Windows Shell Items Analysis

Windows 10 shell items are metadata files that hold details about various objects in the Windows operating system, including shortcuts, files, and folders. These items are invaluable for forensic investigations because they provide insights into the location and usage of these objects.

To perform shell item forensics on Windows 10, you can use forensic tools such as Autopsy, EnCase, or Belkasoft Evidence Center, which are capable of extracting and analyzing shell item metadata. Additionally, manual analysis of shell items is possible using the Windows Shellbags parser, a tool that extracts and interprets the binary data stored in shell item files.. read more...

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Fixing Unix/Linux/POSIX Filenames

Traditionally, Unix/Linux/POSIX filenames can be almost any sequence of bytes, and their meaning is unassigned. The only real rules are that "/" is always the directory separator, and that filenames can't contain byte 0 (because this is the terminator). Although this is flexible, this creates many unnecessary problems. In particular, this lack of limitations makes it unnecessarily difficult to write correct programs (enabling many security flaws), makes it impossible to consistently and accurately display filenames, causes portability problems, and confuses users. more ....

Noisy Neighbor Detection with eBPF.

T he Compute and Performance Engineering teams at Netflix regularly investigate performance issues in our multi-tenant environment. The first step is determining whether the problem originates from the application or the underlying infrastructure. One issue that often complicates this process is the "noisy neighbor" problem. On Titus, our multi-tenant compute platform, a "noisy neighbor" refers to a container or system service that heavily utilizes the server's resources, causing performance degradation in adjacent containers. We usually focus on CPU utilization because it is our workloads’ most frequent source of noisy neighbor issues, read more

Backing up MySQL data.

Backing up files and directories is relatively easy; databases, however, have some special quirks that you need to address. Our examples use MySQL, but the same principles apply to PostgreSQL and other relational databases. This article is excerpted from O'Reilly's recently published book Linux System Administration .

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