ReliaQuest observed attackers pairing ClickFix with the PySoxy proxy tool to establish redundant encrypted access paths and ...

Weekly cybersecurity recap covering zero-days, malware, phishing, supply chain attacks, cloud threats, AI security risks, and ...

The actively exploited flaw builds on Dirty Pipe and Copy Fail techniques to overwrite page cache and gain full system ...

In this post, we will show you how to change the starting Default Directory that opens when you launch Command Prompt on a Windows 11 PC. When you open Command Prompt (CMD), it usually starts in the ...

很多运维新手从 MySQL 转向 PG 时，会习惯性沿用 mysqldump 的思路使用 pg_dump，却忽略了两者的核心差异，最终导致备份失败、数据无法恢复、权限报错等问题。其实 PG 在一致性备份方面（MVCC）具有天然优势，但安全性仍取决于权限配置与备份策略，细节上的坑 ...

AWS工程师报告，Linux 7.0内核（开发中）下，PostgreSQL性能大幅下降。 arm64架构Graviton4服务器测试：吞吐量仅为上一内核版本的51%。 问题根源 用户空间自旋锁占用时间显著增加。 推测与Linux 7.0引入的内核抢占模式限制有关。（内核抢占：允许内核在执行过程中被 ...

An AWS engineer reported on April 3 that PostgreSQL throughput dropped to roughly half on Linux 7.0, with benchmark data tracing the cause to a deliberate kernel change that removed the PREEMPT_NONE ...

To use the Get Help command-line tool, you have to download it from the official Microsoft website. The Get Help command-line utility is for Microsoft 365 administrators. If you are a normal user, ...

Microsoft has announced the Store CLI, a command-line interface for managing and installing Windows apps from the Microsoft Store. It's similar to WinGet, except the Store CLI only works for apps that ...

The command line isn't required when using Linux. To truly maximize your Linux experience, you should still learn it. Some commands are more useful than others. Before we begin, I want to be clear: ...