Page Index - unix1998/technical_notes GitHub Wiki

319 page(s) in this GitHub Wiki:

• Home
• "explain" show sql execution procedure
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• a sample code and step by step upload to python PIP repo
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• a typical Nginx service file and a Nginx route yaml for Use in Open SHift
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• Airflow simple DAG example
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• Amazon Machine Images (AMIs) and Azure Compute Gallery (formerly Shared Image Gallery):
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• an approach to handle multi node elastic search
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• analysis a company's future value
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• ansible role and its directory structure
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• Ansible serial feature usage and example
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• ansible small example , one play book call 3 roles
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• Argo CD and helm is not designed for S2I , but it can leverage S2i with certain setting
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• ARgo CD and OpenShift , Kubernetes
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• Argo CD auto roll back manually changes or changes which are not committed through GitHub
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• Argo CD it self can not build Image , need ArgoCD updater or Jenkins, or other CI tool
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• Argo CD updater work with ARgo CD in Open shift and Kubernetes
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• ArgoCD deployment scenario
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• ArgoCD need work with Jenkins or other cicd tool
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• Automatic Instrumentation with Datadog APM
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• AWS control Tower set up
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• bash =, ‐ge,‐le or Numeric , string comparison
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• Bash, $@ and $*
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• Build mysql or postgresql use S2I
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• BuildConfig and S2I in Open Shift
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• closure.resolveStrategy = Closure.DELEGATE_FIRST descriptiom
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• ClusterIP NodeIP NodePort , in Open shift and Kubernets
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• comparison of Datadog, AppDynamics, and Dynatrace in terms of tracing, logging, and performance metrics.
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• ConfigMap linked to POD , deployment
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• configMap referenced by Multi deployment and POD
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• container switch in Open Shift
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• Cordon and Uncordon Nodes
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• create Kubernetes dash board port forwarding
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• create Open SHift new service accoutn use yaml file
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• Curl call API , flag "‐D" vs "‐d"
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• curl options description
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• Data source example in Terraform
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• Datadog trace function
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• Deploy elastic search to infrastructure node in Open Shift
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• DeploymentVSDeploymentConfig` in OPenShift
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• DevOPS VS SRE
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• eBPF , VS Solaris DTRACE
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• ebpf for Appdynamic , Dynatrace and datadog
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• eBPF Technology
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• Elastic old beat agents description
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• Elastic search cluster , quorum set up
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• Elastic search cluster , use External load balancer or internal self managed
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• Elastic search container VS no container
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• Elastic Search multi hosts setting
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• elastic search muti host config file : consistent and different
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• Elasticsearch's Query DSL and Rest API
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• [English symbols [ ( {](/unix1998/technical_notes/wiki/English-symbols-%5B-(-%7B--)
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• ephemeral and permanent POD in Jenkins and Open Shift
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• Example Helm Chart for Nginx
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• FFDC log in websphere
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• Four Golden Signals
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• General steps to shutdown a Open shift clutser
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• generators and the yield statement in Python
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• GitLab CI CD Features
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• google golab usage
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• Groovy DSL in Jenkins
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• hadoop 4 components
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• HashiCorp Vault's free tier : how do we use it with an example
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• helm , jenkins and argo CD example
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• Helm cover deployment to external exposing example
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• helm tiller does not existed since Helm 3
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• IBM J9 or Eclipse open J9 error file.
