SSH Remote Login and TCP Forwarding
Security Shell Protocal (SSH) is a network protocol, intended to provide secure encrypted communicatons over an insecure network. SSH application are based o...
Categories
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Command Line Tool
find - walk a file hierarchy
The find utility recursively descends the directory tree for each path listed, evaluating an expression in terms of each file in the tree. Basic usage: find ...
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Big Data
Hive serial (2) - Hive Data Definition Operation (DDL)
Hive DDL statements are mainly related to database/schema, table, view, function et, all operations can be found in Hive Confluence, including: CREATE DAT...
Hive serial (1) - Introduction to Hive
The Apache Hive™ is a warehousing infrastructure based on Apache Hadoop™, facilitates reading, writing, and managing large datasets residing in distributed s...
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Database
HikariCP Source Code Analysis
HikariCP is a fast, simple reliable JDBC connection pool, it became the default database connection pool since SpringBoot2.0. JDBC connection pool is a mecha...
Hive serial (2) - Hive Data Definition Operation (DDL)
Hive DDL statements are mainly related to database/schema, table, view, function et, all operations can be found in Hive Confluence, including: CREATE DAT...
Hive serial (1) - Introduction to Hive
The Apache Hive™ is a warehousing infrastructure based on Apache Hadoop™, facilitates reading, writing, and managing large datasets residing in distributed s...