Introduction Linux commands are essential tools for operating the Linux system. They can be categorized into several types, each containing a series of related commands used to perform specific system, file, or network operations. Whether managing the CPU, memory, disk drives, keyboard, mouse, or user management, Linux commands are indispensable.. Components of Linux Commands Linux … Read more
1. Check /etc/redhat-release cat /etc/redhat-release Output: CentOS Linux release 7.9.2009 (Core) 2. Check /etc/os-release cat /etc/os-release Output: NAME="CentOS Linux" VERSION="7 (Core)" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="7" PRETTY_NAME="CentOS Linux 7 (Core)" ANSI_COLOR="0;31" CPE_NAME="cpe:/o:centos:centos:7" HOME_URL="https://www.centos.org/" BUG_REPORT_URL="https://bugs.centos.org/" CENTOS_MANTISBT_PROJECT="CentOS-7" CENTOS_MANTISBT_PROJECT_VERSION="7" REDHAT_SUPPORT_PRODUCT="centos" REDHAT_SUPPORT_PRODUCT_VERSION="7" Note: If it is CentOS 7.9, VERSION_ID=”7″ will show the major version number as 7, while PRETTY_NAME will … Read more
Genome Annotation refers to the analysis of genomes to predict the locations of genes, which is crucial for genomic analysis and gene function studies. Genome annotation is a comprehensive process that involves numerous software tools, and various bugs may occur during the installation and usage of the software, leading to low-quality genomic annotation information or … Read more
Detailed description of backing up and restoring MySQL database on Linux system is as follows:: Backing Up the Database: Log in to the Linux system and open a terminal window. Use the mysqldump command to create a backup of the database. The mysqldump command is a tool provided by MySQL that can export the data … Read more
When it comes to system performance, many of you might feel overwhelmed. What is performance? Why should we care about it? Simply put, it’s about making your Linux machine run faster and more stable. Today, let’s talk about some super practical Linux performance analysis tools that will help you unleash your system’s potential. top Command … Read more
First, let’s discuss the overall idea—creating a convenient debugging TCP/IP protocol stack, level-ip. The specific operations can be divided such that we do not have to use the system’s socket interface for TCP communication. Now, this goal has been preliminarily achieved. One required component is tun/tap, which forwards data between the virtual device and the … Read more
The greatness of Linux lies in its efficiency in utilizing system resources. In certain cases, you may need to heavily use your Linux system, such as when running virtual machines, playing video games, or editing 4K videos. In these situations, you need to monitor resource usage. Here are some super useful system monitors in Linux … Read more
In Linux systems, symbolic links (Symbolic Link, abbreviated as Symlink) are a very practical type of file system object, similar to shortcuts in Windows systems. Symbolic links can point to files or directories, providing users with convenient access paths. However, sometimes we may need to delete symbolic links that are no longer needed. This article … Read more
Researchers from Kaspersky Lab periodically analyze the popular security technologies in the cybersecurity market. This time, they decided to study what security technologies operating system developers provide for embedded systems (in other words, the Internet of Things). Our main interest lies in how these operating systems address issues related to cybersecurity. Note that during the … Read more
Background Read the fucking source code! –By Lu Xun A picture is worth a thousand words. –By Gorky Note: Kernel version: 4.14 ARM64 processor, Cortex-A53, dual-core Tools used: Source Insight 3.5, Visio 1. Overview In the Linux kernel, real-time processes always have a higher priority than ordinary processes. The scheduling of real-time processes is managed … Read more