Telnet Using Source IP Address On a Cisco
I ran into a spot of bother trying to get to a remote router due to incorrect access list. To save me a long drive I came across the following command so I could telnet using the source IP address...
View ArticlePowerCLI Script to Get Number of CPUs, RAM and Provisioned HDD Size
The following script looks at particular folder (finance) on a vCenter Server then for each VM gets the number of CPUs, memory in GB and calculates the combined size of all HDDs. This is then exported...
View ArticlePostfix : Delete All Messages in Mail Queue
To delete all messages in a mail queue running Postfix run the following command: # postsuper -d ALL deferred
View ArticleInstall Unbound on FreeBSD 10
Below are instructions on how to install Unbound on FreeBSD Firstly install Unbound from the ports tree: # cd /usr/ports # make search name=unbound Port: unbound-1.5.7 Path:...
View ArticleUseful Exim Commands
Here are some useful CLI commands when dealing with mail queues on EXIM: List amount of messages in the queue /usr/sbin/exim -bpc List all messages in the queue /usr/sbin/exim -bp Get a summary...
View ArticleMove MySQL Directory in WHM \ cPanel
We originally installed an image from the cPanel website. The /root parition holds the system information and the /data houses the users web and mail data. Unfortunatley the /root partition is NOT...
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Guest Customization Placing Local Domain in Workgroup Rather Than Domain
I had a Windows 7 machine that I wanted to customize in order to enter a domain in a VMware Horizon 7 environment. However the customization wasn't working correctly and the local domain was...
View ArticleDisable Firewalld in CentOS 7
Simple instructions on how to stop, disable and the check the status of firewall 1) Stop the firewalld service # systemctl stop firewalld 2) Disable the firewalld service from starting # systemctl...
View ArticleList All Files Recursively in Linux
To list all files in a directory – including subdirectories then use this command: # find /data/jord01 -type f If you want a count of all the files in a directory: # find /data/jord01 -type f | wc -l
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Failed to Initialize SSL Session to Remote Host
I had a miniature test lab consisting of 1 host and 1 vCenter 6.0 appliance. When I installed the VCSA on the host I was suddenly unable to connect to the console of the VMs I had previously created....
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Creating an Extra MySQL Slave from Another MySQL Slave
I was tasked with creating a new MySQL slave in a Brighton datacenter to replicate with the master in London. There was already a replication in place from London to Manchester. Here are the steps to...
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VCNS 5.5 – Upgrade Failed. Root Fileystem Full
When trying to upgrade VCNS 5.5.3 to 5.5.4 I was presented with this error: Message: Could not untar /common/em/downloads/image/image-vsm-vsm-5.5.4-2504419.img.dist This suggested to me there was a...
View ArticleRestarting Management Interface on a Raritan Dominion PX
The web interface on a Raritan Dominion PX device was not accessible. In order to fix the issue via the clp (cli) we plugged a console cable in with the following settings Data Rate: 9600 Parity: None...
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Check the IP Address of iDRAC via ESXi Host
Scenario: Due to a disk failure I was trying to ascertain whether a partciular remote ESXi host had an iDRAC port and what the IP address was To find this: Click the host in question via vSphere...
View ArticleUpdating Equallogic Firmware via CLI
Below is an output from the Equallogic firmware update process from 7.1.14 to 8.1.6. In this example I will be using FTP to transfer the file (kit_V8.1.6-R427114_2004107431.tgz) to the member (not...
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Upgrade from SQL 2005 to SQL 2008 R2 Studio Management Fails
I successfully upgraded SQL 2005 Express (32bit) to SQL2008 R2 Express (32bit) for a mini Veeam environment. I then wanted to upgrade Studio Management but got the following error: Rule "SQL Server...
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Changing Source IP Address using NAT Policy on Sonicwall
I wanted to test a service whereas an internal IP address behind a Sonicwall used a different public IP address when connecting to a particular remote POP3 server. The following screenshot shows how...
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vCenter Service Failed to Restart After Windows Updates
My vCenter ( 5.5 u2) currently resides on a Windows 2008 R2 virtual machine. The OS required some Windows updates which were successfully installed and rebooted. Upon the server restart, the vCenter...
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Error: The User Associated With the DSN Has Insufficient Privileges
I was just about to upgrade vCenter 5.5 u2 -> 6.0 u2 . DB Server: MS SQL 2008 R2 SP2. During the pre-upgrade checks I got the following error Error: The user associated with the DSN has...
View ArticleCritical Hardware Component Failure. C2F Power Module Has Insufficient Hold Time
Problem: In the GUI the secondary controller was showing a battery fail and the error : Severity Date and Time Member ID Message...
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