Backup Articles

Virtualization Operations Avoidance Guide: 10 Practical Dimensions to Ensure Business Stability

2026-06-04 by boardor

Virtualization is the core support of enterprise IT, but failures often stem from overlooked details. This article breaks down 10 practical dimensions, teaching you to use “proactive operations” instead of “passive firefighting.” 1. Cluster Status: Stabilizing the “Framework” The cluster is the command center; anomalies in vCenter/SCVMM can lead to resource scheduling failures. Practical Check: … Read more

Quick Reference Guide to Common Linux Commands

2026-05-30 by boardor

This article lists various practical Linux commands from aspects such as backup and compression, file system search, networking, arithmetic operations and conversions, text processing, date and time, multimedia, disk usage and management, and hardware information, serving as a reference guide. 1. Backup and Compression Command Description <span><span>tar -c scripts/ | bzip2 -9 > scripts.tar.bz2</span></span> Compress … Read more

oVirt 4.4.3 Open Source Virtualization Platform: Exporting Virtual Machines in OVA Format

2026-05-12 by boardor

Hello everyone, I am Chen Jianhao, commonly known as Engineer Chen. I enjoy exploring technical issues and often organize the pitfalls and fragmented thoughts I encounter at work into articles. Occasionally, I also share insights from my work and life experiences. oVirt 4.4.3 Open Source Virtualization Platform: Exporting Virtual Machines in OVA Format [root@nodeC ~]# … Read more

SD Card Data Recovery Guide: Success Rate Comparison and Operation Analysis

2026-05-02 by boardor

In the digital imaging era, SD cards have become an important medium for storing photos and videos due to their convenience. However, accidental events such as deletion and formatting frequently occur, putting precious data at risk of loss. This article will systematically analyze the recovery logic of deleted data from SD cards from four dimensions: … Read more

Linux Backup Strategies and Tool Guide

2026-04-28 by boardor

In Linux systems, backing up data is an important step to ensure system security and data integrity. Whether you are a personal user or a system administrator, a reliable backup strategy and tools are needed to protect data. This article will introduce three commonly used Linux backup tools: rsync, tar, and dump, and provide practical … Read more

9 Key Knowledge and Experience in Virtualization Platform Operations

2026-04-21 by boardor

With the widespread application of virtualization, the maintenance and troubleshooting of virtual machines have become part of the daily work of operations personnel, such as VMware network optimization, PowerVM backup, centralized management of PowerVM, and handling failures like Citrix application not responding.The following are some operational experiences shared by community members for your reference. 1. … Read more

Data is Priceless! 8 File Backup Programs for Linux

2026-02-04 by boardor

Regular data backups are crucial for both servers and local computers.Despite significant technological advancements, people still tend to rely on tried-and-true old backup methods to protect their data from potential loss.Operating systems have become increasingly better at preventing catastrophic system crashes that lead to data loss. However, since data loss is inevitable, businesses and regular … Read more

Expect Proves More Effective than Ansible in Legacy Environments

2026-02-01 by boardor

Today, I am writing a scheduled backup task for an old Huawei switch S7703. After struggling with Ansible for a while, I ultimately resolved it using Expect. In legacy environments and with old devices, traditional methods still work best. During the use of Ansible, various network modules like ce/net were called, and the YAML execution … Read more

Detailed Operation Manual for Building a KVM Virtualization Platform on CentOS 8

2025-12-26 by boardor

1. Environment Preparation 1. Hardware Check bash egrep -c ‘(vmx|svm)’ /proc/cpuinfo # Return value>0 indicates support for virtualization lsmod | grep kvm # Check KVM module 2. System Update bash dnf update -y reboot 3. Install KVM Components bash dnf install -y qemu-kvm libvirt virt-install virt-viewer bridge-utils systemctl enable –now libvirtd 2. Network Configuration (Bridged … Read more