Active Directory / MASS UPDATE MAIL in accounts / POWERSHELL

all acounts:

Import-Module ActiveDirectory
Get-ADUser -Filter * -SearchBase 'OU=XYZ,DC=subdomain,DC=domain,DC=com' -prop mail | ForEach-Object {
Set-ADUser -Identity $_ -EmailAddress ($_.mail -replace "@old-mail-domain.com","@new-mail-domain.com") -Verbose
}

only enabled accounts:

Import-Module ActiveDirectory
Get-ADUser -Filter 'enabled -eq $true' -SearchBase 'OU=XYZ,DC=subdomain,DC=domain,DC=com' -prop mail | ForEach-Object {
Set-ADUser -Identity $_ -EmailAddress ($_.mail -replace "@old-mail-domain.com","@new-mail-domain.com") -Verbose
}

Code Signing Jarsigner JAVA

SHA-256 (from jdk 1.8)

bin>jarsigner -keystore NONE -certchain chain.pem -storetype PKCS11 -providerClass sun.security.pkcs11.SunPKCS11
-providerArg provider.cfg XYZ.jar “NAME FROM CERT” -digestalg SHA-256 -tsadigestalg SHA-256 -tsa http://tsaserver

SHA-1 (up to jdk 1.7)

bin>jarsigner -keystore NONE -certchain chain.pem -storetype PKCS11 -providerClass sun.security.pkcs11.SunPKCS11
-providerArg provider.cfg XYZ.jar “NAME FROM CERT” -tsa http://tsaserver

provider.cfg

name=Crypto3PKCS
library=C:\Windows\System32\crypto3PKCS.dll
slot=-1

Failed to start Raise network interfaces / RTNETLINK answers: File exists / Ubuntu

Jun 06 18:20:20 ubuntu systemd[1]: Starting Raise network interfaces…
Jun 06 18:20:20 ubuntu ifup[2982]: RTNETLINK answers: File exists
Jun 06 18:20:20 ubuntu ifup[2982]: Failed to bring up ens160.
Jun 06 18:20:20 ubuntu systemd[1]: networking.service: Main process exited, cod


check:
cat /var/run/network/ifstate.ens160

is it empty?

if yes:

resolution:
echo “ens160” > /var/run/network/ifstate.ens160

service networking restart -> no errors :)

Probably it was after upgrade’ing Ubuntu from 16 LTS to 18 LTS

D-Link DGS-3024 password reset

Press SHIFT+3

1. at Power On Self Test – will go to Flash procedure
2. at Booting Image OS – will go to load factory default configuration

vSphere Replication Appliance Solution user detail certificate is invalid

Solution user detail’ certificate is invalid – certificateException java.security.cert.CertificateExpiredException: NotAfter: Sat Aug 20 16:36:39 CEST 2022

Resolution: