wagnerjer - wiki

cannot_run_sudo_apt_update_through_proxy

Anonymous (anonymous@undisclosed.example.com) — 2024-09-17T09:56:18+00:00

When running command sudo apt update and using a proxy configured on the Linux machine, you receive a timeout error Create a new empty file to configure apt In this new file insert the following: If you do not have any authentication on the proxy type following:

certificates

Anonymous (anonymous@undisclosed.example.com) — 2025-10-23T09:47:57+00:00

* Create a CSR using openSSH * Submit the CSR to your CA * Create a pfx file that includes your CRT and private KEY file

change_scsi_controlle_to_paravirtual_to_existing_os

Anonymous (anonymous@undisclosed.example.com) — 2024-11-07T09:07:17+00:00

To change SCSI controller to Paravirtual on an existing Windows machine * Add first a new SCSI controller VMware Paravirtual * Create a new disk of 1Gb and assign it to the Newly created SCSI controller * Validate and initialize the disk in Windows, this will pre-install the driver for the controller

check_all_alarm_that_have_email_notification_enabled_eon_vcenter

Anonymous (anonymous@undisclosed.example.com) — 2024-09-13T12:58:14+00:00

Use this PowerCLI script to list all alerts that have email notification enabled

check_for_any_missing_restore_point_in_chain

Anonymous (anonymous@undisclosed.example.com) — 2026-04-08T13:06:29+00:00

* Open Veeam Backup and Replication * In the Home Tab, under Backups select Disk * Right click the Backup you want to check and select properties * In the popup window that opens, select the VM name and check at the backup chain * Right click the missing restore point and select Forget or Remove from disk depending on what you want

cleanup_diag_folder

Anonymous (anonymous@undisclosed.example.com) — 2024-07-23T10:15:35+00:00

To cleanup some space on your disk with old incidents in the Oracle\diag folder do the following * Open Command Prompt as administrator * Check that the ORACLE_HOME variable is defined and that the PATH variable contains %ORACLE_HOME%\perl\bin

cleanup_sqlpatch_folder

Anonymous (anonymous@undisclosed.example.com) — 2025-09-23T09:01:21+00:00

In order to facilitate Out of Place Patching, Datapatch stores all previously applied Patch Content in the form of BLOB Objects in the Table - registry$sqlpatch_ru_info. The BLOB Object is called into action in case of Out of Place Patching OR Patch Rollback Scenarios. So, This makes the $ORACLE_HOME/sqlpatch/ Location mostly redundant or Non-Useful,as the same content is now stored inside the DB in SQL registry table registry$sqlpatch_ru_info. However, Before any action can …

connect_to_exchange_online_using_powershell

Anonymous (anonymous@undisclosed.example.com) — 2024-05-16T10:22:41+00:00

Check if Module is installed: If no result returned, install module: Connect to Exchange Online:

create_a_csr_using_openssh

Anonymous (anonymous@undisclosed.example.com) — 2025-10-21T12:54:18+00:00

- Install OpenSSH for Windows or use linux with openSSH - Create a configuration file with the following information: [req] default_bits = 2048 prompt = no default_md = sha256 req_extensions = req_ext distinguished_name = dn

create_a_pfx_file_that_includes_your_crt_and_private_key_file

Anonymous (anonymous@undisclosed.example.com) — 2025-10-23T09:49:54+00:00

To create a PFX certificate that contains your private key, use the following command

create_a_valid_certificate_for_website_using_windows_ca

Anonymous (anonymous@undisclosed.example.com) — 2025-05-27T14:05:49+00:00

Install openssl on a computer and make sure it's included in system variable's path Create INI file (yourfile.ini) with following details : [ req ] default_bits=2048 prompt=no default_md=sha256 distinguished_name=dn req_extensions=req_ext [ dn ] C=LU ST=Luxembourg L=Luxembourg O=YourCompany CN=yourserver.yourcompany.local [ req_ext ] subjectAltName=@alt_names [ alt_names ] DNS.1=yourserver.yourcompany.com DNS.2=www.yourserver.com

dokuwiki

Anonymous (anonymous@undisclosed.example.com) — 2024-01-04T10:33:09+00:00

DokuWiki wiki:dokuwiki DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database. It is loved by users for its clean and readable syntax. The ease of maintenance, backup and integration makes it an administrator's favorite. Built in

