Guide for building the JavaEE environment on the CentOS server (Remote Desktop + JDK + Tomcat + MySQL) and centosjavaee

Guide for building the JavaEE environment on the CentOS server (Remote Desktop + JDK + Tomcat + MySQL) and centosjavaee
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1. system settings:

1.1 remote desktop settings: Set in the window
System -- preferences -- Remote Desktop
Select: allow other users to control your desktop
Cancel: You must confirm each access for this machine
Set access password

1.2 Set firewall
System -- Management -- firewall -- Option
Disable the firewall.
// Command method: Firewall shutdown and startup
/Etc/init. d/iptables status
/Etc/init. d/iptables stop
Permanently disable the Firewall:
Chkconfig -- level 35 iptables off
Service iptables stop
// Add port 8080 to the firewall configuration, regardless of the firewall. perform the following operations:
[Root @ localhost ~] # Vi +/etc/sysconfig/iptables
# Add the following code
-A RH-Firewall-1-INPUT-m state -- state NEW-m tcp-p tcp -- dport 8080-j ACCEPT
// Restart the Firewall
[Root @ localhost ~] # Service iptables restart

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2. Install JDK:

Jdk-7u45-linux-i586.rpm
// Switch the root user
[Root @ localhost ~] # Su root
// Enter the downloaded rpm directory and execute the following command
[Root @ localhost ~] # Rpm-ivh jdk-7u45-linux-i586.rpm
// Edit system environment variables
[Root @ localhost ~] # $ Vi/etc/profile
// Input o and add the following content at the end: wq (save and quit), q! (Exit without saving)
JAVA_HOME =/usr/java/jdk1.7.0 _ 45
JRE_HOME =/usr/java/jdk1.7.0 _ 45/jre
PATH = $ PATH: $ JAVA_HOME/bin: $ JRE_HOME/bin
CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar: $ JRE_HOME/lib
[Root @ localhost ~] # Export JAVA_HOME JRE_HOME PATH CLASSPATH
// Make the environment variable take effect immediately
[Root @ localhost ~] # $ Source/etc/profile
// Test whether the installation is successful. Enter java, java-version, and javac in sequence to view the output information, such
[Root @ localhost ~] # Java
[Root @ chenpc-cent tools] # java-version

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3. install apache-tomcat

Apache-tomcat-7.0.54.tar.gz
// Enter the downloaded apache-tomcat directory and execute the following command
[Root @ localhost ~] # Tar-zxv-f apache-tomcat-7.0.54.tar.gz // extract the compressed package
[Root @ localhost ~] # Rm-rf apache-tomcat-7.0.54.tar.gz // Delete package
// Move the apache-tomcat directory to/usr/local/and execute the following command
[Root @ localhost ~] # Mv apache-tomcat-7.0.54/usr/local/apache-tomcat-7.0.54
(If it cannot be moved, you can also create a directory: mkdir-p/usr/local/apache-tomcat-7.0.54)

// Add Environment Variables
CATALINA_BASE:/usr/local/apache-tomcat-7.0.54
CATALINA_HOME:/usr/local/apache-tomcat-7.0.54
CATALINA_TMPDIR:/usr/local/apache-tomcat-7.0.54/temp
JRE_HOME:/usr/java/jdk1_7_45/jre
CLASSPATH:/usr/local/apache-tomcat-7.0.54/bin/bootstrap. jar:/usr/local/apache-tomcat-7.0.54/bin/tomcat-juli.jar

// Start tomcat
[Root @ localhost ~] #/Usr/local/apache-tomcat-7.0.54/bin/startup. sh
// View the startup log
[Root @ localhost ~] #/Usr/local/apache-tomcat-7.0.54/logs/catalina. out

Verify Tomcat installation and running
// Check whether tomcat works properly at the following address:
Http: // 127.0.0.1: 8080/
// The tomcat System Interface is displayed, indicating that the installation is successful!
// Stop Tomcat
[Root @ localhost ~] #/Usr/local/apache-tomcat-7.0.54/bin/shutdown. sh

