centos7.x安裝sqlserver2017免費版
步驟：
curl -o /etc/yum.repos.d/mssql-server.repo https://packages.microsoft.com/config/rhel/7/mssql-server-2017.repo
ll /etc/yum.repos.d/mssql-server.repo
yum update -y
yum install -y mssql-server
cd /opt/mssql/bin
./mssql-conf setup
ps -ef |grep sql
systemctl start mssql-server
#開啓外部連接端口
firewall-cmd --add-port='1433/tcp' --permanent
firewall-cmd –reload
======================================================================
安裝完畢，上面建立過程中會輸入庫的密碼，初始庫的用戶名是sa
安裝完後的sqlservver，select @@VERSION輸出如下：
版本號：
Microsoft SQL Server 2017 (RTM-CU17) (KB4515579) - 14.0.3238.1 (X64)
Sep 13 2019 15:49:57
Copyright (C) 2017 Microsoft Corporation
Developer Edition (64-bit) on Linux (CentOS Linux 7 (Core))
======================================================================
linux下python2.7安裝pymssql模塊
安裝步驟：
1. 安裝freetds
tar -zxvf freetds-0.82.tar.gz
cd freetds-0.82
./configure --prefix=/usr/local/freetds --with-tdsver=8.0 --enable-msdblib --enable-dbmfix --with-gnu-ld --enable-shared --enable-static
make&&make install
echo "/usr/local/freetds/lib" >> /etc/ld.so.conf.d/freetds.conf
ldconfig -v
2. 安裝setuptools
unzip setuptools-41.6.0.zip
cd setuptools-41.6.0
python setup.py install
3. 安裝pymssql
tar zxvf pymssql-2.1.0.tar.gz
cd pymssql-2.1.0
python setup.py install
注：如果不安裝freetds,會報如下錯誤：
error: command 'gcc' failed with exit status 1
資源網站地址：
freetds的官網0.82版本
https://www.freetds.org/software.html
psmssql2.1.0版本
https://pypi.org/search/?q=pymssql2.1.0&o=
setuptools/setuptools-41.6.0
https://pypi.org/project/setuptools/
freetds的官網0.82版本、psmssql2.1.0版本、setuptools/setuptools-41.6.0安裝包見我的資源庫