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luckydev /
Last active Jan 24, 2019
Install codedeploy agent in an EC2 instance
sudo apt-get -y install ruby
sudo apt-get -y install wget
# this location varies for every region. replace aws-codedeploy-us-west-1 with name given here
wget -c
chmod +x ./install
sudo ./install auto
luckydev / gist:ed966a7c12fd4b1311c063b77dc81389
Created Feb 20, 2018
Reset Google authenticator token (2FA) for a specific openvpn user
View gist:ed966a7c12fd4b1311c063b77dc81389
SSH Login as openvpnas user
$ ssh openvpnas@<open-vpn-server-ip>
$ cd /usr/local/openvpn_as/scripts/ # Go to OpenVPN AS Scripts directory
$ sudo ./sacli --user USERNAME GoogleAuthRegen # Replace USERNAME with username to get a new Google Authenticator Secret
luckydev / gist:b2a6ebe793aeacf50ff15331fb3b519d
Last active Jan 15, 2020
Increate max no of open files limit in Ubuntu 16.04/18.04 for Nginx
View gist:b2a6ebe793aeacf50ff15331fb3b519d
# maximum capability of system
user@ubuntu:~$ cat /proc/sys/fs/file-max
# available limit
user@ubuntu:~$ ulimit -n
# To increase the available limit to say 200000
user@ubuntu:~$ sudo vim /etc/sysctl.conf
luckydev / gist:fa20f717aa677751d0f6
Created Jun 24, 2015
add these lines to nginx config
View gist:fa20f717aa677751d0f6
upstream railsapp {
server weight=10 max_fails=5 fail_timeout=30s;
server {
listen 80;
location / {
proxy_pass http://railsapp/;
luckydev / def_method
Last active Aug 29, 2015
Define method
View def_method
class Order
attr_accessor :amount
def amount=(given_amount)
#write your logic here
order =
luckydev /
Created May 11, 2014
My first pieces of web db code. Without ORM. or ActiveRecord.
public void addAComment(Comment c) throws Exception{
Statement st = connection.createStatement();
String query = "insert into comments (comment,personid,personname,issueid,commenton,companyid) " +
System.out.println("====Comment added");
View Apple Evangelists.txt
UI- and App Frameworks Evangelist - Jake Behrens,, twitter: @Behrens
- What's new in Cocoa
- Accessibility in iOS
- Building User Interfaces for iOS 7
- Getting Started with UIKit Dynamics
- What's new in Cocoa Touch
- What's New With Multitasking
- Best Practices for Cocoa Animation
- Improving Power Efficiency with App Nap
- Introducing Text Kit
luckydev / basic_style_guidelines
Last active Dec 31, 2015
Basic Style guidelines
View basic_style_guidelines
How to declare a method:
- (returntype)nameofTheMethodParam:(paramtype)paramname andAnotherParam:(paramtype)paramname;
+ (returntype)nameofTheMethodParam:(paramtype)paramname andAnotherParam:(paramtype)paramname;
Not like these:
-(returntype)nameofTheMethodParam:(paramtype)paramname andAnotherParam:(paramtype)paramname;
-(returntype) nameofTheMethodParam:(paramtype)paramname andAnotherParam:(paramtype)paramname;
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