We cannot count a Bash as a high-level programming language. Bash scripts don’t perform complicated calculations, hardware access and so on. But we can use it for Linux systems management and orchestration. We’re able to automate routine tasks, wrap CLI applications and just make some fun.
In first steps young DBA can greedily soak up all kinds of database knowledges: as RDBMS as NoSQL. We’re realising things like how table index works, how to optimize memory caching, write triggers and procedurs etc.. But we still can forget a simple command to create user or show tables list. Also we can get stuck when switching from MySQL to PostgreSQL or whatever else, cause command syntax is different.
File ~/.bashrc is a simple configuration of Linux user where user can describe all shell instructions necessary for each session. It’s a frequent practice to leave useful command at this file, but aliases and functions looks much more suitable for this configuration file.
With contemporary monitoring systems you can monitor whatever you wish. All you need – understand technology of data gathering and visualizing. 2016 year serves thousands of ways to perform it. At this post I’ll show up one of the most popular ways to do it – monitoring customization with Zabbix.
