Disable 3D Acceleration Click virtual machine –> go to Settings –> Display Uncheck “Enable 3D Acceleration”
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Find services running inside svchost.exe
Find services running inside svchost.exe via cmd.exe tasklist /svc | findstr “svchost.exe”
Continue readingMicrosoft-Windows-Hyper-V-VMMS/Admin, Event-ID 15268
Log Name Microsoft-Windows-Hyper-V-VMMS/Admin Source Hyper-V-VMMS Event-ID 15268 Level Error User SYSTEM Task Category None Message Failed to get the disk information. Check if an *.iso-File is mounted on a virtual dvd drive (with powershell) If so, unmount them and check if the error persists.
Continue readingELK-Stack (Elasticsearch Kibana Logstash) – Reporting Max size reached – expand
Add the following line to kibana.yml and restart the kibana-service The size must be set in bytes for example (1GB):
Continue readingJoin Debian / Ubuntu to Active Directory Domain
To domain-join an debian / ubuntu – server you first need to install realmd and its dependencies Join the server to your Active Directory-Domain If you need to, replace “administrator” with another authorized user. If the above command fails:check if your user has the required permissionscheck the passwordtry the following:
Continue readingEnable LDAP-Diagnose (Domain Controller / Active Directory)
Set registry value Set registry value via powershell Check LDAP-Events Open Event-Viewer and browse to “Applications and Services Logs” –> “Directory Service”. There you can find the LDAP-Events. You can filter for Event-ID “2889” to only get the necessary entries. Check LDAP-Events with powershell Disable LDAP-Diagnose with powershell
Continue readingPihole Blocklists
Below you can find my favorite blocklists to update the pihole gravity
Continue readingELK-Stack (Elasticsearch Kibana Logstash) – Index not writable (read-only)
Error: [INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({“type”=>”cluster_block_exception”, “reason”=>”blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];”}) Log-Message Resolution 1. Cleanup your disk or expand it 2. Set Indices to “read_only_allow_delete”: “false” You can do this over Kibana –> Dev Tools Or via curl
Continue readingUbuntu: Set Time and Timezone
Check current date / time List available timezones Set timezone Check current date/time configuration Sync time with ntp Ensure that “status systemd-timesyncd” is running Time synchronistation is enabled by default. Run the command timedatectl and ensure that “System clock synchroized” and “systemd-timesyncd.service active” are both set to yes. If not,
Continue readingSystem, Event-ID 1102, SNMP
Log Name System Source SNMP Event-ID 1102 Level Warning User N/A Task Category None Message The SNMP Service is ignoring extension agent dll C:\Program Files\QLogic Cosporation\SNMP\qlaspmgnt.dll because it is missing or misconfigured. The path “C:\Program Files\\QLogic Cosporation\SNMP\” does not exist. It should be ” C:\Program Files\QLogic Corporation\SNMP\”. Edit path in
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