Daily Shaarli

All links of one day in a single page.

April 25, 2021

`bpftrace` Reference Guide
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guider
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Guider is a performance analyzer for almost all systems based on the Linux kernel.

Proxmox Backup Server 1.1

Version 1.1 of the Proxmox Backup Server is based on Debian 10.9 with a 5.4 kernel 5.4 and uses ZFS 2.0.

We Live Migrated 900 VMs!
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The author reports on the challenges of live-migrating 900 Openstack Compute nodes.

YouTube Is Now Building Its Own Video-Transcoding Chips
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YouTube will gain up to 33 times the performance with its custom-built video transcoding units compared to optimized software on traditional servers.

Exploiting Vulnerabilities in Cellebrite UFED and Physical Analyzer From an App's Perspective

Moxie Marlinspike takes a closer look at the Cellebrite UFED equipment: »By a truly unbelievable coincidence, I was recently out for a walk when I saw a small package fall off a truck ahead of me.«

csvq
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csvq: An SQL-like query language for csv.

acme.sh
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acme.sh is an ACME protocol client written purely in Shell (Unix shell) language.

Ubuntu Server 21.04
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Ubuntu Server 21.04 was released. This latest development cycle brings:

  • phased updates
  • native support for Microsoft SQL Server on 20.04 LTS
  • Hardware Enablement (HWE) advanced networking stack for all LTS Ubuntu versions
  • stability updates to HA stack, including pacemaker and corosync
  • Linux kernel 5.11
  • application updates
Remote Code Execution in Homebrew by Compromising the Official Cask Repository
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It was possible to merge malicious pull requests and execute arbitrary Ruby codes on users' machines.

Computer Security World in Mourning Over Death of Dan Kaminsky, Aged 42
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zellij
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zellij is a terminal multiplexer with a layout and plugin system on top.

git-xargs
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git-xargs is a command-line utility that allows the execution of commands on multiple git repositories in parallel.

OpenSSH 8.6

The release notes of OpenSSH 8.6 again start with the deprecation notice for the SHA-1 "ssh-rsa" signature scheme. The new release comes with security and feature improvements.

Don't Leak Your Docker Image's Build Secrets
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In this post, the author gives practical tips on how not to leak secrets when building container images.

CocoaPods Trunk: Remote Code Execution Found

The vulnerability that allowed the execution of arbitrary shell commands on the trunk server was introduced six years ago.

Disasters I've Seen in a Microservices World
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The author illustrates some recurring issues that often arise in architectures based on microservices.

The Infrastructural Power Beneath the Internet as We Know It
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» I've lately been trying an exercise where, when reading anything by or about tech companies, I replace uses of the word "infrastructure" with "means of production." «