Tuesday, June 19, 2018

MSR on Linux

Before trying to access MSR's, make sure to load the MSR driver.
Run > modprobe msr on the command line to load the driver.

Monday, June 18, 2018

First steps in configuring linux server for remote access.

When setting up a new Linux server (in a corporate network) for remote debugging/ssh/whatever, you'll first need to install openssh-server if it isn't installed already. To use apt-get, ensure you have a proxy set up. It is likely you'll need to modify/create /etc/apt/apt.conf, and add the following line to it.

Acquire::http::Proxy "<your-proxy-address-here>:<port>"

After doing this, you should be able to use apt to update and install the latest openssh-server package.

Wednesday, June 13, 2018

Error when scanning ACPI table DMAR

Error when scanning for DMAR table on certain Linux flavors. Highly likely that the BIOS has not reported this table. Check the listing in /sys/firmware/acpi/tables to verify if table DMAR is there or not. If it's not there, the BIOS was probably not configured to report this table. Make sure VT-D is enabled in the BIOS, then reboot the server.

Accessing Repositories for Fedora behind Proxy

By default, even when specifying the proxy address/port user/pwd, Fedora will likely complain about SSL certificates being invalid. In the ...