How to renew Rancher certificates when expiredI installed a rancher server to manage my own kubernestes cluster one year ago. I used Default Rancher-generated Self-signed Certificate…Apr 22, 2021Apr 22, 2021
Running Redis TLS with Docker-composeAs you know, SSL/TLS is supported by Redis starting with version 6 as an optional feature (https://redis.io/topics/encryption).Mar 1, 20211Mar 1, 20211
Prometheus Alertmanager send alerts to admin via TelegramCrerate TelegrambotFeb 24, 20217Feb 24, 20217
How to change docker root data directoryThe standard data directory used for docker is /var/lib/docker, and since this directory will store all your images, volumes, etc. it can…Oct 6, 20208Oct 6, 20208
Authentication and authorization in Gin application with JWT and CasbinIntroductionSep 29, 20201Sep 29, 20201
Unit test for Gorm application with go-sqlmockUNIT TESTING is a type of software testing where individual units or components of a software are tested. The purpose is to validate that…Sep 10, 20201Sep 10, 20201
Change data capture: Install Debezium on K8sCreate a namespace for the resources we’re going to create:Jun 17, 2020Jun 17, 2020
Integrating RADOS Gateway with OpenStack Keystone on CentOS 7It is possible to integrate the Ceph Object Gateway with Keystone, the OpenStack identity service. This sets up the gateway to accept…Jan 22, 20201Jan 22, 20201
Resolved: br0: received packet on XX with own address as source addressIn recently, i collocated Openstack and K8s in same servers. Alter that, my bridge interface can’t access to my private network and…Nov 26, 2019Nov 26, 2019
Fix nova-scheduler issue with RBD and UUID not foundWhile playing with Ceph on Openstack I noticed that after several rebuild I ended up with the following error from nova-scheduler:Nov 5, 2019Nov 5, 2019
Intergrate Ceph RBD with K8 (Rancher) on Centos 7Introduction Persistent Volume and Persistent Volume ClaimOct 22, 20191Oct 22, 20191
namespace stuck at “Terminating” state in Rancher1. Run the following command to view the namespaces that are stuck in the Terminating state:Sep 18, 20191Sep 18, 20191
Run pure Python Program In NifiI have a face recognition project which use Kafka, Tensorflow, OpenCV. With limitation of Nifi Processor, i can't run pure Python script…Aug 8, 2019Aug 8, 2019
Reading data from CephFS by Hadoop ClientIn this article, i will demonstrate how to read data from CephFS via s3a interface.Jul 24, 2019Jul 24, 2019
Cấu hình Nested VMX trong CentOS7 để chạy máy ảo trong máy ảoKhi sử dụng các công nghệ ảo hóa như KVM thì một trong số các tính năng nâng cao của nó là khả năng khỗ trợ Nested KVM để cho phép chạy…Jul 23, 2019Jul 23, 2019
How Indexes Work In Ceph Rados GatewayThe Ceph Rados Gateway lets you access Ceph via the Swift and S3 APIs. It translates those APIs into librados requests. Librados is a…Jan 29, 2016Jan 29, 2016