Linux tutorials

How to whitelist IP in fail2Ban? Fail2ban is an open-source intrusion prevention software that protects servers from brute-force attacks, password guessing, and other malicious activities by detecting and blocking suspicious traffic. It works by monitoring log files for patterns that indicate a security breach, and then takes action such as blocking the attacker's IP address. However, there may be times when you want to whitelist certain IP addresses, allowing them to access your server even if they trigger a fail2ban ban. In this blog post, we will explore how to whitelist IP addresses in fail2ban.

How to Extend Disk Space on an Ubuntu server | Ext4 & XFS | RunCloud

When using a virtual private server (VPS), it's common to have the ability to increase the disk space on demand. However, simply requesting an increase in disk space doesn't automatically update your VPS to use the additional space. Introduction In this blog post, we'll discuss how to extend disk space using the " growpart " and " resizefs "(or xfs_growfs ) commands. We'll also cover why some users might experience issues with their disk space not being updated after their server provider has updated it.

How to Recover a Corrupted InnoDB Database in MariaDB Using innodb_force_recovery

Introduction InnoDB is the default storage engine used by MariaDB, and it provides features such as transactions and referential integrity. However, if the database becomes corrupt, it can be difficult to recover. InnoDB has a setting called innodb_force_recovery that can help recover a corrupted database. In this blog post, we'll go over what innodb_force_recovery is, how it works, and how to use it. We'll also cover the potential risks associated with using this feature.

How to enable remote access to Mariadb database ? | RunCloud

How to enable remote access to Mariadb database ? Hi, I'm back. Today, let's see how we can enable remote access to your database. Most of them thought it will be just enabling port but there are some additional changes needed to enable remote access to your MariaDB database.

How to fix "Temporary failure in name resolution" or "curl: (6) Could not resolve host:" error

It's more likely that you may see "Temporary failure in name resolution" or "curl: (6) Could not resolve host:" in terminal.

Checking Server Load and Memory Usage on an Ubuntu Server via SSH | RunCloud

Checking Server Load and Memory Usage on an Ubuntu Server via SSH When managing a remote Ubuntu server, it's important to monitor server load and memory usage to ensure that the server is running optimally. There are several tools available for checking server load and memory usage, including top, free , and sar . In this tutorial, we will walk you through how to use these tools to monitor server load and memory usage on an Ubuntu server.

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