The ramblings of a computer geek.

A repository of information that i've found from my experience, anything interesting I find i'll post up here so that someone else might find it useful!

My posts will be classified by subject area on the left hand column, select the subject area or search the site using the "Search this site" button at the top right. The most recent posts are listed for each topic area below, hope you find something of help!

VMWare

Showing posts 1 - 5 of 22. View more »



Microsoft Windows

  • Disable UAC in Microsoft Windows 2012 R2 If you like me, don't want to have an admin prompt each time you want to save a file to a server you can disable UAC, by ensuring that ...
    Posted 20 Jan 2016, 01:20 by Tristan Self
  • Copy files within a directory structure to another directory, leaving the directories behind I had an interesting request, how to move a load of PDF files from one directory structure to another but leaving behind that directory structure so all the files end ...
    Posted 5 Aug 2015, 03:22 by Tristan Self
  • Create a SSL CSR from Command Line with Subject Alternate Name To create a CSR and include not only a CN (Common Name) but also a SAN(s) too, you can use the following process.1. Firstly create a text file ...
    Posted 16 Jun 2015, 07:09 by Tristan Self
  • Remove licence from Office 365 user In our case, we were needing to remove some licences from some users, as we had an educational licence, the names of the service plans and licenses were a bit ...
    Posted 27 May 2015, 01:08 by Tristan Self
  • Backup Pcounter balances for export to another system So you are moving from Pcounter to another printing system, but you want to export your users balances to export them to another system.To do this find the account ...
    Posted 26 May 2015, 07:24 by Tristan Self
Showing posts 1 - 5 of 49. View more »

Linux and Nagios

  • Check an SSL Certificate File in plain English You need to verify that a file cert.pem contains the certificate you expected, to do this you can use this command to view the certificate in plain text with ...
    Posted 7 Mar 2016, 05:13 by Tristan Self
  • Using check_snmp to check if a metric is within a range or not Sometimes a metric needs to fall between a range to be considered OK, and outside the range (i.e. above and below) for a warning, and outside that range (i ...
    Posted 18 Feb 2016, 05:21 by Tristan Self
  • Nagios check_http plugin get OK returned for an expected error code If you have a webserver that you want to check, but it requires authentication, you can still perform a check without seeing an error code. So for example, if you ...
    Posted 27 Nov 2015, 03:08 by Tristan Self
  • One time reboot of Linux (Ubuntu) If you occasionally need to reboot a Linux box as a one off one evening you can perform the following commands using the at command. Note if you set a ...
    Posted 3 Nov 2015, 08:17 by Tristan Self
  • Monitor Status of Dell PowerVault TL4000 Quick and Dirty with Nagios You can monitor the Dell PowerVault TL4000 Tape Library using the Nagios check_snmp plugin. After setting the TL4000 to accept SNMP connections on v2 SNMP you can run the ...
    Posted 17 Jul 2015, 06:32 by Tristan Self
Showing posts 1 - 5 of 16. View more »

Microsoft DPM

  • Dealing with "Suspect Tapes" in Microsoft DPM 2012 R2 Sometimes a tape will be marked as suspect, seemingly for no reason. To resolve this you need to do the follow these instructions to first identify the MediaID of the ...
    Posted 27 Apr 2015, 00:25 by Tristan Self
  • Dell 6Gbps SAS HBA - Adapter(s) Disabled by User Upon booting the Dell PowerEdge R720 server with two Dell 6Gbps SAS HBAs that are installed and connected to a two drive Dell PowerVault TL4000 I got this error message ...
    Posted 5 Sep 2014, 00:39 by Tristan Self
  • Microsoft DPM 2012 R2 Reporting Services Doesn't Work This was an issue when trying to setup a scheduled job in DPM, you can run reports but you can't set an automatic report.Platform:System Center Data Protection ...
    Posted 26 Aug 2014, 05:37 by Tristan Self
  • DPM Reporting Broken after an Upgrade to New Hardware PROBLEM:You upgraded DPM after the upgrade you can click to run any reports in "Reporting" within the DPM console and you get an error like the following:Cannot open ...
    Posted 9 Jan 2014, 10:21 by Tristan Self
  • After Upgrading to DPM 2012 SP1 SQL Maintenance Tasks are Inaccessible PROBLEM:Using Microsoft DPM 2012 SP1 with the locally installed SQL 2008 R2 SP2 instance (i.e. the one that DPM installs) once installed, you can't get into the ...
    Posted 9 Jan 2014, 10:17 by Tristan Self
Showing posts 1 - 5 of 13. View more »


