Ameir Abdeldayem – Page 3

Author: Ameir Abdeldayem

Change Chef Server settings after installation

Posted on April 15, 2014 by

Ameir Abdeldayem Posted in Linux Luvin' — No Comments ↓

Just about every significant aspect of Chef Server is configurable, although the defaults are okay for most. The configuration options are documented at http://docs.opscode.com/config_rb_chef_server_optional_settings.html . Note, though, that the chef-server.rb described in the article was nowhere to be found on my server.…

Use nginx as a reverse proxy to speed up your WordPress site

Posted on April 1, 2014 by

Ameir Abdeldayem Posted in Linux Luvin' — No Comments ↓

Everyone loves speed. That includes your site’s visitors. If you run a WordPress site, WP Super Cache is a pretty cool plugin that generates static files from your dynamic content, and serves those to your users instead of dynamically generating the same…

Update your Ubuntu/Debian servers with Chef

Posted on March 31, 2014 by

Ameir Abdeldayem Posted in Linux Luvin' — No Comments ↓

If you need a hands-off way to update your Ubuntu or Debian servers, Chef’s Knife utility provides an easy way to do this (and parallelize it!). The following will update your packages in an unattended way. In other words, all…

Using autofs with a NAS in Chef

Posted on February 27, 2014 by

Ameir Abdeldayem Posted in Linux Luvin' — No Comments ↓

autofs isn’t so bad, but when it’s been a while, it can make you pull your hair out. Been there, done that. Now here’s the result of that for you to benefit from. This Chef recipe simply installs autofs and…

Installing Chef Server in an OpenVZ Container

Posted on February 21, 2014 by

Ameir Abdeldayem Posted in Linux Luvin' — No Comments ↓

I love OpenVZ, but I was unfortunately never able to successfully install Chef Server in a container; I’ve always had to try it out on KVM or Xen instead. The culprit was the procps package, which refused to install as…

Use X-Forwarded-For in Apache when behind a proxy

Posted on December 18, 2013 by

Ameir Abdeldayem Posted in Tech Corner — No Comments ↓

I love Apache. I love nginx. I love them when they’re alone, and I love them when they’re together. But when they’re together, sometimes they don’t play nice. When behind a proxy, Apache will use the proxy’s IP address in…

Specify multiple redundant Vagrant box URLs

Posted on December 7, 2013 by

Ameir Abdeldayem Posted in Tech Corner — No Comments ↓

Vagrant is awesome, but there are times where you might need to specify redundant/alternative URLs in a Vagrantfile. This could be a failover type scenario, although in my case, I needed it to give external developers access to our Vagrantbox,…

Install bbcp on Ubuntu

Posted on September 12, 2013 by

Ameir Abdeldayem Posted in Linux Luvin' — 4 Comments ↓

bbcp is becoming a hot contender to rsync. Unfortunately, it’s not available by default in Ubuntu 12.04. The steps below will get you going with it. Note that bbcp needs to be installed at both ends of a transfer.

apt-get update
apt-get -y install build-essential zlib1g-dev libssl-dev
wget http://www.slac.stanford.edu/~abh/bbcp/bbcp.tgz
tar xvfz bbcp.tgz
cd bbcp/src
make
mv ../bin/*/bbcp /usr/local/bin/

apt-get update

apt-get -y install build-essential zlib1g-dev libssl-dev

wget http://www.slac.stanford.edu/~abh/bbcp/bbcp.tgz

tar xvfz bbcp.tgz

cd bbcp/src

make

mv ../bin/*/bbcp /usr/local/bin/

…

Chef — knife super quick start

Posted on July 29, 2013 by

Ameir Abdeldayem Posted in Linux Luvin' — No Comments ↓

In this post, I will show you how to get started with the open-source version of Chef using knife. Prerequisites: A working Chef server An admin account on the Chef server A supported version of Linux (this might work on…

Installing SRS extensions on Postfix (Ubuntu/Debian)

Posted on July 20, 2013 by

Ameir Abdeldayem Posted in Linux Luvin' — 11 Comments ↓

Note: This post is heavily based on this article. Install needed dependencies:

apt-get update
apt-get -y install git-core build-essential
apt-get -y install pkg-config libev-dev libpcre3-dev

apt-get update

apt-get -y install git-core build-essential

apt-get -y install pkg-config libev-dev libpcre3-dev

Install libsrs:

PACKAGE=libsrs2-1.0.18
wget http://www.libsrs2.org/srs/$PACKAGE.tar.gz
tar xvfz $PACKAGE.tar.gz
cd $PACKAGE
./configure
make
make install

