For a Sprint Burndown Chart, the x-axis is usually the days inside the sprint. Sprint burndown Axis Meaning X-axis Days of the sprint Y-axis Remaining work Example: Day Remaining work Day 1 100 points Day 2 85 points Day 3 70 points Day 4 50 points Day 5 25 points Day 6 0 points So …
Category: Root
Jun 28
Understanding Host-Only Networking in Oracle VirtualBox: Concepts, Tools, IP Addressing, DHCP, and Practical Options
Ref: Oracle VirtualBox User Guide: VirtualBox supports configurable virtual network cards per VM, host-only networking connects VMs with each other and the host while keeping them away from the outside network, and VirtualBox includes a DHCP server for host-only/internal networks. (VirtualBox) (VirtualBox) Introduction Oracle VirtualBox provides several networking modes for virtual machines. Each mode answers …
Jun 28
Why a DHCP server join the Active Directory
Authorizing a DHCP server in Active Directory means: “This DHCP server is approved by the domain to give IP addresses to clients.” In a Windows AD domain, a domain-joined DHCP server must be authorized before it can start leasing IP addresses. Microsoft’s Add-DhcpServerInDC cmdlet adds the DHCP server to the list of authorized DHCP servers …
Jun 28
How to Install DHCP role
Ref: AI Tools, ChatGPT : As is To install the DHCP Server role on Windows Server 2019, use Windows PowerShell as Administrator on the server VM, not the client VM. 1. Open PowerShell as Administrator On the Windows Server VM: 2. Check whether DHCP is already installed If it is not installed, you may see: …
Jun 28
Power Shell: DHCP Server and Client
Authorize DHCP server in Active Directory if domain joined. The lab includes this wording: Authorize the DHCP server so it can lease addresses in an AD domain environment.If your lab is not domain joined, document that authorization was not applicable and continue only if instructed. The commands included are: the server listed as an authorized …
Jun 28
How to? Disable VirtualBox DHCP for host-only network
Ref: AI Tools, ChatGPT, Similar “Disable VirtualBox DHCP for host-only network” means: Why this matters In your DHCP lab, students are installing and configuring DHCP Server on Windows Server 2019. But VirtualBox host-only networks can also have their own DHCP server. If VirtualBox DHCP is enabled, then the client VM may get an IP address …
Jun 27
DHCP: Powershell Commands
Commands that work in Windows PowerShell 5.1 These DHCP/networking commands are intended for Windows Server PowerShell: Install-WindowsFeature DHCPInstall-WindowsFeature DHCP -IncludeManagementToolsImport-Module DHCPServerAdd-DhcpServerv4ScopeSet-DhcpServerv4OptionValueGet-DhcpServerv4ScopeGet-DhcpServerv4LeaseGet-DhcpServerInDCAdd-DhcpServerInDCRestart-Service DHCPServerGet-Service DHCPServer Related: Get-NetAdapterGet-NetIPAddressNew-NetIPAddressSet-DnsClientServerAddressGet-DnsClientServerAddressipconfig /all
Jun 27
CmdletBinding
Ref: AI Tools/ChatGPT [CmdletBinding()] turns a normal PowerShell function into an advanced function. That means the function behaves more like a real PowerShell cmdlet. Basic example Normal function: Advanced function: What [CmdletBinding()] does It gives your function cmdlet-style behavior, such as: Feature Meaning Common parameters Allows parameters like -Verbose, -Debug, -ErrorAction Better parameter handling Works …
Jun 07
If windows auto-configured IP was difficult to remove
Your screenshot confirms: So Windows is still rejecting 192.168.55.20. Use a different member-server IP, such as: Run these on MEM01/member VM as Administrator. 1. Remove the bad duplicate IP 2. Restart the adapter 3. Assign a new IP Do not add a default gateway for host-only network. 4. Set DNS to the Domain Controller 5. …
Jun 07
Check if DNS is working
On the Domain Controller DNS should be installed and running: Get-WindowsFeature DNS Check DNS service: Get-Service DNS Check DNS zones: Get-DnsServerZone The DC should usually point DNS to itself: Set-DnsClientServerAddress -InterfaceAlias “Ethernet” -ServerAddresses 127.0.0.1 or sometimes to its own IP: Set-DnsClientServerAddress -InterfaceAlias “Ethernet” -ServerAddresses 192.168.56.10 On the Windows client The client DNS must point to …
