Linux

One, temporary configuration network (IP, gateway, DNS)Ifconfig View Network ConfigurationModify the IP address ifconfig ens33 192.168. 255.129/ ENS33 nic name, 192.168. 255.129/24 is the IP address/subnet mask to configure Two , Permanent

Introduction to Linux system servicesIn a Windows system, we can open Task Manager to open or close some services. There are also requirements under Linux, so how does Linux open "task Manager" like Windows?There are two ways to tune service startup

1. Installation command# yum install MySQL-server mysql2. See if the installation is correct--list mysqld3. Start(1), start the service:# service Mysqld Start(2), Stop the service:Shutdown(3), join the boot start:On(4), remove boot:Off(5), to see if

There is an application firstgrep and SED mates replace strings in a fileCommand:Sed-i s/yyyy/xxxx/g ' grep yyyy-rl--include= "*.txt"./'function: Replace the YYYY string in all txt files in the current directory (including subdirectories) with the

logically all directories have only one item point / (Root), starting point of all directoriesBelow the root resembles an upside down tree[[email  protected] ~]# tree-l 1/                    # View root directory tree below / # store

#1. Awk's search functionIfconfig |awk '/bc/' |awk-f: ' {print $} ' |awk ' {print '} '#2. Cut specify a separatorIfconfig |sed-n 2p|cut-d:-f2|cut-d ""-f1#3. Head,tail commands are easy to combineIfconfig |head-2 |tail-1|sed ' s#^.*dr:\ (. *\) bca.*$#

Use CentOS 7,virtual in Virtulbox on Mac to choose Redhat, because the two are the sameInstalled after the "Linux bird Brother's private dishes" command to play, like Bzip2,dump and other orders are not, groped for their own installationFinally

1./etc/passwd[Email protected] ~]# Cat/etc/passwdroot:x:0:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologindaemon:x:2:2: Daemon:/sbin:/sbin/nologinadm:x:3:4:adm:/var/adm:/sbin/nologinlp:x:4:7:lp:/var/spool/lpd:/sbin/nologinsync:x :

The following are practice actions under UbuntuChange DNSEdit the file-"/etc/resolv.conf", open "Terminal Application"-"Accessories"-"terminal", enter the following command in the terminal: sudo nano/etc/resolv.conf Some files automatically change

Linux Common CommandsVI. Network Commands1. Write [ online username ] to send messages to users logged in at the terminalcan be used first W.H.O. command to view online users650) this.width=650; "Src="

A. Find commandbasic format:Find path expression　　　　1. Search by file name(1) Find/-name httpd.conf #在根目录下查找文件httpd. conf, which indicates that the entire hard drive is found(2) Find/etc-name httpd.conf #在/etc directory file httpd.conf(3)

I don't know if anyone like me is an idiot to Linux, so I'm sorry. Why didn't you choose Linux? How to install JDK on Linux system1. First look at the existing JDK in the system (generally the system has its own, we need to uninstall first)#rpm-qa

1. Partitioning,View disk usage: fdisk-lPartition to disk: Fdisk/dev/sdb2. Create PVPVCREATE/DEV/SDB1View PV:Pvdisplay3. View VGVgdisplay---Volume Group---VG Name VolGroup004. Expansion of VGvgextend volgroup00/dev/sdb1Volume Group "VolGroup00"

Tag:existing    system administrator     View, modify host name           hostname View host name, temporarily change hostname, permanently change host name vi/etc/sysconfig/network  Change the hostname field to the user's desired

Version Requirements maven3.2.3Software downloadwget http://mirror.bit.edu.cn/apache/maven/maven-3/3.2.3/binaries/apache-maven-3.2.3-bin.tar.gzInstallationTar vxf apache-maven-3.2.3-bin.tar.gz$ MV Apache-maven-3.2.3/usr/local/maven3Modify

OSWatcher solves small and medium problems This article describes how to solve the two problems encountered during the use of OSWatcher. If you have a better method, please leave a message. 1: After OSWatcher sets the parameter OSW_COMPRESSION to

Common linux commands and common linux commands Linux commands for file and directory management Command Function Command Function Pwd Show Current Directory Ls View contents in the directory Cd Change

Python3.5 Data Processing and python3.5 Data Processing 1. Install pip3: #sudo apt-get install pip3 2. Install jieba: #sudo pip3 install jieba 3. Install sklearn: #sudo pip3 install scikit-learn 4. Install the sklearn dependency (numpy, scipy

[CNMP series] explanation of VIM editor and cnmpvimOrigin I used Linux Kernel Driver R & D in college. I used the Vim editor to write C language. Vim was not as powerful as today, and there were not so many plug-ins at that time, I just think this

Common Linux commands System Basics Use the environment variable of the root user to switch to the root usersu - Show current working pathpwd Display the default language and keyboard layout of the current systemlocalectl Display All languages