AWS Quick Notes
0. Identity Access Management - IAM is AWS service to centrally manage login credentials: users,…
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Linux Cheat Sheet
Below is a quick reference to the most useful commands and techniques for a Linux…
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Step by Step Kubernetes Application Hosting: Persistent Storage, Pod Creation, Deployment Plan, Service Clustering, and Ingress Routing
Overview Update: we have a new article which goes directly into a production-style setup of…
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HPe Nimble Storage & Microsoft Failover Cluster with Fileserver Roles
Overview: Microsoft Fail-over Clustering is often deployed in conjunction with SAN storage. In this scenario,…
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Cisco Fabric Switch – MDS Zoning Template
<# What this script does: 1. Checks to see if an Internet connection via PowerShell…
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Cisco VSAN: MDS Zoning Configuration for ESXi Host – Step by Step
Step 1: gather information A. VSAN Nodes Each site shall have two sets of MDS…
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Configuring Virtual Storage Area Networks (VSANs)
NX-OS Overview Source: Storage Area Network (SAN) has been around for ages. During the early…
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Fiddler: A HTTPS Debugging Tool
An application support specialist would find this tool useful to intercept HTTPS traffic on a…
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Linux: How to Convert HEIC to JPEG
First, install certain utilities: sudo apt-get install libheif-examples Second, navigate to a directory where there…
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Long Boot Time Caused by “Scanning for BTRFS file system”
More info about swap files: here Step 1: turn off quiet boot to observe the…
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How To Link Containers Using Docker Compose
This yields several advantages:1. Direct linking between containers is architectually efficient to direct traffic between…
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Linux: how to bypass login keyring prompts
Error Message: Something along the line of 'keyring default keyring but it is locked' Resolution:…
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Linux: how to make automounts persistent
# Step 1: discover the device using its current mount path mountPath=/media/kim/Data findmnt | grep…
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How to Install Brother Printer on a Linux machine (Debian, Ubuntu, Mint)
Below is an example of the installation sequence using a known driver URL: $ wget…
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PowerShell: Set Auto Logon
Instead of running the GUI method (netplwiz), there's a more efficient way to set auto…
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PowerShell: Maintain Windows Services Remotely via WinRM
# maintainServices.ps1 # FQDN of each computer name (required) $computerList=@' testWindows.intranet.kimconnect.com testWindows.dmz.dragoncoin.com '@ $serviceNames=@( 'windows_exporter',…
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PowerShell: Kill a Windows Service Forcefully
# killService.ps1 $serviceName='vmms' function killService($serviceName='Spooler',$restart=$false){ $processId=Get-WmiObject -Class Win32_Service -Filter "Name LIKE '$serviceName'"|Select-Object -ExpandProperty ProcessId if($processId.count…
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How to Install PowerShell Module on An Offlined Computer
# Download the desired module onto a 'jump host' (an intermediary computer that has access…
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PowerShell: Uninstall Program Using Its Name
# uninstallProgramUsingId.ps1 $appName='Virtual Machine Manager Agent' $uninstallStringRegPaths='HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall','HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall' $uninstallStrings=Get-ChildItem -Path $uninstallStringRegPaths $uninstallString=($uninstallStrings|Get-ItemProperty|Where-Object {$_.DisplayName -match $appName}).UninstallString if($uninstallString.count…
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PowerShell: Get Connected Port by Process Name
# getProcessConnectionPort.ps1 $computerlist=@' SQL1 SQL2 '@ $computernames=@($computerList -split "`n")|%{$_.Trim()} $processname='sqlservr' $state='Established' $results=@() foreach ($computername in…
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PowerShell: Quickly Test Connectivity from a List of Sources toward a Destination on a Specific Port
# testRemotePort.ps1 $connectFrom=@' windows1 windows2 '@ $connectTo=@' \\servername\sharename '@ $testPort=445 $sources=@($connectFrom -split "`n")|%{$_.Trim()} $destinations=@($connectTo -split…
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How To Recover SQLSERVER Service from Being Unable to Start
# startSqlService.ps1 # special provision to deal with SQL Server not starting up due to…
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PowerShell: How to Change Guest VM Names in Virtual Machine Manager
# changeGuessVmNameInVmm.ps1 # The following script prepend all VM's matching certain pattern # This is…
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Resume All Guest VMs in a Clustered Hyper-V Environment
# resumeAllVms.ps1 # Significance: this script is useful in a Clustered Hyper-V environment # where…
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PowerShell: Command to Retrieve Windows Applications List
The following the the PoSH equivalent of appwiz.cpl in Windows: PS> invoke-command TestWindows {Get-Package -Provider…
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