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BIND (Berkely Internet Name Domain) is a popular software for translating domain names into IP addresses and usually found on Linux servers. In this how-to tutorial we are going to explain the basic concepts of DNS BIND and analyse the…

You start a long database import over SSH, the wifi drops, and the import dies with the connection. Anyone who administers Linux remotely has done this at least once, and it is exactly the problem screen was built to solve….

File permissions have a gap in them, and it is a big one. Root ignores them. Set a file to 000, lock it down as hard as chmod allows, and root still deletes it without so much as a warning….

Linux administrators and most of linux users use some commands very frequently in CLI. Shortcut commands like alias is very useful for linux admins and users. You can create shortcuts for frequently used commands by adding aliases into the bash…

Introduction General information Physical volumes Volume groups Logical volumes Add space to a volume group Reduce space from an existing volume group Create a Snapshot of LVM Introduction: In this tutorial, I will show some LVM disk management commands in…

Changing a MySQL password sounds like it should be one command. It is, mostly. The confusion comes from there being several routes to the same result, and from the fact that which one works depends on whether a password is…

In MySQL database, a root user has a full access to all of the databases. However, a user (non-root) in MySQL having restrictions in the cases which may be required in different environments, in this tutorial we will learn how…

Forgetting the root password on a machine you own is one of those problems that feels much worse than it is. There is no recovery email, no reset link, and if you have inherited a server from someone who left,…

Essential Linux Commands Command Description pwd Print current working directory ls List files and directories ls -l List with details (long format) cd [directory] Change directory cd .. Go up one directory cp [src] [dest] Copy files or directories mv…