2016 | Chris' Laboratory

Frameworks PHP Server

17/12/201622/01/2017

Get AWS EC2 tags to environment parameters for apache2

Objective: AWS instances are assigned tags per instance. Need tags to be environment parameters for Apache2; thus, web application can retrieve environment parameter. Step...

Frameworks PHP

31/10/2016

PHP imap_open() error – INBOX: invalid remote specification (errflg=2)

INBOX: invalid remote specification (errflg=2) Got following error when use imap_open() in PHP? Notice: Unknown: Can't open mailbox {imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX: invalid remote specification (errflg=2)...

Server

31/10/201631/10/2016

How to re-compile imap.so with SSL enabled for MAMP Pro (Mac), macOS Sierra

Steps for re-compiling imap.so 1. Download imap source $ cd ~/Downloads $ wget -c ftp://ftp.cac.washington.edu/imap/imap-2007f.tar.gz $ rm -rf imap-2007f $ tar xvvfz imap-2007f.tar.gz...

Server

30/10/201631/10/2016

How to install memcache.so/memcached.so for MAMP Pro (Mac)

Install memcache.so for PHP 5.6 1. Install memcached $ brew install memcached 2. Download php source code http://www.php.net/downloads.php 3. Copy source code to...

Server

15/10/201615/10/2016

Vagrant Box 디스크 용량 늘리기

참고(Reference): http://tuhrig.de/resizing-vagrant-box-disk-space/ http://derekmolloy.ie/resize-a-virtualbox-disk/ http://stackoverflow.com/questions/11659005/how-to-resize-a-virtualbox-vmdk-file 요약 Vagrant는 디스크 용량을 바꿀수있는 옵션을 주지 않는다. 기본으로 40G(기본 이미지 10GB)를 제공하는데, 이 용량을 바꾸는 옵션을 제공하지 않는다. Vagrant의...

Server

12/10/201612/10/2016

[Linux] Remove all email & Reset /var/log files

Delete all mails $ mail > d * > q Force to reset log files not recommended $ sudo su $ cd /var/log $...

Frameworks PHP

11/10/201611/10/2016

PTV Timetable API sample code for PHP

API Page: https://www.ptv.vic.gov.au/about-ptv/ptv-data-and-reports/digital-products/ptv-timetable-api/ptv-timetable-api-reference/ 1. Request API key by sending email How to register for a key and developer ID > Send an email to APIKeyRequest@ptv.vic.gov.au...

Docker

22/09/201611/10/2016

Docker 1.12 – Deploying Docker Services within Docker Swarm Mode and Docker Machine

Docker 1.12 - Deploying Docker Services within Docker Swarm Mode and Docker Machine Source Repo: https://github.com/chrisleekr/docker-swarm-scalable-web-application-architecture This is proof-of-concept project to set up Docker Swarm...

Raspberry Pi

18/09/201618/09/2016

Raspberry pi에 Let’s Encrypt SSL 설치하기

Raspberry Pi의 IP를 알아낸다음에 Router에서 DMZ를 설정하여 외부 IP로 접속할 경우 Raspberry Pi로 접근이 되도록 한다. Raspberry Pi에 아파치를 설치한다. 설치방법: https://www.raspberrypi.org/documentation/remote-access/web-server/apache.md 외부 IP로 접속하여 Apache...

Frameworks Server

10/09/201610/09/2016

Vagrant Scalable Web Application Architecture

Deploying scalable web application using Vagrant, Consul, Consul Template, nginx and HAProxy Source Repo: https://github.com/chrisleekr/vagrant-scalable-web-application-architecture This is proof-of-concept project to spin up scalable web application architecture...

Raspberry Pi Security

01/09/201625/10/2016

Secure Raspberry Pi with iptables, PSAD, Fail2ban and OSSEC

Disable ping $ echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all Install iptables and iptables-persistent $ sudo apt-get install iptables iptables-persistent $ sudo service iptables-persistent start Create...

Frameworks MySQL Server

22/08/201629/08/2020

Vagrant MySQL Master-Slave Replication

Vagrant MySQL Master-Slave Replication Source Repo: https://github.com/chrisleekr/vagrant-mysql-master-slave-replication Vagrantfile to spin up MySQL Master-Slave replication with persistent data storage Note: This project is created for just practice....

Docker

17/08/201617/08/2016

Docker Tor+Proxy

Run tor and proxy server in docker and set Chrome browser to send all traffics to docker tor proxy server Environment: Windows 7 Docker Toolbox - https://www.docker.com/products/docker-toolbox...

General Documents Marketing

01/05/201630/08/2020

Idea – USB Lego Hub

Since using lots of devices require USB cable charging, I had to use USB hub. However, most of USB hubs are fixed, not flexible. I had...

Security

10/04/201611/04/2016

CryptoLocker 랜섬웨어 복구 방법/How to recover from CryptoLocker Ransomware

CryptoLocker 랜섬웨어 복구 방법 How to recover from CryptoLocker Ransomware 이 복구 방법은 암호화된 파일을 복호화시키는게 아니라 CryptoLocker가 암호화 시키는 과정에서 삭제된 파일을 복구를 시키는...

Security

22/03/201611/09/2016

주의 Document2.zip 첨부파일

상황 정리: 방금 전, 내 이메일로 나에게 수상한 압축파일이 하나 전달되었음. 리눅스 VM을 열어 파일을 다운로드하고 압축을 해제함. Document 2.zip안에는 RHE3451867925.js 자바스크립트 파일이 있어 파일을...

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