How to Install PHP Selector and Upgrade PHP Version on DirectAdmin CustomBuild 2.0 in AlmaLinux or Rocky Linux

Introduction As CentOS 7 reached its End of Life (EOL) on June 30, 2024, many system administrators and hosting providers have migrated to its downstream alternatives, such as AlmaLinux and Rocky Linux. These Enterprise Linux (EL) clones are binary-compatible with Red Hat Enterprise Linux (RHEL), making them ideal drop-in replacements for CentOS in server environments.

What is Caching SHA Password in Linux and MySQL Systems

Overview Caching SHA password refers to a secure authentication mechanism that combines SHA-based password hashing with temporary credential caching to optimize performance. This is most commonly implemented in MySQL 8.0+ through the caching_sha2_password plugin. By hashing passwords with SHA-256 and caching the result in memory for the duration of a session, this method reduces the

How to Clear the Email Failure Queue in WHM

Introduction Email delivery issues are a common concern in hosting environments, especially when managing accounts via Web Host Manager (WHM). When an email fails to deliver, it is typically queued for retry or stored in the Mail Queue Manager, which is part of Exim, the mail transfer agent used by cPanel/WHM servers. These failures can

Apache Fails to Start Due to Mutex/Semaphore Errors (No space left on device)

Introduction When managing Apache HTTP Server (httpd) on a Linux-based system, encountering startup failures accompanied by errors such as Couldn’t create the authdigest-opaque mutex  or No space left on device can indicate underlying issues with system-level semaphore limits. Apache may fail to start and log errors like the following: AH00023: Couldn’t create the authdigest-opaque mutex AH01760: failed

FAQ: What is the username and password for the instance console?

Instance Console Access Credentials What is the username and password for the instance console? When accessing the Instance Console through the IPServerOne Customer Portal, the required credentials depend on your VPS operating system. Linux VPS Username: Based on the OS image used during deployment: ubuntu – Ubuntu centos – CentOS debian – Debian rocky – Rocky Linux almalinux –

How to Shrink a Partition on Windows Server Using Disk Management

Introduction Managing disk space effectively is crucial for maintaining system performance and optimizing storage usage in Windows Server environments. While extending partitions is a common task when additional space is required, there are scenarios where shrinking a partition becomes necessary. Shrinking allows administrators to reduce the size of an existing volume, thereby creating unallocated space

How to Run and Manage Tasks Using screen on Linux

Introduction In Linux server environments, long-running processes such as system updates, file transfers, or script executions are common. Managing these tasks over SSH can become problematic if the session is interrupted or disconnected, leading to task termination. The screen utility is a terminal multiplexer designed to address this issue, allowing users to start a session,

FAQ: General CPU, is it able to have more storage?

General CPU – Storage Upgrade Capability General CPU, is it able to have more storage? Yes, the General CPU instances under our NovaCloud platform support additional storage through volume management features. Each instance allows you to: Attach or detach multiple volumes Resize (extend) existing volumes This means you can easily increase your storage capacity as