Main public logs

Combined display of all available logs of Thomas-Krenn-Wiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 14:35, 22 July 2025 Smueller talk contribs created page Configuration of OPNsense Intrusion Detection and Intrusion Prevention (Created page with "The Open Source Firewall Distribution OPNsense offers a variety of opportunities to secure the network. These functions also include an '''Intrusion Detection System''' as standard. It is based on the software Suricata and is already pre-installed. You can easily activate and administrate this function in the webinterface of the OPNsense firewall. This article shows the activation and setup of an Intrusion Detection System based on OPNsense 24.7. == Function types...")
• 07:44, 7 July 2025 Smueller talk contribs created page Safety instructions for AMD-SB-3010 cache-based side-channel attack against SEV (Created page with "In '''2024''', on '''November 12th''', AMD published the Security Bulletin AMD-SB-3010. Security vulnerabilities, which enable cache based side channel attacks against SEV (AMD Secure Encrypted Virtualization),were discovered.<ref>[https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3010.html Cache-Based Side-Channel Attack Against Sev – November 2024] (www.amd.com/en/resources/product-security, 12.11.2024)</ref> == Affected systems == * systems with "Z...")
• 07:36, 7 July 2025 Smueller talk contribs created page Safety instructions for AMD-SB-3015 undermining integrity features of SEV-SNP with memory aliasing (Created page with "On December 10 in '''2024''', AMD published the Security Bulletin AMD-SB-3015. This safety vulnerability undermines the integrity of the functions AMD Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP) for EPYC processors of the generations 3 & 4. Improper input validation for SPD (DIMM Serial Presence Detect) metadata could allow an attacker with physical access, Ring0 access to a system with a non-compliant DIMM, or control over the Root of Trust for BIOS...")
• 07:33, 7 July 2025 Smueller talk contribs created page Category:AMD Safety Information (Created page with "{{Kategorie |kategorie=AMD_Sicherheitshinweise |text1=right|200x200pxIn dieser Kategorie finden Sie Artikel zu Sicherheitshinweisen für AMD Produkte. |text2=<DPL> ordermethod=firstedit order=descending count=3 category=AMD_Sicherheitshinweise addeditdate=true userdateformat=(d.m.Y) format=,\n* %TITLE% %DATE%,, </DPL>}} Category:AMD de:Kategorie:AMD")
• 15:03, 12 June 2025 Smueller talk contribs created page Safety instructions for Intel products 2025.2 IPU with supplement to 2025.1 IPU (Created page with "In '''May 2025''', Intel published security advisories for different Intel products in the course of the 2025.2 IPU (Intel platform update). Also for the new “training solo” attack vector. Some of these safety instructions require '''firmware updates'''. In this article, you will find an extract and instructions for these security advisories as well as information on where you can find updates for Thomas-Krenn products. == Security advisories == {| class="wikitable...")
• 14:59, 12 June 2025 Smueller talk contribs created page Supermicro BMC safety updates "terrapin attack", October 2024 (Created page with "Supermicro BMC safety updates "terrapin attack", October 2024 In '''October 2024''', Supermicro published several BMC firmware updates for X11, X12, H12, M12, X13, H13, A3 motherboards and CMM6 modules for the elimination of a security vulnerability in the BMC firmware<ref>[https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2024 Vulnerability in Supermicro BMC IPMI Firmware, “Terrapin”, October 2024] (www.supermicro.com, october 2024)</ref>. In this ca...")
• 14:56, 12 June 2025 Smueller talk contribs created page NVIDIA vGPU Licensing (Created page with "Licensing of NVIDIA vGPU For the use of '''NVIDIA vGPU software''' for the virtualisation of GPU resources, different licenses are required depending on the use case. This article explains different licenses and explains the functions that can be used depending on the license. == Licenses == In the following, the licensing for different application scenarios is explained. === NVIDIA vApps === The vApps software is for all session based solutions and app streaming es...")
