Articles »

QNX RTOS(Real Time Operating System)

[2 Feb 2020 | 6 Comments | ]

QNX  RTOS (pronounced either Q-N-X or Q-nix) is a commercial POSIX-compliant Unix-like real-time operating system, aimed primarily at the embedded systems market. As of September 12 2007, the source of the QNX kernel has been released for non-commercial use.

Description
As a microkernel-based OS, QNX operating system is based on the idea of running most of the OS in the form of …

Read the full story »

Articles »

Repair duplicate rpm in Centos system

[30 Jan 2020 | No Comment | ]

Centos Logo
Repair duplicate rpm package is not an easy task. In this post we will learn on how to repair duplicate rpm in Centos system. Before this we have learn how to recover wrongly set permission on Centos 7.
Recently I have encounter problem with duplicate rpm issue in one of my server using Centos. The problem was caused by sudden …

Read the full story »

Virtualization »

Fix broken virtuozzo container

[29 Oct 2019 | One Comment | ]

On this guide, we will learn how to fix broken virtuozzo container. The server is actually a cloud storage server. The purpose of the cloud storage server function like almost high availability. When the hardware node down, the vps container inside the node will automatically migrate to available active hardware node. In this setup we have 5 hardware node or we also called it Parallels Cloud Server(PCS).

Read the full story »

Cpanel »

Restore database from *.frm for corrupted database

[23 Oct 2019 | No Comment | ]

Recently on of my client have problem with the database corruption in Cpanel. The website trowing error related with database. We check our daily MySQL backup and found there is no data in the client MySQL database. To make thing worst our weekly and monthly backup also doesn’t have the database. According to client the last access to the website is in March.

Read the full story »