Linux User Management (CentOS)

Useradd testuser; Add user testuser to user name passwd testuser; Modify user password prompt two times enter password   give root permission to modify the/etc/sudoers file, locate the following line, and add a row below root, as follows: # # allow

[CentOS 7] Installing Nginx

Download the Nginx bundle (package) corresponding to the current system version# wget http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm Build Nginx's Yum repository# RPM-IVH

CentOS 6.8 Boot-up configuration

View System boot entryChkconfig--listAdd the well-written startup script to the directory/etc/rc.d/init.d/, and then use the command chkconfig to set the boot up.Chkconfig function Description: Check, set the various services of the system.Syntax:

CentOS installation JDK and installation GlassFish

1. Download the JDK for the CentOS version first: Download: jdk-7u75-linux-x64.tar.gz2. Download the JDK locally and upload to the opt temp directory of the CentOS system3. Before installing your own downloaded JDK, take a look at the JDK version of

CentOS installation maven

1: Download maven I'm using apache-maven-3.3.9-bin.tar.gz.http://maven.apache.org/download.cgi2: Unzip TAR–ZXVF apache-maven-3.3.9-bin.tar.gz3: Create soft connect ln-s apache-maven-3.3.94: Add environment variable: vim/etc/profileAdd Content Export

CentOS 7 Zabbix 3.2 Configuration version 1.0

1.650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M00/8B/C6/wKioL1hY1MTgrV_oAADOOffOKY0002.png-wh_500x0-wm_3 -wmp_4-s_2313763717.png "style=" Float:none; "title=" Qq20161219205605.png "alt=" wkiol1hy1mtgrv_ Oaadooffoky0002.png-wh_50 "/>2.650)

CentOS 6.5 zabbix-agent3.2 Installation version 1.0

1. Turn off the firewallService Iptables Stop2. Replace the source, install the Zabbix-agentRPM-IVH http://repo.zabbix.com/zabbix/3.2/rhel/6/x86_64/zabbix-release-3.2-1.el6.noarch.rpmYum Install-y zabbix-agent3. Modify the configuration

Quickly build SVN server under CentOS

Tag: for CentOS User POS system Add user startup code Systems ServiceDo not say the principle, only the steps, with the quickest way to build up the service.1, the system environment used in this article# Uname-r2.6.32-642.11.1.el6.x86_64#

CentOS does not start properly, prompting invalid User:root:root

= = = Problem descriptionYesterday in order to test some features, executed a program, causing the CentOS system memory spikes, immediately after the Xshell disconnected, then the port can be accessed, is not connected, free-m memory is almost

How to install the jtomcat8.5 server on CentOS 7

1. Download tomcat8.5 and Unzip2. Copy the extracted files to the USR directory3. Execution:/usr/tomcat8.5/bin/startup.sh If the prompt permission is insufficient, execute:chmod +x/usr/tomcat8.5/bin/startup.sh4. Port settings:Firewall-cmd--permanent-

NIC Bonding on CentOS 7 with NMCLI

NIC Bonding on CentOS 7 with NMCLI 1. . Strong style= "padding:0px;margin:0px;" > By default, the bonding kernel module is not enabled. Therefore, we will need to load it and make sure it lasts. Using Modprobe--first-time to load the bonding

CentOS Upgrade JDK

1. Download the appropriate version of the JDK:wget--no-check-certificate--no-cookie--header "Cookie:oraclelicense=accept-securebackup-cookie;" http:// download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.rpmBecause the official website

CentOS Set Static IP

1. Edit the NIC filevi /etc/sysconfig/network-scripts/ifcfg-eth0 # eth0 for network card numberTo set the IPV4 information for the NIC Eth0, it is important to note that the ipaddr set up needs to be in the same network segment as the other

Common CentOS 6/7 extension sources

1, the system comes withBaseExtrasUpdates2, EpelYum Install Epel-releaseHttps://fedoraproject.org/wiki/EPEL3, El (for upgrading the kernel)RPM--import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org-UVH http://

Configuration of the CentOS 6.8yum source

Centos Configuration 163 Yum Source 1, first back up the current system's Yum source # MV/ETC/YUM.REPO.D/CENTOS-BASE.REPO/ETC/YUM.REPO.D/CENTOS-BASE.REPO.D.BAK2, Download the relative version of the repo file in http://mirrors.centos.com/.html/, and

The Yum source for CentOS configuration 163

1: Download Repo filewget Http://mirrors.163.com/.help/CentOS6-Base-163.repo2: Back up and replace the system's repo file[Email protected] ~]# cd/etc/yum.repos.d/[Email protected] ~]# MV Centos-base.repo Centos-base.repo.bak[Email protected] ~]# MV

Centos 6.8 startup damage repair

Centos 6.8 startup damage repair Two days ago, I encountered a problem. centos had to start with CD to enter the system. At that time, I wanted to perform a test. Now I have time to try it in VMWare. The idea is this: delete the files in the boot

Solve the Error resolving sysca when running docker containers in centos 7

Solve the Error resolving sysca when running docker containers in centos 7 Docker is being studied recently! Running docker in centos7 of a virtual machine often includes: [Jm @ localhost docker] $ docker run-it lin/centos6/bin/bash 2016/11/08 19:38

Solve the error of running Elasticsearch by root in centos.

Solve the error of running Elasticsearch by root in centos. Run Elasticsearch 6.5 on CentOS 2.3. The exception is as follows: Exception in thread "main" java.lang.RuntimeException: don't run elasticsearch as root. at

Solve the Problem of Adobe Flash Player is out of date in Chrome in CentOS

Solve the Problem of Adobe Flash Player is out of date in Chrome in CentOS I have used only two linux releases, Ubuntu and Centos. After Google Chrome is installedAdobe Flash Player is out of date. I have also referred to many methods on the

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