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As we uncover the section of Awk features, in this part of the series, we shall walk through the concept of built-in variables in Awk. There are two types of variables you can use in Awk, these are; user-defined variables, which we covered in Part 8 and built-in variables. Awk Built in Variables Examples Built-in […]
In Part 8 of this Awk series, we introduced some powerful Awk command features, that is variables, numeric expressions and assignment operators. As we advance, in this segment, we shall cover more Awk features, and that is the special patterns: BEGIN and END. Learn Awk Patterns BEGIN and END These special features will prove helpful […]
The Awk command series is getting exciting I believe, in the previous seven parts, we walked through some fundamentals of Awk that you need to master to enable you perform some basic text or string filtering in Linux. Starting with this part, we shall dive into advance areas of Awk to handle more complex text […]
Graylog is an open-source log management tool that helps you to collect, index and analyze any machine logs centrally. This guide focuses on installing Graylog on Ubuntu 18.04 / Ubuntu 16.04. Components MongoDB – Acts as a database, stores the configurations and meta information. Elasticsearch – It stores the log messages and offers a searching […]