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Screen is a multi-window management program in linux. When using telnet or SSH to remotely log on to linux, if the connection is interrupted abnormally, the system opens a new session and cannot restore the original session. screen command to solve

Mount | grep partition name to check whether the partition supports the disk quota mount-oremount, usrquota, or the temporary enabling of quotavim/etc/fstabdefault, usrquota, use the quotaquotacheck-avug feature to permanently scan the file system

Function description: Set the time zone. Syntax: timeconfig [-- arc] [-- back] [-- test] [-- utc] [time zone name] Supplementary Note: This is a program developed by RedHat following GPL rules, it has an interactive operation interface that allows

Echo function description: The echo command is the most common command used to print information. It is often used in command lines to print the value of environment variables. it is determined whether the specified environment variables are set in

Egrep function description: the egrep command and the grep command have the-E flag, except for the difference in the error message and the use of the message and the function of the-s flag. Use the egrep command to search for one or more files. the

In linux, you can use du to view the disk usage of the file. you can view the du English description estimatefilespaceusage through mandu, or you can simply understand it as diskusage. The first letter of each word is du, this makes it easy to

To improve Linux management efficiency, administrators must follow some management skills. Here are three tips for improving Linux management efficiency: unmount the unresponsive DVD drive, restore the problematic screen, and collaborate on the

This article collects proven and reliable commands and several new ones. Most commands can be executed on the graphic desktop. Even Linux users who have little experience in using the terminal often execute commands to use ping or other network

In the face of the ever-expanding Linux system, the space on your hard disk is increasingly stretched. How to lose weight in Linux can usually be done manually or using system tools. This article introduces the following tools: ActivityLogManager,

We continue with the third part of the 10 little-known Linux Command series. Maybe you already know these commands, so you are undoubtedly an experienced Linux user who is interested in exploring them. Read: 10 little-known Linux commands (1) and 10

In today's multi-tenant data center environment, virtualization technology is expanding from traditional virtual machine management program-based server virtualization to network virtualization. In this environment, software-based virtual switches

This article describes how to add multiple IP addresses to centos. For more information, see CentOS. Log on to SSH as follows:Copy codeThe code is as follows:Vi/etc/sysconfig/network-scripts/ifcfg-eth0: 0The second IP address isCopy codeThe code is

Vi is a widely used text editor in unix/linux. vi has various variants and different variant software on different machines. among them, vim is relatively easy to use and widely used. vim is short for ViIMproved, indicating better vi. this article

Getting help is the first command to be mastered in Linux. Linux provides very detailed help tools and documents, so you must get into the habit of checking help documents (there is no need to remember everything ), this greatly reduces memory and

Development in linux, even management and maintenance work, is indispensable for Vim. As a newbie, I am new to this topic. in this section, I will record the commonly used Vim commands I use or collect. Development in linux, even management and

History commands are frequently used in linux system management. it is a command with high usage. This topic describes the 15 Usage examples of the history Command. 1. use HISTTIMEFORMAT to display the timestampAfter you execute the history command

This article mainly introduces the openmp multi-thread programming example in linux. For more information, see Key syntax:Copy codeThe code is as follows:# Inlcude # Pragma omp parallel # Pragma omp for callback ction (+: variable) # Pragma

To delete files and folders in linux, you can directly use rm to delete them. to delete files or folders completely, you can use the shred command. next I will introduce them to you. Deleting a directory in linux is very simple. many people are

Logical Volume management LVM is a versatile hard disk system tool. Both Linux and other similar systems are very easy to use. It is very troublesome to adjust the size of a traditional partition by using a fixed size partition. However, LVM can

This article describes how to use the LinuxFind command to find files within a specified time range. For more information, see LinuxFind. For example, to find the file between '2017-08-08 'and '2017-09-01', run the following command: Copy codeThe