Olaseni Oluwunmi olaseni

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Full Stack Developer, DevOps Enthusiast.

olaseni / list_gcp_iprange.sh

Created July 10, 2019 05:34 — forked from n0531m/list_gcp_iprange.sh

Google Cloud Platform : ip address range

	#!/bin/bash

	# https://cloud.google.com/compute/docs/faq#find_ip_range
	# nslookup -q=TXT _cloud-netblocks.googleusercontent.com 8.8.8.8

	myarray=()
	for LINE in `dig txt _cloud-netblocks.googleusercontent.com +short \| tr " " "\n" \| grep include \| cut -f 2 -d :`
	do
	myarray+=($LINE)
	for LINE2 in `dig txt $LINE +short \| tr " " "\n" \| grep include \| cut -f 2 -d :`

olaseni / block-ip.sh

Last active May 2, 2019 06:07

Blocks/rejects an IP address irrespective of port, for TCP connections

	#!/usr/bin/env bash


	block() {
	# $1 is the remote address you want to block.

	route add $1 gw 127.0.0.1 lo
	route add -host $1 reject

	# Flush the cache.

olaseni / zimbra_manage_disclaimers.sh

Last active October 4, 2024 20:18

Zimbra Enable/Disable Disclaimers

	# Run as zimbra user

	# Add Disclaimer

	zmprov mcf zimbraDomainMandatoryMailSignatureEnabled TRUE
	zmprov md DOMAIN.COM zimbraAmavisDomainDisclaimerText "text disclamer"
	zmprov md DOMAIN.COM zimbraAmavisDomainDisclaimerHTML "<html><body><h1>HTML Disclaimer</h1><br> <h1>User 1</h1><br>phone number here</body></html>"
	./libexec/zmaltermimeconfig -e DOMAIN.COM
	./libexec/zmaltermimeconfig # if have multiple MTAs

olaseni / generate-ssh-key.sh

Created August 23, 2018 19:47 — forked from grenade/01-generate-ed25519-ssh-key.sh

Correct file permissions for ssh keys and config.

	ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/id_rsa
	ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/github_rsa
	ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/mozilla_rsa

olaseni / dump_ram_metrics.sh

Last active May 2, 2019 05:17

A simple bash script that dumps RAM metrics and usage.

	#!/usr/bin/env bash
	# RAM/CPU consumers
	# ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%mem \| head
	# ps aux \| awk '{print $2, $4, $11}' \| sort -k2rn \| head -n 20 # more details, less metrics
	# ps aux --sort=-%mem \| awk 'NR<=10{print $0}' # even more details

	LOG="/var/log/ram.dump.log"
	DATE="$(date)"

	# echo -e "RAM Dump @ ${DATE} :\n $(vmstat -sn -SM \| egrep '(total\|free)')" >> ${LOG}