Software / Hosting Control Panels How do I log the connection IP in qmail (H-Sphere)?
In versions newer than H-Sphere 2.5 Patch 1 you can increase the logging level by editing the "/var/qmail/control/options" file. Simply ...
Software / Databases / MongoDB How do I pause/unpause shard balancing in MongoDB?
During index creations and other long operations it is sometimes helpful to pause shard rebalancing.
To pause/disable sharding connect with the ...
Hardware / Computers How do I stop X from starting on boot on the Iteaduino Plus?
From the console you can disable X at startup by issuing the following command.
sudo mv /etc/init/lightdm.conf /etc/init/lightdm.conf.disabled
And then reboot the ...
Software / Linux / Command Line How do I rename a KVM VM?
This example works on Debian 13, but will likely work on other distributions too (CentOS 7).
Save a copy of the ...
Hardware / Cluster HAT / Cluster CTRL Why do I get the fallback IP instead of an IP via DHCP?
The time dhcpcd waits before using the fallback IP can be set in the configuration file.
Edit /etc/dhcpdcd.conf
Add a line containing ...
Software / Linux / Command Line ClusterCTRL: How do I USBBOOT a Compute Module?
To boot a Compute Module as a USB device USBBOOT must be enabled.
Background
When using ClusterCTRL with Compute Modules "clusterctrl status" ...