linux 系统环境部署

1.jdk 安装
1).tar -zxvf jdk-1.7.0….,修改解压后的包名为 jdk7
2).配置环境变量
打开/etc/profile，在文件最后添加

export JAVA_HOME=/usr/local/jdk7 
export JRE_HOME=/usr/local/jdk7/jre
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$PATH

使环境变量立即生效，输入命令：source /etc/profile

2.tomcat 安装
1).tar -zxvf apache-tomcat-7.0.69….
2).修改server.xml

3.mysql数据库安装

查看系统版本

  [mysql@localhost scripts]$ uname -a
 Linux localhost.localdomain 2.6.32-358.el6.x86_64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

解压：[root@localhost mysql]# tar -zxf mysql-5.6.30-linux-glibc2.5-x86_64.tar.gz 修改名字为mysql
创建mysql用户：[root@localhost mysql]# useradd mysql
设置mysql用户密码：[root@localhost mysql]# echo ‘123456’|passwd –stdin mysql
设置权限：
[root@localhost mysql]# cd /usr/local
[root@localhost local]# chown -R mysql:mysql mysql/
切换到mysql用户
[root@localhost local]# su - mysql
[mysql@localhost ~]$ cd /usr/local/mysql/scripts/
安装：
[mysql@localhost scripts]$ ./mysql_install_db –user=mysql –basedir=/usr/local/mysql –datadir=/usr/local/mysql/data
输出信息：

[mysql@localhost scripts]$ ./mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
Installing MySQL system tables...2016-04-17 07:41:40 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2016-04-17 07:41:40 0 [Note] /usr/local/mysql/bin/mysqld (mysqld 5.6.30) starting as process 3394 ...
2016-04-17 07:41:40 3394 [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000)

2016-04-17 07:41:40 3394 [Warning] Buffered warning: Changed limits: table_open_cache: 431 (requested 2000)

2016-04-17 07:41:40 3394 [Note] InnoDB: Using atomics to ref count buffer pool pages
2016-04-17 07:41:40 3394 [Note] InnoDB: The InnoDB memory heap is disabled
2016-04-17 07:41:40 3394 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-04-17 07:41:40 3394 [Note] InnoDB: Memory barrier is not used
2016-04-17 07:41:40 3394 [Note] InnoDB: Compressed tables use zlib 1.2.3
2016-04-17 07:41:40 3394 [Note] InnoDB: Using Linux native AIO
2016-04-17 07:41:40 3394 [Note] InnoDB: Using CPU crc32 instructions
2016-04-17 07:41:40 3394 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-04-17 07:41:40 3394 [Note] InnoDB: Completed initialization of buffer pool
2016-04-17 07:41:41 3394 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created!
2016-04-17 07:41:41 3394 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB
2016-04-17 07:41:41 3394 [Note] InnoDB: Database physically writes the file full: wait...
2016-04-17 07:41:41 3394 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB
2016-04-17 07:41:42 3394 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB
2016-04-17 07:41:44 3394 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile0
2016-04-17 07:41:44 3394 [Warning] InnoDB: New log files created, LSN=45781
2016-04-17 07:41:44 3394 [Note] InnoDB: Doublewrite buffer not found: creating new
2016-04-17 07:41:44 3394 [Note] InnoDB: Doublewrite buffer created
2016-04-17 07:41:44 3394 [Note] InnoDB: 128 rollback segment(s) are active.
2016-04-17 07:41:44 3394 [Warning] InnoDB: Creating foreign key constraint system tables.
2016-04-17 07:41:44 3394 [Note] InnoDB: Foreign key constraint system tables created
2016-04-17 07:41:44 3394 [Note] InnoDB: Creating tablespace and datafile system tables.
2016-04-17 07:41:44 3394 [Note] InnoDB: Tablespace and datafile system tables created.
2016-04-17 07:41:44 3394 [Note] InnoDB: Waiting for purge to start
2016-04-17 07:41:44 3394 [Note] InnoDB: 5.6.30 started; log sequence number 0
2016-04-17 07:41:45 3394 [Note] Binlog end
2016-04-17 07:41:45 3394 [Note] InnoDB: FTS optimize thread exiting.
2016-04-17 07:41:45 3394 [Note] InnoDB: Starting shutdown...
2016-04-17 07:41:46 3394 [Note] InnoDB: Shutdown completed; log sequence number 1625977
OK

Filling help tables...2016-04-17 07:41:46 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2016-04-17 07:41:46 0 [Note] /usr/local/mysql/bin/mysqld (mysqld 5.6.30) starting as process 3417 ...
2016-04-17 07:41:46 3417 [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000)

2016-04-17 07:41:46 3417 [Warning] Buffered warning: Changed limits: table_open_cache: 431 (requested 2000)

