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backup

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Java Captain
Java Captain
Jun 8, 2025 · Mobile Development

Unlock WeChat’s Hidden ‘recover’ Feature to Restore Deleted Chats

This article explains WeChat’s hidden “recover” feature, detailing its official purpose, technical limits, step‑by‑step recovery methods, effectiveness, backup strategies, and the risks of third‑party tools, helping users safely restore lost chat records.

Data RecoveryMobile DevelopmentWeChat
0 likes · 8 min read
Unlock WeChat’s Hidden ‘recover’ Feature to Restore Deleted Chats
IT Xianyu
IT Xianyu
Jun 4, 2025 · Databases

Comprehensive Guide to Automated MySQL Backup and Restore with Docker

This article provides a step‑by‑step tutorial for DBAs to design a reliable MySQL backup strategy, write a Bash automation script, schedule it with cron, and perform restoration drills using Docker containers, while covering directory planning, command checks, cleanup, and common troubleshooting.

Database RecoveryDockerMySQL
0 likes · 17 min read
Comprehensive Guide to Automated MySQL Backup and Restore with Docker
DevOps Operations Practice
DevOps Operations Practice
Jun 3, 2025 · Operations

7 Practical Shell Scripts for Linux Automation

This article presents seven practical Bash shell scripts for Linux system administration, covering automatic file backup, disk usage alerts, old log cleanup, server reachability checks, DNS resolution monitoring, HTTP service health checks, and random password generation, each with explanations and code examples.

Disk usage alertLinux automationLog cleanup
0 likes · 6 min read
7 Practical Shell Scripts for Linux Automation
IT Xianyu
IT Xianyu
May 27, 2025 · Databases

Automated MySQL Backup Script with Docker and Crontab

This guide explains how to set up an automated MySQL backup solution on AlmaLinux using Docker containers, a Bash script, and crontab, covering environment preparation, script creation, command checks, logging, error handling, and optional enhancements such as email notifications and security best practices.

DockerLinuxMySQL
0 likes · 7 min read
Automated MySQL Backup Script with Docker and Crontab
Raymond Ops
Raymond Ops
May 24, 2025 · Operations

How to Install and Configure rsync on Windows Server for Automated Backups

This guide walks through the required environment, Windows Server rsync installation, configuration of rsyncd.conf and password files, service startup, port verification, and client-side commands to achieve reliable, scheduled file synchronization between Windows machines.

System AdministrationWindows Serverautomation
0 likes · 4 min read
How to Install and Configure rsync on Windows Server for Automated Backups
Practical DevOps Architecture
Practical DevOps Architecture
May 20, 2025 · Databases

Comprehensive Guide to Using mysqldump for MySQL Backup and Restore

This article explains what mysqldump is, describes its backup mechanism, lists command‑line options with detailed meanings, provides example commands for exporting databases or tables, and shows how to restore data using both system and source commands.

MySQLbackupcommand line
0 likes · 8 min read
Comprehensive Guide to Using mysqldump for MySQL Backup and Restore
Java Tech Enthusiast
Java Tech Enthusiast
May 10, 2025 · Databases

Efficient Strategies for Deleting Massive Data from Large Database Tables

The article outlines why deleting tens of millions of rows in one statement harms performance and reliability, then presents safe, efficient tactics—such as indexed batch deletes, partition drops, creating a new table, or using TRUNCATE—plus pre‑deletion planning, post‑delete validation, monitoring, and space reclamation.

SQLbackupbulk delete
0 likes · 11 min read
Efficient Strategies for Deleting Massive Data from Large Database Tables
IT Services Circle
IT Services Circle
May 6, 2025 · Databases

Efficient Strategies for Deleting Massive Data from Large Tables

This article explains the risks of bulk deletions on million‑row tables and provides a step‑by‑step guide—including pre‑deletion planning, indexing, backup, batch deletion, partitioning, table recreation, TRUNCATE, and post‑deletion verification—to safely and quickly remove large volumes of data while minimizing lock contention, log growth, CPU spikes, replication lag, and rollback complications.

Batch DeleteSQLbackup
0 likes · 11 min read
Efficient Strategies for Deleting Massive Data from Large Tables
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Mar 31, 2025 · Operations

Using ACK Backup Center for Data Protection and Migration of Kubernetes Persistent Volumes

This guide explains how Alibaba Cloud ACK Backup Center enables data protection, backup, and cross‑cluster migration of Kubernetes Persistent Volumes by leveraging the Data Protection feature, illustrating configuration steps, backup and restore workflows, and practical YAML examples.

AckKubernetesPersistent Volume
0 likes · 10 min read
Using ACK Backup Center for Data Protection and Migration of Kubernetes Persistent Volumes
Mike Chen's Internet Architecture
Mike Chen's Internet Architecture
Mar 12, 2025 · Databases

Comprehensive MySQL Core Commands Tutorial

This article provides a step‑by‑step guide to essential MySQL operations, covering connection methods, database creation and deletion, user management, password changes, data manipulation, query techniques, indexing strategies, performance tips, and backup procedures, all illustrated with complete command examples.

