Linux Java基础安装

安装JDK

1. 删除自带JDK

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rpm -qa |   grep -i java

rpm -e --nodeps java-1.7.0-openjdk-1.7......

 2.解压包

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cd /root

tar -zxvf jdk-8u181-linux-x64.gz -C   /usr/local

cd /usr/local

3. 添加环境变量

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vim  /etc/profile .d  /jdk .sh

export JAVA_HOME=  /usr/local/jdk

export CLASSPATH=.:$JAVA_HOME  /dt .jar:$JAVA_HOME  /lib/tools .jar

export PATH=$PATH:$JAVA_HOME  /bin

source /etc/profile

4.验证

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java -version

 

安装Nginx

1.解压

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tar -zxvf nginx-1.22.0.tar.gz

2.安装缺失依赖

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yum   install pcre

yum   install pcre-devel

yum   install zlib

yum   install zlib-devel　　

3. 配置

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cd nginx-1.22.0

.  /configure

4.编译

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make &&  make install

5.离线包默认在/usr/local 下　　

 

安装Redis

1.编译

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tar -zxvf redis-5.0.14.  tar .gz

cd redis-5.0.14

make

cd src

make install PREFIXE=  /opt/redis

2.配置文件

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cp ..  /redis .conf    /opt/redis/

3.修改配置文件

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# bind 127.0.0.1

protected-mode yes

daemonize yes

requirepass password

maxclients 10000

notify-keyspace-events "AKE"

4.启动

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/opt/redis/bin/redis-server /opt/redis/redis .conf

　

安装Mysql

1.清理mariadb

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1 2	rpm -qa|  grep mariadb rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64

2.添加mysql组和用户

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1 2	groupadd mysql useradd -r -s   /sbin/nologin -g mysql mysql

 3.上传安装包至home/apps/目录下，解压重命名

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1 2	tar -zxvf mysql-8.0.31-linux-glibc2.12-x86_64.   tar .gz mv mysql-8.0.31-linux-glibc2.12-x86_64 mysql

4.在mysql目录下创建数据目录

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1 2	mkdir data chown -R mysql:mysql data/

5.初始化

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1	cd bin <br>. /mysqld --initialize-insecure --lower-  case -table-names=1 --user=mysql --basedir  /home/apps/mysql --datadir=  /home/apps/mysql/data

6.配置

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cp /opt/mysql/support-files/mysql .server   /etc/init .d  /mysqld vim   /etc/init .d  /mysqld basedir=  /home/apps/mysql datadir=  /home/apps/mysql/data

7.配置my.cnf

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[mysql] default-character-  set =utf8 [mysqld] skip-name-resolve port=3306 basedir=  /home/apps/mysql datadir=  /home/apps/mysql/data max_connections=1000 character-  set -server=utf8 default-storage-engine=INNODB lower_case_table_names=1 max_allowed_packet=1024M default-  time -zone=  '+8:00'

8.软连接

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1 2	ln -s   /home/apps/mysql/bin/mysql /etc/init .d  /mysqld ln -s   /home/apps/mysql/bin/mysqldump /etc/init .d  /mysqld

9.检查启动

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/sbin/chkconfig mysqld on systemctl   enable mysqld systemctl status mysqld systemctl start mysqld

10.修改密码

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mysql -uroot -p USE mysql; UPDATE user   set host   '%' where user =   'root' ; ALTER USER   'root' @  '%' IDENTIFIED WITH mysql_native_password by   'password' ; grant all privileges on *.* to   'root' @  '%' ; flush privileges; exit ;