• 14:54, 12 June 2025 Smueller talk contribs created page VDO - Virtual Data Optimizer (Created page with "VDO - Virtual Data Optimizer '''VDO''' ('''Virtual Data Optimizer''') is a Linux device mapper target that offers '''inline deduplication''', '''compression''' and '''thin provisioning functions''' on block level. VDO is managed via LVM and can be integrated in every existing storage stack. == Central functions == VDO offers central functions: * deduplication * compression * thin provisioning VDO works for applications fully transparent. All three functio...")
• 14:52, 12 June 2025 Smueller talk contribs created page TKMI System Inventory (Created page with "TKMI System Inventory In the '''inventory system''' of Thomas-Krenn management interface, you will find information on the host sytem and its components. == System components == alt=Überblick System Inventory|right|400x400px In the following, the TKMI listed categories are described: {| class="wikitable" !category !description |- |system |general information on host system |- |processor |information on used processors |- |memory...")
• 14:48, 12 June 2025 Smueller talk contribs created page RAID (Created page with "A '''RAID''' (Redundant Array of Independent Disks) describes the interconnection of several hard disks or other data carriers to a single logical drive. Dependent on the respective RAID level, it enables both higher reliability and higher performance than can be achieved with a hard disk. RAIDs can be used with the help of Hardware RAID, Software RAID or Firmware/Driver RAID. {{#widget:Imagebox-left|link={{#tklink:type=sitex|id=17662|linkonly...")
• 14:44, 12 June 2025 Smueller talk contribs created page Securing SSH login under Debian with fail2ban (Created page with "The tool '''fail2ban''', which is written in Python, pursues the target to secure server services against DoS attacks. It checks log data after pre defined patterns and blocks the corresponding IP addresses temporarily in the event of repeated failed access. This article shows how to safe a Debian based server with fail2ban. The used version of fail2ban is '''0.9.6-2''' under '''Debian 9.1'''. ==Problem== Several failed login attempts with the log SSH, which do not com...")
• 14:38, 12 June 2025 Smueller talk contribs created page Veeam Proxmox VE Worker VM: Cannot access a closed Stream (Created page with "When integrating a Proxmox VE server into Veeam, there is currently a requirement that local storage must be activated. This requirement also applies if a storage other than snapshot storage has been selected. == Initial situation == - Veeam backup and replication console: 12.3 / Beta version 13.0 - Proxmox VE 8.4 - '''hint''': The named versions refer to our test environment and may vary for your system. == Error pattern == When creating a Worker VM and Proxmox V...")
• 13:35, 16 April 2025 Smueller talk contribs created page Template:Smueller (Created page with "{{Autor |Name=Samuel Müller |Benutzername=Smueller |Beschreibung=Samuel Müller ist im Product Management Team von <tklink type=sitex id=912>Thomas-Krenn</tklink>. Im Frühjahr 2024 absolvierte er erfolgreich seine Ausbildung als Kaufmann im Einzelhandel und ist seit dem als Solutions Engineer im Quereinstieg bei der Thomas-Krenn.AG tätig. Dabei beschäftigt sich Herr Müller mit Proxmox VE und unter anderem mit dem Thomas-Krenn-Wiki. |GooglePlus= |Facebook= |Twitter=...")
• 13:34, 16 April 2025 Smueller talk contribs created page Android App - Proxmox VE Web-UI (Created page with "In this article, we explain the '''setup and the use of the Proxmox VE app, which is available on Android'''. The Proxmox VE app brings the web interface to your mobile device in a compact and clear way. == Initial setup == You can find the Proxmox VE app in Google Play.<ref>[https://play.google.com/store/apps/details?id=com.proxmox.app.pve_flutter_frontend&pcampaignid=web_share Proxmox VE App im Google Play Store] (play.google.com)</ref>. A version for iOS is cur...")
