mynameispj

# Ignore docs files
styles/.sass-cache
styles/.sass-cache/*

# Not working? 
# Try: http://stackoverflow.com/questions/11451535/gitignore-not-working
# Try: http://stackoverflow.com/questions/1139762/gitignore-file-not-ignoring

abrahamrhoffman

CentOS 7 Kickstart File - HOWTO Build ISO

There is so much documentation online from RedHat and CentOS about this topic - it's sad that I am writing this. But the real state of documentation on this topic (CentOS 7 + KS + ISO = Bootable DVD) is almost non-existent.

I found this: http://smorgasbork.com/component/content/article/35-linux/151-building-a-custom-centos-7-kickstart-disc-part-1

Which I greatly appreciate and +1, but the documentation is half-baked and there are numerous errors.

Finally... FINALLY! After four days of banging my head, I got this to work. Hopefully someone else will be able to do this in a few hours, instead of blowing their weekend like me. :(

marvell

apt-get clean autoclean
apt-get autoremove --yes
rm -rf /var/lib/{apt,dpkg,cache,log}/

joewiz

On Tue Oct 27, 2015, history.state.gov began buckling under load, intermittently issuing 500 errors. Nginx's error log was sprinkled with the following errors:

2015/10/27 21:48:36 [crit] 2475#0: accept4() failed (24: Too many open files)

2015/10/27 21:48:36 [alert] 2475#0: *7163915 socket() failed (24: Too many open files) while connecting to upstream...

An article at http://www.cyberciti.biz/faq/linux-unix-nginx-too-many-open-files/ provided directions that mostly worked. Below are the steps we followed. The steps that diverged from the article's directions are marked with an *.

1. * Instead of using su to run ulimit on the nginx account, use ps aux | grep nginx to locate nginx's process IDs. Then query each process's file handle limits using cat /proc/pid/limits (where pid is the process id retrieved from ps). (Note: sudo may be necessary on your system for the cat command here, depending on your system.)
2. Added fs.file-max = 70000 to /etc/sysctl.conf

phith0n

FROM alpine:3.3
MAINTAINER Didiet Noor <dnoor@kulina.id> (@lynxluna)


# Patch APK Mirror to YKode
RUN echo "http://dl-4.alpinelinux.org/alpine/v3.3/main" > /etc/apk/repositories

ENV TIMEZONE Asia/Shanghai
ENV PHP_MEMORY_LIMIT 512M
ENV MAX_UPLOAD 50M

tomysmile

Firstly install Brew on your MAC

• ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Then install PHP

• brew update
• brew tap homebrew/dupes
• brew tap homebrew/php
• brew install php56

lukechilds

get_latest_release() {
  curl --silent "https://api.github.com/repos/$1/releases/latest" | # Get latest release from GitHub api
    grep '"tag_name":' |                                            # Get tag line
    sed -E 's/.*"([^"]+)".*/\1/'                                    # Pluck JSON value
}

# Usage
# $ get_latest_release "creationix/nvm"
# v0.31.4

devisnotnull

Installing Kubernetes on Proxox

For this example i shall be using a dedicated server from Hertzner.https://www.hetzner.de/en/. A shout out to hetzner if your looking for cheap and beefy dedicated hosting then these guys are your best bet.

Setting up the Hertzer server

This guide assumes your server has Debian 8 (Jessie installed)

Config when tested

kekru

• Open a webpage that uses the CA with Firefox
• Click the lock-icon in the addressbar -> show information -> show certificate
• the certificate viewer will open
• click details and choose the certificate of the certificate-chain, you want to import to CentOS
• click "Export..." and save it as .crt file
• Copy the .crt file to /etc/pki/ca-trust/source/anchors on your CentOS machine
• run update-ca-trust extract
• test it with wget https://thewebsite.org

bufadu

How to build a load balancer with BGP and ECMP using VyOS

According to this cloudflare blog article "Load Balancing without Load Balancers", we can build a rock-solid load balancer only using a router. All the magic comes from BGP and Equal-Cost Multi-Path routing.

In this howto, I will use bird as BGP router on linux instance (ie. servers).

Test environment

I use GNS3 with this architecture :