lpf23’s gists

lpf23 / OS X - Show Hidden Files

Last active August 29, 2015 13:57

OS X - Show Hidden Files

	Show all files:
	$ defaults write com.apple.finder AppleShowAllFiles -boolean true
	$ killall Finder

	Hide the hidden files again:
	$ defaults delete com.apple.finder AppleShowAllFiles
	$ killall Finder

lpf23 / 10 Digit Random Number Generator - JavaScript

Created March 25, 2014 14:03

10 Digit Random Number Generator - JavaScript

var digits = Math.floor(Math.random() * 9000000000) + 1000000000;

lpf23 / Install VirtualBox Guest Additions with Debian VM

Created April 19, 2014 23:36

Install VirtualBox Guest Additions with Debian VM

	http://virtualboxes.org/doc/installing-guest-additions-on-debian/

	Follow these steps to install the Guest Additions on your Debian virtual machine:

	1) Login as root;
	2) Update your APT database with apt-get update;
	3) Install the latest security updates with apt-get upgrade;
	4) Install required packages with apt-get install build-essential module-assistant;
	5) Configure your system for building kernel modules by running m-a prepare;
	6) Click on Install Guest Additions… from the Devices menu, then run mount /media/cdrom.

lpf23 / CentOS & sudo

Created April 29, 2014 21:41

CentOS & sudo

	http://wiki.centos.org/TipsAndTricks/BecomingRoot

	-- su --

	su - <user> --> gives identity of <user> along with <user>'s environment
	su <user> --> gives identity of <user> only

	su - root --> gives identify ot root along with environment
	su root --> gives identity of root only
	su - --> gives identity of root along with environment

lpf23 / CentOS Static IP

Created May 3, 2014 16:31

Set Static IP in CentOS VM

	# vi /etc/sysconfig/netwokr-scripts/ifcfg-eth0

	DEVICE=eth0
	...
	BOOTPROTO=static
	IPADDR=192.168.1.123
	NETMASK=255.255.255.0
	...

lpf23 / Install postgresql on CentOS - configure to connect with pgAdmin

Last active August 29, 2015 14:00

Installing postgres on CentOS - pg_hba.conf modifications

	1) # yum install postgresql postgresql-server
	2) # chkconfig postgresql on
	3) # service postgresql start
	4) # sudo -s
	5) # su - postgres
	6) $ psql -d template1 -U postgres
	7) ALTER USER postgres WITH PASSWORD '<newpassword>';
	8) \q
	9) # cd /var/lib/psql/data
	10) # vi pg_hba.conf

lpf23 / Update VBoxGuestAddtions on CentOS Guest

Created May 9, 2014 15:54

Update VirtualBox Guest Additions on CentOS

	I ran into an issue updating VirtualBox Guest Additions on CentOS 6.5 guest.

	This error specifically:
	"Virtualbox Guest Additions installation, Windows System and desktop setup install_x11_startup_app: no script"

	To resolve this error:

	1) Remove any old VBoxGuestAdditions-x.x.xx directories in /opt/
	ex: # rm -rf /opt/VBoxGuestAdditions-4.3.08
	2) Remove symlinks /usr/lib64/VBoxGuestAdditions and /usr/share/VBoxGuestAdditions

lpf23 / jekyll theme npm commands

Created May 16, 2014 18:02

Update Jekyll Theme Using NPM & Grunt

	$ cd /workspace/TECBlog <---- location of package.json file
	$ npm install <---- install packages referenced in package.json (only need to run once)
	$ grunt <---- run commands (theme changes, optimizations, etc.) in Gruntfile.js

lpf23 / SHA1 JavaScript Demo

Created May 21, 2014 19:26

Demo HTML page that runs a string through SHA1

lpf23 / Heroku DB Backup Commands

Last active August 29, 2015 14:01

Heroku DB Commands

heroku pgbackups:capture DATABASE --app app1 --expire

Lee Foster lpf23