London
2025-02-14
The Linux kernel can produce a hung task warning. Searching the Internet and the kernel docs, you can find a brief explanation that the process is stuck in the uninterruptible state....
2023-11-17
The initial posts are dedicated to the x86 architecture. Since then, the fleet of our working machines has expanded to include a large and growing number of ARM CPUs. This time we’ll repeat this exercise for the aarch64 architecture....
2023-05-11
If you run your software on Linux, the Linux Kernel itself can satisfy all your cryptographic needs! In this post we will explore Linux Crypto API for user applications and try to understand its pros and cons...
2022-11-28
Many leaks happen because of software bugs and security vulnerabilities. In this post we will learn how the Linux kernel can help protect cryptographic keys from a whole class of potential security vulnerabilities: memory access violations....
2020-11-05
We use ClickHouse widely at Cloudflare. It helps us with our internal analytics workload, bot management, customer dashboards, and many other systems. ...
