Install xrdp in Ubuntu 14.04 and CentOS 7 for remote desktop

Ubuntu 14.04:
Prerequisites:

• Update OS: sudo apt-get update & upgrade -y
• Install gnome desktop : sudo apt-get install ubuntu-gnome-desktop -y

Install xrdp:

1. sudo apt-get install xrdp
2. sudo apt-get install xfce4 -y
3. echo xfce4-session >~/.xsession
4. sudo service xrdp restart

CentOS 7:
Prerequisites:

• Update OS: sudo yum update
• Install gnome desktop : sudo yum groupinstall "GNOME Desktop" "Graphical Administration Tools"

Install xrdp:

• Create a repository file: 
1. vi /etc/yum.repos.d/xrdp.repo
2. add these content into that file
   [xrdp]
   name=xrdp
   baseurl=http://li.nux.ro/download/nux/dextop/el7/x86_64/
   enabled=1
   gpgcheck=0
3. yum -y install xrdp tigervnc-server
• Start xrdp service: systemctl start xrdp.service
• Enable service at startup: systemctl enable xrdp.service
• Config firewall: 
1. firewall-cmd --permanent --zone=public --add-port=3389/tcp
2. firewall-cmd --reload

• Configure SELinux:
1. chcon --type=bin_t /usr/sbin/xrdp
2. chcon --type=bin_t /usr/sbin/xrdp-sesman

Resume to the same connection:

1.  sudo vi /etc/xrdp/xrdp.ini

[xrdp1] 

name=sesman-vnc 

lib=libvnc.so 

username=ask 

password=ask 

ip=127.0.0.1 

port=-1  ⇐ change to 5912, so the connect will resume.