20 required commands for Linux beginners (1)

Are you planning to switch from Windows to Linux, or are you just switching to Linux? Alas !!! What am I talking about? Why are you in my world. From my past experience, I was shocked when I first started using Linux, commands, terminals, and so on.

Linux system monitoring knowledge sharing

As system O & M personnel, it is necessary to monitor important system parameters in real time, such as zombie processes, CPU utilization, memory usage, disk space usage, and system load balancing, based on the latest information, we can determine

Chen Shi: Redhat develops Linux in a unique way

I think more than ever, we use facts to talk about it. Currently, 500 of fortune 65% large enterprises still use non-open source software, many of which are transferred from SUN. There are a lot of links in which open-source software should be truly

Embedded Linux applications: Technical Features of ARM architecture

When developing and designing the first ARM chip, some machines at that time, such as Digital PDP-8, Cray-1, and IBM 801, proposed the concept, in addition, there have been many characteristics of the back-up development. However, the only example

Exploring the compilation optimization of the dragon core 2F processor GCC 4.4 (1)

As the most commonly used compiler in Linux, GCC provides powerful compilation capabilities and good platform versatility. Its importance is self-evident. Compilation optimization is a major feature of GCC. In addition to analyzing and optimizing

Shell programming Overview (1)

1.1 Shell programming Overview A shell program is a common file containing UNIX commands. The permission for this file should be at least readable and executable. Enter a file name at the shell prompt to execute the shell program. data can be

Log on to the shell control file as a Unix user

Common shell control files in the user directory1) korn shell (ksh)-. profile. kshrc2) bourne shell (sh)-. profile3) c shell (csh)-. cshrc. login4) bash shell (bash)-. bash_profile. bash_login. profileIn/etc/skel, the template file of the user's

Number of extents tables in the database and shell for processing

1. Check the number of extents for all tables in the database and output it to the file. In the output file, tables are arranged in descending order by the number of extents > Cat check_extents.shCode:Today = 'date + % Y % m % d % H % M % s'Dbaccess-

Brief Introduction to common Linux File Extensions

Understanding the linux File Extension helps us better work and learn. There are also many Linux file extensions. Here I have compiled some common extensions for your reference, I hope it will be useful to you ..... Linux is a Unix-like operating

Linux Mount Methods

Linux mounting is worth learning. Here we mainly introduce the linux mounting method. This article includes the detailed steps to explain it. There are many Usb devices, such as mp3, Usb flash drives, and card readers, but they are not necessarily

Who command for viewing serialization in linux Process

After studying the linux Process for a long time, I will explain how to view the linux Process today. So I will share it with you. After reading this article, you will certainly have a lot of GAINS. I hope this article will teach you more. This

Simple Linux User Password

Thanks to the popularity of Linux, many of my friends are studying Linux recently. This article will explain the Linux User Password for you and hope you can learn the Linux User Password well. In the past, when someone asked about USER password

Master Grub's skills to break through root users easily

In today's society, computers are becoming more and more popular. We use computers, but do we know how computers work? An operating system is essential to a computer. However, Linux is developing very rapidly and is catching up with Microsoft. Here

How to configure disk quotas in Linux

Nowadays, many people are learning about Linux, which is more and more popular with computer users. As a result, many users may encounter Linux Disk Quota configuration when learning Linux, here we will introduce the solution to the Linux disk quota,

Brief Introduction to Linux Application

There are many things worth learning about in Linux. Here we mainly introduce Linux applications. In order to make Linux applications available all over the world, instead of making any difference between Western languages and other languages in the

Comprehensive Understanding of Linux kernel cyclic linked list

With the development of Linux, Linux is becoming more and more different from the previous theme and does not conform to its original meaning, but it has not become a Linux kernel. The Linux kernel name is also "Linux ". L this article explains the

How to generate a core file when a segment error occurs in Linux

In Linux, C programs often cause segment fault segments errors due to memory access errors.) If the system core dump function is enabled, a memory image will be dumped to the hard disk, you can use gdb to analyze the core file and restore the stack

Common LinuxYUM commands

In RedHat Linux, rpm packages are the most common management method, but when we use other release versions, rpm management packages may not be used, YUM is also a very useful method for managing software packages. Here we will introduce the Common

In-depth analysis of Linux Startup (2)

Before the Linux system is started, we have analyzed the kernel boot and run init, more important work is to initialize the system, start the corresponding level of daemon, establish a terminal, and complete the login. This completes a complete

Brief Introduction to ubantu tips you don't know

Ubantu tips can be found on the Internet, but here are some tips you may not know. These skills are not necessarily available only on Ubuntu. However, the ubantu release has been verified, and other versions have not yet been verified. You can try

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