Linux

Firewall operations IP address operation File operations Redis Installation and simple configuration View network InformationIfconfigContos71. FirewallsTemporarily shut down the firewallSystemctl Stop FirewalldPermanent Firewall

When using SSH, there are times when connecting to a server is very slow, usually displays the information, and then the card is not moving.Connecting to 10.10.10.10:22...connection established. To escape to local shell, press ' ctrl+alt+] '.After a

A process is the process by which a program entity runs, an independent unit of resource allocation and scheduling, or an execution activity of a program on a processing machine. Distinguish between processes and programs1.0 program is a set of

Mainly introduce the VI editor and three modesDivided into command mode edit mode tail line modevi Editor for editing files with the suffix. shEnter VI xx.sh into command modeThen enter ": (Half-width)" into the tail-line mode in the new

Development environment CENTOS7, jdk1.8First go to the official website to download jdk1.8 linux64-bit installation packageGo to catalogue/usr/local/mypackage/javaUploading a JDK installation package with WINSCPCommand TAR-ZXVF

In the previous blog we first introduced why the hard disk partition, as well as several types of Linux system partition, and then introduced the Linux system several common file system commands, finally explained the Mount command, and through the

Common commands for Linux systemsCommon commands for Linux systems:1,cd/home/finebi/into the specified directory (cd/home/into the virtual root directory, CD finebi/into the actual directory)2,CD. Go back to the top level directory3,LL View the file

Linux Source Package Installation1. Change Yum Warehouse SourceCd/etc/yum.resposl.dRm–f Dvd.repowget Http://mirrors.163.com/.help/CentOS7-Base-163.repoOrCurl–o Http://mirrors.163.com/.help/CentOS7-Base-163.repoYum List2. installing the extension

The composition of the disk:Tracks: TrackSectors: Sector (512 bytes)Head: HeadCylinder: CylinderMbr/msdos partition mode1--4 primary partition, or 0--3 primary partition plus an extended partition (n logical partitions)Maximum supported disks with a

File wildcard characters:* Match 0 or more characters？ Match any single character~ Current User Home Directory[0-9] Matching number range[A-Z] Letter[A-Z] Letter[Wang] matches any one of the characters in the list[^wang] matches characters other

1. View 1) Cat view file contents cat file name Cat File1 View the contents of the File1 file (print file1 content to standard output) cat file1 file2 View the contents of the File1 and File2 files 2) cat-n file name displays the contents of the

Install Ubuntu16.04 LTS Linux on a virtual machine in VMware14.0.0 (detailed steps for multiple images ), I. Preparations 1. The VMware14 software is successfully installed; 2. Go to the Ubuntu official website to download Ubuntu LTS image files. Ii.

Common Linux commandsCommon commands Ls display file or directory -L list file DETAILS l (list) -A: List all files and directories in the current directory, including hidden a (all) Mkdir create directory -P: Creates a directory. If no parent

Common CentOS system performance analysis and methods ▲Vmstat -- virtual memory statistics Vmstat (VirtualMeomoryStatistics, virtual memory statistics) is a common tool used in Linux to monitor the overall situation of the operating system's virtual

Detailed explanation of centos mount command 1. IntroductionThe mount command is used to mount a file system. All files in a Unix system are arranged on a huge tree. These files are distributed across different devices. The mount command is used to

Common CentOS commandsCommon commands Pwd: view all current paths Cd ../go to the root directory Restart linux with reboot Make compilation command PREFIX path specifies the path to which the installation is located Ls displays all

CentOS command-parted command [Root @ compute ~] # Parted/dev/md126 (Parted) mkpart swift 702G-803G # create a swfit partition, from 803 GB to GB [Root @ compute ~] # Mkfs. xfs/dev/md126p5 # format the disk as an xfs File System Note: This is

In CentOS7, LVM expands swap space by extending logical volumes In our daily O & M work, we occasionally encounter operations that need to expand the swap space. There are many ways to expand the swap space. Now let's take a look at how to expand

Usage of the mount command in CentOS There are many mount command parameters. The following describes some common parameters: Command Format of mount: Mount [-t] [-o] device dir For example, to mount an image to a specified folder/mnt/cdrom:

Https for centosHttps for centos Implement HTTPSThere are two common access methods for accessing the Internet: http and https. http is an unencrypted Internet transmission protocol, which is easy to intercept and steal information during data