aivanise

#!/bin/bash
#
# automatic (linux) router failover script
# pings around and changes the default route to backup 
# if all the sites are not available for TIMEOUT seconds

# source the script to get useful control functions (type help for help)
# run it every minute or so to fail the default route over automatically 
# depoending on the availability of the IPs

aivanise

#!/bin/bash

# build a nested lxd lxd ;) container using the host zfs

set -o errexit

if [[ -z "$1" ]]; then
	echo "usage $0 hostname cluster_host [ pool_name ] [ cluster_password ]"
	echo "usage $0 lxd3 lxd1 rpool/lxd3"
	exit

aivanise

#!/bin/bash

# exec a command across lxc cluster

Usage() {
  cat <<EOHELP

run a command across a LXD cluster

Usage: $(basename $0) -s -f filter -u uservar=value -p project command

aivanise

#!/bin/bash

# zero all the free blocks on a (mounted) root fs to TRIM it
# and/or make it more compressible for backups
# during this process the machine is basically dead (only ssh works)
# reboots at the end

systemctl isolate rescue-ssh
sleep 3
systemctl stop systemd-journald.socket

aivanise

#!/bin/bash

# backup full image of the SD card to arbitrary directory and keep a number of them
# requires basyn: https://github.com/stvorl/basyn

# if parameter given, override the destination (i.e. an alternative sdcard)

DEST=/mnt/eksterni/backup/rock64-microsd.img
DESTDIR=/mnt/eksterni/backup/
DESTKEEPDAYS=30

aivanise

#!/bin/bash

# nordvpn control script for debian/ubuntu
# extra packages needed: fzf jq
# run without paramaters - present a picker with countries list, them pick a random server from that country
# vpn country - pick a random server from specified country
# vpn stop/start/status - run systemctl stop/start/status
# vpn config - see configured country

# put your nordvpn user/pass in /etc/openvpn/client/nordvpn

aivanise

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