trajakovic’s gists

trajakovic / compile-elixir-v1.6.3.sh

Last active March 10, 2018 18:33

Compile and install Erlang 20.2 from source on Ubuntu 16.04 (Xenial Xerus or Linux Mint Sylvia 18.3). Compile and install Elixir 1.6.3 on Ubuntu 16.04

	# requirement: erlang, git
	ELIXIR_VERSION="1.6.3"

	sudo apt-get update && sudo apt-get install -y git && \
	rm -rf /tmp/code/elixir/${ELIXIR_VERSION} && mkdir -p /tmp/code/elixir/${ELIXIR_VERSION} && cd /tmp/code/elixir/${ELIXIR_VERSION} && \
	git clone -b "v${ELIXIR_VERSION}" --single-branch --depth 1 https://github.com/elixir-lang/elixir.git . && \
	make clean test && \
	sudo make install && \
	cd && rm -rf /tmp/code/elixir && \
	echo "Check your elixir version by typing 'iex --version'"

trajakovic / react-native-clear-all.sh

Last active March 2, 2018 10:32 — forked from EQuimper/clear.txt

React-Native clear Watchman + Cache + Temp

	rm /tmp/haste-* /tmp/flow /tmp/metro-* /tmp/socketcluster/ -rf && watchman watch-del-all
	yarn start -- --reset-cache

trajakovic / generate_files.sh

Created April 20, 2017 06:48

Generate binary files with random content...and calculate their sha256

	#!/bin/bash

	#size magnitude
	sizes=( "" "K" "M" )


	for magnitude in "${sizes[@]}"; do
	for size in `seq 1 5 51`; do
	echo "Generating ${size}${magnitude}"
	head -c ${size}${magnitude} </dev/urandom >file-${size}${magnitude}.bin

trajakovic / container-limits.sh

Created April 7, 2017 10:09

Borrowed from: https://github.com/fabric8io-images/java/blob/master/images/jboss/openjdk8/jdk/container-limits

	#!/bin/sh

	# Detected container limits
	# If found these are exposed as the following environment variables:
	#
	# - CONTAINER_MAX_MEMORY
	# - CONTAINER_CORE_LIMIT
	#
	# This script is meant to be sourced.

trajakovic / dhclient.conf

Last active April 7, 2017 10:08

Configuration how to /etc/resolv.conf regenerate with local DNS nameserver prepend; works on Fedora(24+) and probably on CentOS7

	# update/crete file on location /etc/dhcp/dhclient.conf

	# replace 127.0.0.1 with your dns to prepend with
	prepend domain-name-servers 127.0.0.1;

trajakovic / docker_1.13_manual_install_centos.sh

Created March 28, 2017 09:07

Docker 1.13 manual installation on CentOS7 for Openshfit Origin 1.5.0.rc0 (since latest docker version is 17.03, oc cluster up is not happy with version)

	yum install wget
	wget https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.13.1-1.el7.centos.x86_64.rpm
	wget https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.13.1-1.el7.centos.noarch.rpm

	#nice site with pckgs: https://pkgs.org/

	#package for docker-engine-selinux
	yum install -y policycoreutils-python
	rpm -i docker-engine-selinux-1.13.1-1.el7.centos.noarch.rpm

trajakovic / DeleteModelInBatchOnSubscribe.java

Created May 2, 2016 12:51

Android DbFlow Update/Delete/Save models in batch with RxJava - ReactiveX with DbFlow

	import android.database.Cursor;
	import android.support.annotation.NonNull;

	import com.raizlabs.android.dbflow.runtime.DBTransactionInfo;
	import com.raizlabs.android.dbflow.runtime.TransactionManager;
	import com.raizlabs.android.dbflow.runtime.transaction.BaseTransaction;
	import com.raizlabs.android.dbflow.runtime.transaction.QueryTransaction;
	import com.raizlabs.android.dbflow.runtime.transaction.TransactionListener;
	import com.raizlabs.android.dbflow.sql.builder.ConditionQueryBuilder;
	import com.raizlabs.android.dbflow.sql.language.Delete;

trajakovic / create-ca-cert.sh

Created November 13, 2015 13:42

openssl - certificates: create ca, create cert, sign cert, pack cert to p12

	#!/bin/bash

	openssl genrsa -des3 -out ca.key 4096 && \
	echo "CA key generated, file ca.key. Now retype password to create cert" && \
	openssl req -new -x509 -days 730 -key ca.key -out ca.crt && \
	echo "CA cert generated, file: ca.crt"

trajakovic / git-security-fix.sh

Created October 26, 2015 08:10

Behind firewall: When git responds with Connection Refused, and heads start with git://

git config --global url."https://".insteadOf git://

trajakovic / unlimited_bash_history.sh

Created October 23, 2015 14:24

Fedora/unlimited_bash_history

	#!/usr/bin/env bash

	func_check_for_root() {
	if [ ! $( id -u ) -eq 0 ]; then
	echo "ERROR: $0 Must be run as root, Script terminating" ;exit 7
	fi
	}
	func_check_for_root

	cat <<_EOF_ \| sudo tee /etc/profile.d/bash_unlimited_history.sh

Tomislav trajakovic