• 13:32, 16 April 2025 Smueller talk contribs created page Chrony Faster Time Sync Configuration (Created page with "Proxmox VE uses the service Chrony for time synchronisation. This service can still be optimized with regard to the query intervals of time servers with a separate configuration. == Default configuration == the standard update interval of Chrony is 513.4 :<pre> root@PMX8:~# chronyc sources MS Name/IP address Stratum Poll Reach LastRx Last sample =============================================================================== ^* chronos.intern.thomas-kr>...")
• 13:15, 16 April 2025 Smueller talk contribs created page Setting of OPNsense HA cluster sync from version 24.7 (Created page with "OPNsense 24.7 brings some new features and improvements, including a new kernel with FreeBSD 14.1-RELEASE. The '''synchronisation of a HA cluster has also been adapted''' and the '''adaption of these settings''' is required so that the synchronisation between the two firewalls functions again. This article explains how to adapt the '''synchronisation of both firewalls for version 24.7'''. File:OPNsense-24.7.4-HA-Configuration-reconfigure-01.png|thumb|right|A notificat...")
• 13:14, 16 April 2025 Smueller talk contribs created page Configuration of LES plus v4 RS485 (Created page with "The '''LES plus v4''' (with Intel i5-1235U) of Thomas-Krenn provides two serial ports. These can be operated as '''RS232''' (default) or '''RS485'''. This article shows how to adapt the two serial ports from RS232 to RS485. == PIN assignment == 250px|thumb|right|The <tklink type="sitex" id="21011">LES plus v4</tklink> provides over two COM ports. The following chart shows the PIN assignment of the signals in RS232 as well as in RS485 mode at <tk...")
• 12:49, 16 April 2025 Smueller talk contribs created page Backup Proxmox VE VM with HA status stopped under Veeam (Created page with "This article explains how to change the configuration of the Veeam server so that a backup of virtual machines with HA status "stopped" works. == Error description == During the backup of Proxmox VE VMs with the help of Veeam, the following error message can occur: "'''01/09/2025 7:28:08 AM:: hostname-machine : Failed to perform backup: Failed to connect the NBD server to the hypervisor host".''' The reason for this is that the virtual machine under Proxmox has the...")
• 12:48, 16 April 2025 Smueller talk contribs created page Category:Proxmox Troubleshooting (Created page with "Category:Proxmox")
• 12:43, 16 April 2025 Smueller talk contribs created page TKMI FRU information (Created page with "You will find information on ''field replaceable units (FRU)'' of the host system in the menu '''FRU information''' of TKMI. These are the components of a host system that can be changed on site. In this article, you will get an overview of the information provided. == Available information == alt=TKMI FRU Information|right|450x450px The '''chassis''' and the '''mainboard''' are called as ''FRU'' in Thomas-...")
• 12:41, 16 April 2025 Smueller talk contribs created page Category:Thomas-Krenn Management Interface (Created page with "Category:Server Software")
• 15:59, 15 April 2025 Smueller talk contribs created page Supermicro security update for AMI-SA-2025003, April 2025 (Translation from Germany to English)
• 08:33, 7 April 2025 Smueller talk contribs created page Safety instructions for AMD SB-7033 CPU Microcode Signature Verification Vulnerability (Created page with "On March 5th 2025, AMD published the security bulletin '''AMD-SB-7033'''. Google researchers provided a report with the title AMD microcode “Signature Verification Vulnerability“ for AMD. This vulnerability allows an attacker with system administration rights to load malignant CPU microcode patches. AMD assumes that this problem is caused by a vulnerability of the algorithm for the signature verification that could allow an attacker with administrator rights to load...")
• 15:44, 3 April 2025 Smueller talk contribs created page Safety instructions for AMI MegaRAC SPx CVE-2024-54085 (Created page with " In March 2025, details about a security gap in AMI MegaRAC BMC were published under the CVE ID: '''CVE-2024-54085'''. The AMI MegaRAC SPx firmware contains a '''weak spot''', which allows an attacker to bypass the authentication of the BMC remotely via the redfish host interface. A successful exploitation of this weak gap can lead to a loss of trust, integrity, and/or availability.<ref>[https://nvd.nist.gov/vuln/detail/CVE-2024-54085 CVE-2024-54085] (nvd.nist.gov, 11.0...")