Cisco and Networking

  • HP BladeSystem Flex 10 Ethernet Switch Configuration Had to do a bit of configuration on an HP c7000 blade chassis the other day. There was a need to have two separate uplink pairs going to two different ...
    Posted 19 Aug 2016, 07:46 by Tristan Self
  • Cisco ASA Firewall - DMZ to Inside Access On a Cisco ASA firewall you will probably want to use the DMZ for servers that are web facing, and also restrict/deny any access they have to the internal ...
    Posted 15 Jul 2015, 09:26 by Tristan Self
  • Cisco ASA NAT Exemption (post version 8.3) The changes to the ASA IOS post version 8.3 changes the way that NAT works. NAT Exemption is normally used to disable translation for certain addresses e.g. for ...
    Posted 13 Jul 2015, 08:52 by Tristan Self
  • Cisco ASA Static NAT (pre version 8.3) Pre version 8.3 to statically NAT an internal host to an external IP address you would use the following: static (inside,outside) 212.219.63.195 192.168.100 ...
    Posted 13 Jul 2015, 06:35 by Tristan Self
  • Cisco ASA Dynamic NAT Example (Post version 8.3) Okay a basic example with a Cisco ASA for the NAT rules. Lets say there is PC1 on the inside network that you want to have internet access. The IP ...
    Posted 13 Jul 2015, 08:29 by Tristan Self
Showing posts 1 - 5 of 21. View more »

General IT

  • SharePoint 2013 - Fix graphical glitch on timeline We had a weird graphical glitch on the timeline webpart on our SharePoint installation, we couldn't figure out what was happening. Until that is we checked out the element ...
    Posted 25 Jun 2015, 02:15 by Tristan Self
  • SharePoint 2013 - Hide Horizontal Scrollbar on Front Page On our Microsoft SharePoint 2013 home page, we had a horizontal scrollbar appear.What seemed to be happening was within the master CSS file was that the "s4-workspace" was ...
    Posted 23 Jun 2015, 07:45 by Tristan Self
  • Hide Search Box on top bar of SharePoint 2013 Front Page So you have the box at the top, this confuses our users, so we need to remove it. To do this you can just use a simple script on the ...
    Posted 23 Jun 2015, 01:57 by Tristan Self
  • Change size of Search Box Web Part - SharePoint 2013 You want to change the size of the search box web part, this is fairly straight forward when you know how.1. Firstly get the name/ID of the search ...
    Posted 22 Jun 2015, 03:01 by Tristan Self
  • Ubuntu Linux 14.04 LTS - SNMPD Configuration with Baracuda Load Balancer We have some Linux web servers that we use for Moodle they are setup behind a Barracuda Load Balancer that then distributes the load based on how busy each of ...
    Posted 19 Mar 2015, 09:48 by Tristan Self
Showing posts 1 - 5 of 33. View more »

Microsoft SQL and Databases

  • Shrink Microsoft SQL Database Transaction Logs PROBLEM: Your SQL transaction log has grown to be really big, this might be because a load of data was added, or your backup procedures were failing to truncate the ...
    Posted 7 Jan 2014, 06:01 by Tristan Self
  • Microsoft SQL 2000 SP4 In-Place Upgrade to SQL 2005 - Upgrade Advisor Error We had a very old server running SQL 2000 SP4 that we needed to upgrade to SQL 2005, as we didn't have the staff resource available for a complete ...
    Posted 13 Jan 2012, 00:39 by Tristan Self
  • Oracle TNS Listener Errors I recently had to resolve some TNS listener errors on a Oracle database server. It was Oracle 11g running on Microsoft Windows 2003 Server R2 SP2 32bit.Basically the problem ...
    Posted 12 Jun 2011, 05:18 by Tristan Self
  • Oracle, VMWare and Why You Should Add Indexes to Improve Performance I recently completed a migration of an 8 year old Oracle server to a nice new VM running on VMware Vpshere 4.1, this went without too many problems. However ...
    Posted 12 Jun 2011, 05:17 by Tristan Self
Showing posts 1 - 4 of 4. View more »

Comments