extend_disk_when_there_s_a_recovery_partition_blocking

Anonymous (anonymous@undisclosed.example.com) — 2024-11-07T09:34:16+00:00

If you wish to extent your disk but have a recovery partition at the end of existing disk, you will be unable to extend your disk to extended part Run CMD as administrator and type: diskpart Run list disk to have list of all available disks Run the

extract_all_distribution_lists_with_all_users

Anonymous (anonymous@undisclosed.example.com) — 2024-05-16T11:23:54+00:00

find_source_of_locked_out_account

Anonymous (anonymous@undisclosed.example.com) — 2024-01-26T13:07:24+00:00

To find the source of account locked out use the following powershell script: Note: You must have the activedirectory module available or run it directly from Domain Controller.

fix_trust_relationship_without_domain_rejoin

Anonymous (anonymous@undisclosed.example.com) — 2024-03-06T09:18:28+00:00

Logon to the computer with local admin account and run Powershell as administrator then type the following:

force_update_of_office_installation_without_connecting_to_an_account

Anonymous (anonymous@undisclosed.example.com) — 2025-05-15T13:21:45+00:00

Open command prompt as an administrator and run the following:

horizon_cleanup_orphaned_replicas_vm

Anonymous (anonymous@undisclosed.example.com) — 2025-08-12T12:31:21+00:00

On the Horizon server open cmd as administrator and navigate to Horizon folder Run the iccleanup tool with following parameters: Enter password of user administrator@vsphere.local List all replicas chain to see if any are unused Use then the delete command to delete these

how_to_cleanup_old_updates

Anonymous (anonymous@undisclosed.example.com) — 2024-10-15T11:48:23+00:00

Old patches are stored in %ORACLE_HOME%\.patch_store - Run CMD.exe as administrator - Make sure that the %ORACLE_HOME% variable is defined using following command: - When not defined (as above), use following command to define it: - Make sure that the %PATH% variable contains %ORACLE_HOME%\perl\bin using following command:

ibm

Anonymous (anonymous@undisclosed.example.com) — 2024-09-16T09:03:52+00:00

* FlashSystem Update fails because some older upgrade files are present and have not been cleaned up

install_teams_on_windows_ltsc

Anonymous (anonymous@undisclosed.example.com) — 2025-04-29T12:03:01+00:00

To install Teams on Windows 10 LTSC, you'll need first to allow the trusted apps to be executed - Install the WebView2 Runtime or (or Edge which contains WebView2) Allow MSIX sideloading: Download the MSIX package from Microsoft: Run the following command to deploy the package:

install_update_using_dism_when_automatic_install_fails

Anonymous (anonymous@undisclosed.example.com) — 2024-01-05T16:15:55+00:00

- Downoad the update from Microsoft update catalog - Run CMD.exe as administrator - Extract the update using following command: - Install the update using the following command: - You should then receive following message: - Enter Y to restart the computer

kms_commands

Anonymous (anonymous@undisclosed.example.com) — 2024-01-19T13:04:58+00:00

Windows client: slmgr /act >> Will activate the license against KMS slmgr /rearm >> will reinitialize CMID but will also remove current count on KMS (useful for VDI to count all activation) Windows server: slmgr /dli >> Display the current license information with activation status and partial product key.

linux

Anonymous (anonymous@undisclosed.example.com) — 2024-09-17T09:52:55+00:00

* Cannot run sudo apt update through proxy

lost_datastore_after_esxi_reboot

Anonymous (anonymous@undisclosed.example.com) — 2025-07-21T11:32:01+00:00

If a datastore is not visible anymore after reboot check the following: First check that the device is still present and connected to the ESXi: If you can still see the device but not the volume check if volume is present but unmounted: If you can see volume in the snapshot list then you can use the following to mount it:

m365

Anonymous (anonymous@undisclosed.example.com) — 2025-05-15T13:21:08+00:00

* Connect to Exchange Online using PowerShell * Extract all Distribution lists with all users * Force update of Office installation without connecting to an account