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• information captured in trace
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• instrumentation automatically setting of datadog Appdynamic and Dynatrace
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• Java heap analysis
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• java thread dump and ps ‐o ‐ef , figure out which thread consume the largest portion of cpu , mem etc
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• Jenkins Kubernetes Plugin , how create new pod
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• Jenkins Kubernetes Plugin Overview
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• jenkins master outside of Open Shift , use Kubernetes plugin
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• Jenkins Typical pipeline leverage Groovy closure
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• jenkins use dynamic agent wit Kubernetes plugin or oc helm command line
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• jvm hotspot hs_err_pid.log file
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• kafka fail‐over
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• kafka retention period setting
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• Kind list in new OpenSHift
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• Kubernetes and OpenShift, several key types of workload resources (deployments or applications)
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• Kubernetes Dashborad creating
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• Kubernetes deploy and description
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• Kubernetes deploy nginx example
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• Kubernetes ingress controller use nginx
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• Kubernetes Open Shift built‐in roles
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• Kubernetes plugin , additional description
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• Kustomize and overlay in Kubernetes Open SHift
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• ldap server Open shift setup by Chat GPT
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• ldap server setup by Gemini
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• Linux , Solaris scan Fiber channel storage , and get LUN ID
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• Linux VS Solaris boot processes
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• master‐config.yaml in Open Shift
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• MAT , and Native memory of JAVA
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• maven central library
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• maven Jboss plugin example
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• Most Common resource Name of AWS , azure can be used in Terrform TF file
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• mvn common commands
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• mvn repository setting in setting.xml and pom.xml
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• nginx use volume , PVC and PV in Open shift
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• non‐prescription options that may support your digestive system.
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• oc new‐app VS oc apply several YAML files .
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• OC use selector to handle applications
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• on‐premise and SaaS offering of Datadog , Dynatrace , Appdynamic , splunk
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• Open shift , automatically load balancer and fail‐over , Jenkins as a sample deployment
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• Open shift and Kubernetes admin
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• open shift backup etcc and velero
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• Open shift built‐in Image registry
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• Open shift deploy‐config.yaml with route ready : we need oc expose it
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• Open shift OC use S2I and use my self 's docker build steps
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• Open Shift PV and PVC
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• Open SHift RBAC role exampel YAML file
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• Open shift route and Ingress
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• Open shift Route ingress and underlying cloud load balancer
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• open shift service account
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• OPen Shift template YAML file usage and example
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• Open shift use ingress and route
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• OPen shitf PV PVC to mount to multi‐replica deployment
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• open telemetry trace setting , automation and manually change a bit code
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• Openshift , CRI‐o , Crun and runc
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• OpenSHift CNI , route and Ingress
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• OpenSHift Kubernetes ; Taint and Tolerations
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• Port forwarding VS route in Open shift
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• postgresql deployment to OpehSHift cluster example
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• ps v jvm_id to check memory usage
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• Public intellectuals in USA
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• PV and PVC in OpenSHift
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• Python @staticmethod and normal method
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• Python *args & **kwargs
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• Python SPark example
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• Redhat linux kernel download binary ready kernel steps
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• ReplicaSet in Open shift
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• Rest API test sites
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• Selinux and Normal Linux
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• SerDes algorithm in .git folder , after I run git clone
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• Service Accounts in OpenShift
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• ServiceNow risk analysis
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• ServiceNow ticket type
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• simulate database‐style features like transactions and commits by implementing a transaction mechanism within your InMemoryDatabase class
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• SRE principles
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• STatefulSet Typical applications list
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• Steps to Forward Logs Using Fluentd in Open Shift
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• storage class , PV and PVC in Open shift
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• TCP 3‐way handshake VS ssl tls handshakes
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• Technical Node of DevOps SRE
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• Terraform module
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• terraform provisioner local_exec , variable input example
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• Terraform SRE build
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• terraformer to generate terraform file from existing azure infrastructure
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• terrform modules dry run use "local_exec" , has dev and qa module
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• test speaker in windows 11 home laptop
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• The procedure of GITOPS methodology : update a Nginx config file ,leverage Open Shift ConfigMap
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• the work anecdote
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• TICK observability Platform
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• TLS Termination Types in OpenShift
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• to remove a deployment and check associated components
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• Typical Trace Information of an Observability platform
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• Unix bash string comparison and numeric comparison
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• Unix Globbing and noclobber
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• Use ECR (aws container registry ) as S2I registry
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• What is a Module in Terraform?
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