Real Linux Troubleshooting Scenarios: Log Server and Log File Configuration and Management

Scenario 284: Unable to Access Log Server Troubleshooting Steps: Verify network connection: ping log_server_ip Check firewall settings on both systems: systemctl status firewalld firewall-cmd –list-all Ensure the log server service is running: systemctl status rsyslog Scenario 285: Excessive Log Volume Troubleshooting Steps: Identify growing log files: du -h /var/log Analyze the contents of large log … Read more

Tutorial | Installing MaSIF-neosurface on Linux: A Geometric Deep Learning Method for Protein Surface Interaction Fingerprinting

Introduction MaSIF-neosurface is a computational tool aimed at learning new surfaces (neosurfaces) of protein-small molecule complexes, designed to identify potential binding regions within the new surface structures formed after protein binding with small molecules. This method proposes a deep learning-based protein design strategy that can be used to develop artificial proteins capable of specifically recognizing … Read more

Embedded Development Insights #18: Understanding Linux Graphics Display

Cover ImageAt the Panyu Square Station of the Guangzhou Metro, there is a library where you can read and study in the subway station.IntroductionWhen developing a graphical desktop under the Linux system, one can often be overwhelmed by a plethora of concepts or terms (GDM3, LightDM, XFCE4, X11, GNOME, Xserver, KDE, Weston, etc.). This article … Read more

Differences Between grep and pgrep in Linux

<span>pgrep</span> and <span>grep</span> are two different commands in the Linux system. Although their names are similar, they have significant differences in functionality and usage scenarios. Here are their core differences: <span>pgrep</span> is an acronym that stands for “Process-ID Global Regular Expressions Print”. <span>grep</span> is an acronym for “Global Regular Expressions Print”, meaning global regular expression … Read more

Essential for Linux Beginners! The fuser Command: Easily Understand the Relationship Between Files and Processes

In Linux systems, understanding the relationship between files and processes is a very important task. The fuser command allows you to see which processes are using a specific file, directory, or filesystem. Today, let’s learn about this super useful command—fuser.1. What is the fuser Command?The fuser command is used to display which processes are using … Read more

Installing and Configuring Redis 7.4.3 on Linux

Supported Operating Systems:BigCloud Enterprise Linux For Euler 21.10 LTShttps://mirrors.cmecloud.cn/bclinux/oe21.10/openEuler 24.03 LTS SP1https://www.openeuler.org/en/download/CentOS-8, AlmaLinux, Rocky Linux, etc.1. Download the installation packageDownload link:https://download.redis.io/releases/redis-7.4.3.tar.gzUpload the installation package to the server in the /usr/local/src directory2. Upgrade GCC version# Redis source code compilation requires GCC version 5 or highergcc -v # Check GCC version# If GCC is already a high … Read more

Linux Not Recognizing Disk Expansion in VMware? Here’s How to Easily Solve It!

Problem Analysis Due to selecting standard partitioning instead of LVM (Logical Volume Management) when installing the system in VMware, the vgextend command cannot be used to dynamically extend the root partition (/). The created partition disk is sdax. At this point, entering the system and typing vgdisplay will yield no response, as there is currently … Read more

The Light of Open Source: The Birth and Rise of Linux

In the vast expanse of technology, there shines a brilliant star that illuminates every corner of the computer world with its open and free spirit: Linux. Today, let us delve into the story of Linux’s birth and growth, exploring the legend behind it. Origins: New Demands in the Context of the Times Looking back to … Read more

12 Methods to Find User Account Information and Login Details in Linux

This article introduces practical methods for querying user information in Linux systems, focusing on command-line tools for obtaining user account details, login information, and user activity status. To create a new user, you can use the <span>useradd</span> command; to modify existing user attributes, you need to call the <span>usermod</span> command via the command line. The … Read more

RedHat Linux 8.1 Installation Guide

RedHat Linux 8.1 Installation Guide This installation example is performed on a virtual machine. Virtual Machine System Information Virtual Machine Software: VMware® Workstation 16 Pro Version: 16.0.0 build-16894299 1.System Image Version rhel-8.1-x86_64-dvd.iso 1.Preparation of Local Network Environment 1.Start Installation – Create a New Virtual Machine 1.Select Custom Installation 1.Select Install Operating System Later 1.Select Linux … Read more