Setup Remote Access (VNC) of Linux Servers

2016-12-02. Category & Tags: VNC, Server, Linux, XServer

Tested in Ubuntu 16.04 desktop Gnome+Unity in Vmware. OBS: pure server will automatically start X in reboot and will lack of something, e.g. Default Terminal etc. FIREWALL # TCP port 5900+N (N is monitorId, starts from 1.) TIGHT.VNC AS SERVER # TightVnc allows us to start from a server without X11 and do everything in command line, remotely. install (either already with or w/o desktop) # sudo su: use root can avoid weird problems, see “ps”. ...

Installing & Using Nginx HTTP (and Reverse Proxy) Server in Ubuntu LTS

2012-04-24. Category & Tags: HTTP, Server, Reverse Proxy

nginx is a great alternative to apache2, it is better to handle static web pages and files. another one is lighttpd which is optimized for long-time keep-alive (a lot of connections). Install in Ubuntu # 18.04 ~ 22.04 LTS # sudo apt install -y software-properties-common && sudo add-apt-repository ppa:nginx/stable sudo apt update && \ sudo apt install -y nginx nginx-extras && \ systemctl status nginx ref: digitalocean 10.04 LTS # sudo -s apt-get install gcc g++; wget http://downloads. ...

Ansible How To

Category & Tags: Ansible, Server, Cloud/Cluster, Management, DevOpt, Puppet

A simple video tutorial OBS: ansible uses py, and py calls /bin/sh, NOT bash ! PRE-CONFIG # suggested: use ssh-pub-key auth without passphrase. INSTALL # Optioanl: add ppa:ansible/ansible installation: sudo apt-get update && \ sudo apt-get install ansible HOSTS # vim /etc/ansible/hosts master.ip.1 [slaves] slave.domain1 slave.ip.addr.2 [slavesGroup2] slave.domain2 slave.ip.addr.1 (see ref to give hosts’ names individually.) SLAVE USERNAME # sudo mkdir /etc/ansible/group_vars && \ sudo echo '---' > /etc/ansible/group_vars/all && \ sudo echo 'ansible_ssh_user: root' >> /etc/ansible/group_vars/all (see DigitalOcean ref to config hosts individually. ...