Tag Archives: Linux

Data Safety and Efficiency with Rdiff-backup

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For more than a decade, Rdiff-backup has been our preferred choice for developing Minarca Data Backup software, an efficient data backup process management solution tailored for system administrators. Integrated into Minarca, Rdiff-backup offers a range of advantages that make it an optimal, robust, and easily accessible solution for managing data backups. In this article, we delve into the technical aspects that set Rdiff-backup apart, making it a go-to choice for data backup requirements.

Source: LXer – Data Safety and Efficiency with Rdiff-backup

Richard Stallman in Prague: Unyielding Spirit Amidst Health Challenges

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The Free Software community witnessed a blend of resilience and unwavering dedication as Richard Stallman made a poignant appearance at the Hackers Congress Paralelní Polis 2023 in Prague on October 1, 2023. Despite battling a severe health condition, Stallman’s presence at the congress underscored his enduring commitment to the Free Software ideology.

Source: LXer – Richard Stallman in Prague: Unyielding Spirit Amidst Health Challenges

[$] BPF and security

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The eBPF in-kernel virtual machine is
approaching its tenth anniversary as part of Linux; it has grown into a
tool with many types of uses in the ecosystem. Alexei Starovoitov, who
was the creator of eBPF and did much of the development of it, especially
in the early going, gave the opening talk at
Linux
Security Summit Europe 2023 on the relationship between BPF and
security. In it, he related some interesting history, from a somewhat
different perspective than what is often described, he said. Among other
things, it shows how BPF
has been both a security problem and a security solution along the way.

Source: LWN.net – [$] BPF and security

OpenSSH 9.5 released

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OpenSSH 9.5 is out. Significant changes include a transport-level ping
mechanism and keystroke timing obfuscation:

This attempts to hide inter-keystroke timings by sending
interactive traffic at fixed intervals (default: every 20ms) when
there is only a small amount of data being sent. It also sends fake
“chaff” keystrokes for a random interval after the last real
keystroke. These are controlled by a new ssh_config
ObscureKeystrokeTiming keyword.



Source: LWN.net – OpenSSH 9.5 released