From d4ef7737e49766ec5dbba3bc72fc7ce3cbcef6d8 Mon Sep 17 00:00:00 2001 From: hemny Date: Sat, 11 Jul 2020 23:18:44 +0800 Subject: [PATCH 1/2] Quick Install openGauss --- .../zh/post/hemny/2020-07-11_quickinstall.md | 103 ++++++++++++++++++ content/zh/post/hemny/img/openGauss_logo.png | Bin 0 -> 297027 bytes 2 files changed, 103 insertions(+) create mode 100644 content/zh/post/hemny/2020-07-11_quickinstall.md create mode 100644 content/zh/post/hemny/img/openGauss_logo.png diff --git a/content/zh/post/hemny/2020-07-11_quickinstall.md b/content/zh/post/hemny/2020-07-11_quickinstall.md new file mode 100644 index 00000000..4fdd5af2 --- /dev/null +++ b/content/zh/post/hemny/2020-07-11_quickinstall.md @@ -0,0 +1,103 @@ ++++ +title = "openGauss入门(快速安装)" +date = "2020-07-11" +tags = ["openGauss入门"] +archives = "2020-07" +author = "hemny" +summary = "openGauss入门" +img = "/zh/post/hemny/img/openGauss_logo.png" +times = "22:30" ++++ + +### 前言 + +最近看到openGauss开源了,试用了一下,总感觉安装时要配置XML太麻烦,所以用了简单的安装办法,绿色最小化安装,作为尝鲜者试用方便。 + +### 系统环境 + 硬件:X86平台,4GB内存 + 系统:CentOS7 minimal + +### 安装软件步骤 +--- + +1. root用户 安装wget、bzip2 +``` +yum -y install wget bzip2 +``` + + +2. 创建gauss用户 +``` +useradd -m gauss +su - gauss +``` + +3. 解压安装openGauss + +``` +#设置环境变量 +export GS_HOME=/home/gauss/opengauss +export LD_LIBRARY_PATH=$GS_HOME/lib:$LD_LIBRARY_PATH +export PGDATA=/home/gauss/data +export PATH=$GS_HOME/bin:$PATH + +#安装openGauss,两次加压是由于官网下载的安装包是为官方安装工具准备的,经过两次压缩。 +mkdir tmp && cd tmp +wget https://opengauss.obs.cn-south-1.myhuaweicloud.com/1.0.0/x86/openGauss-1.0.0-CentOS-64bit.tar.gz +tar xf openGauss-1.0.0-CentOS-64bit.tar.gz +mkdir -p $GS_HOME && cd $GS_HOME +tar xf /home/gauss/tmp/openGauss-1.0.0-CentOS-64bit.tar.bz2 + +# 此时可以删除临时目录/home/gauss/tmp +rm -rf /home/gauss/tmp +``` + +### 初始化数据库 + +这里直接采用gs_initdb命令初始化。 +``` +# 初始化数据库 +gs_initdb -w Aa123456 --nodename='sgnode' + +# 配置数据库 +# vi $PGDATA/postgresql.conf 追加 +listen_addresses = '*' +local_bind_address = '0.0.0.0' +port = 5432 + +# 配置hba文件 +# vi $PGDATA/pg_hba.conf 追加以下内容 +host all all 0.0.0.0/0 sha256 + +``` + +### 启动数据库 +``` + gaussdb +#或 + gs_ctl start -l logfile +``` + +#初始化用户 +PS:初始化数据库的用户,是不能通过IP远程连接的哦,所以需要创建另外一个用户才能远程连接,不知道有没有其他参数可以解除初始化用户的远程连接限制。 +``` +# openGauss是源于PG9.2的魔改数据库,保留默认的postgres数据库不变,所以指定一下再连接吧 +gsql -dpostgres + +#修改初始化用户的密码(若需要),openGauss 加强安全,如果需要修改初始化数据库用户的密码,需要用REPLACE哦! +postgres=# ALTER ROLE gauss IDENTIFIED BY 'Aa1234567' REPLACE 'Aa123456'; + +#创建用户(初始化数据库的用户不能进行远程连接,需要重新创建用户) +postgres=# create user user1 with password 'Aa123456'; +postgres=# grant all PRIVILEGES to user1; + +``` + +### 验证远程登录数据库 +gsql -dpostgres -h192.168.1.67 -Uuser1 + +### 总结 + openGauss数据库安装也可以参考postgresql的安装方式进行绿色安装。