2016-04-17 07:41:46 3417 [Note] InnoDB: Using atomics to ref count buffer pool pages
2016-04-17 07:41:46 3417 [Note] InnoDB: The InnoDB memory heap is disabled
2016-04-17 07:41:46 3417 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-04-17 07:41:46 3417 [Note] InnoDB: Memory barrier is not used
2016-04-17 07:41:46 3417 [Note] InnoDB: Compressed tables use zlib 1.2.3
2016-04-17 07:41:46 3417 [Note] InnoDB: Using Linux native AIO
2016-04-17 07:41:46 3417 [Note] InnoDB: Using CPU crc32 instructions
2016-04-17 07:41:46 3417 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-04-17 07:41:46 3417 [Note] InnoDB: Completed initialization of buffer pool
2016-04-17 07:41:46 3417 [Note] InnoDB: Highest supported file format is Barracuda.
2016-04-17 07:41:46 3417 [Note] InnoDB: 128 rollback segment(s) are active.
2016-04-17 07:41:46 3417 [Note] InnoDB: Waiting for purge to start
2016-04-17 07:41:46 3417 [Note] InnoDB: 5.6.30 started; log sequence number 1625977
2016-04-17 07:41:46 3417 [Note] Binlog end
2016-04-17 07:41:46 3417 [Note] InnoDB: FTS optimize thread exiting.
2016-04-17 07:41:46 3417 [Note] InnoDB: Starting shutdown...
2016-04-17 07:41:48 3417 [Note] InnoDB: Shutdown completed; log sequence number 1625987
OK

To start mysqld at boot time you have to copy
support-files/mysql.server to the right place for your system

PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:

  /usr/local/mysql/bin/mysqladmin -u root password 'new-password'
  /usr/local/mysql/bin/mysqladmin -u root -h localhost.localdomain password 'new-password'

Alternatively you can run:

  /usr/local/mysql/bin/mysql_secure_installation

which will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.

See the manual for more instructions.

You can start the MySQL daemon with:

  cd . ; /usr/local/mysql/bin/mysqld_safe &

You can test the MySQL daemon with mysql-test-run.pl

  cd mysql-test ; perl mysql-test-run.pl

Please report any problems at http://bugs.mysql.com/

The latest information about MySQL is available on the web at

  http://www.mysql.com

Support MySQL by buying support/licenses at http://shop.mysql.com

New default config file was created as /usr/local/mysql/my.cnf and
will be used by default by the server when you start it.
You may edit this file to change server settings

WARNING: Default config file /etc/my.cnf exists on the system
This file will be read by default by the MySQL server
If you do not want to use this, either remove it, or use the
--defaults-file argument to mysqld_safe when starting the server

这里可能会报错：scripts/mysql_install_db: /usr/bin/perl: bad interpreter: No such file or directory。
需要安装perl以及perl-devel.执行命令：yum –y install perl perl-devel

重点注意：这里要从mysql用户切换成root用户
[mysql@iZbp144hu8106j2gxaqu0tZ support-files]$ su - root
Password: 输入密码，然后切换到cd usr/local/mysql/support-files/
配置文件
cp my-default.cnf /etc/my.cnf
cp mysql.server /etc/init.d/mysql # 注意这里的mysql是服务，不是文件
vim /etc/init.d/mysql #若mysql的安装目录是/usr/local/mysql,则可省略此步
修改文件中的两个变更值
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data

配置环境变量

 vi /etc/profile
export MYSQL_HOME=/usr/local/mysql
export PATH=$MYSQL_HOME/bin:$PATH

保存退出
source /etc/profile
启动

[root@localhost mysql]# chkconfig --add mysql
[root@localhost mysql]# chkconfig mysql on
[root@localhost mysql]# service mysql start
Starting MySQL.. SUCCESS!

设置root登录密码：第一次默认是空
1.如果没改过密码的

# mysql -uroot -p
Enter password: 【输入原来的密码，第一次为空】
mysql>use mysql;
mysql> update user set password=passworD("test") where user='root';
mysql> flush privileges;
mysql> exit;

2.改过密码忘记了的

 首先，你必须要有操作系统的root权限了。要是连系统的root权限都没有的话，先考虑root系统再走下面的步骤。
类似于安全模式登录系统，有人建议说是pkill mysql，但是我不建议哈。因为当你执行了这个命令后，会导致这样的状况：
/etc/init.d/mysqld status
mysqld dead but subsys locked
这样即使你是在安全模式下启动mysql都未必会有用的，所以一般是这样/etc/init.d/mysqld stop，如果你不幸先用了pkill，那么就start一下再stop咯。
# mysqld_safe --skip-grant-tables &
&，表示在后台运行，不再后台运行的话，就再打开一个终端咯。
# mysql
mysql> use mysql;
mysql> UPDATE user SET password=password("test123") WHERE user='root';   
mysql> flush privileges;
mysql> exit;

设置登录权限：
mysql> GRANT ALL PRIVILEGES ON . TO ‘root’@’%’ IDENTIFIED BY ‘password’ WITH GRANT OPTION;
如果还不能外部链接，用客户端telnet 访问下3306接口是否是通的。
参考文献：https://blog.csdn.net/zhangming1013/article/details/51176242

linux 系统 环境部署

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