If you get an error message like this: You have already activated some-gem 1.2.3, but your Gemfile requires some...
If you're deploying code for your lambda function via terraform, this code is usually zipped and uploaded to Amazon...
If you're using many terraform root modules in a repository, downloading common providers like the AWS one can quickly...
If you want to expand your Areca Raid by swapping out the disks for larger ones you will need to...
What is netfilter's Connection Tracking system? The connection tracking system often referenced as nf_conntrack is part of the...
If you end up with an Elasticsearch cluster which has a very different disk usage on it's nodes you...
When you need to know how a BIOS screen in a Lenovo Laptop works without actually booting into the BIOS...
We have observed Lenovo laptops with nvidia graphics losing performance after they have been in use for a few minutes...
Getting the whole bucket size aws s3 ls s3://$BUCKETNAME/ --recursive --human-readable --summarize | tail -n2 Tail is used because...
After performing a live migration of a VM you may encounter issues with the clock of the migrated VM. The...
Important If your railscomplete-deployment uses the net-ssh-gem please ensure you use version 5.2.0 or newer to ensure...
If you have a very large datadir in MariaDB and you want to transfer the data to another host (e.g...
If you're about to handle X509 certificates and don't want to remember/google a handful of openssl commands you...
Before you continue, ensure that you've created your certificate in the region us-east-1 (N. Virginia). Otherwise...
When restoring a barman PITR backup you may encounter this error: Copying required WAL segments. EXCEPTION: {'ret': 2, 'err': '/bin/sh...
collectd5 in version 5.9.0 is broken and you upgraded it everywhere. But because it's FreeBSD it does not...
Sometimes you might need to do some task in GitLab which would be tedious if you'd have to do...
This is not encouraged because this change is easily forgotten. We recommend using this only if you know what you...
In case you're wondering, when concat-ing server certificate and intermediate certificates, the server certificate comes first.
If you have a PostgreSQL dump in the custom format you can can view the text format dump (plain SQL...
There are two ways within systemd to manage the fact that you need the gluster service active before mounting the...
If you have a single node elasticsearch instance and indices with replicas enabled your cluster state will be yellow. If...
This should not be necessary in any case and is only for special cases, for e.g. if the assets...
With passenger-status --show=requests you can get a huge JSON showing current information about the running passenger processes.