Set to enable auto-start:
[Root @ localhost ~] # Vi/etc/rc. d/rc. local
Export JAVA_HOME =/usr/java/jdk1.7.0 _ 45
Export CLASSPATH =.: $ JAVA_HOME/jre/lib/rt. jar: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar
Export PATH = $ PATH: $ JAVA_HOME/bin
Export CATALINA_HOME =/usr/local/apache-tomcat-7.0.54
# Tomcat self-start
/Usr/local/apache-tomcat-7.0.54/bin/startup. sh


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4. Install Mysql

MySQL-5.6.20-1.el6.x86_64.rpm-bundle.tar
Check whether mysql is installed: rpm-qa | grep mysql
// View the current mysql process of the system
[Root @ localhost ~] Ps aux | grep mysq *
// If other mysql versions have been installed or reinstalled, delete all directory residues of mysql and execute the following command
Rpm-e -- nodeps MySQL-server-5.6.17-1.el6.i686
Rm-rf/var/lib/mysql
Rm-rf/usr/lib/mysql
Rm-rf/home/undoner/mysqldata (mysqldata can also be used to customize other folders)
Rm-rf/etc/my. cnf
Rm-rf/usr/my. cnf
Rm-rf/root/. mysql_secret

There are three installation methods:
A default RPM installation method (use the default configuration)
B custom RPM installation (custom database path, my. cnf configuration, log Path, etc)
C. Use the source code compilation package for custom installation (not included)
D. Use CentOS built-in yum tool for automatic installation (earlier version)

--------------------------------------------------------
A default RPM installation method (use the default configuration)
// Enter the downloaded mysql directory and execute the following command
[Root @ localhost ~] # Cd/home/undoner/software
// Decompress the compressed package
[Root @ localhost ~] # Tar-xvf MySQL-5.6.20-1.el6.x86_64.rpm-bundle.tar
// Run the rpm file, which must be installed on the server.
[Root @ localhost ~] Cd/home/undoner/software/
[Root @ localhost ~] Rpm-iv MySQL-server-5.6.20-1.el6.x86_64.rpm
[Root @ localhost ~] Rpm-iv MySQL-client-5.6.20-1.el6.x86_64.rpm
[Root @ localhost ~] Rpm-iv MySQL-devel-5.6.20-1.el6.x86_64.rpm
(If you install mysql directly, no default mysql group or mysql user is displayed)
Option: Add mysql groups and users.
[Root @ localhost ~] # Groupadd mysql
[Root @ localhost ~] # Useradd-g mysql
[Root @ localhost ~] # Passwd mysql // change the User Password

* ****************** Description of the default installation directory of mysql
/Var/lib/mysql database file
/Usr/share/mysql command and configuration file
/Usr/bin (commands such as mysqladmin and mysqldump)

* ***************** Modify/var/lib/mysql Permissions
// Any user in this directory has all Permissions
[Root @ localhost ~] Chmod-R 777/var/lib/mysql
// Alternative: If a mysql user is created, change the directory owner from root to mysql.
[Root @ localhost ~] Chown-R mysql/var/lib/mysql

* ****************** Start mysql:
[Root @ localhost ~] Service mysql status
Result: "SUCCESS" is running.
"FAILED" is not running
Start: [root @ localhost ~] Service mysql start
Close: [root @ localhost ~] Service mysql stop

* ***************** Other MySQL service commands
A. Check whether mysql is in the auto start list: #/sbin/chkconfig -- list
B. add mysql to the system self-starting service group: #/sbin/chkconfig -- add mysql
C. Delete mysql from the startup Service Group: #/sbin/chkconfig -- del mysql
D. stop the mysql service: # service mysql stop
E. Run the script to start the mysql service: #/etc/rc. d/init. d/mysqld start
F. Run the script to stop the mysql service: #/etc/rc. d/init. d/mysqld stop
// Start automatically by default! 2-5 is enabled
[Root @ localhost ~] /Sbin/chkconfig -- list

