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Formatting storage devices on CentOS/RHEL 7

A storage device is a term used loosely to mean anything that’s used for storing data. Storage devices comes in various forms, but they most commonly in the form of a partition (e.g. /dev/sdb2), or an unpartitioned block device (e.g. /dev/sdc), or a logical volume (e.g. /dev/mapper/centos-home). Before you can start storing data in storage […]

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Creating Partitions on CentOS/RHEL 7

A block devices is usually a physical device that’s used for storing data, e.g. Hard drives and solid state drives. A partition is basically a way to organise a block device’s storage into smaller segments, that means creating partitions allows you to use a percentage of your block device’s storage space for a specific purpose and leave the rest available for other uses.

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Linux Processes – Setting process priorities by setting nice values on CentOS/RHEL 7

Changing a process’s priority is a good way to make your machine run more efficiently. Changing process priorities is to do with increasing/decreasing how much CPU time a process can have while the machine is running. For example if you are setting up a machine to primarily run as a web server, then it is a good idea to elevate the web-server related processes so that they get more access to the CPU.

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