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qBittorrent is a simple yet very fast open source BitTorrent client for Linux operating system. It is often called as an alternative to uTorrent because it comes with uTorrent like user interface, configuration settings, integrated search engine and much more. If you are the one looking for the best open source BitTorrent client, then qBitttorent […]
Docker registry is a piece of application that lets you store and distribute the Docker images internally (within your organization). Docker even has a public registry, known as Docker Hub, free to store Docker images. But, the problem with Docker public registry is that the images you upload on it becomes public. This is not […]
Docker swarm is (aka Docker engine in swarm mode) a native clustering solution that makes a group of Docker hosts into a single logical virtual server. Swarm ensures availability and high performance of your application by distributing it over the number of Docker hosts inside a cluster. Also, with Docker swarm, you can scale your […]
Graylog is an open-source log management tool which helps you to collect, index and analyze any machine logs centrally. This guide will help you to install Graylog on CentOS 7 / RHEL 7. Components MongoDB – Being a database to store the configurations and meta information. Elasticsearch – It stores the log messages received from […]
When you review all the Awk examples we have covered so far, right from the start of the Awk series, you will notice that all the commands in the various examples are executed sequentially, that is one after the other. But in certain situations, we may want to run some text filtering operations based on […]
All along from the beginning of the Awk series up to Part 12, we have been writing small Awk commands and programs on the command line and in shell scripts respectively. However, Awk, just as Shell, is also an interpreted language, therefore, with all that we have walked through from the start of this series, […]
When we write shell scripts, we normally include other smaller programs or commands such as Awk operations in our scripts. In the case of Awk, we have to find ways of passing some values from the shell to Awk operations. This can be done by using shell variables within Awk commands, and in this part […]
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 […]