[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 $ > lastlog $ > wtmp $ > dpkg.log $ > kern.log $ > syslog $ > messages $ exit
Delete all mails $ mail > d * > q Force to reset log files not recommended $ sudo su $ cd /var/log $ > lastlog $ > wtmp $ > dpkg.log $ > kern.log $ > syslog $ > messages $ exit
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 [email protected] with the following information in the subject line of the email: • “PTV Timetable API – request for key” > Once we’ve got your email request, we’ll send you a […]
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 in development environment with single command. This project involves: Docker Machine Docker Swarm – Docker Built-in Orchestration Local Docker Registry Docker Network Docker Service Note: This project is created for […]
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 설치 여부를 확인한다. Raspberry Pi에 다이나믹 도메인을 연결한다 https://www.noip.com (무료) 에 가입을 한다 NoIP Dynamic Update Client를 다운로드 및 설치한다. 다운로드: https://www.noip.com/download?page=linux 설치방법: https://www.noip.com/support/knowledgebase/installing-the-linux-dynamic-update-client-on-ubuntu/ 다이나믹 도메인 (http://xxxxx.ddns.net)에 접속이 되는지 확인한다. […]
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 with Vagrant. The project involves: Vagrant for launching multiple VM instances and persistent storage Consul for health checking and service discovery Consul Template for automated load balancer management nginx for […]
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 shell script $ nano reset_iptables.sh #!/usr/bin/env bash iptables -F iptables -A INPUT -i lo -j ACCEPT iptables -A OUTPUT -o lo -j ACCEPT iptables -A INPUT -m conntrack –ctstate ESTABLISHED,RELATED […]
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. Not suitable for production use. Prerequisites Vagrant 1.8.1+: http://www.vagrantup.com/ VirtualBox: https://www.virtualbox.org/ Usage $ git clone https://github.com/chrisleekr/vagrant-mysql-master-slave-replication.git $ cd vagrant-mysql-master-slave-replication $ vagrant up After vagrant machines are running, you can connect […]
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 Proxy Helper – https://chrome.google.com/webstore/detail/proxy-helper/mnloefcpaepkpmhaoipjkpikbnkmbnic?utm_source=chrome-app-launcher-info-dialog Step 1: Create docker-compose-tor.xml version: ‘2’ services: torproxy: image: jess/tor-proxy expose: – “9050” restart: “always” privoxy: image: jess/privoxy links: – torproxy ports: – “8118:8118” expose: – “8118” restart: […]
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 to buy 10 ports USB hub, even if I don’t need 10 ports, or If I buy 3 ports USB hub, I need more ports. So end to buy more […]
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 방법이며, 100% 완벽한 복구 방법이 아니다. 조사를 해보니 CryptoLocker는 먼저 파일을 복사하여 복사본을 만든다음에 그 복사본을 암호화하고, 원본 파일을 삭제하는 기법을 사용한다. 그렇기 때문에 CryptoLocker에 걸리고 나서 데이터 변화가 없다는 가정하에, […]
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