CentOS

NoSQL's use of human data in a very short time is high, not only as a new storage idea, but also because it is more efficient at manipulating big data than the relational databaseTools/Materials A CentOS computer connected to the Internet

CentOS Linux Solution device eth0 does not seem to be presentThis morning open Xshell link virtual machine, suddenly link not on. Then go into the virtual machine execution ifconfig or the IP Addr List command to find eth0 missing. Then perform the

Close to the CentOS 6 system optimization script above, because sometimes a virtual machine has already brushed the optimization script, but perhaps for other reasons, the virtual machine is temporarily on hold. After a period of time, suddenly have

Today on a PC installed CentOS 7, at that time chose the minimum installation mode, the installation is completed immediately after the Ifconfig to view the IP address of the machine (LAN already has DHCP), found an error, prompted Ifconfig command

This article mainly introduces the Linux system passwd command Practical Tips Summary, is the basic knowledge of Linux primer learning, the need for friends can refer to the following Let 's review the basic usage of the passwd command: linux passwd

1. Commands for shutdown (System shutdown, restart, and logout)SHUTDOWN-H now shut down system (1)Init 0 Shutdown System (2)Telinit 0 Shutdown System (3)Shutdown-h Hours:minutes & Shutdown system at scheduled timesShutdown-c Cancel the system at a

Steps: wget http://nginx.org/download/nginx-1.10.1.tar.gztar -xvf nginx-1.10 . 1. Tar . GZCD nginx-1.10. 1 . /configruemake doinstallProblems you may encounter in configure:Install The PCRE library into the system, or build the PCRE library

1. Before installing, prepare the host or virtual machine of the three CentOS 6.6 systems, and turn off the firewall and SELinux.2. Configure the IP address as shown in the table below, modify the Hosts file and the native name192.168.199.21 Hadoop21

commands for locating and locating files Command Function Command Function which Find the location of the file from path Find Find all documents that meet your requirements

1: Modify the CentOS command line startup (reduce memory footprint):Vim/etc/inittab ID:5: Initdefault: --Modify 5 to 3 to start the interface using StartX2: Install JDK1) Decompression: jdk-7u55-linux-i586.Tar. gz [[email protected]

Ext.: https://teddysun.com/432.htmlCompile and install GCC under CentOSTechnology Autumn Sui Yibing Released: 2015-09-02 Updated: 2015-09-02 6,519 times Onlookers 14 times spit Groove We know that for GCC to install the default version number with

Statement: This article is personal according to the relevant blog information plus their own experience to organize, in this share for everyone to learn to communicate!Assuming that the codeblocks under the CentOS system is already installed, we

[Email protected] local]# Java-Versionjava version"1.6.0"OpenJDK Runtime Environment (build1.6.0-b09) OpenJDK --bit Server VM (build1.6.0-b09, Mixed mode) [Email protected] local]# rpm-qa |grepJavajava-1.6.0-openjdk-1.6.0.0-1.7.

1) [[email protected] ~]# cat/proc/versionLinux version 2.6.18-194.el5 ([email protected]) (GCC version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Fri APR 2 14:58:14 EDT 20102)[Email protected] ~]# uname-aLinux localhost.localdomain 2.6.18-194.el5 #1

1. Compile and install httpd-2.4.10(1) First install "Developmenttools" and "Server Platform development"~]# Yum groupinstall-y "Development Tools" "Serverplatform development"(2) Install the enhanced Regular Expression Analyzer pcre-devel, and

Permanently modify host Name: Hostnamectl set-hostname IP Address:Bootproto=staticipaddr=192.168.31.128netmask=255.255.255.0gateway=192.168.31.2dns1=192.168.31.2Java environment:Export Java_home=/usr/javaExport JRE_HOME=/USR/JAVA/JREExport path=

To remotely connect Docker containers using the SSH service based on CentOSEnvironment: Host CENTOS7, directly search Docker's CentOS image, download the latest version1, first according to Docker:yum Install-y Epel-releaseYum Install-y Docker2,

1. Install the following components# yum groupinstall-y "desktop" "Desktop Platform" "Desktop Platform Development" "Fonts" "General Purpose Desktop" "Gr Aphical Administration Tools "Graphics Creation Tools" "Input Methods" "X Window System"

vim/etc/ssh/sshd_config, the following three lines remove the comment symbol #rsaauthentication yespubkeyauthentication yesauthorizedkeysfile. ssh/authorized_keysmkdir -P ~/. SSH chmod ~/. SSHGenerate public and private keys[Email protected].SSH]#

when the root password is accidentally forgotten, we can change the root password by entering single-user mode, in order to prevent others from entering the single-user mode to change the password, we can also encrypt the grub file, improve security,