Update backup and logging documentation for Proxmox and containers. Adjust retention policies for Yandex Object Storage and enhance log rotation settings across various containers. Include detailed instructions for VPS backup processes and configurations for AmneziaVPN.

scripts/backup-etc-pve.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# Бэкап /etc/pve и конфигов хоста (interfaces, hosts, resolv.conf).
+# Запускать на хосте Proxmox под root. Cron: 0 3 * * * (после основного backup job в 02:00).
+set -e
+
+BACKUP_ROOT="/mnt/backup/proxmox/etc-pve"
+RETENTION_DAYS=30
+
+if [ "$(id -u)" -ne 0 ]; then
+  echo "Запускайте под root."
+  exit 1
+fi
+
+mkdir -p "$BACKUP_ROOT"
+DATE=$(date +%Y%m%d-%H%M)
+
+tar -czf "$BACKUP_ROOT/etc-pve-$DATE.tar.gz" -C / etc/pve
+tar -czf "$BACKUP_ROOT/etc-host-configs-$DATE.tar.gz" -C / etc/network/interfaces etc/hosts etc/resolv.conf 2>/dev/null || true
+
+chmod 600 "$BACKUP_ROOT"/etc-pve-*.tar.gz "$BACKUP_ROOT"/etc-host-configs-*.tar.gz 2>/dev/null || true
+
+find "$BACKUP_ROOT" -name 'etc-pve-*.tar.gz' -mtime +$RETENTION_DAYS -delete
+find "$BACKUP_ROOT" -name 'etc-host-configs-*.tar.gz' -mtime +$RETENTION_DAYS -delete