12 2020 档案

centos 安装jdk8
摘要：1.官网下载 https://www.oracle.com/cn/java/technologies/javase/javase-jdk8-downloads.html 2.解压在 /usr/local/java/下，重命名 jdk1.8 tar -zxvf jdk-8u271-linux-x64. 阅读全文
posted @ 2020-12-29 00:50 PengXingQiang 阅读(271) 评论(0) 推荐(0)
mysql 创建用户
摘要：登录root用户 mysql -u root -p 2.管理用户 use mysql; 3.查询用户 select host,user from user; 4.创建用户 create user dev identified by 'dev:123456' 5.删除用户（不要执行，给大家分享删除命令 阅读全文
posted @ 2020-12-28 20:23 PengXingQiang 阅读(482) 评论(0) 推荐(0)
centos 7 安装mysql 5.7
摘要：1.下载MySQL官方的 Yum Repository wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm 2.yum 安装MySQL官方的 Yum Repository yum -y ins 阅读全文
posted @ 2020-12-28 19:00 PengXingQiang 阅读(125) 评论(0) 推荐(0)
centos 删除/卸载mysql
摘要：1.查看mysql安装 rpm -qa|grep -i mysql 2.关闭mysql服务后卸载 rpm -ev --nodeps mysql80-community-release-el8-1.noarch 3.根据名字查询mysql find / -name mysql 4.删除查找出来的目录 阅读全文
posted @ 2020-12-28 17:21 PengXingQiang 阅读(382) 评论(0) 推荐(0)
centos 8 安装consul
摘要：1.下载Consul wget https://releases.hashicorp.com/consul/1.8.0/consul_1.8.0_linux_amd64.zip 2.解压安装包 unzip consul_1.8.0_linux_amd64.zip 3.删除压缩包 rm consul_ 阅读全文
posted @ 2020-12-24 17:13 PengXingQiang 阅读(366) 评论(0) 推荐(0)
centos8 安装redis
摘要：1.添加EPEL仓库 sudo yum install epel-release sudo yum update 2.安装redis yum install redis 3.启动redis并设置开机自启 systemctl start redis systemctl enable redis 4.查 阅读全文
posted @ 2020-12-24 13:17 PengXingQiang 阅读(542) 评论(0) 推荐(1)
Linux 安装MySQL，MySQL不允许远程登录 Host 'xxx' is not allowed to connect to this MySQL server
摘要：1.登录mysql mysql -u root -p 2.执行use mysql; use mysql; 3.修改host update user set host = '%' where user = 'root'; 4.刷新权限 FLUSH PRIVILEGES; 5.测试连接 阅读全文
posted @ 2020-12-17 16:48 PengXingQiang 阅读(248) 评论(0) 推荐(1)
centos8 安装mysql
摘要：1.Mysql 官网下载 RPM 包 wget https://dev.mysql.com/get/mysql80-community-release-el8-1.noarch.rpm 2.如果安装过mysql强力卸载，没安装过忽略 for i in $(rpm -qa|grep mysql);do 阅读全文
posted @ 2020-12-17 16:42 PengXingQiang 阅读(968) 评论(0) 推荐(1)
centos8 postgresql 修改默认用户密码
摘要：1.找到postgresql 安装目录data文件夹 2.编辑修改文件 pg_hba.conf，将 scram-sha-256 替换成trust 3.重启数据库，登录（不输入密码直接进入),执行修改用户密码的操作 alter user postgres with password 'postgres 阅读全文
posted @ 2020-12-17 00:40 PengXingQiang 阅读(1418) 评论(0) 推荐(0)
centos8 安装postgresql数据库
摘要：登录 postgresql 官网页面 https://www.postgresql.org/ 2.下载安装包 sudo dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-red 阅读全文
posted @ 2020-12-17 00:28 PengXingQiang 阅读(3998) 评论(0) 推荐(0)