Host: ESXi 5.0 OS: FreeBSD I had been having trouble with a VM which suddenly stopped (Veeam) backing up due to an "NFC" error: "Processing {vm_name} Error: NFC server [{esxihost.domain.local] is busy. Failed to retrieve next FILE_PUT message. File path: [[LUN3] {vm_name}/{vm_name}.vmx]. File pointer: [0]. File size: [3567]." Veeam requested I connect to the host directly and Read More…
Obtaining Service Pack and Release of Windows version
In order to upgrade vCenter from 5.1 to 5.5 I wanted to check the version and release of Windows I was running. vCenter 5.5 requres Windows 2008 R2. To find this out open up a command prompt and type: winver This should display;
Password Protecting a Directory in IIS 7
To password protect a directory in IIS7 using basic authentication use the following steps. Note: In this example I will be password protecting http://www.jordanshpere.co.uk/test 1) Create a user using Computer Management 2. Open up Internet Information Services and click on the relevant website under Sites section. 3. Click the directory you want to password Read More…
Fixing the Ghost Vulnerability (CVE-2015-0235) on Centos
At the end of January 2015 a vulnerability was discovered which allows remote code execution in daemons/services that perform DNS host loookups. This includes Linux based system and any OS that uses the GNU C libraries . I will show you how to to this on Centos: First of all check the changelog to see if it has already Read More…
Installing JRE and Ahsay OBM client on Centos CLI
Below are 12 simple steps to set up and Ahsay client to backup a Centos machine via the CLI. Log onto the machine you want to backup. 1. Download JRE 1.5 (version v1.5+ at the time of writing) and put it in your home directory (/home/jordansphere in this case) 2. # cd /home/jordansphere 3. # tar Read More…
Create a Site-to-Site VPN between vShield Edge and Draytek
Components: vCloud Director 5.1.1/ vShield Edge 5.1.1 Draytek 2820n (FW 3.3.7.5) Create VPN from vCloud to Draytek Firstly we need to create the VPN in vCloud Director. Login to your virtual data centre then go to Administration -> Edge Gateways -> (right click vshield edge) -> Edge Gateway Services -> VPN. Tick the Enable VPN then click Add. We will also need to ensure that Read More…
Unable to Reply All, Add a Calendar entry or Print from Microsoft Outlook 2010
Issue: ~5 users were complaining that they were unable to Reply All, add a calendar entry and print while using Outlook. When the users clicked "Reply All" the following message appeared: "The connection to Microsoft Exchange is unavailable. Outlook musst be online or connected to complete this" Other symptoms included the users being prompted Read More…
VM doesn’t migrate with Redeploy All VMs Command in vCloud Director
Scenario: I needed to reboot a host but a single VM was not migrated when I called the Redeploy VMs command in vCloud Director. It was if VCD didn’t recognise the VM as vSphere didn’t even attempt to move it off the host. First of all, here are the instruction to place an ESXi host managed by vCloud Read More…
Importing Existing Wildcard Certificate into vCloud Director Keystore
Scenario: I wanted to import a RapidSSL certificate I had originally bought for a UNIX/Apache into vCloud Director 5.x Here are the steps for getting an X509 certificate into a JCEKS keystore. 1) First of all we have to convert the crt and private key into a .p12 format. As vCloud director requires both Read More…
Nagios: DNS CRITICAL – ‘/usr/bin/nslookup -sil’ msg parsing exited with no address
Scenario: We changed from BIND to Unbound on a smarthost email server. As soon as this was changed Nagios started throwing up a "DNS CRITICAL – '/usr/bin/nslookup -sil' msg parsing exited with no address" . In the following example i've substituted myhost.domain.co.uk for the actual host. Troubleshooting steps: From the Nagios server i checked the config file: Read More…
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