Linux

Linux HDD format, partition, mount, uninstall, delete partitionAfter Linux 2.6 kernel, Linux will identify the hardware devices and set up the corresponding device files under/dev/. For example:SDA indicates a 1th SCSI driveHDA represents the 1th

In the DOS interface of Windows, the command to clear the screen is CLS, so what is the command to clear the screen in Linux? The following author shares several of the clean screen methods used under Linux.1,Clear command , this command will

Example: Linux view and manipulate IP routing table methodsListen to the Voice | Browse:2933 | Updated: 2015-10-17 10:07 | Tags:linux 1 2 3 4 5 6 7 Step through ReadingThe

Awk is the third text processor in the grep system and SED systemGawk-pattern scanning and processing languageFormat:gawk [Options] ' program ' File ...Program:/pattern/{action statement, ...}Pattern section: Determines when action statements are

1, access to opencv-3.3.1 sourceAddress: Https://pan.baidu.com/s/1U-UZcZ2fFI_ihJD-_jRcFgPassword: 2YFJ2. Unzip the source packageCommand: Unzip Opencv-3.3.1.zip3. Create a new folder under the OpenCV source directoryCommand: mkdir Build 4. Install

Compile makefile time to make compile connection phase always prompt, unable to open such library or the format of such a library is not correct (1 first look at 32 bit, 64 bit whether the corresponding: Bits,cflags lflags....,2 will. Directory

Today encountered a problem, a filename is "-mxv9.log", directly with RM deleted when the error[Localhost]rm-mxv9.logRm:illegal Option--MRm:illegal Option--XUSAGE:RM [-rfir] File ...began to think of the quoted number of deletion, found that the

File systems for Linux:With file system (ROOTFS)Root filesystemLsb,fhs:linux Release Standard1 bin Boot Dev etc home lib lib64 media mnt opt proc root run sbin SRV sys tmp usr var/boot: Boot file directory, kernel file (vmlinuz), boot loader

??????? As of today I have been entertaining, working, and studying for more than 100 days with the full Deepin Desktop Linux environment. When you see this desktop, will you think it's MacOS? Wrong, it is Deepin Desktop Linux, and it has been

1.echo (printf)Echo-display a line of text-displays a row of textCommon options:-N: No line break;-e: Make "\" effective; (eg:\n: line break, \ t: Horizontal tab)Text color Identification method:\033: Represents the CTRL key[: Controls the delimiter

One OSI seven-layer model: 1 OSI Reference Model produces background:Since the 1960s, the computer network has been growing rapidly. In order to dominate in the field of data communication networks, major manufacturers have launched their own

#!/bin/bash#设置密码复杂度If [-z] cat /etc/pam.d/system-auth | grep -v "^#" | grep "pam_cracklib.so" "];thenSed-i '/password required Pam_deny.so/a\password required pam_cracklib.so try_first_pass minlen=8 ucredit=-1 lcredit=-1 Ocredit=-1 dcredit=-1 retry=3

1, Logrotate IntroductionLog files contain useful information about the events that occur in the system, which are often used during troubleshooting or during system performance analysis. For busy servers, the log file size grows extremely fast and

The sort command sorts the rows in the files specified by the file parameter and writes the results to standard output. If the file parameter specifies multiple files, the sort command connects the files and sorts them as a file.Sort syntax[[email

A recurring task schedule requires a package, uninterrupted monitoring time. CentOS7 need main package: Cronie (provides crond daemon and related AIDS)Recurring task scheduling requires first ensuring that the Crond daemon is runningCrond need to

VI/VIM editor and vivim Editor1 Overview All Unix Like systems have built-in vi file editors, while other file editors do not necessarily exist. However, we currently use the vim editor. Vim has the ability to edit programs. It can actively identify

When linux is used to resize a server disk, how does one solve the partition error message ?, Linux error message Problem: when resizing a server disk, the following error message is displayed in the partition. Solution: 1. View Disk

Ubuntu system to install sublime and set Chinese Input tutorial, ubuntusublime I. How to install sublime text 3 in ubuntu 16.04 1) first download the tar package of sublime text 3 $ wget 2) decompress the downloaded installation package $ tar xvf

Ubuntu installation SVN server step tutorial, unzip tusvn Apache Subversion (SVN for short) is an open-source version control system. It uses a branch management system relative to the Cross-node Scripting (RCS) and CVS. Its design goal is to

Deploying Ganglia to monitor Hadoop and HBase Some performance problems often occur during Hadoop O & M. However, performance problems cannot be simply analyzed through web pages and logs. Many metrics are required. Ganglia is one of the more