Click the blue text above to follow us Managing User Accounts 1. Overview of User Accounts 2. Group Accounts 3. UID and GID UID: User Identifier GID: Group Identifier The UID and GID numbers for the root user account are fixed values of 0. The UID and GID numbers for system user accounts default to … Read more
Linux | Red Hat Certification | IT Technology | Operations Engineer 👇 1000-person technical exchange QQ group Note [Public Account] for faster access 1. Firewall Service Management View current active services firewall-cmd –list-service[root@localhost ~]# firewall-cmd –set-default-zone=publicsuccess[root@localhost ~]# firewall-cmd –list-servicessh dhcpv6-client[root@localhost ~]# firewall-cmd –set-default-zone=homesuccess[root@localhost ~]# firewall-cmd –list-servicessh mdns samba-client dhcpv6-client# This allows for a more intuitive … Read more
In the process of using Linux, we often encounter issues related to users and groups. For example, the most common situation is when you want to execute a command in a certain path, and you frequently see this error message. permission denied Anyway, I often encounter this error while using FTP to transfer files. After … Read more
Warm Reminder: For better practical learning, it is recommended to refer to this on a PC. 0. Introduction No matter if you are engaged in development or operations, you need to understand the basic Linux commands. Linux commands are the core of the normal operation of the Linux system. If you are in operations, then … Read more
System Information arch # Display the processor architecture of the machine (1) uname -m # Display the processor architecture of the machine (2) uname -r # Display the current kernel version dmidecode -q # Display hardware system components – (SMBIOS / DMI) hdparm -i /dev/hda # List the architectural features of a disk hdparm -tT … Read more
Source: Machine Learning Algorithms and Python Learning This article is approximately 2500 words long and is suggested to be read in 5 minutes. This article brings you 156 commonly used commands in the Linux system. Linux commands are commands used to manage the Linux system. In the Linux system, whether it is the central processing … Read more
▼Click the image below to search for the secret code【001】, claim your154-page Linux study notes. 1. Files and Directories 1. cd command (Used to switch the current directory; its parameter is the path of the directory to switch to, which can be either an absolute or relative path) cd /home Enter the ‘/home’ directory cd … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the 1000-person technical communication QQ group. Note: [Public Account] for faster approval 1. Basic Concepts Environment variables (environment variables) generally refer to parameters used to specify the operating environment of the operating system. For example: when we write C/C++ code, we never … Read more
Follow the Embedded Learning Station to get more fresh highlights every day. 🤟 Usage Tip: This article contains 3732 words and is expected to take about 8 minutes to read~ What are the most dangerous Linux commands? Many people have asked me this question countless times, and I have always avoided answering because there is … Read more
Linux commands are the basics of operations and maintenance (O&M) work, and they are very important. For O&M engineers, memorizing Linux commands can significantly improve work efficiency. Here, I would like to share570 common Linux commands, which canbe searched with one click, and quickly referenced. The PDF format can be opened anytime for memory. In … Read more