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This is the best home DNS server I've seen. checkout https://pi-hole.net/ https://github.com/pi-hole/pi-hole/#one-step-automated-install

How to convert time stamp in Power BI 🔀 If you have the problem to get a date and time from  a database that is in Unix time stamp, the better way to use this data is convert in the PowerBI query editor.

You get a error when you try to mount exchange data base. Or event view ID 6 Exchange 2010 Error to mount a data base in exchange after a crash server or bad restart, there a 4 steps to resolve this usual problem. Remember after you get your base restored create another data store migrate all user for the new one.

Force to send all e-mail with the same email address. accepted This is how to really do it in postfix. This config changes sender addresses from both local originated, and relayed SMTP mail traffic: /etc/postfix/main.cf: sender_canonical_classes = envelope_sender, header_sender sender_canonical_maps = regexp:/etc/postfix/sender_canonical_maps smtp_header_checks = regexp:/etc/postfix/header_check Rewrite envelope address from email originating from the server itself /etc/postfix/sender_canonical_maps: /.+/ newsender@address.com Rewrite from address in SMTP relayed e-mail /etc/postfix/header_check: /From:.*/ REPLACE From: newsender@address.com

How to clean clean exchange LOG file run this script Save as clearlog.ps1 Run as admin

AWS codedeploy The overall deployment failed because too many individual instances failed deployment, too few healthy instances are available for deployment, or some instances in your deployment group are experiencing problems. The solution: 1) check the service log sudo tail -f /var/log/aws/codedeploy-agent/codedeploy-agent.log I found this in my log  Signature not yet current: 2) Check the machine services  sudo service codedeploy-agent status 3) check the machine time sudo service ntp status 4) Update the codedeploy sudo /opt/codedeploy-agent/bin/install auto 5) sudo apt install chrony 6) add in /etc/chrony/chrony.conf the  server 169.254.169.123 prefer iburst 7) sudo /etc/ init .d/chrony restart 8) sudo chronyc -a makestep 9)check the service chronyc sources -v and chronyc tracking Make a deploy and check the log.

Como listar todas as entradas de um dominio. A Maneira mais facil é o comando host host -a dominio.com Exemplo  host -a google.com Trying "google.com" Trying "google.com" ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24361 ;; flags: qr rd ra; QUERY: 1, ANSWER: 16, AUTHORITY: 0, ADDITIONAL: 8 ;; QUESTION SECTION: ;google.com.                    IN      ANY ;; ANSWER SECTION: google.com.             186     IN      A       172.217.17.142 google.com.             21599   IN      NS      ns4.google.com. google.com.             21599   IN      NS      ns3.google.com. google.com.             21599   IN  ...