Linux

sort [-fbmnrtuk] [file or stdin] options and Parameters:-F : Ignores case differences, for example A and a are treated as encodings;-b : Ignores the first whitespace part;-M : Sort by the name of the month, such as the sort method of JAN, DEC and

One, view the Linux kernel version command (2 methods):1, Cat/proc/versionLinux version 3.10.0_1-0-0-8 ([email protected]) (GCC version 4.8.2 20140120 (Red Hat 4.8.2-16) (gcc)) #1 SMP Thu Oct 29 13:04:32 CST 20152, Uname-aLinux xxx 3.10.0_1-0-0-8 #1

1 First, ask the question:Server installed Kylin system after the installation of GIS map (in fact, is to deploy a set of map services), because it is the intranet, so all the required packages are placed in an ISO file, you need to use the Mount

1. CentOS system Start-up process:Post (Detect hardware environment)--->bootloader (based on the settings in the BIOS to find out which device to boot from, and then boot the system based on the MBR on the selected device, booting the first stage of

All files in Linux!This piece of content is mainly for the various operations of Linux files: Open, close, new, read, write, etc., C function (not shell command!). Followingint open (const char *path,int oflags,mode_t mode)Path: Route/oflags: Open

Recently just to the notebook installed UBUNTU+WIN10 dual system, but ubuntu16.04 did not bring their own Chinese input method, so after some online experience search integration, sharing the Chinese input method to install the experience. This

This series of Linux primer is I in the "bird Brother's Linux private dishes" based on the summary of the basic content, mainly to record their own learning process, but also convenient for everyone to understand brieflyLinux distribution is an

Steps1. First cut to root user2. The implementation of Visudo, in fact, is to modify/etc/sudoers3. Add users with the following rules:Youuser all=(All) all%youuser all=(All) allyouuser

Beginners to learn Linux will certainly encounter some puzzling problems, such as me, in learning to delete a user, the error encountered above 1 userdel: user xiaoming iscurrently used byprocess 4713 , not only that,

More Commands IntroductionThe more command, which functions like cat, the Cat command is the entire contents of the file displayed on the screen from top to bottom. More will be a page-by-page display to facilitate users to read pages, and the most

Introduction to CAT commandsThe purpose of the cat command is to connect files or standard input and print. This command is commonly used to display the contents of a file, or to connect several files to display, or to read from a standard input and

The powerful grep command, linuxgrep This technique comes from my actual development: The inet_addr function is used to convert the IP address to the network byte order. Its prototype is in_addr_t inet_addr (const char * cp ); The returned value is

CentOS6.5-install yum, centos6.5-install yum 1. Uninstall yum from the original systemRpm-qa | grep yum | xargs rpm-e -- nodeps (Xargs processes each line of information sent from rpm-qa | grep yum using the command following xargs) 2. Create a

Configure vhost for multiple sites in Nginx and vhost for nginx sites If you want to access different directories with different domain names in Linux Nginx, You need to configure multiple vhosts. The specific configuration is as follows. Assume

Gcc compiler usage A program written in C Language compiles it into executable files on a computer. Generally, there are four steps. /* ===================================================== ========================================= * Copyright (C) 20

Kafka + Zookeeper cluster construction, kafkazookeeper Cluster The last time I introduced how to build an elasticsearch cluster, I hope to help you. Here I will introduce the kafka cluster and the last build. First, let's take a look at kafka and

Install enhanced functions for VirtualBox in Linux. After CentOS is installed in VirtualBox, you can share folders, clipboard, and move the mouse seamlessly by installing the enhancement function. The main steps are as follows: 1. yum-y update 2.

Linux Command notes (1), linux Command notes1. ls: view files in the current folder 2. ls-a: View hidden files in the current folder 3. ls-l: view files in the current folder in the form of a list 4, ls-h: view the files in the current folder and

Install and configure Nginx in Centos7, centos7nginx  Installation and configuration 1. Install nginx Yum intsall nginxsudo systemctl start nginxStart the serviceSudo firewall-cmd -- permanent -- zone = public -- add-service = http allow http

Install and configure vsftpd in linux.Vsftpd is short for "very secure FTP daemon". Security is one of its biggest features. Vsftpd is the name of a server running on a UNIX operating system that can run on systems such as Linux, BSD, Solaris,