When supplying credentials in plain text in Python applications and tools are a concern of the security policy in your company, Kerberos keytab might be a relief. Kerberos keytab hides sensitive information and it serves as a password to authenticate access to different resources. In other words, a keytab is …

Integration of Windows and Linux environments is common in many companies. One of the scenarios is when Windows Active Directory serves for user authentication and Linux servers or containers are used for running applications. Also, MS SQL Server is utilized for storing data. There are some ways to connect to …

Trino includes Hive connector to access Hive data warehouse. Warehouse data is stored in the Hadoop Distributed File System (HDFS) or in S3 compatible storages. Data files located in Hive warehouse are in varieties of formats and data size can be enormous. Trino uses Hive metastore to discover schemas and …

Kerberos credentials can be stored in Kerberos ticket cache. They are valid for relatively short period of time. The period can be a session or a specified timeframe. A Kerberos ticket cache contains a service and a client principal names, lifetime indicators, flags, and the credential itself. Kerberos 5 client …

Keytab stands for key table. It is a file which stores one or more Kerberos principals with corresponding encrypted keys. Encrypted keys are generated based on user passwords. It allows to secure storing of passwords and authenticate users without entering of passwords. The current version of the Kerberos protocol is …

Kerberos ticket cache is one of the options to utilize Kerberos authentication in Windows. Another option is to use Kerberos keytab file. Kerberos ticket cache can be transparently consumed by many tools, whereas Kerberos keytab requests additional setup to plug in to tools.

Kerberos ticket cache file default location and …

Kerberos authentication can be established by applying Kerberos ticket cache or keytab file. Kerberos ticket cache method has a disadvantage, ticket cache should be renewed on regular basis. If it is not automatic process, it will request our attention. Another option is to use Kerberos keytab file. First of all …

The easiest way to connect DBeaver to MS SQL Server with Kerberos authentication is Kerberos ticket cache. It requests only 2 steps. The first step is to create Kerberos ticket cache and the second one is to add a new connection to DBeaver with default settings. There are variety of …

There are two ways to utilize Kerberos authentication: Kerberos ticket cache and Kerberos keytab. Windows has a limited set of tools to create a keytab file. There are a couple of tools for this purpose. One tool is the Windows Server built-in utility ktpass. It can be only run on …

When your organization has decided to start using DBeaver, you need to plan how to deploy and setup DBeaver for users. It might not be an issue if you are going to utilize databases/drivers which included in the standard configuration. But let's imagine case when you need to connect …

DBeaver allows connecting to a wide range of databases including Cloudera Hive. Hive driver is part of DBeaver installation but it uses basic authentication with user name and password. Kerberos authentication is another option to connect to Hive. It can be accomplished by adding a new driver to DBeaver. The …