Tag: Unix

  • Hacker News: WebSockets cost us $1M on our AWS bill

    Source URL: https://www.recall.ai/post/how-websockets-cost-us-1m-on-our-aws-bill? Source: Hacker News Title: WebSockets cost us $1M on our AWS bill Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses the optimization of inter-process communication (IPC) for video processing on AWS, revealing unexpected CPU usage patterns linked to WebSocket implementation, and the shift to shared memory transport to…

  • Hacker News: Abusing Ubuntu 24.04 features for root privilege escalation

    Source URL: https://snyk.io/blog/abusing-ubuntu-root-privilege-escalation/ Source: Hacker News Title: Abusing Ubuntu 24.04 features for root privilege escalation Feedly Summary: Comments AI Summary and Description: Yes **Summary:** The text presents a detailed case study of a vulnerability exploitation chain discovered in Ubuntu 24.04, demonstrating a privilege escalation from a default user to root through the improper handling of…

  • Hacker News: WebSockets cost us $1M on our AWS bill

    Source URL: https://www.recall.ai/post/how-websockets-cost-us-1m-on-our-aws-bill Source: Hacker News Title: WebSockets cost us $1M on our AWS bill Feedly Summary: Comments AI Summary and Description: Yes **Summary:** The text provides an in-depth analysis of optimizing inter-process communication (IPC) in a cloud computing environment, particularly within AWS, leading to significant cost reduction. It highlights the inefficiencies of using WebSockets…

  • Slashdot: Local Privilege Escalation Vulnerability Affecting X.Org Server For 18 Years

    Source URL: https://it.slashdot.org/story/24/10/29/2029233/local-privilege-escalation-vulnerability-affecting-xorg-server-for-18-years?utm_source=rss1.0mainlinkanon&utm_medium=feed Source: Slashdot Title: Local Privilege Escalation Vulnerability Affecting X.Org Server For 18 Years Feedly Summary: AI Summary and Description: Yes Summary: The text discusses CVE-2024-9632, a security vulnerability in the X.Org Server that has persisted for 18 years. This flaw could allow for local privilege escalation and is critical for professionals involved…