Bogdan bbl

Backups

Backup strategy

Storage

Store backups

Local disk
Remote storage - copy by scp
Remote storage - sync using Rsync

Aligning images

This is a guide for aligning images.

See the full Advanced Markdown doc for more tips and tricks

`left` alignment

Fix interface to 'eth0'

for ubuntu 16.04:

sudo sed -i "s/GRUB_CMDLINE_LINUX_DEFAULT=\"\(.*\)\"/GRUB_CMDLINE_LINUX_DEFAULT=\"\1 net.ifnames=0\"/" /etc/default/grub 
sudo update-grub2

reboot

Gitlab exports repositories to tar archive which contains .bundle files.

We have repo.bundle file and we want to restore files from it.

create bare repo from bundle file

git clone --mirror myrepo.bundle my.git

This will create a proxy server in whatever your availability zone your VPC is in. For me, that's us-east-1b. For you, that may be something different. Steps 10+ should more or less work regardless of your provider since those steps cover the setup and configuration of TinyProxy.

Click the Launch Instance button.
Choose Ubuntu Server 14.04 LTS (HVM), SSD Volume Type. This isn't strictly necessary. If you choose another OS, check its documentation for how to install new packages.
On the Choose an Instance Type screen, select t2.micro. It's Free Tier eligible.
Click the Next: ... buttons until you reach the Configure Security Group screen.
- You may wish to reduce the amount of storage on the Add Storage screen. This is optional.
- You may wish to add a tag on the Tag Instance screen. This is also optional.
On the Configure Security Group screen:

Select Create a new security group.

Handling errors in Rails with ActiveSupport

Rails provide a clean way to rescue exceptions in a controller with a defined method.

Let's suppose that you have a class with method create that could raise ActiveRecord::RecordInvalid exception:

class ExampleController < ApplicationController

    def create

Organizing `lib` directory with static services

`base_service.rb`

    module Core end

    module Core::BaseService
 extend self

Useful links:

Step 1

Make sure you have a Nvidia GPU that supports CUDA. You can do it by running these:

update-pciids - updates the description of the hardware
lspci | grep -i nvidia - find all nvidia hardware you have

	#!/usr/bin/env bash
	#
	# Author: Stefan Buck
	# License: MIT
	# https://gist.github.com/stefanbuck/ce788fee19ab6eb0b4447a85fc99f447
	#
	#
	# This script accepts the following parameters:
	#
	# * owner

	#!/usr/bin/env bash

	set -e

	CONTEXT="$1"

	if [[ -z ${CONTEXT} ]]; then
	echo "Usage: $0 KUBE-CONTEXT"
	exit 1
	fi