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OpenZFS – dRAID, Finally
Learn about dRAID in OpenZFS 2.1. Explore its data protection capabilities, distributed hot spares, faster resilvering, and enhanced performance in this article.
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The latest blog posts to take off on Hacker News. 2,560 posts.
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Many small queries are efficient in SQLite
200 SQL statements per webpage is excessive for client/server database engines like MySQL, PostgreSQL, or SQL Server.
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Faster JavaScript Calls
Faster JavaScript calls by removing the arguments adaptor frame
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Uncovering a 24-year-old bug in the Linux Kernel
How a failing rsync run led to the discovery of a long-standing bug in the Linux TCP implementation.
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ReactOS Updates
ReactOS is a free, opensource reimplementation of windows
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Haiku Activity Report – January 2021
Hello everyone, apparently we made it to 2021! This year we will see the 20th anniversary of Haiku. This report covers hrev54806-hrev54947. Architectures, ports, bootloaders PulkoMandy fixed the build of the openfirmware bootloader for PowerPC. It …
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Android emulator abused to introduce malware onto PCs
Attackers have compromised the software distribution system of BigNox, developer of a popular Android emulator for PCs and Macs.
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The effect of switching to TCMalloc on RocksDB memory use
Memory allocator is an important part of the system, so choosing the right allocator for a workload can give huge benefits. Here is a story of how we decreased service memory usage by almost three times.
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Slack’s Outage on January 4th 2021
And now we welcome the new year. Full of things that have never been. — Rainer Maria Rilke January 4th 2021 was the first working day of the year for many around the globe, and for most of us at Slack too (except of course for our on-callers and our customer experience team, who never…
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Making our new homepage fast and performant
This post is the third installment of our five-part series on building GitHub’s new homepage: How our globe is built How we collect and use the data behind the globe…
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We rendered a million web pages to find out what makes the web slow
We rendered the top 1 million pages on the web, tracking every conceivable performance metric, logging every error, noting every requested URL. To our knowledge this produces the first dataset that connects performance, errors, and library use on the web. In this article we analyze what the data can tell us about…
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System separation in the Continental Europe Synchronous Area on 8 January 2021
On 8 January 2021 at 14:05 CET the synchronous area of Continental Europe was separated into two parts due to outages of several transmission network elements in a very short time. ENTSO-E has published the first information on the event already on 8 January 2021, followed by an update with geographical view and time…
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PostgreSQL on ARM-Based AWS EC2 Instances
With the second gen of Graviton2 instances announced, we decided to take a look at the price/performance from the standpoint of running PostgreSQL.
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How We Ported Linux to the M1
Virtual iOS, Android, and Arm devices to speed up security testing, research, and DevSecOps for security teams, mobile pentesters, and software developers.
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Porting Firefox to Apple Silicon
The release of Apple Silicon based Macs at the end of last year generated a flurry of news and some surprises at the machine’s performance.
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Red Hat announces no-cost RHEL for small production environments
Introducing new no-cost RHEL programs for small production deployments and enterprise development teams.
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BitLocker Lockscreen Bypass
BitLocker is a modern data protection feature that is deeply integrated in the Windows kernel. It is used by many corporations as a means of protecting company secrets in case of theft. Microsoft recommends that you have a Trusted Platform Module which can do some of the heavy cryptographic lifting for you.
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FreeBSD 2020 Q4 Status Report
This report covers FreeBSD related projects for the period between October and December, and is the fourth of four planned reports for 2020.
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Escaping VirtualBox 6.1: Part 1
This post is about a VirtualBox escape for the latest currently available version (VirtualBox 6.1.16 on Windows). The vulnerabilities were discovered and exploited by our team Sauercl0ud as part of the RealWorld CTF 2020/2021. The vulnerability was known to the organizers, requires the guest to be able to insert…
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Redox OS 0.6.0
The Redox official website
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Jepsen: Scylla 4.2-rc3
Scylla is a distributed wide-column 1 database which originated as a C++ port of Cassandra, aiming for improved performance. It supports both Cassandra- and DynamoDB -compatible APIs, and is intended for high-throughput, low-latency workloads, including analytics, messaging, and other time-series data.
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Tokio 1.0 – async runtime for Rust
Tokio is a runtime for writing reliable asynchronous applications with Rust. It provides async I/O, networking, scheduling, timers, and more.
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Xfce 4.16
Today, after 1 year and 4 months of work, we are happy to announce the release of the Xfce desktop 4.16, a new stable version that supersedes Xfce 4.14.