Follow “Operations Interview Insights” Click the “⭐ Star” on the left to receive immediate updates on articles In Linux systems, both ps -ef | grep java and jps -l are methods used to view Java processes, but they have some important differences. ps -ef | grep java Command: ps is a command used to display … Read more
Commands related to the file system in Linux are summarized as follows: 1 Environment Operating System: Ubuntu 22.04.5 LTS 2 df -h, to check all mounted points 3 df -h /, to check the mount point of any directory 4 df -hT, to check the file system type of the mounted points 5 mount -l, … Read more
In the complex world of Linux, processes are the core of system operation, each identified by a unique “Process ID” (PID). Whether a system administrator is troubleshooting runaway processes or a developer is debugging an application, knowing how to map a PID to its corresponding process name is a fundamental skill. Understanding PID and Process … Read more
1. Common Disk Management Commands Command Description Core Purpose df Displays disk space usage of file systems View overall disk usage and remaining space du Counts disk usage of files/directories Analyze storage usage of specific directories or files fdisk Disk partition management tool Create, delete, and adjust disk partitions mkfs Formats a disk partition to … Read more
Introduction 1. Why Do Test Engineers Need BusyBox? In testing work, we often need to: • Network Debugging: Use <span>telnet/nc</span> to check ports, and <span>wget/curl</span> to verify interfaces. • Log Analysis: Use <span>grep/sed/awk</span> to process massive logs. • File Operations: Use <span>ls/cp/mv/rm</span> to quickly manage test files. • Script Adaptation: Run Linux-style automation scripts on … Read more
Script HomeSet as “Starred⭐” to receive article updates promptlySource: Haodao Linux (ID: hao_tiyu)Today, I bring you 45 efficient Linux command combinations. By utilizing these commands effectively, you will find that they can solve 99% of daily operational tasks.The following related efficient commands are listed without any particular order, focusing more on providing a better user … Read more
The following article is a summary of common knowledge in Shell programming, covering syntax and techniques. 1. Basic Concepts of Shell 1. Introduction The Shell is a command-line interpreter, an interface for users to interact with the kernel, receiving user-input commands and invoking system functions for execution. The Shell is loaded into memory when logging … Read more
In Linux systems, process management is a very important function. The pstree command displays running processes in a tree diagram format, which is more intuitive than the ps command, making the output visually appealing. Today, we will learn about this super useful command—pstree.1. What is the pstree Command?The pstree command is used to display running … Read more
Learn Together for a Lifetime Here is Programmer Android This article mainly introduces some knowledge points in Android development. By reading this article, you will gain the following content: 1. cd command 2. –help command 3. ls command 4. touch command 5. mkdir command 6. pwd command 7. echo command 8. cat command 9. Tab … Read more
Click the business card below to follow the public account and star it to receive my latest shares.Reply in the background with Embedded Learning Materials to get a learning package👇👇👇 Introduction pkill stands for “process kill” and is used to terminate processes. It allows you to send signals to one or more processes by their … Read more