RT @ripencc: Today, at 15:35, we made our final /22 IPv4 allocation from the last remaining addresses in our available pool. We have now ru… 2 weeks ago

RT @hellasdirect: Sotiris Tsimbonis, our infrastructure and automation lead, has been with us from day 1. Today, we are proud to see him ex… 1 month ago

#WWDC19 6 months ago

RT @RedHatSummit: Let’s keep the excitement going! 🎉Join us in the Ecosystem Expo Hall to celebrate the general release of #RHEL8 https://t… 7 months ago

RT @hellasdirect: Best Workplace για μία ακόμη φορά η @hellasdirect στα φετινά βραβεία @GPTW_GR 😃 #rethink #BestWorkplaces #proud https://t… 8 months ago

Woohoo! Our copy of Ship It: The Game of Product Management by @PostlightStudio has arrived! Time to play and… twitter.com/i/web/status/1… 1 year ago

@Fosscomm2018 Το stream της αίθουσας Α2 δεν έχει ήχο, please fix 1 year ago

Thank you @hellasdirect for the love and wonderful #SysAdminDay surprise this morning! <3 photos.app.goo.gl/TNaxg1ZXiB3WjP… 1 year ago

Congrats @skaragiannis ! twitter.com/SpaceHellas/st… 1 year ago

RT @DevOpsGathering: It's time to say Goodbye ☹️ It was really a pleasure and fun meeting all of you! 💝🤓 Thank you especially to those who… 1 year ago

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Linux Weekly News

[$] Explicit pinning of user-space pages

The saga of get_user_pages() — and the problems it causes within the kernel — has been extensively chronicled here; see the LWN kernel index for the full series. In short, get_user_pages() is used to pin user-space pages in memory for some sort of manipulation outside of the owning process(es); that manipulation can sometimes surprise other parts of the kern […]

corbet

Security updates for Friday

Security updates have been issued by Fedora (knot-resolver and xen), openSUSE (kernel), and SUSE (haproxy, kernel, and openssl).

jake

[$] Buffered I/O without page-cache thrashing

Linux offers two modes for file I/O: buffered and direct. Buffered I/O passes through the kernel's page cache; it is relatively easy to use and can yield significant performance benefits for data that is accessed multiple times. Direct I/O, instead, goes straight between a user-space buffer and the storage device. It can be much faster for situations wh […]

corbet

Security updates for Thursday

Security updates have been issued by CentOS (firefox and nss-softokn), Fedora (samba), Oracle (nss, nss-softokn, nss-util, nss-softokn, and thunderbird), Scientific Linux (thunderbird), SUSE (firefox), and Ubuntu (librabbitmq and samba).

jake

[$] LWN.net Weekly Edition for December 12, 2019

The LWN.net Weekly Edition for December 12, 2019 is available.

corbet

[$] Working toward securing PyPI downloads

An effort to protect package downloads from the Python Package Index (PyPI) has resulted in a Python Enhancement Proposal (PEP) and, perhaps belatedly, some discussion in the wider community. The basic idea is to use The Update Framework (TUF) to protect PyPI users from some malicious actors who are aiming to interfere with the installation and update of Pyt […]

jake

Security updates for Wednesday

Security updates have been issued by Arch Linux (crypto++ and thunderbird), Debian (cacti, freeimage, git, and jackson-databind), Fedora (nss), openSUSE (clamav, dnsmasq, munge, opencv, permissions, and shadowsocks-libev), Red Hat (nss, nss-softokn, nss-util, rh-maven35-jackson-databind, and thunderbird), Scientific Linux (nss, nss-softokn, nss-util, nss-sof […]

ris

Behind the One-Way Mirror (EFF)

The Electronic Frontier Foundation has posted a detailed study on third-party corporate surveillance on the Internet (and beyond). "Both Google and Apple encourage developers to use ad IDs for behavioral profiling in lieu of other identifiers like IMEI or phone number. Ostensibly, this gives users more control over how they are tracked, since users can […]

corbet

[$] OpenBSD system-call-origin verification

A new mechanism to help thwart return-oriented programming (ROP) and similar attacks has recently been added to the OpenBSD kernel. It will block system calls that are not made via the C library (libc) system-call wrappers. Instead of being able to string together some "gadgets" that make a system call directly, an attacker would need to be able to […]

jake

[$] New features for the Kubernetes scheduler

The Kubernetes scheduler is being overhauled with a series of improvements that will introduce a new framework and enhanced capabilities that could help cluster administrators to optimize performance and utilization. Abdullah Gharaibeh, co-chair of the Kubernetes scheduling special interest group (SIG Scheduling), detailed what has been happening with the sc […]

jake

	Michail στη Ελληνικά ή Αγγλικά;
	adamo στη Ελληνικά ή Αγγλικά;
	Michail στη Ελληνικά ή Αγγλικά;
	Michail στη Ελληνικά ή Αγγλικά;
	cvi going distribute… στη version control for important…
	bilias στη It’s a girl!
	Sotiris Tsimbonis στη It’s a girl!
	kioan στη It’s a girl!
	kzorba στη It’s a girl!
	Sotiris Tsimbonis στη It’s a girl!

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