When running newer operating systems as Docker containers on older host systems—such as Ubuntu 20.04 or CentOS 7—a compatibility issue arises due to a new glibc call (clone3) not translating correctly to the older glibc (<=2.34) of the host system, resulting in the call being incorrectly translated, and blocked. One workaround to this issue involves…
GRUB2 password protection, secure Ubuntu boot loader, prevent unauthorised boot menu changes, enhance system security. In previous posts in this blog I have explained how to protect the system by disk encryption with a password retrial from the TPM. In another post, I have given some wider overview of system security and protection, but there…
History file is a great source of information, either if you do not remember your past actions, or if you are not a single administrator of a system, and you need to figure out what has been performed on it in the past. Unfortunately, history is not a very reliable source of information – the…
Hi. As some know now, I have an article about encrypting and protecting Linux – while using TPM to prevent the need to enter the encryption passphrase every time the system boots. This is one of the most popular article in this blog, and for a very good reason – people want their computers (especially…