• 11:09, 13 February 2025 Smueller talk contribs moved page Benutzer:Aranzinger/Spielwiese13 to User:Aranzinger/Spielwiese13
• 11:09, 13 February 2025 Smueller talk contribs moved page Benutzer:Aranzinger/Spielwiese12 to User:Aranzinger/Spielwiese12
• 11:08, 13 February 2025 Smueller talk contribs moved page Benutzer:Aranzinger/Spielwiese11 to User:Aranzinger/Spielwiese11
• 10:53, 13 February 2025 Smueller talk contribs created page File:1200px-Ceph Health Error nach Recover.png
• 10:53, 13 February 2025 Smueller talk contribs uploaded File:1200px-Ceph Health Error nach Recover.png
• 09:50, 18 December 2024 Smueller talk contribs created page Configure and create mail notifications in Proxmox VE (Created page with "Using the Web UI or the command line, there are several ways to configure **email notifications** for the secure operation of Proxmox VE. This article explains the current **configuration and testing options** for these notifications in Proxmox VE 8.1. == Basic Information == By default, Proxmox VE sends all emails to the address associated with the user <code>root@pam</code>. This can be viewed under <code>Datacenter -> Permissions -> Users</code>. File:Root-Us...")
• 09:46, 18 December 2024 Smueller talk contribs created page InfluxDB2 + Grafana Configuration of a metric server for Proxmox VE (Created page with "This article explains how to configure InfluxDB and Grafana to send data from your Proxmox VE system to InfluxDB and visualize it appealingly via Grafana. This article covers creating an API token in InfluxDB2, configuring a datasource in Grafana, and setting up Proxmox VE. Finally, a dashboard is imported, and data from the Proxmox VE system is visualized. == InfluxDB2 API Access Creation == Create an API token via the InfluxDB2 Web UI so that Proxmox VE can send d...")
• 09:34, 18 December 2024 Smueller talk contribs created page InfluxDB2 + Grafana Docker Container Installation with Ubuntu (Created page with "This article explains how to install an InfluxDB and Grafana monitoring setup using Docker. This setup is ideal for live monitoring of your IT infrastructure. == Installation Docker == We use Ubuntu 22.04 (LTS) with Docker as the base. The latest installation instructions can always be found in the [https://docs.docker.com/engine/install/ubuntu/ Docker Docs]. Here are the commands for installing Docker on Ubuntu in brief: <pre> # Add Docker GPG Key sudo apt-get upd...")
• 09:31, 18 December 2024 Smueller talk contribs created page Category:Monitoring (PVE) (Created page with "Category:Proxmox")
• 09:29, 18 December 2024 Smueller talk contribs created page Graylog - Remote Log Server Management of a Proxmox VE Clusters (Created page with "This article shows how to set up a Graylog server on a virtual machine or a server to collect logs from your Proxmox cluster. Logs are of central importance when it comes to administering a production system. Evaluating these logs serves the purpose of being informed about changes to the system, narrowing down the source of a problem, or ensuring the availability of the system. This can be especially useful after a server or entire cluster failure to sensi...")
• 09:15, 18 December 2024 Smueller talk contribs created page Monitoring a Proxmox VE Ceph host with checkmk (Created page with "== Prerequisites == To monitor a Proxmox VE Ceph cluster using checkmk, the following components are required: * an installed Linux server (preferably Debian 12) * a complete installation of Docker * a fully functional checkMK-RAW container (free of charge) * a Proxmox Ceph HCI cluster with Ceph installed * a Proxmox VE host already created and registered in checkmk == Agent mk_ceph == In the checkmk UI, proceed as follows: * Setup -> Agents -> Linux * Copy the plugi...")
