OpenGuass under Ubuntu_22.04 install tutorial

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今天开始短学期课程：数据库课程设计。今天9点左右在SL1108开课，听陈老师讲授了本次短学期课程的要求以及任务安排，随后讲解了国产数据库的三层架构的逻辑。配置了大半天才弄好，放一张成功的图片，下面开始记录成功的步骤：

My operator system is Ubuntu_22.04.

procedures

sudo wget https://opengauss.obs.cn-south-1.myhuaweicloud.com/3.0.5/x86/openGauss-3.0.5-CentOS-64bit.tar.bz2

2.sudo tar -xvjf openGauss-3.0.5-CentOS-64bit.tar.bz2

3.Find the “install.sh” file   --- a file guiding you finish installing.

4.bash install.sh -w "xxxx(your pswd)" && source ~/.bashrc  (CentOS is sh, a little different!)

5.gsql -d postgres -p 5432 -r

Problems during Step 4:

[step 3]: change_gausshome_owner:

chmod: changing permissions of '/db/software/openGauss': Operation not permitted  

=>  

sudo chown -R $(whoami):$(whoami) /db/software/openGauss

sudo chmod -R u+rwx /db/software/openGauss

[step 6]: init datanode

/dbopg/software/openGauss/bin/gaussdb: /lib/x86_64-linux-gnu/libssl.so.10: version `libssl.so.10' not found (required by /dbopg/software/openGauss/lib/libeSDKOBS.so)

/dbopg/software/openGauss/bin/gaussdb: /lib/x86_64-linux-gnu/libcrypto.so.10: version `libcrypto.so.10' not found (required by /dbopg/software/openGauss/lib/libeSDKOBS.so)

no data was returned by command ""/dbopg/software/openGauss/bin/gaussdb" -V"

The program "gaussdb" is needed by gs_initdb but was not found in the

same directory as "/dbopg/software/openGauss/bin/gs_initdb".

Check your installation.

The symlinks you've created for libssl.so.10 and libcrypto.so.10 are pointing to libssl.so.1.1 and libcrypto.so.1.1, respectively. This is the root of the issue, as libssl.so.1.1 and libcrypto.so.1.1 are not compatible with what openGauss is expecting. The software specifically requires libssl.so.10 and libcrypto.so.10, which correspond to an older version of OpenSSL (1.0.x).

 =>

sudo rm /usr/lib/x86_64-linux-gnu/libssl.so.10

sudo rm /usr/lib/x86_64-linux-gnu/libcrypto.so.10

sudo wget https://mirrors.aliyun.com/centos/7/os/x86_64/Packages/openssl-libs-1.0.2k-19.el7.x86_64.rpm

sudo find / -name "libssl.so.10" 2>/dev/null

sudo find / -name "libcrypto.so.10" 2>/dev/null

output: /usr/lib64/libssl.so.10

             /usr/lib64/libcrypto.so.10 

sudo ln -s /usr/lib64/libssl.so.10 /usr/lib/x86_64-linux-gnu/libssl.so.10

sudo ln -s /usr/lib64/libcrypto.so.10 /usr/lib/x86_64-linux-gnu/libcrypto.so.10

sudo ldconfig

Avoid Warnings:

export GAUSSLOG=/db/software/openGauss/logs

mkdir -p $GAUSSLOG

sudo mkdir -p /var/lib/opengauss/core

sudo chmod 777 /var/lib/opengauss/core

export GAUSS_CORE_PATH=/var/lib/opengauss/core

echo 'export GAUSSLOG=/db/software/openGauss/logs' >> ~/.bashrc

echo 'export GAUSS_CORE_PATH=/var/lib/opengauss/core' >> ~/.bashrc

source ~/.bashrc

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