todiadiyatmo · May 7, 2023 13:45
diff --git a/update_wsl_hostname.ps1 b/update_wsl_hostname.ps1
 $HostAddr = wsl.exe -e ip addr show eth0 | Select-String -Pattern '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}' | % { $_.Matches.Value }

 # using Env:WinDir just in case our Windows folder is not on C: drive
 $hostsFilePath = $Env:WinDir+'\system32\Drivers\etc\hosts'

 # Hostname(s) being added, space delimited
 $hostNames = "wsl.local"

 # Obviously special characters like spaces and periods need to be escaped
 $escapedHostNames = [Regex]::Escape($HostNames)

 # Remove old IP for the host name(s)
 (Get-Content $hostsFilePath) -notmatch ".*\s+$escapedHostNames.*" | Out-File $hostsFilePath

 # Add current IP for the host name(s). Padding is strictly for visual alignment and is not necessary
 Add-Content -Encoding UTF8 $hostsFilePath ("$HostAddr".PadRight(16, " ") + $hostNames)
	$HostAddr = wsl.exe -e ip addr show eth0 \| Select-String -Pattern '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}' \| % { $_.Matches.Value }

	# using Env:WinDir just in case our Windows folder is not on C: drive
	$hostsFilePath = $Env:WinDir+'\system32\Drivers\etc\hosts'

	# Hostname(s) being added, space delimited
	$hostNames = "wsl.local"

	# Obviously special characters like spaces and periods need to be escaped
	$escapedHostNames = [Regex]::Escape($HostNames)

	# Remove old IP for the host name(s)
	(Get-Content $hostsFilePath) -notmatch ".\s+$escapedHostNames." \| Out-File $hostsFilePath

	# Add current IP for the host name(s). Padding is strictly for visual alignment and is not necessary
	Add-Content -Encoding UTF8 $hostsFilePath ("$HostAddr".PadRight(16, " ") + $hostNames)