manual_update_of_esxi_with_custom_image_is_failing

Anonymous (anonymous@undisclosed.example.com) — 2025-11-17T11:23:39+00:00

Manual update of ESXi using a custom image is failing with following error: You need to specify the profile that you want to usin within the zip file: Run then the following:

misc

Anonymous (anonymous@undisclosed.example.com) — 2025-09-24T08:56:43+00:00

Microsoft Activation Script [Ping Castle] Fix error 0x800f0922 windows update [[ [SQL collation change]

oracle

Anonymous (anonymous@undisclosed.example.com) — 2025-09-23T08:59:51+00:00

* How to cleanup old updates * Update Oracle Database on Windows Server * Update Oracle OPatch version on Windows Server * Cleanup diag folder * Cleanup sqlpatch folder

powercli_script_to_check_cpu_utilization_per_vm_and_change_required

Anonymous (anonymous@undisclosed.example.com) — 2025-12-04T14:19:53+00:00

Here is a script to analyze CPU usage over a certain period and recommend if you need to increase or decrease vCPU Checked information: - Current vCPU - Average Usage % - P95 usage %(captures sustained high load without being overly influenced by single spikes)

powercli_script_to_get_all_snapshots

Anonymous (anonymous@undisclosed.example.com) — 2025-08-27T09:23:23+00:00

This script will query the Vcenter to get all active snapshots in a CSV file on your desktop Make sure you have the PowerCLI modules installed first Run then the following to export list of snapshots If you want to filter the results and exclude some VMs (for example replicas of Horizon VDI)

remove_sophos_agent_without_tamper_password

Anonymous (anonymous@undisclosed.example.com) — 2024-01-25T09:38:12+00:00

* Go in settings , Windows Update, Advanced Options, Recovery and In the Advanced startup part click Restart Now * While in the advanced startup options, select Troubleshoot, Advanced options and then, Command Prompt * If required, select Administrative account and enter password

reset_windows_update_and_cleanup

Anonymous (anonymous@undisclosed.example.com) — 2024-01-19T09:36:28+00:00

This script is used to reset the windows update on your computer This can be used when an update is stuck and cannot install\\ It will present as follow: Script:

retrieve_san_disk_uuid

Anonymous (anonymous@undisclosed.example.com) — 2024-11-20T07:43:40+00:00

Open powershell and type the following: Now go in the Windows Disk Manager and look for properties of disks Device ID to match the Target and LUN ID

run_dism_restorehealth_against_iso_dvd

Anonymous (anonymous@undisclosed.example.com) — 2024-05-30T09:10:00+00:00

If the DISM /restorehealth command is failing You can try running the command against mounted ISO or DVD Look first for the installed version on your computer with following command: Once done, check on your DVD the corresponding version: Run then the DISM command using following parameter:

server_2022_cannot_access_insecure_shares

Anonymous (anonymous@undisclosed.example.com) — 2024-03-05T09:55:53+00:00

After upgrading to Windows Server 2022, you cannot access insecure shares Add the following Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters AllowInsecureGuestAuth DWORD Value 1 Add it through PowerShell:

service-control

Anonymous (anonymous@undisclosed.example.com) — 2024-08-19T08:57:00+00:00

To start, stop, restart or check status of service on VCSA, use the following command: Check status of services: Start specific service: Start all services: Stop specific service: Stop all services: Restart all services:

services_not_starting_because_of_certificate_expired

Anonymous (anonymous@undisclosed.example.com) — 2024-08-19T09:12:03+00:00

If ertificate of Vcenter is expired, services are not starting and you cannot access your VCenter Connect to your Vcenter using SSH and verify status of certificates Check all certificates and see if some are expired If you have expired certificates, use the certificate manager utility to automatically renew your certificates

sophos

Anonymous (anonymous@undisclosed.example.com) — 2024-01-25T09:03:21+00:00

* Remove Sophos Agent without tamper password

submit_the_csr_to_your_ca

Anonymous (anonymous@undisclosed.example.com) — 2025-10-21T12:56:14+00:00

- Copy the CSR to your CA, open CMD and navigate to the folder where your csr is and type the following: This will create the file server.crt to be used with the previously generated key

syntax

Anonymous (anonymous@undisclosed.example.com) — 2024-02-26T10:13:24+00:00

Formatting Syntax DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing

trust_vcenter_server_self_signed_certificate_in_chrome_edge

Anonymous (anonymous@undisclosed.example.com) — 2024-09-17T14:06:04+00:00

Connect to your vcenter server and click on the Warning message to display certificate Select Export and export the certificate as PKCS#7 certificate chaine Open then URL: Save the file and extract the win folder Import all certs that are found in that folder in the Trusted Root Certification Authorities folder

update_fails_because_some_older_upgrade_files_are_present_and_have_not_been_cleaned_up

