Does centos come with its own server?

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Release: 2020-07-29 10:14:39
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centos不是自带服务器的,安装方法:首先在root操作下新增oper用户;然后将oper用户加入到sudoers中;接着切换到oper重新登录;最后创建常用目录即可。

Does centos come with its own server?

centos不是自带服务器的,安装方法:

1. 新增oper用户(root下操作)

useradd oper
# 修改密码:根据提示输入两次密码
passwd oper
Copy after login

将oper用户加入到sudoers中(可使用sudo命令)

vi /etc/sudoers
# 找到类似地方并加入
oper    ALL=(ALL)       ALL
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切换到oper重新登录(重要)

创建常用目录

sudo mkdir /data
sudo chown -R oper data
cd /data
mkdir apps
Copy after login

2. 安装数据库mysql5.7

# Step0:安装所需的yum命令
sudo yum -y install yum-utils
# Step1: 检测系统是否自带安装mysql
sudo yum list installed | grep mysql
# Step2: 删除系统自带的mysql及其依赖命令:
sudo yum -y remove mysql-libs.x86_64
# Step3: 给CentOS添加rpm源,并且选择较新的源命令:
wget dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
sudo yum localinstall mysql-community-release-el7-5.noarch.rpm
sudo yum repolist all | grep mysql
sudo yum-config-manager --disable mysql55-community
sudo yum-config-manager --disable mysql56-community
sudo yum-config-manager --enable mysql57-community-dmr
sudo yum repolist enabled | grep mysql
# Step4:安装mysql 服务器命令:
sudo yum install mysql-community-server
# Step5: 启动mysql命令:
service mysqld start
# Step6: 查看mysql是否自启动,并且设置开启自启动命令:
chkconfig --list | grep mysqld
chkconfig mysqld on
# Step7: mysql安全设置命令:
# 获取root临时密码
grep 'temporary password' /var/log/mysqld.log
# 修改root密码
mysql_secure_installation
# 根据提示修改root密码 ...
# 登录命令(根据提示输入root密码登录):
mysql -u root -p 
# 创建数据库:
create database clouds_business;
创建用户:
create user yunch identified by 'Yunch!2#$5^';
# 授权数据库给用户
grant all on clouds_business.* to yunch;
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3. 安装jdk1.8

# 1、在Oracle官方网址下载linux-64位的jdk的RPM包,如:jdk-8u121-linux-x64.rpm
# 2、使用SFTP工具将jar包上传至 /data/apps目录下
# 3、执行上传的rpm文件,如:rpm -ivh jdk-8u***-linux-x64.rpm 
# 4、配置环境变量(下面代码中版本根据实际情况调整)
vi /etc/profile
JAVA_HOME=/usr/java/jdk1.8.0_191-amd64
JRE_HOME=/usr/java/jdk1.8.0_191-amd64/jre
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
export JAVA_HOME JRE_HOME PATH CLASSPATH
# 退出vi,使环境变量生效
source /etc/profile
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4. 安装zookeeper

# 下载zookeeper安装包(建议3.4及以下版本)
wget https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz
# 解压
tar -xvf zookeeper-3.4.14.tar.gz
rm -f *.gz
cd zookeeper-3.4.14
cd conf
# 将sample配置文件重命名成正式文件
mv zoo_sample.cfg zoo.cfg
# 启动zookeeper
../bin/zkServer.sh start
# 执行lsof命令观察
lsof -i 2181
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5. 安装redis

wget http://download.redis.io/redis-stable.tar.gz
tar -xvf ...
mv redis-stable redis
cd redis
vi redis.conf
# 修改密码和端口号
sudo make && sudo make install
# 运行redis 
nohup redis-server redis.conf &
# 日志在 nohup.out里面
Copy after login

6. 安装nginx

sudo yum -y install nginx
# 修改权限 
sudo chown -R oper /etc/nginx
# 修改/etc/nginx/nginx.conf配置
#在 conf.d里面增加.conf文件
# 重启命令
sudo nginx -s reload
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相关教程推荐:centos教程

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