Centos installation Configuration

VirtualBox Install CentOS

Centos7 Restart prompt after installation Initial setup of the CentOS Linux 7 (CORE) workaround

Problem:

CentOS7 installation is complete, restart boot after the display:

Initial setup of CentOS Linux 7 (CORE)

1) [x] creat user 2) [!] License Information

(no user would be created) (License not accepted)

Your choice from above [' Q ' to quit | ' C ' to continue | ' R ' to refresh]:

Workaround:

Enter "1" and press enter

Enter "2" and press enter

Enter "q"and press enter

Enter "Yes" and press the enter key

CentOS set static IP address

Vi/etc/sysconfig/network-scripts/ifcfg-enp0s8

Bootproto=static #dhcp Change to static

IPADDR=172.31.44.100 # static IP

gateway=172.31.44.1 # Default gateway

netmask=255.255.255.0 # Subnet Mask

dns1=172.28.4.103 #DNS Configuration

CentOS 7 Modify host name

Hostname

Hostnamectl set-hostname "Registry"

Hostname

Shut down the firewall

/etc/init.d/iptables stop

Systemctl Stop Firewalld.service # stop firewall

Systemctl Disable Firewalld.service # disable firewall boot up

Systemctl Restart Network # Restart the Web service networks restart

Open port number

Vim/etc/sysconfig/iptables

CentOS Firewall Open port -- add a line after Port

-A input-m state--state new-m tcp-p TCP--dport 3306-j ACCEPT

Service Iptables Restart

Centos7 set to boot default command line mode

1, Command mode

Systemctl Set-default Multi-user.target

2, graphics mode

Systemctl Set-default Graphical.target

SSH [email protected]

How to open SSH service for CENTOS7 system

1, login Centos7 System.

Example: log in with the root user.

Note: If you log in as a non- root user, add sudo if you are not authorized to perform certain commands

2.Check if SSH is installed.

input command:RPM-QA | grep ssh

Note: If not installed SSH can be entered:yum install openssh-server installation.

3, start the SSH service.

input command:service sshd restart restart SSH service.

command: service sshd Start Services | command:servicesshd Stop Services

after reboot can input:NETSTAT-ANTP | grep sshd to see if the port is started (slightly).

4.How to set up SSH service to boot?

input command:chkconfig sshd on .

Note: SSH boot is not allowed if chkconfig sshd off .

5, remote access connection Centos7 System.

use under Windows:putty,securecrt can connect to SSH service remotely.

Direct Use command under Linux:ssh IP(e.g.ssh 192.168.1.11).

Configuration Java Environment Variables

Vim/etc/profile

Export java_home=/root/java/jdk1.7.0_79

Export path= $JAVA _home/bin: $PATH

Export maven_home=/root/java/apache-maven-3.3.9

Export path= $MAVEN _home/bin: $PATH

Source/etc/profile

Cron

http://blog.csdn.net/yq495/article/details/7399277

1.Yum Install Vixie-cron

2,vi backup.sh

#!/bin/sh

# file:/home/mysql/backup.sh

today= ' Date +%y%m%d '

Echo $today

Mysqldump-uroot-pyunluqwe-h 127.0.0.1 Yunlu >/home/mysql/backup/$today. sql

3,crontab-e

3 * * */home/mysql/backup/backup.sh

4,/sbin/service crond Restart

Complete Example of installing Memcached under Centos6.5

Http://www.tuicool.com/articles/qYJBVb

my own installation of Zentao Zen Road (both Windows and Linux have tried )

http://blog.csdn.net/lwx2615/article/details/6124125

install mysql

Http://www.cnblogs.com/hb_cattle/archive/2011/10/16/2213825.html

Uninstall old version

Yum Remove mysql-libs-5.1.71-1.el6.x86_64

Rpm-qa | grep MySQL

Yum-y Install Perl

Yum Install Libaio

RPM-IVH libaio-0.3.107-10.el6.x86_64.rpm

RPM-IVH mysql-server-5.5.39-2.rhel5.x86_64.rpm

RPM-IVH mysql-client-5.5.39-2.rhel5.x86_64.rpm

RPM-IVH mysql-devel-5.5.39-2.rhel5.x86_64.rpm

modifying the MySQL character set

Cp/usr/share/doc/mysql-server-5.1.61/my-medium.cnf/etc/my.cnf

Vi/etc/my.cnf

[Client]

Default-character-set=utf8

[Mysqld]

Character-set-server=utf8

Collation-server=utf8_general_ci

Init-connect = ' Set names UTF8 '

Flush privileges;

Centos mysql configuration master-Slave

Master

# The MySQL server

[Mysqld]

user = MySQL

Pid-file =/var/lib/mysql/mysqld.pid

Socket =/var/lib/mysql/mysqld.sock

Port = 3306

Basedir =/usr

DataDir =/var/lib/mysql

Tmpdir =/tmp

Log-bin = Master-bin

Log-bin-index = Master-bin.index

Server-id = 1

CREATE USER Repl_user;

GRANT REPLICATION SLAVE on * * to Repl_user identified by ' [email protected] #qwe ';

Slave

# The MySQL server

[Mysqld]

user = MySQL

Pid-file =/var/lib/mysql/mysqld.pid

Socket =/var/lib/mysql/mysqld.sock

Port = 3306

Basedir =/usr

DataDir =/var/lib/mysql

Tmpdir =/tmp

Server-id = 2

Relay-log-index = Slave-relay-bin.index

Relay-log = Slave-relay-bin

Log-bin=mysql-bin

?

Comment out the following

#server-id = 1

Change MASTER to Master_host = ' 60.194.51.21 ', Master_port = 3306, Master_user = ' Repl_user ', Master_password = ' [Email pr Otected] #qwe ';

START SLAVE;

Stop master-slave replication

Slave stop;

Reset slave;

Flush privileges;

http://blog.csdn.net/shaobingj126/article/details/8128287

Centos installation Configuration