Linux

One, delete files/folders command (RM)The RM Command can delete one or more files or directories in a directory, or it can delete all files and subdirectories of a directory and its subordinates. For linked files, only the entire linked file is

What is Linux Linux is actually a system operating platform, we usually use the operating system called Windows, of course, the Mac computer system is called MacOS. Unix is a more ancient than Linux operating system, many for the server

Second lesson of the week (May 27)1.6/1.7 Configuring IP1.8 Troubleshooting network problemsBecause your server is generally in the computer room, so we need an IP connection to the server, so every time to connect to Linux is to connect remotely.

1. Virtual Machine installationA) dual system (not recommended for beginners to install)b) It is recommended to use a virtual machine to operate the test environmentC) Benefits: can simulate the real environment for a variety of experiments and

a) what is an operating systemThe operating system is an essential system software in the computer system, its function is to manage and control the hardware and software resources in the computer system, organize the workflow of the computer system

The previous section learned the virtual machine installation Centos7, which is configured in the network,1. Obtain the IP and view the network card nameFirst turn on the virtual machine,Enter the root return, and then enter the password, the

1. Delete files and folders: Rm-f/RM-RFLinux Delete directory is very simple, many people are still accustomed to use rmdir, but once the directory is not empty, it fell into deep distress, now use the RM-RF command.Direct RM is available, but add

1.6/1.7 Configuring IP(1) DHCP automatically assigns IP addresses (provided there is a DHCP server in the network)Auto Get IP: # dhclient(2) Set static IPView NIC name: # IP addr or # ifconfigNic name is Ens33Edit NIC Profile: #

View disk status commandsIostat-x disk use # to see how much the wait for the TM%util description is, the larger the value, the worse the diskIotop disk use # to see which data is large# View disk status in more detailFree to view memory usageFree-h

Today, let's talk a little more about the difference between buffer and cache in a Linux system, where buffer operates on a different object than the cache, and the "1.buffer (buffer) is the hard disk that is designed to improve memory (or other i/

More pagination Display text command English intent More Command format more [-dlfpcsu ][-num ] [+/ pattern][+ linenum] [file ... ] Command function The more command, which functions like cat, the Cat command is

Original: https://book.2cto.com/201304/19611.html 1.3 Preparatory workBecause Linux is free, widely used, commercial support is becoming more and more perfect, this book will be mainly for Linux running on the Nginx to introduce. It is necessary to

Which search command small and fine command English original meaning which Command format which 可执行文件名称 Command function Which itself is a shell built-in command, and we typically use which to determine if a

1. First prepare the Java environment, install the JDK2. Download Jenkins to Linux server: https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Red+Hat+distributions# Installingjenkinsonredhatdistributions-importantnoteoncentosjava on

Findcommand to locate a file under the specified directory, andLocatedifferent,Findcommands are real-time exact lookups, not fuzzy matches, but can be found using wildcard characters, which is relatively more accurate. Any string that precedes the

"One" starts at line No. 3000 and displays 1000 rows. The 3000~3999 line is displayedCat FileName | Tail-n +3000 | Head-n 1000"Two" displays 1000 rows to 3000 rowsCat filename| Head-n 3000 | Tail-n +1000* Note the order of the two

1. First go to the Oralce official web site to download the JREJdk-8u151-linux-x64.tar.gz2. Unzip the JDKTAR-ZXVF jdk-8u151-linux-x64.tar.gz3. Configure Environment variablesVi/etc/profileAdd the following code at the end of the file to force save

Which of the following is the most popular Linux release in 2018 ?, 2018 linux 　　　 Developers often use Linux-based operating systems to complete daily work and develop new things. They chooseThe main considerations for programming in Linux

Domain account access failure of shared storage (QNAP) O & M management, qnap accountDomain account access failure in shared storage (QNAP) O & M management I. background LDAP is used by the directory in the domain control server. Today, the IP

How to install and configure Jenkins continuous Integration Server1 download First download the war package of the corresponding operating system version from the official jenkins website. Note: jenkins 2.x does not support installation on windows