Just a quick helper on how to format a MomentJS duration correctly as hours and minutes.
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Today we found two of our ECS instances in a cluster had unusually high CPU loads. A quick look revealed dmeventd was responsible for that.
Turns out old containers and images are not getting cleaned up by ECS.
We got back to normal levels by removing old containers and images from the instance:
If you find lots of 404 errors for browserconfig.xml files in your log files then this little trick might help. Since Windows 8 Microsofts IE requests this file from the site root to configure the desktop tiles in Windows 8.
To quickly serve a robots.txt from Nginx without actually having access to the physical file you can define the content of the robots.txt file in the Nginx .conf file.
Since Amazon started offering EBS instances the classic instance-store images have gotten little love. But when you want to spawn lots and lots of instances a simple instance-store AMI is more flexible and cheaper.
The following steps let you create an instance-store AMI from a running Ubuntu 14.04 LTS instance.
Storing tree structures in a database is simple. Add a column for the parentid and everything makes sense.
Google Chrome on Mac OS X does not use the printer defaults set in the system.
To set the defaults for the Chrome print interface, for example to set the default color mode to black and white / grayscale, follow these steps:
Need to list all table sizes and their row count of a single database in MS-SQL Server? This neat script works on MS-SQL 2008 - please comment if it works on other versions.
Our Linux machines use a S3 bucket to backup some files every night.
The machines only need write access (PutObject) to a single bucket on S3.