party application interfering with connection What should I do if my NAS drive is not visible on the network in Windows 11? at me

2023-09-23 comment 0  1296

Course Introduction：Hey, I'm currently working on an opensource cybersecurity and cryptography repo written in python for the moment, it is on github. This repo currently has multiple function: the xor operation. the tidy ECB encryption/decryption function. the tidy

2024-07-28 comment 0  862

Course Introduction：Linux网络备份MYSQL

2016-06-01 comment 0  859

Course Introduction：This topic will deeply explore the core role of network commands in the Linux operating system. With these commands, we can check network conditions and correct network faults in real time, and at the same time understand the data flow of the network. The article strives to refine Linux timers and explain in detail my unique experience in using Linux network commands. 1.ifconfig-View network interface information As a key network management tool in the Linux system, ifconfig has outstanding advantages in network parameter configuration and status query. Especially when modifying core parameters such as network card IP address, MAC address and subnet mask, its performance is extremely good. The following is its detailed and accurate operation guide: ifconfigeth0 This system has the ability to obtain ethOS

2024-03-14 comment 0  825