Linux

7.3 Database This is the DBM database for Linux, and the code is downloaded in dbm database code. You can use files to store data, why do you need a database? Because in some cases, the characteristics of the database provide a better way to solve

Use the CP command under Linux, often prompt whether to overwrite, if is too batch of file overwrite, always so prompt, will be very annoying. So how do we solve this problem?Let's look at the reasons first!Generally we use the command is CP-RF

First of all, what is data flow redirection, so-called data flow redirection is simply a process, the process of capturing a file, or command, program, script, or even script code block of the output, and then the captured output, as input to

1.awk IntroductionAwk is a powerful text analysis tool. SED is often used for the processing of an entire row, whereas awk prefers to slice each row into a field (that is, a column) with a Space and TAB key for the default delimiter. Awk is suitable

From Sysvinit to SystemdIn recent years, the INIT process of Linux system has undergone two major evolution, the traditional sysvinit has faded out of the historical stage, the new init system upstart and systemd each have the characteristic, but

First, why do you want to make the program in the backgroundThe procedures we calculate are very long, usually a few hours or even one weeks. The environment we use is to connect remotely to a Japanese Linux server using Putty. So the following

This article is not a LIUNX command to use the tutorial, but also do not intend to explain its usage in all aspects, internet company projects a lot, the inter-dependent invocation of the service program is very complex, a variety of factors will

1. Default configuration:1> allows anonymous users and local users to log on.Anonymous_enable=yesLocal_enable=yes2> Anonymous User login name is FTP or anonymous, password is empty, anonymous user can not leave the anonymous user home

Type description of the timeTimeTimeTime ：日历时间。1970年1月1日0点到此时的秒数。Time acquisition functiontime_t time (time_t *t);Function Description: This function returns the number of seconds that have elapsed since January 1, 1970 00:00 00 seconds. If time_t

1:vncserver2:iptables-i input-p TCP--dport 5901-jaccept Client mode3:iptables-i input-p TCP--dport 5801-jaccept Browser mode4:vi/root/.vnc/xstartup comment out last line #twm & end row Add:gnome-session& 5:vncserver:1Configure multiple

1 description 2 Installation Steps 2.1 2.2 Maven Installation Steps 2.2.1 Unpacking the MAVEN installation package 2.2.2 Configuring environment variables 2.3 Sonatype Nexus Installation Steps 1 descriptionEnvironment:

Early due to raid is often used to combine some inexpensive SATA interface hard disk devices to complete redundancy.So the early full name is: redundantarray of independent Disks (independent redundant disk array). The primary function of RAID is

let's look at a few common commands for working with directories:LS: List directoryCD: Switch directoriespwd: Displays the current directorymkdir: Create a new directoryRmDir: Delete an empty directoryCP: Copying Files or directoriesRM: Remove files

Manually set DSL broadband connection in Ubuntu After installing Ubuntu, I found that the DSL connection of the graphic interface was useless and I was depressed for several days. I think it would be a waste of 120 hours of mobile traffic every

How to handle file names containing spaces and special characters in Linux We often see the file name and folder name. Most of the time, the file/folder name and content are related and begin with a number and a letter. Letters and numbers are the

Build IDE with Tmux and Vim When I visited an office, one of my friends found that their employees were using tmux and vim tools to develop Ruby projects. He wondered why people would rather give up the convenience of mouse input and choose to use

Set dual-physical Nic to virtual Nic in Linux To provide high network availability, We need to bind multiple network cards to a virtual network card to provide external services. This can prevent a network card from being damaged or connection

Shell programming --- awk command explanationAwk ProgrammingAwk is a programming language. Gawk is the latest version. The current linux version uses gawk.Awk is a soft link of gawk.How awk worksBEGIN # Run the command before the object row is

Edit Video Subtitles in LinuxI. Subtitle editing software in Linux Common examples include subtitleeditor, gnome-subtitles, and gaupol. 1. gnome-subtitles: Batch Processing of Multi-subtitle files is not supported2. gaupol: Full English interface3.

Install and configure pptp on the CentOS Server Note:Server Operating System: 64-bit CentOSServer IP Address: 192.168.1.100Purpose: To install and configure pptp on the server and provide the vpn dialing service externally Specific operations:(1)