• 17:25, 17 December 2024 Smueller talk contribs created page Create new MGR pool (.mgr) in Proxmox VE (Created page with "Under certain circumstances, error messages may occur regarding the `.mgr` pool within Proxmox Ceph HCI. For example, the following errors may appear: <pre> pg 1.0 num got status unknown </pre> This error may not disappear on its own. However, there is a way to resolve it – the pool must be recreated. To determine which pool corresponds to the placement group, the following command can be executed: <pre> root@pve-b11:~# ceph osd lspools 1 .mgr 5 vm_nvme 6 cephfs_dat...")
• 17:07, 17 December 2024 Smueller talk contribs created page Change hostname in a productive Proxmox Ceph HCI cluster (Created page with "right|frameless In certain situations, you may want to change the hostname of a system. This guide explains how to do so, but it ONLY applies to changing a hostname in a cluster system. Additionally, it covers necessary changes within Ceph, Corosync, and the HA mode of Proxmox VE when the hostname of a node changes. '''Disclaimer''': Proxmox itself does not recommend renaming a host—it is better to reinstall and re-integ...")
• 17:00, 17 December 2024 Smueller talk contribs created page Ceph: a password is required command=nvme error (Created page with "After a Proxmox Ceph update from Ceph Octopus to Ceph Pacific, you may receive the following errors via email: <pre> pve03.cloudfighter.de : Jul 7 00:08:48 : ceph : a password is required ; PWD=/ ; USER=root ; COMMAND=nvme wus4bb096d7p3e4 smart-log-add --json /dev/nvme3n1 </pre> ''Cause'': The Ceph Smart-Mon service attempts to use the command `nvme-cli`, but the package `nvme-cli` is not installed. ''Solution'': The `nvme-cli` package can be manually installed: <pr...") Tag: Visual edit: Switched
• 16:47, 17 December 2024 Smueller talk contribs created page Ceph Perfomance Guide - Sizing & Testing (Created page with "When setting up a new '''Proxmox VE Ceph cluster''', many factors are relevant. Proper '''hardware sizing''', the '''configuration of Ceph''', as well as thorough testing of drives, the network, and the Ceph pool have a significant impact on the '''system's achievable performance'''. In this article, you will learn how to plan a Proxmox Ceph cluster. The article also assists with troubleshooting in case of Ceph performance issues. == Ceph Nodes, Ceph OSDs, Ceph...")
• 15:19, 16 December 2024 Smueller talk contribs created page Proxmox Backup Server (Created page with "'''Proxmox BS''' ('''Proxmox B'''ackup '''S'''erver; short '''PBS''') is an open source backup solution for Proxmox VE based on Debian GNU/Linux. PBS supports both the backup of classic kernel-based virtual machines (KVM) and the backup of containers based on LinuX Containers (LXC). The PBS offers a clear web interface for managing backups. == Proxmox Backp Server 3.x== Proxmox Backup Server 3.0 is based on Debian 12 and uses a kernel 6.8 based on Ubun...")
• 15:09, 16 December 2024 Smueller talk contribs created page Proxmox Backup Server as a plugin (Created page with "This article shows you how to use the Proxmox Backup Server (PBS) as a plugin on a system with Proxmox VE (PVE). == Use case == The main use case is to install the PBS on top of PVE in order to perform a disaster recovery. The following images show this scenario in more detail:<gallery> File:PBS PVE Cluster.png|You have a PVE cluster, from which you back up all your VMs & CT to the PBS, which was installed as a plugin. File:PBS PVE Cluster Down.png|In the event...")
• 14:41, 16 December 2024 Smueller talk contribs created page Category:Proxmox Backupserver (Created page with "Category:Proxmox")
• 14:29, 16 December 2024 Smueller talk contribs created page Category:Proxmox Administration (Created page with "Kategorie:Proxmox")
• 13:12, 16 December 2024 Smueller talk contribs created page Category:Ceph (Created page with "Category:Proxmox Category:Storage")