Rexxer

Some tips for me and other

WinSxS cleanup

Clean up: Dism.exe /online /cleanup-image /AnalyzeComponentStore Dism.exe /online /cleanup-image /StartComponentCleanup Health check and restore (if the commands above show errors): sfc /scannow Dism /Online /Cleanup-image /Scanhealth Dism /Online /Cleanup-Image /RestoreHealth

SSH-COPY-ID for Windows

type $env:USERPROFILE\.ssh\id_rsa.pub | ssh {IP-ADDRESS-OR-FQDN} “cat >> .ssh/authorized_keys”

Zabbix + DB tables review

Linux + Fast check directory size

du -hd1

Zabbix + Force Housekeeping

zabbix_server -c /etc/zabbix/zabbix_server.conf -R housekeeper_execute

Linux + Clear /boot partition

RDP + RDG + MFA + More time to login

DWORD registry key at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp called “LogonTimeout” and setting the decimal value to the number of seconds needed such as 60.

Powershell + Access to MS SQL

Powershell + CSS in the tables

Not all CSS style instructions work in Outlook. There some tricks to colorize tables: Zebra in the table $Body = $Body -replace ‘(?.)\r\n(?.)’,’${first}${second}’ Replace in the table started from 3 to red and less to green $Body = $Body -replace ‘(?[3-9][0-9]{1,})(?.)’,’${first}${second}’ -replace ‘(?[1-2][0-9]{1,})(?.)’,’${first}${second}’ Simple replace $Body = $Body -replace <td>1</td>,<td bgcolor=#333>1</td>

Exchange 2019 + renew the certificate

You cannot renew the certificate via WebGUI, Powershell only. We will use Godaddy and we have the existing certificate which we will renew. Get the renewed certificate from Godaddy. Run IIS management console on the first Exchange server. Go to Server certificates and click Complete certificate request. Choose the certificate from Godaddy. It will appear […]

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