Linux Kernel 4.6 Has Reached End of Life, Users Urged To Move To Linux 4.7.1

Reader prisoninmate writes: Immediately after announcing the availability of the first point release for the Linux 4.7 kernel series, Greg Kroah-Hartman also informed the community about the launch of Linux kernel 4.6.7, which is the seventh maintenance update for the Linux 4.6 stable kernel branch, but it also looks like it’s the last one for the series, which has now officially reached end of life. Therefore, if you’re using a GNU/Linux operating system powered by a kernel from the Linux 4.6 branch, you are urged to move to Linux kernel 4.7 as soon as possible by installing the brand new Linux kernel 4.7.1 build.

Read more of this story at Slashdot.


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Context aware MySQL pools via HAProxy

At GitHub we use MySQL as our main datastore. While repository data lies in git, metadata is stored in MySQL. This includes Issues, Pull Requests, Comments etc. We also auth against MySQL via a custom git proxy (babeld). To be able to serve under the high load GitHub operates at, we use MySQL replication to scale out read load.

We have different clusters to provide with different types of services, but the single-writer-multiple-readers design applies to them all. Depending on growth of traffic, on application demand, on operational tasks or other constraints, we take replicas in or out of our pools. Depending on workloads some replicas may lag more than others.

Displaying up-to-date data is important. We have tooling that helps us ensure we keep replication lag at a minimum, and typically it doesn’t exceed 1 second. However sometimes lags do happen, and when they do, we want to put aside those


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How to create Docker Images with a Dockerfile

In this tutorial, I will show you how to create your own docker image with a dockerfile. A Dockerfile is a script that contains collections of commands and instructions that will be automatically executed in sequence in the docker environment for building a new docker images. As example, we will create a Nginx Web server with PHP-FPM.


Original URL: https://www.howtoforge.com/tutorial/how-to-create-docker-images-with-dockerfile/

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It’s time to say goodbye to Linux 4.6

If you’re using a version of Linux based on the 4.6 series of the kernel, the software’s lead maintainer has a message for you: It’s time to upgrade.
Greg Kroah-Hartman on Tuesday announced the arrival of Linux 4.6.7 and made it clear that it will be the last in the kernel’s 4.6 series. Version 4.7.1 made its debut on Tuesday as well, and that’s where the future lies, Kroah-Hartman said.
“This is the LAST 4.6.y kernel to be released,” he wrote in the 4.6.7 announcement. “Please move to 4.7.1 now, you have been warned.”To read this article in full or to leave a comment, please click here


Original URL: http://www.computerworld.com/article/3108953/linux/its-time-to-say-goodbye-to-linux-46.html#tk.rss_all

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The Joy of Coding Humble Book Bundle Features Cheap Guides for a Variety of Coding Languages and Concepts

The Humble Book Bundle has released a new collection of books aimed at coders called The Joy of Coding. It comes packed with several books from No Starch Press that teach a variety of coding languages and concepts.Read more…


Original URL: http://feeds.gawker.com/~r/lifehacker/full/~3/Bk2UCShruLs/the-joy-of-coding-humble-book-bundle-features-cheap-gui-1785412184

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Rate Limits

Last updated: August 10, 2016 | See all Documentation

Let’s Encrypt provides rate limits to ensure fair usage by as
many people as possible. We believe these rate limits are high enough to work
for most people by default. We’ve also designed them so renewing a
certificate almost never hits a rate limit, and so that large
organizations can gradually increase the number of certificates they can issue
without requiring intervention from Let’s Encrypt.

If you’re actively developing or testing a Let’s Encrypt client, please utilize
our staging environment instead of the production API.

The main limit is Certificates per Registered Domain (20 per week). A
registered domain is, generally speaking, the part of the domain you purchased
from your domain name registrar. For instance, in the name www.example.com,
the registered domain is example.com. In new.blog.example.co.uk,
the registered domain is example.co.uk. We use the
Public Suffix List to calculate the registered
domain.

If you have a lot of subdomains, you may want to combine them into


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