Tag Archives: ubuntu

Ubuntu Proxy setting

In a corporate network environment, a proxy server is often used. If you set up a proxy server in ubuntu’s some application, you’ll get a good network connection only that application,So Any other http or https connection other application is still impossible.Then, the following system wide proxy configuration is needed. If that proxy need to

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Configuration Hadoop core-site.xml Open to /opt/hadoop/etc/hadoop/core-site.xml by vi or nano and input below line Configuration Hadoop hdfs-site.xml Open to /opt/hadoop/etc/hadoop/hdfs-site.xml by vi or nano and input below line Configuration Hadoop workers Open to /opt/hadoop/etc/hadoop/workers by vi or nano and input below line Copy hadoop file all host Run start-dfs.sh command Check Hadoop Web UI Access

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Letsencrypt renew Error check point – Ubuntu

Letsencrypt renew Error check point – Ubuntu 만약에 최초 설치 시점이라면 아래 내용을 보는게 좋습니다. https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-ubuntu-16-04 여기에서는 문제를 해결하는 부분을 다루어 보겠습니다. Letsencrypt는 SSL을 무료로 사용할 수 있지만, 3개월 단위로 갱신을 해줘야 하기 때문에 자동 설정 및 인증서 파일등의 위치가 중요합니다. 만약 갱신과 관련하여 오류가 난다면 먼저 살펴봐야 하는 것은 Letsencrypt는 오류 메세지와 함께 설정

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Ubuntu Firewall setting By UFW

The basic firewall in Ubuntu is UFW. So here’s how to use the basic UFW.. UFW enable/disable sudo ufw enable sudo ufw disable Displays a warning that the firewall will be blocked on activation. Allow and block UFW Port base, Service base: sudo ufw allow <port>/<optional: protocol> sudo ufw allow 80 sudo ufw allow 80/tcp sudo

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How to Install Squid 3 with Ubuntu

Today, I publish to how to install proxy server. Proxy server help to us for make fast network. It’s use to Ubuntu Server and Squid version 3. You just follow below step. 1. Ubutu Server Install http://www.ubuntu.com/download/server -When installing server include SSH. 2. Proxy Install sudo apt-get install squid3 Backup to Configration sudo cp /etc/squid3/squid.conf

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