【Linux】Linux软件安装：

---

一、安装jdk：

tar -zxvf jdk-8u171-linux-x64.tar.gz  -C /usr/local

vim /etc/profile

#i=>G=>ESC=>:wq
JAVA_HOME=/usr/local/jdk1.8.0_171
PATH=$JAVA_HOME/bin:$PATH

source /etc/profile

java -version

二、安装Tomcat：

【1】安装Tomcat

tar -zxvf apache-tomcat-7.0.57.tar.gz  -C /usr/local

cd /usr/local
cd apache-tomcat-7.0.57/
cd bin

sh startup.sh

more /usr/local/apache-tomcat-7.0.57/logs/catalina.out 

ps -ef|grep tomcat

【2】设置防火墙

systemctl status firewalld  或者firewall-cmd --state

firewall-cmd --zone=public --add-port=8080/tcp --permanent		# tomcat:8080
firewall-cmd --zone=public --add-port=3306/tcp --permanent   	# mysql:3306

firewall-cmd --reload

firewall-cmd --zone=public --list-ports

【3】停止tomcat服务

./shutdown.sh 

三、安装MySQL：

【1】查看是否安装及卸载冲突软件

rpm -qa|grep mysql

rpm -qa|grep mariadb

#rpm -e --nodeps 软件名称	#卸载软件
rpm -e --nodeps mariadb-libs-5.5.60-1.el7_5.x86_64  #卸载冲突软件

【2】安装MySQL

mkdir /usr/local/mysql

tar -zxvf mysql-5.7.25-1.el7.x86_64.rpm-bundle.tar.gz -C /usr/local/mysql

cd /usr/local/mysql

rpm -ivh mysql-community-common-5.7.25-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.25-1.el7.x86_64.rpm
rpm -ivh mysql-community-devel-5.7.25-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-compat-5.7.25-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-5.7.25-1.el7.x86_64.rpm
yum install net-tools
rpm -ivh mysql-community-server-5.7.25-1.el7.x86_64.rpm

【3】启动MySQL

systemctl status mysqld

systemctl start mysqld

systemctl enable mysqld

netstat -tunlp
netstat -tunlp|grep mysql
ps -ef|grep mysql

【4】查看临时密码

cat /var/log/mysqld.log  #查看文件内容
cat /var/log/mysqld.log|grep password  #查看文件内容中包含password的行信息

【5】修改密码

mysql -uroot -p

复制粘贴临时密码

set global validate_password_length=4;
set global validate_password_policy=LOW;
set password=possword('root');

grant all on *.* to 'root'@'%' identified by 'root';
flush privileges;

mysql -uroot -p
show databases;

四、安装lrzsz：

yum list lrzsz
yum install lrzsz.x86_64

rz  #文件上传