Switched On Tech Design
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Drupal 7 – “Manage fields” missing from Content Type admin page
When trying to add file uploads to the “page” content type creation, we found that the Manage Fields section was missing (Structure -> Content Types). In this case it turned out that the module Field UI had been disabled; re-enabling that module brought the Manage Fields option back.
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How to stop apache from starting on boot? Debian 7 and 8
This little tip is handy for those who want to swap from apache to nginx: update-rc.d -f apache2 remove Easy done.
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OpenSMTPD and Thunderbird: smtp-in: Bad input on session 5.5.1 Invalid command: Pipelining not supported
While trying to connect to OpenSMTPD running on Debian Stretch Thunderbird couldn’t auto-configure the account and provided the following error in the logs: email smtpd[566]: smtp-in: Bad input on session 6567905e3020707c: 500 5.5.1 Invalid command: Pipelining not supported This is a Thunderbird config issue, not a server side issue. Change the settings from…
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Adobe Photoshop Lightroom 5.7 and Mac OS X – will no longer open
After upgrading Lightroom 5.6 to 5.7, it refused to open with the error: Library not loaded: @executable_path/../Frameworks/asneu.framework/versions/a/asneu This problem stems from the fact that the system drive is a case sensitive file system; in a similar vein, we were recently unable to install Adobe CC on a similar system as it is also…
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HP ProCurve 1810-24G – Where to find the latest firmware updates
Having trouble locating the latest firmware for your HP ProCurve switch? Here’s where to find it:
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Proxmox KVM virtual machine: Cannot delete due to missing storage
Today we encountered a situation where a Proxmox system’s KVM virtual machine refused to delete after the storage volume that it’s virtual HDD resided on was lost; trying to delete the KVM from the web GUI resulted in the following error: TASK ERROR: storage ‘proxmoxHDD’ does not exists Attempting to delete it from…
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ZFS on Linux: How to find the arc stats (was arcstat.py)
This has now changed; run the following to find the adaptive read cache stats (ARC): cat /proc/spl/kstat/zfs/arcstats You can gleam some really useful information out of how your RAM is being utilised and what your required ARC size might be from the results – this may be a topic for a future post,…
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Supermicro X10SRH-CLN4F Socket 2011-3 Server Motherboard Review
With the recent release of Intel’s Haswell-EP (aka Grantley) range of CPUs we have a new assortment of motherboards to match. One of the Supermicro server offerings is the X10SRH-CLN4F single-socket (UP, as opposed to dual socket – DP) board.
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ZFS: zpool replace returns error: cannot replace, devices have different sector alignment
Trying to replace a failed SSD in a zpool we encountered the following error: cannot replace 4233944908106055 with ata-INTEL_SSDSC2BW240A4_CVD02KY2403GN: devices have different sector alignment The pool was aligned to 4k sectors – e.g. ashift=12 – whereas the new SSD was aligned to 512b sectors. There’s a quick and easy fix to this –…
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Supermicro X10SRH-CLN4F review coming soon!
We have a new motherboard in-house – the single-socket 2011-3 Supermicro X10SRH-CLN4F. Photos are done, full review to come soon! Review is now live! See: https://sotechdesign.com.au/supermicro-x10srh-cln4f-socket-2011-3-server-motherboard-review/