vCenter – 503 Service Unavailable – Failed to connect to endpoint

In case you got this message „N7Vmacore4Http20NamedPipeServiceSpecE:0x00005649c2730ad0] _serverNamespace = / action = Allow _pipeName =/var/run/vmware/vpxd-webserver-pipe)“ You’re getting a failure because you are not using a FQDN (hostname plus domain name) which you *must* use. And, yes, you *must* have forward…

How to Install/Re-install ESXi 6.7

Thanks to Michael Frauenhoffer for this guide which can be used also during VMware reinstallation. I run into trouble after enabling some pass through functions and ended up with dma_mappon_iommu load successfully but get stuck at that point with no…

Setting dns server CentOs-8

setting This detailed tutorial will help you to set up a local DNS server on your CentOS 7 system. However, the steps are applicable for setting up DNS server on RHEL and Scientific Linux 7 too. DNS Server Installation Scenario…

Zabbix IPMI configuration

4 IPMI checks Overview You can monitor the health and availability of Intelligent Platform Management Interface (IPMI) devices in Zabbix.To perform IPMI checks Zabbix server must be initially configured with IPMI support. IPMI is a standardized interface for remote “lights-out” or “out-of-band”…

How to Configure Boot from iSCSI with VmWare

Issue This guide intends to assist customers on configuring HP ProLiant servers with Broadcom Multifunction NICs in order to boot off an iSCSI target and have MPIO configured (either during OS operation and NIC failover at server boot). The Broadcom…

Zabbix – IPMI configuration in ILO HP

Confiruge ILO IP address Enable IPMI in ILO in ILO create IPMI user Verify that port 623 is up and running [root@vm1zabbix ~]# nmap -sU 192.168.0.196 -p 623Starting Nmap 7.70 ( ) at 2020-04-11 09:28 CESTNmap scan report for…