// View the current Default root Account Password (random value generated by installation)
[Root @ localhost ~] Vim/root/. mysql_secret
// Copy the current root account password and log on to mysql
[Root @ localhost ~] Mysql-uroot-p
// Change the current password after logging on to mysql
Mysql> set password = PASSWORD ('root ');
Mysql> show databases;
Mysql> quit
// Use the new password "root" to log on again to check whether remote connection is allowed (denied by default) and add the remote root user access permission.
Mysql> use mysql;
Mysql> select host, user, password from user;
Mysql> grant all privileges on *. * to root @ "%" identified by 'root' with grant option;
Change the default MySQL character set (the default character set is the same as the operating system character set, so you do not need to set it)
// View the mysql character set:
Mysql> show variables like 'character _ set _ % ';
// Add the mysql configuration file and set the default encoding Character Set
[Root @ localhost ~] Service mysql stop
[Root @ localhost ~] Cp/usr/share/mysql/my-default.cnf/etc/my. cnf
[Root @ localhost ~] Vim/etc/my. cnf
[Mysql]
Default-character-set = utf8
[Client]
Port = 3306
Socket =/var/lib/mysql. sock
Default-character-set = utf8
[Mysqld]
Bind-address = 0.0.0.0
User = root
Port = 3306
Default_storage_engine = InnoDB
Character-set-server = utf8
Lower_case_table_names = 1
Socket =/var/lib/mysql. sock
...
[Root @ localhost ~] Service mysql start
[Root @ localhost ~] Mysql-uroot-p
// Log on again to view the default mysql Encoding
Mysql> show variables like 'character _ set _ % ';
// View mysql Log Information
Cat/var/lib/mysql/localhost. localdomain. err


**************************************** *****************
// Modify/etc/init. d/mysql. If it is null by default, it indicates the directory. You do not need to change it.
Vi/etc/init. d/mysql
Datadir =/var/lib/mysql
Basedir =/var/lib/mysql
Mysql_install_db -- user = root -- basedir =/var/lib/mysql -- datadir =/var/lib/mysql-defaults-file =/etc/my. cnf
**************************************** *****************

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B custom RPM installation (custom database path, my. cnf configuration, log Path, etc)

// Enter the downloaded mysql directory and execute the following command
[Root @ localhost ~] # Cd/home/undoner/software
[Root @ localhost ~] # Tar-xvf MySQL-5.6.17-1.el6.i686.rpm-bundle.tar // extract the compressed package

// Run the rpm file
[Root @ localhost ~] Cd/home/undoner/software/
[Root @ localhost ~] Rpm-iv MySQL-server-5.6.17-1.el6.i686.rpm
[Root @ localhost ~] Rpm-iv MySQL-client-5.6.17-1.el6.i686.rpm
[Root @ localhost ~] Rpm-iv MySQL-devel-5.6.17-1.el6.i686.rpm

// Modify the data storage path and put the default mysql database file in your home directory:
[Root @ localhost ~] Cp-r/var/lib/mysql/home/undoner/mysqldata

// Modify the default configuration file
[Root @ localhost ~] Vi/etc/my. cnf
/Usr/share/mysql/my-huge.cnf is the built-in template configuration file, modify Add the following content:
[Root @ localhost ~] Vi/etc/my. cnf
My. cnf file content:
[Mysql]
# CLIENT #
Port = 3306
Socket =/home/undoner/mysqldata
Default-character-set = utf8
[Mysqld]
# GENERAL #
Bind-address = 0.0.0.0
Port = 3306
# Datadir =/var/lib/mysql
# Data storage #
Datadir =/home/undoner/mysqldata
Basedir =/home/undoner
# Socket =/var/lib/mysql. sock
Socket =/tmp/mysql. sock
Default_storage_engine = InnoDB
Character-set-server = utf8
User = root
# Disabling symbolic-links is recommended to prevent assorted security risks
Symbolic-links = 0
# MyISAM #
Key_buffer_size = 32 M
Myisam_recover = FORCE, BACKUP
# SAFETY #
Max_allowed_packet = 16 M
Max_connect_errorrs = 1000000
Skip_name_resolve
# Binary logging #
# Log_bin =/data/mysql-bin
Expire_logs_days = 14
Sync_binlog = 1
# Caches and limits #
Tmp_table_size = 32 M
Max_heap_table_size = 32 M
Query_cache_type = 0
Query_cache_size = 0
Max_connections = 500
Thread_cache_size = 50
Open_files_limit = 65535
Table_definition_cached = 1024
Table_open_cache = 2048
# INNODB #
Innodb_flush_method = O_DIRECT
Innodb_log_files_in_group = 2
Innodb_log_file_size = 256 M
Innodb_flush_log_at_trx_commit = 1
Innodb_file_per_table = 1
Innodb_buffer_pool_size = 10G
Innodb_thread_concurrency = 12
Thread_handling = pool-of-threads
# Auto_increment_increment = 2
# Auto_increment_offset = 0
# LOGGING #
Log_error =/tmp/mysql-error.log
Log_queries_not_using_indexes = 1
Slow_query_log = 1
# Slow_query_log_file =/tmp/mysql-slow.log
[Mysqld_safe]
Log-error =/tmp/mysql. log
Pid-file =/tmp/mysql. pid