需要注意的是,openGauss对安全性进行了增强,所以在初始化数据库是需要数据密码,并且初始化数据库的用户是不能远程登录的,后面需要重新初始化一个远程登录使用的用户。 + + + diff --git a/content/zh/post/hemny/img/openGauss_logo.png b/content/zh/post/hemny/img/openGauss_logo.png new file mode 100644 index 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Date: Tue, 14 Jul 2020 12:58:09 +0800 Subject: [PATCH 2/2] update content/zh/post/hemny/2020-07-11_quickinstall.md. --- .../zh/post/hemny/2020-07-11_quickinstall.md | 20 +++++++------------ 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/content/zh/post/hemny/2020-07-11_quickinstall.md b/content/zh/post/hemny/2020-07-11_quickinstall.md index 4fdd5af2..61f0ede6 100644 --- a/content/zh/post/hemny/2020-07-11_quickinstall.md +++ b/content/zh/post/hemny/2020-07-11_quickinstall.md @@ -35,13 +35,13 @@ su - gauss 3. 解压安装openGauss ``` -#设置环境变量 +# 设置环境变量 export GS_HOME=/home/gauss/opengauss export LD_LIBRARY_PATH=$GS_HOME/lib:$LD_LIBRARY_PATH export PGDATA=/home/gauss/data export PATH=$GS_HOME/bin:$PATH -#安装openGauss,两次加压是由于官网下载的安装包是为官方安装工具准备的,经过两次压缩。 +# 安装openGauss,两次加压是由于官网下载的安装包是为官方安装工具准备的,经过两次压缩。 mkdir tmp && cd tmp wget https://opengauss.obs.cn-south-1.myhuaweicloud.com/1.0.0/x86/openGauss-1.0.0-CentOS-64bit.tar.gz tar xf openGauss-1.0.0-CentOS-64bit.tar.gz @@ -56,7 +56,6 @@ rm -rf /home/gauss/tmp 这里直接采用gs_initdb命令初始化。 ``` -# 初始化数据库 gs_initdb -w Aa123456 --nodename='sgnode' # 配置数据库 @@ -73,21 +72,19 @@ host all all 0.0.0.0/0 sha256 ### 启动数据库 ``` - gaussdb -#或 - gs_ctl start -l logfile +gs_ctl start -l logfile ``` #初始化用户 PS:初始化数据库的用户,是不能通过IP远程连接的哦,所以需要创建另外一个用户才能远程连接,不知道有没有其他参数可以解除初始化用户的远程连接限制。 ``` -# openGauss是源于PG9.2的魔改数据库,保留默认的postgres数据库不变,所以指定一下再连接吧 +# openGauss是源于PostgreSQL的数据库,默认初始化postgres数据库不变,如果当前用户不是postgres就要指定数据库名登录 gsql -dpostgres -#修改初始化用户的密码(若需要),openGauss 加强安全,如果需要修改初始化数据库用户的密码,需要用REPLACE哦! +# 修改初始化用户的密码(若需要),openGauss 加强安全,如果需要修改初始化数据库用户的密码,需要用REPLACE哦! postgres=# ALTER ROLE gauss IDENTIFIED BY 'Aa1234567' REPLACE 'Aa123456'; -#创建用户(初始化数据库的用户不能进行远程连接,需要重新创建用户) +# 创建用户(初始化数据库的用户不能进行远程连接,需要重新创建用户) postgres=# create user user1 with password 'Aa123456'; postgres=# grant all PRIVILEGES to user1; @@ -97,7 +94,4 @@ postgres=# grant all PRIVILEGES to user1; gsql -dpostgres -h192.168.1.67 -Uuser1 ### 总结 - openGauss数据库安装也可以参考postgresql的安装方式进行绿色安装。需要注意的是,openGauss对安全性进行了增强,所以在初始化数据库是需要数据密码,并且初始化数据库的用户是不能远程登录的,后面需要重新初始化一个远程登录使用的用户。 - - - +openGauss数据库安装也可以参考postgresql的安装方式进行绿色安装。需要注意的是,openGauss对安全性进行了增强,所以在初始化数据库是需要数据密码,并且初始化数据库的用户是不能远程登录的,后面需要重新初始化一个远程登录使用的用户。 \ No newline at end of file -- Gitee