IndexingMySQLQuery
0 likes · 7 min read
Comprehensive MySQL Core Commands Tutorial
Raymond Ops
Raymond Ops
Feb 25, 2025 · Operations

Master LVM Snapshots: Create, Restore, Merge and Test Environments on Ubuntu

This guide explains how LVM snapshots work using copy‑on‑write, shows step‑by‑step commands to create, mount, restore individual files or whole volumes, merge snapshots back into the original LV, and leverage snapshots for disposable test environments, all on Ubuntu 16.04.

LVMLinuxbackup
0 likes · 9 min read
Master LVM Snapshots: Create, Restore, Merge and Test Environments on Ubuntu
Practical DevOps Architecture
Practical DevOps Architecture
Feb 14, 2025 · Databases

Comprehensive MySQL Advanced Features Course Outline

This MySQL course provides an extensive curriculum covering advanced functions, transaction management, backup and recovery, user permission handling, and multi‑table relationships, presented through a series of video modules that guide learners from fundamental concepts to practical, production‑level implementations.

Advanced SQLMySQLTransactions
0 likes · 6 min read
Comprehensive MySQL Advanced Features Course Outline
Raymond Ops
Raymond Ops
Feb 3, 2025 · Operations

Master Elasticsearch Snapshots and Security: Step‑by‑Step NFS Backup Guide

This guide walks you through configuring Elasticsearch snapshot backups using NFS, installing and using elasticdump for data export, securing the cluster with SSL certificates, setting up user authentication, and managing Kibana access, providing complete commands, configuration snippets, and visual diagrams for each step.

Securitybackupelasticsearch
0 likes · 17 min read
Master Elasticsearch Snapshots and Security: Step‑by‑Step NFS Backup Guide
Xiaolei Talks DB
Xiaolei Talks DB
Jan 10, 2025 · Databases

How Zhihu Solved MongoDB Scaling Pain Points with a Cloud Migration

This article details Zhihu's security anti‑fraud system challenges with its self‑managed MongoDB cluster, the strategic move to Alibaba Cloud MongoDB services, the step‑by‑step migration plan, and the operational and performance benefits achieved after the successful cloud transition.

Cloud ComputingMongoDBbackup
0 likes · 12 min read
How Zhihu Solved MongoDB Scaling Pain Points with a Cloud Migration
Efficient Ops
Efficient Ops
Dec 18, 2024 · Databases

Master MySQL Data Recovery: Full Restores, Point‑In‑Time, and Flashback Techniques

This guide explains how to prevent data loss in MySQL by enabling backups and binlog, performing full restores with mysqldump or xtrabackup, executing point‑in‑time recovery, restoring individual tables, skipping erroneous SQL statements, and using flashback tools like binlog2sql and MyFlash.

Data RecoveryFlashbackMySQL
0 likes · 15 min read
Master MySQL Data Recovery: Full Restores, Point‑In‑Time, and Flashback Techniques
Aikesheng Open Source Community
Aikesheng Open Source Community
Dec 2, 2024 · Databases

MySQL Replication Filter Expansion: Adding New Databases with Efficient Backup and Restore

This article explains how to extend an existing MySQL master‑slave replication filter to include additional databases by using a low‑cost backup‑restore workflow, detailing two solution options, the chosen approach, and step‑by‑step commands for stopping replication, backing up, setting GTID points, restoring, and updating filter rules.

GTIDMySQLReplication
0 likes · 9 min read
MySQL Replication Filter Expansion: Adding New Databases with Efficient Backup and Restore
Efficient Ops
Efficient Ops
Dec 1, 2024 · Operations

How I Rescued a Production MySQL Database After a Fatal rm -rf Accident

After a junior engineer mistakenly ran an unguarded rm -rf command that wiped an entire production server—including MySQL and Tomcat—I documented the step‑by‑step recovery using ext3grep, extundelete, and MySQL binlog, highlighting the lessons learned for future operations.

Data RecoveryLinuxMySQL
0 likes · 9 min read
How I Rescued a Production MySQL Database After a Fatal rm -rf Accident
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Nov 18, 2024 · Cloud Native

Alibaba Cloud ACK Backup Center: Kubernetes Disaster Recovery and Migration with Resource Adjustment Strategies

This article explains how Alibaba Cloud ACK Backup Center simplifies Kubernetes disaster recovery and cross‑cluster migration by offering automated resource‑adjustment policies, detailed backup and restore workflows, and a step‑by‑step best‑practice example for migrating a stateful application with custom YAML configurations.

AckKubernetesMigration
0 likes · 10 min read
Alibaba Cloud ACK Backup Center: Kubernetes Disaster Recovery and Migration with Resource Adjustment Strategies