Change iSCSI Adapter Name – ESXi 6.7

February 27, 2020 Jordansphere ESXi

Problem I accidentally forgot to set a hostname before making the iSCSI software adapter live..There are no datastore attached to the host yet but i like the IQNs to be recognizable.   Solution This ESXI was newly created so please don't use these commands on a live system unless you've done your due diligence – or […]

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Equallogic – Connection to the Server Could Not be Established

February 24, 2020 Jordansphere Equallogic

Problem I reconfgured the management IP address and default gateway of PS6210X whilst on site. I tested access before I left site. When I got back to the office I was unable to connect to the Group Manager although I could SSH successfully.   The following error appeared: Connection to the server could not be established     […]

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Extend XFS EBS Volume on CentOS AWS Instance

February 19, 2020 Jordansphere AWS

Query I wanted to extend an XFS formatted disk in Linux which is backed by an EBS volume. The mount point is called mydata To extend the volume in AWS: Goto Compute -> EC2 -> EBS -> Volumes -> {Select Volume} -> Modify Volume -> {change size} On the Linux device ec2-user]# lsblk NAME    MAJ:MIN […]

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Reset and Configure Cisco Fabric Interconnect

January 27, 2020 Jordansphere Cisco UCS

Here are the steps to reset a Fabric Interconnect pair and set them up from scratch. Step 1 – Reset Fabric Interconnects to factory defaults Erase configuration on both Fabric A and Fabric B:   old-swfi01-A# connect local-mgmt Cisco Nexus Operating System (NX-OS) Software TAC support: http://www.cisco.com/tac Copyright (c) 2009, Cisco Systems, Inc. All rights […]

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configure, fabric interconnect, reset,

Script to install RabbitMQ 3.7.9 on Centos7

January 24, 2020 Jordansphere Linux

Script to install RabbitMQ 3.7.9 on CentOS 7   #!/bin/bash # README # ONLY VARIABLE REQUIRED IS admin password for "rabbitmqctl add_user admin {MyPassword}" # PLease change before running script. # echo "#######################################################################"; echo "This script will install RabbitMQ 3.7.9 and open relevant firewall rules"; echo "#######################################################################"; yum -y install epel-release wget http://packages.erlang-solutions.com/erlang-solutions-1.0-1.noarch.rpm rpm -Uvh […]

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HP DL460c Blade Randomly Not Recognising SD Card on Reboot

December 4, 2019 Jordansphere ESXi

Problem When we reboot an HP DL460c Gen9 blade approximately 50% of the time it would not find the SD card and thus not boot.    Resolution When booting -> Press F9 (System Utilities) -> System Configuraion -> BIOS/Platform Configuration (RBSU) -> System Options -> USB Options -> USB 3.0 Mode. Set to Auto   Save […]

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Create LACP Bond Interface in Centos 7

December 2, 2019 Jordansphere Linux

Issue I had two 10Gb ports I wanted to bond in Dynamic Link Aggegration (802.3ad) To get the network interface list use: nmcli connection In my output I wanted to use ens1f0 and ens1f1 interfaces   Steps 1)  Create Bond Interface (bond0) nmcli con add type bond con-name bond0 ifname bond0 mode 4 ip4 10.32.99.12/24 10.32.99.254 […]

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New Node Gets Stuck in PendingActive State – NetApp Solidfire

November 25, 2019 Jordansphere SAN

Problem: When trying to add a new NetApp Solidfire (H610S4) node to an existing cluster the node became locked in a PendingActive state.   Troubleshooting The log files showed the following error: 2019-11-25T13:47:50.149221Z node-sans11 master-1[26688]: [Bootstrapper] 26749 TickerIOService ms/Bootstrapper.cpp:1648:RunClusterSearch|Error in cluster search: ex=xInvalidVirtualNetwork at solidfire::IPAddress solidfire::VirtualNetworkInfo::ReserveAddress() (shared/VirtualNetworkInfo.cpp:302): Too few IP addresses supplied for VirtualNetwork 8   […]

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Cryptographic Error: Trusted Certificate Entries are Not Password-protected Keytool

November 12, 2019 Jordansphere SSL

Problem When replacing the certificates on a vCloud Director 9.5 installation, I ran the configure command and the following error occurred. cryptographic error: trusted certificate entries are not password-protected keytool   Troubleshooting Upon investigation of the keystore file it appeared that the keytool -storetype JCEKS -list -v -keystore certs.ks <snip> Alias name: http Creation date: 29 […]

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cryptographic error: trusted certificate entries are not password-protected keytool, keystore, keytool, vcloud director,

Init: Private key not found – Apache Wont Start on CentOS

October 29, 2019 Jordansphere Apache

Problem When attempting to update a certificate in Apache the webserver would not restart. Apache Error Logs: [Tue Oct 29 14:42:07 2019] [error] Init: Private key not found [Tue Oct 29 14:42:07 2019] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Tue Oct 29 14:42:07 2019] [error] SSL Library Error: 218640442 error:0D08303A:asn1 encoding routines:ASN1_TEMPLATE_NOEXP_D2I:nested asn1 […]

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apache, centos, Init: Private key not found,

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