openedx installation on Linux | openedx installation on Ubuntu

Easy way :
1. Download the installer (.run file)

https://bitnami.com/stack/edx/installer

2. Make it executable.

chmod a+x filename.run

3. Run the installer.

./filename.run

Hard way:
Install using bash script. Why it is hard because it is gonna give many errors, you need to fix them one by one and start installing again and again until it is installed completely.

wget https://raw.githubusercontent.com/edx/configuration/$OPENEDX_RELEASE/util/install/sandbox.sh -O - | bash

You choose the version of Open edX by setting the OPENEDX_RELEASE variable before running the commands. See Open edX Releases for the tags you can use.

https://openedx.atlassian.net/wiki/spaces/DOC/pages/11108700/Open+edX+Releases

Release names like open-release/ginkgo.2, open-release/eucalyptus.3, open-release/ficus.4 etc

Example:

wget https://raw.githubusercontent.com/edx/configuration/open-release/ginkgo.2/util/install/sandbox.sh -O - | bash

Helpful url :

https://openedx.atlassian.net/wiki/spaces/OpenOPS/pages/146440579/Native+Open+edX+Ubuntu+16.04+64+bit+Installation

Hardest way:
Install each package separately like these guides are suggesting. Similar guides you can find for centos and fedora.

https://www.iblstudios.com/step-step-guide-install-open-edx-platform-ficus-release/

I would suggest you to install on virtual machine like docker, vagrant or vmware instead of start installing on your system.

code 127 --> sh: /usr/bin/expect: not found

 sh: /usr/bin/expect: not found

Install expect on your Linux system.

If you are using ubuntu or debian, Run

sudo apt-get install expect

If you are using CentOS, fedora or RHEL, Run

sudo yum install expect

Install XAMPP using command line on Linux

Install XAMPP using command line on Ubuntu, CentOS, Fedora, Debian, RHEL

If you are installing xampp first time on your linux system then it is fine but if you have installed it before and there is directory lampp in your /opt. You should rename it first.

# mv /opt/lampp /opt/lampp_old

Now download xampp installer from here.

A file xampp-linux-version-number-installer.run will be downloaded.

Suppose it is in directory Downloads.

Make the file executable.

# chmod a+x ~/Downloads/xampp-linux-version-number-installer.run

Now run the file.

# cd ~/Downloads
# ./xampp-linux-version-number-installer.run

It will open the wizard, now complete it to install xampp.

 

 

 

 

Now when you click on finish button, XAMPP's GUI interface will be appeared.

Now you can start/stop Apache & mysql using UI interface. Click on 'Manage servers' and you will be able to start/stop servers using buttons.

Open xampp in Browser

http://localhost/xampp

Open XAMPP control panel / GUI interface

Run following command in terminal

# cd /opt/lampp && sudo ./manager-linux.run

Centos - 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'"

Centos - 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'"

If you are trying to download packages using terminal and you are facing this error, try this solution.

Open file /etc/resolv.conf, add following line in the file and save it.
nameserver 8.8.8.8

8.8.8.8 is google's public DNS address.

Now restart networking and try to install packages again.

Install FTP on Linux : CentOS, RHEL, UBUNTU

vsftpd Configuration :

1) Install vsftpd using following command :

   If it is Debian based (Ubuntu) Linux

$ sudo apt-get install vsftpd

   If it is RPM based (CentOS, RHEL) Linux

$ sudo yum install vsftpd

2) Make three changes in vsftpd.conf

   (Location of vsftpd.conf - /etc/vsftpd.conf or /etc/vsftpd/vsftpd.conf)

a)Uncomment line chroot_local_user=YES in vsftpd.conf

   This attribute will make jail for user to not move to the parent directory.

b)Define attribute local_root in vsftpd.conf

local_root=/opt/lampp/htdocs

This is the path of the directory where user should be jailed. User can not go to the parent directory.In this example user will be logged in htdocs and can not reach to the parent directory of htdocs. 

c)Allow users to upload file, set

local_enable=YES
write_enable_YES

Now user can log-in to the server by ftp using username and password.

host : IP of the server
username : user of the server except root
password : password of the user

3) To create user for ftp : 

$ sudo adduser -c 'FTP USER ec2' -m ec2

   Where ec2 is the username for ftp. To set password for this user :

$ sudo passwd ec2

4) FTP works on port 21. you can close the port or stop the service using 

$ service vsftpd stop

   and open the port or start the service using

$ service vsftpd start

5) If you are using CentOS/RHEL servers, Add following line in your iptables file 

-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 21 -j ACCEPT

Path of iptables file :/etc/sysconfig/iptables

   Save and close the file & Restart the iptables. 

$ service iptables restart

6) To prevent anonymous log-in, Set anonymous_enable=NO

 In vsftpd.conf, if anonymous_enable=YES, There is no need to put username & password. If you put only hostname and try to log-in, you can log-in.
For security purpose, make sure you have set this attribute NO.

7) By default root user can not log-in by ftp but log-in through sftp.

8) When you make any changes in the file vsftpd.conf, make sure you have restarted the vsftpd.