Q. What is Wetty (Web + tty) ?

Ans: Terminal over HTTP and HTTPS. Wetty is an alternative to ajaxterm/anyterm but much better than them because wetty uses ChromeOS' terminal emulator (hterm) which is a full fledged implementation of terminal emulation written entirely in Javascript. Also it uses websockets instead of Ajax and hence better response time.

Step: 1. Install EPEL Repo :

# yum -y install epel-release

Step: 2. Install Wetty Dependencies :

# yum clean all
# yum -y install git nodejs npm screen
# yum groupinstall "Development Tools"
# npm -g update

Step: 3. Install NTP (Time Synchronization) :

# yum -y install ntp
# service ntpd restart
# chkconfig ntpd on
# ntpdate pool.ntp.org

Step: 4. After Installing these Dependencies, Clone the Wetty GitHub Repository :

# cd /root
# git clone https://github.com/krishnasrinivas/wetty

Step: 5. Install Wetty :

# cd wetty
# npm install pty.js
# npm install

Step: 6. Starting Wetty & Access Linux Terminal from Web Browser :

# node app.js -p 8080 (Port no.)

http://Your_IP-Address:8080

Step: 7. Run Wetty through HTTPS :

# cd /root/wetty
# openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 365 -nodes

Country Name (2 letter code) [XX]:IN
State or Province Name (full name) []:West Bengal
Locality Name (eg, city) [Default City]:Siliguri
Organization Name (eg, company) [Default Company Ltd]:TechnoMedia
Organizational Unit Name (eg, section) []:IT
Common Name (eg, your name or your server's hostname) []:ser1.techno.com
Email Address []:your_email@techno.com

Step: 8. Launch Wetty via HTTPS :

# screen
[Just Press Enter]

# cd /root/wetty
# node app.js --sslkey key.pem --sslcert cert.pem -p 8080

Step: 9. Add an User for Wetty :

# useradd koushik
# passwd koushik

New password: redhat
Retype new password: redhat

# vi /etc/sudoers

koushik    ALL=(ALL)    NOPASSWD:ALL

-- Save & Quit (:wq!)

Step: 10. Access Wetty Through Web Browser :

https://Your_IP-Address:8080
User: koushik
Pass: redhat

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