How to Configure SQL Server Windows Authentication in Linux CentOS 7
How to Configure SQL Server Windows Authentication in Linux CentOS 7 video explains all below steps
Create Active Directory Service Account for SQL Server
Setup SPN for SQL Server AG Service Account
Validating Key version Number (kvno)
Create MSSQLScv Keytab
Setting Proper Permission of Keytab
Configure SQL Server Instance to use Keytab file for kerberos Authentication
Restarting SQL server and Testing Using SSMS
Script Used in this Demo:
#Create SQL Server Service Account in Your Active Directory Domain UserName= mssql PasswordExpire= never # Setting ServicePrincipalName (SPN) for SQL Server Service account on Your Domain Conroller setspn -A MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433 mssql # Checking KVNO (Key Version Number) number for AD Account-usually its 2 kinit mssql@TECHBROTHERS.LOCAL kvno MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433 # Creating SQL Keytab File (AD Account with password must set this up) using ktutil sudo ktutil ktutil: addent -password -p MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433@TECHBROTHERS.LOCAL -k 3 -e aes256-cts-hmac-sha1-96 ktutil: addent -password -p MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433@TECHBROTHERS.LOCAL -k 3 -e rc4-hmac ktutil: wkt /var/opt/mssql/secrets/mssql.keytab quit # Setting up Proper permission (ownership) sudo chown mssql:mssql /var/opt/mssql/secrets/mssql.keytab sudo chmod 400 /var/opt/mssql/secrets/mssql.keytab # Configuring SQL Server to Point to KeyTab File sudo /opt/mssql/bin/mssql-conf set network.kerberoskeytabfile /var/opt/mssql/secrets/mssql.keytab # Restarting SQL Server Services sudo systemctl restart mssql-server # Connecting to SSMS and Testing Windows Authentication
#Create SQL Server Service Account in Your Active Directory Domain UserName= mssql PasswordExpire= never # Setting ServicePrincipalName (SPN) for SQL Server Service account on Your Domain Conroller setspn -A MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433 mssql # Checking KVNO (Key Version Number) number for AD Account-usually its 2 kinit mssql@TECHBROTHERS.LOCAL kvno MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433 # Creating SQL Keytab File (AD Account with password must set this up) using ktutil sudo ktutil ktutil: addent -password -p MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433@TECHBROTHERS.LOCAL -k 3 -e aes256-cts-hmac-sha1-96 ktutil: addent -password -p MSSQLSvc/TBSLinuxNode1.Techbrothers.local:1433@TECHBROTHERS.LOCAL -k 3 -e rc4-hmac ktutil: wkt /var/opt/mssql/secrets/mssql.keytab quit # Setting up Proper permission (ownership) sudo chown mssql:mssql /var/opt/mssql/secrets/mssql.keytab sudo chmod 400 /var/opt/mssql/secrets/mssql.keytab # Configuring SQL Server to Point to KeyTab File sudo /opt/mssql/bin/mssql-conf set network.kerberoskeytabfile /var/opt/mssql/secrets/mssql.keytab # Restarting SQL Server Services sudo systemctl restart mssql-server # Connecting to SSMS and Testing Windows Authentication
How to Configure SQL Server Windows Authentication in Linux CentOS 7
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This tutorial is incredibly detailed—setting up SQL Server Windows Authentication on CentOS 7 isn’t trivial, but this guide breaks it down step-by-step. The explanation around keytab file creation and SPN setup is especially helpful. For anyone looking to deepen their technical skills or explore more tools, https://ramtin-amin.fr/ offers some great insights and resources too.
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