Php7.4 Startup: Unable to load dynamic library zip.so
When upgrading php from 7.2 to 7.4 in centos 8, then restart php-fpm service, an error message below occoured. Check…
OpenShift Code Ready Containers Guide
Openshift code ready container(crc) is a lightweight openshfit environment for developers, it can be installed on a single standalone vm…
Add Custom DNS Server/Entry in Openshift crc environment
If you have a private registry in your lab environment, and to add this registry to openshift crc environment, for…
Convert Json To Yaml In Java
In java, to convert json string or json object to yaml string, you can use jackson to do this in…
JS/TS Convert unix timestamp to Time String
To Convert a unix timestamp to humman readable string, use new Date() with parameter * 1000, convert unix timestamp to…
Install ImageMagick and PHP Imagick on CentOS 8 / RHEL 8
Install ImageMagick and php-ImageMagick on centos8 install ImageMagick Install php and php-pear, compile tools Now, install PHP Imagick with pecl command. Add…
Install php7.4 on Centos8/Oracle Linux 8
Install epel-release check all available PHP versions using the following command: The default PHP version is set to PHP 7.2.…
Macos ITerm2 SSH Session Keepalive
In Macos, Item2 do not have a builtin ssh keepalive configuration, to config ssh keepalive, setup ssh config for current…
Centos Close Systemd Port 111
In Centos/RHEL, systemd listens on port 111 which is used by rpcbind service, for security reason, close it or disable…
Tcpdump Container Network Traffic
Get pod host IP and container ID SSH to host where pod is running. Get container interface id On the…
OVS调试排查指南
一、查看网卡状态：n…
Mysql 8 CheatSheet
Database Operation Table Operation User Operation Backup/Restore
Mysql 8.0 Allow Root Remote Login
When setting up mysql with mysql_secure_installation, Disallow root login remotely set to no, but login with root user from remote…
Angular Application Witch Ace Editor Error
In HyperKuber Web Project which is using angular 13 with ace editor for yaml/json display, an error occured in browser…
ShaunOS Open Sourced
Havent updated this site for a long time. this is a normal update. I have decided to opensource shaunos which…
openshift origin multi-master manually deployment part-5
8,deply route and docker registry service. deploy a router, running on three master nodes oadm policy add-scc-to-user hostnetwork -z router…
openshift origin multi-master manually deployment part-4
7, setup node service, we install node service on all nodes, including master nodes. yum install -y centos-release-openshift-origin yum install…
openshift origin multi-master manually deployment part-3
6, install and cofigure etcd cluster, on all master nodes yum install -y etcd configure etcd, comment out all default…
openshift origin multi-master manually deployment part-2
5, install origin master service, on all master yum install -y centos-release-openshift-origin yum install -y origin-master bash-completion create origin-master-api systemd…
openshift origin multi-master manually deployment part-1
i have deployed an openshift origin muliti-master cluster successfully on centos and suse enterprise server. Since the deployment is done…
Happy New Year
The Chinese new year is coming soon！In the year of rooster，I wish you all be rich and live a life…
Rabbitmq Server cluster docker images for openshift origin platform
Build rabbitmq cluster docker images for openshift origin platform. Down load docker file tarball rabbitmq.tar, and cd rabbitmq, run docker…
Openshift origin multi-node installation guide
in this tutorial, i will describe how to deploy an openshift multi-node cluster manually. before we start, let’s clarify some basic…
Adjust total file descriptors of rabbitmq
The total file descriptors number of rabbitmq is 1024 by default. This value is not big enough obviously when your…