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14 January, 2022

Convert from RAID/IDE mode to AHCI

It’s not uncommon to find a system on which RAID drivers have been installed and something like the Intel Rapid Storage Technology package is handling storage devices, but where an SSD might require AHCI operation for more optimal performance or configurability. In these cases, there is in fact a way to switch operation from either […]

3 November, 2021

Graylog stops sending messages to elasticsearch after disk was filled

Earlier today Graylog stopped processing messages but I didn’t realise for a good few hours. Eventually i found it wasn’t “Outputting” messages per the indicator in the top right.It was ingesting them, but not outputting them. The disk had run out of space. With the primary disk space issue resolved Elasticsearch showed all shards as […]

2 November, 2021

iRedMail forwarding emails

Set mail forwarding with SQL command line Let’s say you have an existing mail user user@domain.com, and you want to forward all received emails to another address forward@example.com, to achieve this, you can login to SQL server and update vmail database like below: If you want to forward email to multiple addresses, please create more […]

20 October, 2021

Papercut print jobs do not appear in user’s Queue

We sometimes have an issue when a user sends a print job to a printer(s) controlled by papercut the job will be listed under the print queue but when the user logs into the papercut system on the MFP there is no job waiting to be released. When this happens it is most likely to […]

22 July, 2021

.exe file association in Windows

I had a user complain that his .exe files had changed association to another application and as a result most of programs were not working. To fix this I had to edit the registry to do this press “Win_key + X” to open the menu and select “Windows Powershell(Admin)” or “Command Prompt(Admin)” if this does […]

20 July, 2021

Add Ubuntu to Active Directory

To add an Ubuntu 20.04 computer to your Active directory use the following steps 1 Update your system 2) Add the following repos 3) Set your hostname (if not already done) 4) Ubuntu comes with systemd-resolve that needs to be disabled to work with AD DNS servers 5) Update /etc/resolv.conf make sure you have the […]

8 July, 2021

Exchange Calendar Permissions

Add Permissions:Add-MailboxFolderPermission -Identity “source”@domain.local:\Calendar -User “destination”@domain.local -AccessRights Editor Change Permissions:Set-MailboxFolderPermission -Identity “source”@domain.local:\Calendar -User “destinations”@domain.local -AccessRights Editor

4 July, 2021

Limit ZFS ARC Max Size

I recently had a Proxmox server with limited amount of RAM (32Gb) that would randomly have VMs turn off. Now while ZFS should (and does) release RAM for other apps and services there is a bit of a delay in doing so causing the server to run out of resources and turn the VMs off. […]

24 June, 2021

Veeam does not backup to ReadyNAS

So I had a client that was unable to do a backup to his ReadyNAS and after some searching around I found that a registry key needs to be added to the system so that the backup can complete. This has something to do with SMB/CIFS extenstions that are sent by Veeam that ReadyNAS does […]

1 May, 2021

Laptop Clone from HDD to nVME SSD failed to boot

I recently had to clone a new laptop from a HDD to an nVME disk which caused the device to fail the boot process with “Inaccessible Boot Device” blue screen. After spending some time trying to get the BCD store fixed and rebuilding the EFI partition the device still refused to boot . I realized […]

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