If you are a system administrator and responsible for securing your infrastructure, you may often need to block the IP address of the hosts that are trying to breach your security. In order to block an IP address on your Linux server, you will need to use Iptables and UFW firewall. In this tutorial, we will show you how to block an IP address using Iptables and UFW firewall. Continue Read
If you are a Database administrator and responsible for managing the MySQL server, you must have a knowledge of the replication concept as this will helps you in terms of Data Security, Fail-over Solution and Database Backup from Slave. MySQL replication is the process that enables data from one MySQL server to be copied to one or more MySQL servers. By default, replication is asynchronous by default and slaves do not need to be connected permanently to receive updates from the master. It is primarily used to read access on multiple servers for scalability and also used for failover. Continue Read
There are several reasons you may need to clone your hard disk or partition. With cloned hard disk, you don't need to reinstall and configure the applications again. dd is a simple and powerful tool for a Linux-based operating system used to create a perfect copy of drives, partitions, and filesystems. With dd command, you can backup the boot sector of a hard disk and also obtaining a fixed amount of random data. Continue Read
Resizing or extending a partition is the process of increasing or decreasing the size of the partition. You can either extend or shrink the partition as per your needs. You will need to resize the partition when you are not satisfied with the partition size, your system partition is running out of free space, some partition is full while some partition still has large free space If you are a system administrator and working on the Linux system, resizing or growing the filesystem is a challenging task for you. You will need to resize an existing partition when your partition size is full. In that case, you can use resize2fs utility to increase and decrease a filesystem size. The resize2fs is a command-line utility that allows you to resize ext2, ext3, or ext4 file systems. Continue Read
How to host a Node.js application on DigitalOcean. This guide hows you how to get setup quicky with the Nginx setup Continue Read
How to get started using more secure SSH keys as part of your DigitalOcean server maintenance. Using an SSH key pair will protect you from brute force attempts, if you look in your auth logs you will see hackers are always attempting to break into your servers! Continue Read
SnapShooter is very proud to join DigitalOcean hatch, DigitalOceans startup accelerator program. Continue Read
If your Droplet has an extremely active database its worth exporting the data into a static file just before taking a snapshot, this was you guarantee your data is safely backed up and restorable without corruption. For this guide, we are going to base it on using MySQL but this is possible for any database where you can export into a static file. Continue Read
To force your droplet to shut down so you can reboot it log in to Digital Ocean and select the droplet you wish to shut down. Press the "power off" switch. important Warning: This will be similar to pulling the plug on a running computer and may lead to drive corruption. Always check the server is okay once powered back on. Only do this as a last resort. Continue Read
DigitalOcean announced spaces Septemeber 2017 and they are now generally available to all developers. Spaces is a simple standalone object storage service which enabled developers to store and serve any data with automatic scaling. You can try out spaces, with a free 2-month trial. Continue Read