Harbor Architecture Explained
Harbor : Harbor is an open source trusted cloud native registry project that stores, signs, and scans content. The mission is to provide Cloud Native […]
Month: October 2020
Openstack commands not working from undercloud as well as overcloud due to endpoint missing
Error : Client exception error while execution any openstack commands, #nova list Service Unavailable: The server is currently unavailable. Please try again at a later […]
Openstack command not working from undercloud as well as overcloud due to maxconn on haproxy
Error : Openstack commands are not working. Sometime, error visible like below and sometime, it get hang completely. [[email protected] (overcloudrc) ~]$ nova list ERROR […]
Linux Crontab
Crontab: Which run periodically as per the definition. (example scheduler’s run certain task as per instructions which is set to it. or Configuration file that […]
How to Create Linux VM using Google Cloud and access using putty from local machine
7. Here, i selected the “Debian Linux ” . Can change the OS with the option “Change“ iii. SSH key generating process. […]
Python Data types explained for beginners
Available datatypes in python : Numeric : int, float, complex Text : str Sequence […]
Python Variable explained for beginners
Variables are used to store the data values To print a number or string, >>> x = 9 >>> y = “Hello python, How […]
Python Indentation explained for beginners
Indentation is a space which need to provide right place with enough space for every line. otherwise, will face an error while executing the program. […]
Failed to connect socket to /var/run/libvirt/virtlogd-sock
Issue: ==== error : virDBusGetSystemBus:109 : internal error: Unable to get DBus system bus connection: Failed t… or directory warning : networkStateInitialize:787 : DBus not […]
kubernetes nodes explained
The nodes are either a virtual machine or physical machine in the Cluster but every Cluster, multiple nodes will running on it. Node is […]