The International Earth Rotation & Reference Systems Service (IERS) has mentioned that an extra second is to be added to Coordinated Universal Time (UTC) at 23:59:59 on 30 June 2015 and this is to make sure the alignment of astronomical and atomic time. Coordinated Universal Time, UTC is one of the basic time conventions used by most of the world’s local time zones. This UTC time convention has been derived from a bunch of atomic clocks that are distributed across several countries globally. The rotation of our earth is not …
The VENOM vulnerability, also known as the QEMU virtual machine exploit, is a critical security flaw discovered on May 13, 2015 by security researcher Jason Geffner during a security review of virtual machine hypervisors. VENOM stands for Virtualized Environment Neglected Operations Manipulation and affects virtualization environments that rely on the QEMU emulator. What Is the VENOM Vulnerability? VENOM (CVE-2015-3456) is a virtual machine escape vulnerability located in the Virtual Floppy Disk Controller (FDC) code used by QEMU. Many popular virtualization platforms depend on QEMU components, including: If successfully exploited, the …
Issue Description While trying to access an OpenVZ container using the following command: you may encounter this error: Here, 10524 refers to the container ID. Step 1: Check Node Memory Availability First, verify whether the host node is running out of memory: If the system shows sufficient free memory, the issue is likely not at the node level. Step 2: Check Resource Limits (privvmpages) If memory is not the issue, the problem is usually related to OpenVZ memory limits, especially privvmpages. Check current resource usage: This file contains resource usage …
When you need to distribute website traffic across multiple servers without investing in a hardware or cloud load balancer, Round Robin DNS offers a simple and cost-effective solution. It is one of the oldest and most commonly used DNS load balancing techniques, especially for websites hosted on multiple servers with identical configurations. In this guide, we’ll explain how Round Robin DNS works, how to configure it in BIND, and the impact of TTL and DNS caching on load balancing performance. What Is Round Robin DNS? Round Robin DNS is a …
PHP: Hypertext Preprocessor has been involving in all of its dynamics in the recent years. In recent times it has involved included and engulfed many of the recent development and api that has been introduced to the computer world especially web developing. Switching to higher version of PHP is always good but before proceeding the switch we recommend to test the code in the new version and be well satisfied on the code execution. In this doc we will be taking an overlook on the changes and precaution one should …
In Linux servers, more than 60 binaries and major services such as SSH, Named, Bash etcrely on the glibc libraries. A heap-based buffer overflow was found in __nss_hostname_digits_dots() and an attacker could use this flaw to execute arbitrary code with the privilege of the users running the application using the function gethostbyname() Check if your server is GHOST vulnerable If the glibc version in your server is lower than 2.18, then your server is most exposed to this vulnerability. You can check the glibc version in your server using …
The Config Server Mail Queue is an addon feature available with cPanel/WHM which provides with a full-featured interface to the cPanel exim email queues from within WHM. The add-on feature provides with an interface to the cPanel user accounts email configuration without having to log in to their accounts. It is domain-based rather than account-based. Features View, edit and delete email accounts, email forwarders and email filters. View and modify email account quotas Modify email account passwords List only email accounts that are over quota Modify Outgoing Mail Hourly Limits …
Choosing the right web server is critical when running applications on Virtual Private Servers (VPS) or systems with limited resources. While Apache remains one of the most widely used web servers, lightweight alternatives like Lighttpd provide significant advantages in environments where memory usage, speed, and efficiency are essential. Lighttpd (pronounced lighty) is an open-source web server specifically designed for high-performance and low-resource systems. Its architecture makes it an excellent choice for developers and system administrators managing resource-constrained servers. What is Lighttpd? Lighttpd is a lightweight, high-performance web server optimized for …
Amazon Simple Storage Service (Amazon S3), provides developers and IT teams with secure, durable, highly-scalable object storage. Amazon S3 is easy to use, with a simple web services interface to store and retrieve any amount of data from anywhere on the web. This article is explain about of how to take cPanel backup to amazon s3. First thing you need to setup your S3 server and create a bucket to dump stuff in. Get your secret key ID and access ID by the following steps. 1. Login to your Amazon …
Vesta Control Panel (VestaCP) is a free and open-source Linux VPS control panel designed to simplify server and website management. It allows administrators to manage websites, DNS, mail services, and databases through a clean and user-friendly interface. VestaCP supports multiple Linux distributions such as CentOS, RHEL, Debian, and Ubuntu, making it a flexible choice for VPS hosting environments. Key Features of VestaCP Vesta Control Panel offers a range of powerful features for efficient server management: How to Install VestaCP on a VPS Follow these steps to install VestaCP on your …