What the smux

Posted by scottk on May 28, 2010 in Sysadmin |

We’ve been running into issues where Dell Openmanage doesn’t want to allow snmp in to it’s service in order to gather information. This is normally done via smux which is setup in the snmpd.conf # Allow Systems Management Data Engine SNMP to connect to snmpd using SMUX smuxpeer . What I’ve come to find out […]

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Virtual Box Disk Clone SLES10

Posted by scottk on January 26, 2010 in Sysadmin, Virtualization |

So I wanted to create a copy of a Virtual Box SLES10 .vdi in Ubuntu, it’s not as easy as just copying the file. On your host: VBoxManage clonehd Original.vdi NewCopy.vdi Create a new machine and point to this new image. In the virtual machine: When you boot it’s going to drop you to a […]

ubuntu snmp spam

Posted by scottk on October 22, 2009 in Sysadmin, Ubuntu |

with the default settings in ubuntu server /var/log/daemon can fill up pretty quick with SNMP spam like this: Oct 18 07:01:48 Build01 snmpd[2245]: Connection from UDP: [monitor01]:47674 Oct 18 07:01:48 Build01 last message repeated 19 times every time a connection is made to snmp the default is to log a message and this is way […]


MySQL AppArmor

Posted by scottk on October 20, 2009 in Sysadmin, Ubuntu |

So I was getting these messages “mysqldump: Got error: 1: Can’t create/write to file ‘/db_backups/mysql/table.txt’ (Errcode: 13) when executing ‘SELECT INTO OUTFILE’” What I’ve come to find is that on a default install of ubuntu APPARMOR will block mysql from writing to any directory other than a few key ones needed by the app. Edit […]

enabling ESXi ssh

Posted by scottk on September 18, 2009 in Sysadmin, Virtualization, VMWare |

After installing ESXi I found need to ssh into the hypervisor, this isn’t enabled by default. To get it going you need to: At the console of the ESXi host press Alt+F1 Alt+F1 Type in “unsupported” and hit enter. This is done blindly and you won’t see any indication you are doing anything unsupported If […]


Posted by scottk on September 14, 2009 in Sysadmin, Ubuntu, VMWare, Xen |

These last couple weeks I’m taking a look at some major infrastructure changes. We’re looking at doing a gadget for Yahoo which means I had chance to implement some new infrastructure options. Things which I’d thought about at one time or another or someone else had brought up to me in the office and was […]

OpenX email ads

Posted by scottk on August 6, 2009 in Sysadmin |

I’ve been getting and instance of OpenX up and running starting yesterday morning and it’s look to be some pretty kick ass software. My gripe is that one of the major things I’m trying to tackle is a replacement for marking up email templates every time a new ad rolls in. OpenX has this capability […]

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getting my stat on

Posted by scottk on August 4, 2009 in Sysadmin |

I’ve spent some of the last weekend and a few nights working on getting my stats on. Specifically I now have memcached and mysql pushing stats out via SNMP, which I’m polling and graphing with my install of OpenNMS. Next up will be a quick piece to check the queues of the postfix and qmail […]

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MySQL I Deny Thee Extended Insert

Posted by scottk on July 27, 2009 in Snippets, Sysadmin |



rest_client not equal to rest_client

Posted by scottk on June 16, 2009 in Ruby on Rails, Sysadmin |

Note when a Ruby setup, Sinatra in this instance, says it’s missing rest_client it is missing the gem rest-client.

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