Anonymous (anonymous@undisclosed.example.com) — 2024-08-28T13:45:59+00:00

When connecting to the page go to the active node then Update manually On the right click on Chose a file from the system There you can find multiple old files These file will prevent the new upgrade files to work properly Connect to the Storewize using SSH and type following:

update_oracle_database_on_windows_server

Anonymous (anonymous@undisclosed.example.com) — 2025-05-06T08:22:19+00:00

* Download the required patches to perform update Latest versions can be found on the following page Windows Bundle Patch - R19x Database Release Update Revision, column "Included in Windows Bundle" OJVM - R19x OJVM Release Update Note: Windows patches release date might be delayed of other patches. You can find real release dates on the following link:

update_oracle_opatch_version_on_windows_server

Anonymous (anonymous@undisclosed.example.com) — 2024-02-01T08:55:40+00:00

Go to oracle support on the following page to have details about latest OPatch version: Oracle support Select correct version and go to download: * Open the Oracle folder (e.g.: C:\oracle\product\19.x.x\Database) * Rename the actual Opatch folder to OPatch.bkp.date

update_password_for_sharepoint_account

Anonymous (anonymous@undisclosed.example.com) — 2024-03-06T11:07:01+00:00

After updating the password of user running the Sharepoint applications, you might encounter Error 500 while browsing the sharepoint You need to update the password on the Sharepoint server in the following places: * Application pools: Select each of the Application Pools And edit the Advanced Settings to update the account that is used and type new password. Once done, recycle the application pool

veeam

Anonymous (anonymous@undisclosed.example.com) — 2024-02-26T10:20:53+00:00

* Check for any missing restore point in chain

vmware

Anonymous (anonymous@undisclosed.example.com) — 2025-12-04T14:10:30+00:00

* PowerCLI script to get all snapshots * service-control * Services not starting because of certificate expired * Check all alarm that have email notification enabled eon Vcenter * Trust Vcenter server self signed certificate in Chrome / Edge * Change SCSI controlle to Paravirtual to existing OS * Lost datastore after ESXi reboot * Horizon cleanup orphaned Replicas VM * Manual update of ESXi is failing * PowerCLI script to check CPU utilization per VM and change required

welcome

Anonymous (anonymous@undisclosed.example.com) — 2024-01-04T10:33:09+00:00

Welcome to your new DokuWiki Congratulations, your wiki is now up and running. Here are a few more tips to get you started. Enjoy your work with DokuWiki, -- the developers Create your first pages Your wiki needs to have a start page. As long as it doesn't exist, this link will be red:

windows_cleanup_script

Anonymous (anonymous@undisclosed.example.com) — 2024-01-19T09:28:29+00:00

This powershell script will do cleanup of temporary files and windows update old files

windows

Anonymous (anonymous@undisclosed.example.com) — 2025-07-17T09:13:42+00:00

* Install update using DISM when automatic install fails * KMS Commands * Reset Windows update cleanup * Windows Cleanup Script * Find source of locked ou account * Server 2022 cannot access insecure shares * Fix Trust relationship without domain rejoin * Update password for Sharepoint account * Run DISM restorehealth against ISO/DVD * Retrieve SAN disk UUID * Extend disk when there's a recovery partition blocking * WSUS reset registration to server * Install Teams on …

wsus_force_report_client_to_server

Anonymous (anonymous@undisclosed.example.com) — 2025-07-17T09:36:32+00:00

To force client to report to wsus you can use the following powershell command (run as admin)

wsus_reset_registration_to_server

Anonymous (anonymous@undisclosed.example.com) — 2024-12-31T12:47:57+00:00

If the client is not properly reporting to WSUS server, run the following to reset the registration from client side Script from troubleshooting guide: