Linux 6.6 uses the EEVDF (Earliest Eligible Virtual Deadline First) scheduler to replace the CFS (Completely Fair Scheduler). Linux 6.12 completes the EEVDF scheduler by improving the handling of sleep process latency and supporting process time slice settings. The EEVDF scheduler considers schedule latency as one of the factors in process scheduling, ensuring fair allocation … Read more
How to Set Up Linux System Services chkconfig is used to check and set various system services. The syntax is: chkconfig [options]. Linux has treated me harshly a thousand times, yet I treat it like my first love. Once you learn, you must apply it, follow along with me to operate. For more usage, feel … Read more
(1) Process Concept A process is a program that has been executed. It does not occupy disk space but consumes system memory, CPU resources, and each running process corresponds to its own virtual address space. (2) Concepts of Parallelism and Concurrency The CPU allocates a time slice to each process, and a process can run … Read more
Tmux is what? A typical usage of session and process command line is to open a terminal window (terminal window, hereinafter referred to as “window”) and enter commands inside it. “The temporary interaction between the user and the computer is called a session.” One important characteristic of a session is that the window is connected … Read more
Linux Commands for Managing Files and Directories pwd——Prints the current path of the user, print work directory, used in text mode cd——Changes the current directory, change directory Format: cd <directory_name> [root@localhost~]# cd.. Go back to the parent directory [root@localhost~]# cd Go to the user’s home directory [root@localhost~]# cd/home Switch to the home directory using the … Read more
Follow「Raymond Operations」 WeChat official account, and set it as「Starred」, you can also scan the QR code at the bottom to join the group chat, to get the latest content in real time and never miss exciting content. Introduction to DNS DNS (Domain Name System): is a system that uses a client/server mechanism to convert computer … Read more
Introduction to GitLab: A very popular open-source project that supports self-hosting and provides a rich feature set, including CI/CD. The GitLab Community Edition is open-source and free, allowing users to download and install it on their local servers. Official Website: https://packages.gitlab.com/gitlab/gitlab-ce GitLab Download Links: https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el9/ https://packages.gitlab.com/gitlab/gitlab-ce/packages/el/9/gitlab-ce-17.7.2-ce.0.el9.x86_64.rpm/download.rpm Upload the installation package gitlab-ce-17.7.2-ce.0.el9.x86_64.rpm to the server in … Read more
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