Alexander Bartsch alexbartsch

alexbartsch / Add-SSH-Key

Last active August 29, 2015 14:02

Add Public SSH Key to Remote Server in a Single Command

	ssh-keygen -t rsa
	cat ~/.ssh/id_rsa.pub \| ssh user@hostname 'cat >> .ssh/authorized_keys'

alexbartsch / Patch Shellshock

Last active August 29, 2015 14:06

Patch 'shell shock'

	sudo apt-get update && sudo apt-get install --only-upgrade bash
	env x='() { :;}; echo vulnerable' bash -c "echo this is a test"

alexbartsch / mutate-virtualbox-to-libvirt.sh

Last active August 29, 2015 14:07

Mutate a vagrant-box for using it with libvirt

	#!/bin/sh
	#
	# This is a script to convert (by using `mutate` command of VirtualBox)
	# a virtualbox image for using it with libvirt
	#

	wget http://cloud-images.ubuntu.com/vagrant/trusty/current/trusty-server-cloudimg-amd64-vagrant-disk1.box -O ubuntu-trusty-x64-vagrant.box
	vagrant mutate ubuntu-trusty-x64-vagrant.box libvirt
	vagrant box list
	export VAGRANT_DEFAULT_PROVIDER=libvirt

alexbartsch / forward-port-via-iptables

Created November 11, 2014 13:38

Forward incoming traffic off specific port

	/etc/rc.local

	iptables -F FORWARD
	iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination 192.168.122.10:80

alexbartsch / mysql-full-backup

Created November 17, 2014 09:38

Create MySQL dump for all databases

mysqldump -u root --all-databases | gzip -c > $(date +%Y-%m-%d)_name-all-databases.sql.gz

alexbartsch / vagrant-rsync-ssh-too-many-connections

Created November 20, 2014 12:00

Resolve "vagrant up" rsync error, because of "Too many authentication failures"

ssh-add $HOME/.vagrant.d/insecure_private_key

alexbartsch / git-composer-typo3-deny-access

Created November 24, 2014 08:37

Deny direct access to git and composer files.

	# Deny direct access to several files
	RewriteCond %{REQUEST_URI} ^/typo3_src [OR]
	RewriteCond %{REQUEST_URI} ^/composer.json [OR]
	RewriteCond %{REQUEST_URI} ^/composer.lock [OR]
	RewriteCond %{REQUEST_URI} ^/.gitignore [OR]
	RewriteCond %{REQUEST_URI} ^/.gitattributes [OR]
	RewriteCond %{REQUEST_URI} ^/phpci.yml
	RewriteRule .* / [L,R=301]

alexbartsch / aws-opworks-non-standard-git-port

Created February 25, 2015 21:13

Use AWS OpsWorks deployment with non standard git port.

ssh://[email protected]:__YOUR-PORT__/path-to/repository.git

alexbartsch / create-vm-from-iso.sh

Last active August 29, 2015 14:27 — forked from srics/create-vm-from-iso.sh

Create KVM Virtual Machine using Ubuntu Trusty ISO image

	#!/bin/bash -x

	VM_NAME=_base_trusty64_openstack
	VM_MEM=8192
	VM_VCPUS=4
	VM_DISK_ISO=/var/lib/libvirt/images/ubuntu-14.04.1-server-amd64.iso
	VM_NETWORK="bridge=br-ext"

	VM_PATH=/opt/vms/${VM_NAME}
	VM_DISK=${VM_PATH}/${VM_NAME}_disk.qcow2

alexbartsch / virt-resize-guest-disk.sh

Last active September 24, 2016 19:36

Resize vm guest disk space

	# http://libguestfs.org/virt-resize.1.html

	virt-filesystems --long --parts --blkdevs -h -a /home/libvirt-images/cloud-01_default.img

	# Name Type MBR Size Parent
	# /dev/sda1 partition 83 40G /dev/sda
	# /dev/sda device - 40G -

	# truncate -s 128G cloud-01_default-resized.img
	qemu-img create -f qcow2 -o preallocation=metadata cloud-01_default-resized.img 128G