Guide

Docker Volumes store data independently from containers but require separate approach for backup. This guide describes universal methods for working with volumes using popular services as examples. 💡 Replace volume names with your own. Methods work with any containers. 📦 Backup volumes Via docker-volume-backup (recommended) docker run --rm \ -v portainer_data:/backup/portainer_data \ -v postgres_data:/backup/postgres_data \ -v redis_data:/backup/redis_data \ -v /opt/docker/backup:/archive \ --entrypoint backup \ offen/docker-volume-backup:v2 Parameters: Parameter Description -v <volume>:/backup/<name> Map volume to backup directory -v /opt/docker/backup:/archive Where to save archive on host --entrypoint backup Run backup mode --rm Remove container after completion Why this method: ...

This guide covers advanced OpenWRT configuration for power users. We’ll set up DNS-level traffic filtering, secure remote access via WireGuard, metrics monitoring, and automated notifications. 💡 All sensitive values are replaced with <...>. Substitute your own. 📦 Package installation opkg update # Monitoring: prometheus exporter + modules opkg install \ prometheus-node-exporter-lua \ prometheus-node-exporter-lua-nat_traffic \ prometheus-node-exporter-lua-netstat \ prometheus-node-exporter-lua-openwrt \ prometheus-node-exporter-lua-wifi \ prometheus-node-exporter-lua-wifi_stations # WireGuard: kernel module + tools + LuCI opkg install \ kmod-wireguard \ wireguard-tools \ luci-proto-wireguard # DNS over HTTPS opkg install https-dns-proxy # Debug utilities opkg install curl jq tmux htop Why these packages: ...

OrangePI and other ARM single-board computers often use eMMC or SD cards with limited write endurance. Over time, storage fills up, degrades, or fails. This guide describes a method for data recovery and migration to external storage (USB SSD/HDD) via a chroot environment. 💡 Method is universal: works for OrangePI, Raspberry Pi, NanoPi, and other ARM systems. 📦 Preparation Requirements Component Requirements USB drive SSD/HDD, capacity ≥ eMMC data Live image Any Linux with ARM support (optional) Access root or sudo, physical access to board Network Ethernet or WiFi (for remote access) Check connected storage # Show all MMC devices (eMMC, SD card) ls /dev/mmc* # Show all block devices lsblk # Show partitions and mount points df -h Expected output: ...