PACKAGE=libsrs2-1.0.18

wget http://www.libsrs2.org/srs/$PACKAGE.tar.gz

tar xvfz $PACKAGE.tar.gz

cd $PACKAGE

./configure

make

make install

Install pfix-srsd:

git clone --recursive https://github.com/Fruneau/pfixtools.git
cd pfixtools/common
make
cd ../pfix-srsd/
make
make install

git clone --recursive https://github.com/Fruneau/pfixtools.git

cd pfixtools/common

make

cd ../pfix-srsd/

make

make install

Update libraries:

ldconfig

ldconfig

Create secrets:

for i in {1..100}; do
  (date +%s%N | sha256sum | base64 -w0; echo ) >> /etc/postfix/pfix-srs.secrets
done
chmod 400 /etc/postfix/pfix-srs.secrets

for i in {1..100}; do

(date +%s%N | sha256sum | base64 -w0; echo ) >> /etc/postfix/pfix-srs.secrets

done

chmod 400 /etc/postfix/pfix-srs.secrets

Save to /etc/default/pfix-srsd:

DOMAIN=mydomain.com
SECRETS=/etc/postfix/pfix-srs.secrets
OPTIONS=-I

DOMAIN=mydomain.com

SECRETS=/etc/postfix/pfix-srs.secrets

OPTIONS=-I

Save to /etc/init.d/pfix-srsd:

#!/bin/sh
### BEGIN INIT INFO
# Provides:          pfix-srsd
# Required-Start:    $local_fs $remote_fs
# Required-Stop:     $local_fs $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: pfixtools SRS Daemon backend for Postfix
### END INIT INFO

PFIXSRSD_CONFIG="/etc/default/pfix-srsd"
NAME="pfix-srsd"
DAEMON="/usr/local/sbin/pfix-srsd"
PID_FILE="/var/run/pfix-srsd.pid"

if [ -f $PFIXSRSD_CONFIG ]; then
  . $PFIXSRSD_CONFIG
else
  exit 0
fi
test -x $DAEMON || exit 0
case "$1" in
  start)
    echo -n "Starting Postfix SRS Daemon: $NAME"
    start-stop-daemon -S -q -b -p $PID_FILE -x $DAEMON -- -p $PID_FILE $OPTIONS $DOMAIN $SECRETS
    echo "."
    ;;
  stop)
    echo -n "Stopping Postfix SRS Daemon: $NAME"
    if [ -f $PID_FILE ]; then
      kill `cat $PID_FILE`
      rm $PID_FILE
    fi
    echo "."
    ;;
  restart)
    $0 stop
    $0 start
    ;;
  force-reload)
    $0 restart
    ;;
  *)
    echo "Usage: $0 start|stop|restart|force-reload"
    exit 1
    ;;
esac

#!/bin/sh

### BEGIN INIT INFO

# Provides: pfix-srsd

# Required-Start: $local_fs $remote_fs

# Required-Stop: $local_fs $remote_fs

# Default-Start: 2 3 4 5

# Default-Stop: 0 1 6

# Short-Description: pfixtools SRS Daemon backend for Postfix

### END INIT INFO

PFIXSRSD_CONFIG="/etc/default/pfix-srsd"

NAME="pfix-srsd"

DAEMON="/usr/local/sbin/pfix-srsd"

PID_FILE="/var/run/pfix-srsd.pid"

if [ -f $PFIXSRSD_CONFIG ]; then

. $PFIXSRSD_CONFIG

else

exit 0

test -x $DAEMON || exit 0

case "$1" in

start)

echo -n "Starting Postfix SRS Daemon: $NAME"

start-stop-daemon -S -q -b -p $PID_FILE -x $DAEMON -- -p $PID_FILE $OPTIONS $DOMAIN $SECRETS

echo "."

;;

stop)

echo -n "Stopping Postfix SRS Daemon: $NAME"

if [ -f $PID_FILE ]; then

kill `cat $PID_FILE`

rm $PID_FILE

echo "."

;;

restart)

$0 stop

$0 start

;;

force-reload)

$0 restart

;;

echo "Usage: $0 start|stop|restart|force-reload"

exit 1

;;

esac

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Author: Ameir Abdeldayem

Change Chef Server settings after installation

Use nginx as a reverse proxy to speed up your WordPress site

Update your Ubuntu/Debian servers with Chef

Using autofs with a NAS in Chef

Installing Chef Server in an OpenVZ Container

Use X-Forwarded-For in Apache when behind a proxy

Specify multiple redundant Vagrant box URLs

Install bbcp on Ubuntu

Chef — knife super quick start

Installing SRS extensions on Postfix (Ubuntu/Debian)

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