Cloudera Manager agents and Hue require Python 3.8. You must install Python 3.8.12 or
higher on all cluster hosts before installing Cloudera Manager and adding services to your
cluster. Follow instructions in this topic to install the standard Python 3.8 binaries at a
standard location on Oracle UEK 8.8.
Install the Extra Packages for Enterprise Linux (EPEL) as
follows:dnf install epel-release
-
SSH into the host system as a root user.
-
Install Python 3.8 by running the follwing command:
dnf install python38 python38-devel
You can check the location at which Python 3.8 is installed by running the
following
commands:
whereis python3.8
Sample
output:
python3: /usr/bin/python3.8 /usr/bin/python3.8-config /usr/bin/python3.8-x86_64-config /usr/bin/python3 /usr/lib/python3.6 /usr/lib/python3.8 /usr/lib64/python3.6 /usr/lib64/python3.8 /usr/include/python3.6m /usr/include/python3.8 /usr/share/man/man1/python3.1.gz
Sample
output:
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-
Verify the Python version as follows:
Sample output:
Python 3.8.16
- Install the psycopg2-binary package
- Install the
psycopg2-binary
package after installing Python 3.8 for
using PostgreSQL as a backend database for Hue.