Security logoConvert Java Keystore to PEM File Format

Java keystore (JKS) file includes public certificates and cryptography keys. It is secured by a password and used in java applications. Other consumers of public certificates and cryptography keys, for example, tools or software libraries might not accept JKS format. In that case, Java keystore file can be converted into …

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Trino logoAccess MinIO S3 Storage in Trino with Hive Metastore

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Trino Hive connector is aimed to access HDFS or S3 compatible storages. One of the key components of the connector is metastore which maps data files with schemas and tables. Two production metastore services are Hive and AWS Glue Data Catalog. Hive metastore works transparently with MinIO S3 compatible system …

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Trino logoHive Standalone Metastore for Trino in Docker

Hive connector in Trino can retrieve data from both HDFS and S3 compatible storages. The connector requests Hive metastore as a link to those storages. There are two types of metastores. The first one is beefy one which includes multiple services. The second one is light weight and is called …

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Docker logoInstall Docker CE in CentOS/RHEL 7

Installing Docker CE in CentOS/RHEL 7 is a trivial process but it is not true in all cases. Specially, when we deal with open source products, maintaining and patching might be an issue for doing it in timely manner. Community forums and other sources are our life savers to …

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Trino logoHide Passwords and Sensitive Data in Trino Configuration Files

Trino configuration files contain passwords and sensitive data in plain text. Corporation security policies are not tolerant with it. That kind of information must be hidden from users who are not authorized to have access to it. As a rule of thumb, DevOps and security teams are responsible to set …

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Trino logoConnect Trino to Cloudera Hive with Kerberos Authentication

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 …

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Intel logoNVMe RAID Performance on Z390 Chipset Motherboard

NVMe SSD RAIDs are getting more popular in our days. It is an interesting question - what hardware to use to build more efficient RAID in terms of performance. Z390 chipset motherboard might include 2 or 3 NVMe slots for building of Raid 0 or 1 based on Intel® Rapid Storage …

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Security logoRemove Private Key from Java Keystore

Java keystore (JKS) is a file secured by a password. Java keystore repository can contain public key certificates with corresponding private keys. The keys are used to encrypt communication over network. If JKS file is distributed, private keys should be removed from the repository. keytool tool is aimed to manipulate …

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