November, 2012

MySQL : mysqlnd cannot connect to MySQL 4.1+ using the old insecure authentication

November 30, 2012 Jordansphere FreeBSD

PHP 5.3 / Mysql 5.5 / FreeBSD   You get the error message: Warning: mysql_connect() [function.mysql-connect]: Premature end of data (mysqlnd_wireprotocol.c:553) in C:\directorya\directoryb\dbconnect.phpon line 57 Warning: mysql_connect() [function.mysql-connect]: OK packet 1 bytes shorter than expected in C:\directorya\directoryb\dbconnect.php on line 57 Warning: mysql_connect() [function.mysql-connect]: mysqlnd cannot connect to MySQL 4.1+ using the old insecure authentication. Please […]

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php mysql upgrade mysqlnd 4.1 5.3,

Error connecting to an Oracle DB over Sonicwall site-to-site VPN

November 29, 2012 Jordansphere Sonicwall

Scenario: A Sonicwall TZ170 (standard firmware) was replaced with a TZ215 (Enhanced ). After installation we could not establish a connection to the main Oracle DB over a site-to-site VPN. Pings and all other services were working fine.   To get this working go to Firewall Settings -> Advanced Select SQL*Net From Enable FTP Transformations […]

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oracle vpn sonicwall error site to site,

Setting up iSCSI vmkernel switches and portgroups via CLI

November 23, 2012 Jordansphere VMware

With ESXi 5.0 you can do this via the GUI but I much prefer just using the CLI to create switches and portgroups. To start with you cant rename a vSwitch (or enter a custom name) via the GUI. This is quite annoying if you need to keep your vSwitch naming policy correct and of […]

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ESXi 4.0 4.1 5.0 5.1 iscsI vmkernel portgroup vswitch vss,

PSOD PF exception 14 in world – ESXi 5.1

November 23, 2012 Jordansphere VMware

Scenario: We wanted to unbind a physical NIC from the iSCSI kernel on  a particular host. This requires a reboot of the ESXi host. KB1030674 if anyone is interested! Caveat:  We recently upgraded one of our clusters to ESXi 5.1 from ESXi 5.0 and this was the first reboot after the upgrade.   On shutdown we […]

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PSOD ESXI5.1 PF exception 14 in world,

VCP-IaaS Exam Experience

November 20, 2012 Jordansphere VMware

Earlier today I passed my VCP-IasS exam. The exam is 90 minutes long and consists of 85 questions. There is survey before you begin which enquires about your experiences and competency with vCloud Director. I’m not sure if this has any weighting as to what questions you get! I already have a VCP (4&5) so […]

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Veeam error after upgrade to ESX 5.1

November 9, 2012 Jordansphere Veeam

Components: ESXi 5.1 , Veeam 6.5 Scenario: I upgraded all of my hosts from Esxi 5.0 to 5.1. Veeam 6.5 had been installed (upgraded from 6.1) last week and had been backing up successfully. When the job ran again as normal after ESXi 5.1 had been installed I got an error on all my VMs […]

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Cannot telnet locally to MSSQL Port 1433 (2005 Standard Edition)

November 7, 2012 Jordansphere MS SQL

OS: Windows 2008 R2,  SQL 2005 Standard Edition, vCenter 5.0 Scenario: I was upgrading from vCenter 5.0 to vCenter 5.1a. The SSO installation failed as it could not connect to the local SQL database. Caveat: I had upgraded from SQL2005 Express to standard on the same server as our vCenter inventory had grown too big […]

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FreeBSD clock frozen

November 5, 2012 Jordansphere FreeBSD

OS : FreeBSD 8.2 Hypervisor: VMware ESXi 5.0   The clock on our FreeBSD webserver suddenly stopped. This appears to be a bug in in ESXi 5.0. To fix this: If the time counter is using HPET then change this to ACPI sysctl kern.timecounter.hardware=ACPI-safe Note: The setting doesn't persist after a reboot so make sure […]

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