// Directly copy the modified configuration file my. cnf to the/etc/directory.
[Root @ localhost ~] Cp/my. cnf/etc/my. cnf

// Modify/home/undoner/mysqldata Permissions
// Any user in this directory has all Permissions
[Root @ localhost ~] Chmod-R 777/home/undoner/mysqldata
// Modify the directory owner to a mysql user
[Root @ localhost ~] Chown-R mysql/home/undoner/mysqldata

// Execute the mysql database installation operation and specify the datadir directory we have defined:
[Root @ localhost ~] Mysql_install_db -- datadir =/home/undoner/mysqldata

// Start the database:
[Root @ localhost ~] Mysqld
Fatal error: Please read "Security" section of the manual to find out how to run mysqld as root!
If the above error occurs, add mysqld in/etc/my. conf.
User = root

// Log on to the database
Mysql-h127.0.0.1-P3371-uroot-p
// No password by default

// Change the password:
Sudo mysqladmin-h127.0.0.1-uroot password root
Or
Enter the password. The initial root password is saved in the '/root/. mysql_secret' file.
Log on to mysql and enter mysql> set password = PASSWORD ('root ');

Ln-s/home/undoner/mysqldata/var/lib/
// Modify/etc/init. d/mysql
Vi/etc/init. d/mysql
Datadir =/home/undoner/mysqldata
Basedir =/home/undoner

Run the command: #/etc/rc. d/init. d/mysql status
Result: "SUCCESS" is running.
"FAILED" is not running

// Configure the remote access and database code, which is the same as that installed on side A. view the error log information:
Cat/home/undoner/mysqldata/localhost. localdomain. err

Bytes ----------------------------------------------------------------------------------------------------------

**************************************** **********************
// Install the Chinese Input Method
[Root @ admin java] # yum install "@ Chinese Support"

// View the number of places in your system in centos
[Root @ localhost ~] # Uname-
Linux localhost. localdomain 2.6.18-164. el5 #1 SMP Thu Sep 3 03:33:56 EDT 2009 i686 i686 i386 GNU/Linux
[Root @ localhost ~] # Getconf WORD_BIT
32
[Root @ localhost ~] # Echo $ HOSTTYPE
I686
This is my machine. If it is 64-bit, the first and third commands will display: x86_64

// Check the number of JDK digits in centos.
# Java-version
Java version "1.6.0 _ 26"
Java (TM) SE Runtime Environment (build 1.6.0 _ 26-b03)
Java HotSpot (TM) Server VM (build between 1-b02, mixed mode)
If it is 64-Bit, the last line will display 64-Bit
# Java-version
Java version "1.6.0 _ 26"
Java (TM) SE Runtime Environment (build 1.6.0 _ 26-b03)
Java HotSpot (TM) 64-Bit Server VM (build between 1-b02, mixed mode)

Bytes ---------------------------------------------------------------------------------------------------------
// Configure the vncserver:
Change the execution permission:
Sudo chmod u + rwx/etc/sysconfig/vncservers
// Modify the configuration file
Su root
Vi/etc/sysconfig/vncservers
// The number 1 corresponds to the connection time, for example, 192.168.1.101: 1
VNCSERVERS = "1: undoner"
VNCSERVERARGS [1] = "-geometry 1024x768-nolisten tcp"
How can I build an apache + php + mysql website running environment through the remote service of the pure centos system ??

You can go to wdlinux to check that there is a one-click installation package.

Question Tag: Linux CentOS 62 Remote Server jdk installation fails.

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