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Compile iPXE

<?php
$URL="https://raw.githubusercontent.com/panticz/preseed/master/ipxe/scripts/build_ipxe.sh";
echo "wget $URL -qO - | bash -";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

# ToDo: https boot
http://ipxe.org/cfg/crosscert
http://ipxe.org/cfg/trust

Links
http://ipxe.org
http://ipxe.org/download
http://www.coreboot.org/IPXE

Read more about Compile iPXE

Resize filesystem on LVM

extend
lvresize -L +128G /dev/vg01/mx-home
#lvresize -l +100%FREE /dev/vg1/trusty-disk
e2fsck -f /dev/vg01/mx-home
resize2fs -p /dev/vg01/mx-home
e2fsck -f /dev/vg01/mx-home

reduce / shrink
e2fsck -f /dev/vg01/video-media
# start screen, resize2fs can take a long
resize2fs /dev/vg01/video-media 1T
lvreduce -L 1T /dev/vg01/video-media

Read more about Resize filesystem on LVM

Ubuntu 22.04 Jammy Jellyfish

General Information
https://wiki.ubuntu.com/EoanErmine

Schedule
https://wiki.ubuntu.com/EoanErmine/ReleaseSchedule

ReleaseNotes
https://wiki.ubuntu.com/EoanErmine/ReleaseNotes

Download
http://cdimage.ubuntu.com/daily-live/current/ - Daily Live ISO
https://cloud-images.ubuntu.com/minimal/daily/eoan/current/eoan-minimal-cloudimg-amd64.img - minimal cloud image
http://releases.ubuntu.com/19.10/ - releases
http://cdimage.ubuntu.com/releases/Eoan/release/

Read more about Ubuntu 22.04 Jammy Jellyfish

Puppet: PHP5 module

create module structure
mkdir -p /etc/puppet/modules/php5/manifests
mkdir -p /etc/puppet/modules/php5/files

download module definiction
<?php
$URL="https://raw.githubusercontent.com/panticz/puppet/master/modules/php5/init.pp";
echo "wget -q $URL -O /etc/puppet/modules/php5/manifests/init.pp";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

add include to your client in /etc/puppet/manifests/site.pp
node "client1.local" inherits default {
...
include php5
...
}

Example: index.html

Links

Read more about Puppet: PHP5 module

Puppet: Apache module

create module structure
mkdir -p /etc/puppet/modules/apache/manifests
mkdir -p /etc/puppet/modules/apache/files

download module definiction
<?php
$URL="https://raw.githubusercontent.com/panticz/puppet/master/modules/apache/init.pp";
echo "wget -q $URL -O /etc/puppet/modules/apache/manifests/init.pp";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

add include to your client in /etc/puppet/manifests/site.pp
node "client1.local" inherits default {
...
include apache
...
}

Example: index.html
echo "Hello puppet" > /etc/puppet/modules/apache/files/index.html

Links
http://www.panticz.de/install_webserver
http://github.com/example42/puppet-apache

Read more about Puppet: Apache module

Puppet: Xen module

create module structure
mkdir -p /etc/puppet/modules/xen/manifests
mkdir -p /etc/puppet/modules/xen/files

download module definiction
<?php
$URL="https://raw.githubusercontent.com/panticz/puppet/master/modules/xen/init.pp";
echo "wget -q $URL -O /etc/puppet/modules/xen/manifests/init.pp";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

add include to your client in /etc/puppet/manifests/site.pp
node "client1.local" inherits default {
...
include nullmailer
include xen
...
}

Links
http://www.panticz.de/install-xen

Read more about Puppet: Xen module

Puppet: Nullmailer module

create module structure
mkdir -p /etc/puppet/modules/nullmailer/manifests
mkdir -p /etc/puppet/modules/nullmailer/files

download module definiction
<?php
$URL="https://raw.githubusercontent.com/panticz/puppet/master/modules/nullmailer/init.pp";
echo "wget -q $URL -O /etc/puppet/modules/nullmailer/manifests/init.pp";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

add include to your client in /etc/puppet/manifests/site.pp
node "client1.local" inherits default {
...
include nullmailer
...
}

Example: /etc/mailname
example.com

Example: /etc/nullmailer/remotes
smtp.example.com smtp --auth-login --user=YOUR_SMTP_ID --pass=YOUR_SMTP_PASS

Links
http://www.panticz.de/install-nullmailer

Read more about Puppet: Nullmailer module

Icinga objects: commands.cfg

<?php
$URL="https://raw.githubusercontent.com/panticz/icinga/master/objects/commands.cfg";
echo "wget -q $URL -O /etc/icinga/objects/commands.cfg";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

Read more about Icinga objects: commands.cfg

Puppet: Icinga SSH client module

Enable Pluginsync on client
sed -i '/\[main\]/a\pluginsync=true\' /etc/puppet/puppet.conf

create Nullmailer module
http://www.panticz.de/Puppet-Nullmailer-module

create module structure
mkdir -p /etc/puppet/modules/icinga_ssh_client/manifests
mkdir -p /etc/puppet/modules/icinga_ssh_client/files

download module definiction
<?php
$URL="https://raw.githubusercontent.com/panticz/puppet/master/modules/icinga_ssh_client/init.pp";
echo "wget -q $URL -O /etc/puppet/modules/icinga_ssh_client/manifests/init.pp";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

add include to your client in /etc/puppet/manifests/site.pp
node "client1.local" inherits default {
...
include icinga_ssh_client
include nullmailer
...
}

Example: /etc/puppet/modules/icinga_ssh_client/files/id_rsa.pub
ssh-rsa ADAAB3NzaC3yc2EAAAADAEulgMUFyT9y2DaZYXHUdLWvkE9TKE+OVO8jYhmGG2BMmL5Ad3D+flpTMQfpp7EVJg2vTBSiVG4kCVicvb nagios@icinga

# (auto) create new host / object on icinga
cat /etc/icinga/objects/puppet.cfg
define host {
host_name puppet
address 192.168.1.173
use generic-host
hostgroups debian
}

TODO
# (auto) remove old hosts from /var/lib/nagios/.ssh/known_hosts on icinga
# (auto) import new host to /var/lib/nagios/.ssh/known_hosts on icinga

# add raid check
#apt-get install -y hddtemp
#wget -q "http://exchange.nagios.org/components/com_mtree/attachment.php?link_id=341&cf_id=24" -O /usr/lib/nagios/plugins/check_hddtemp
#chmod go+x /usr/lib/nagios/plugins/check_hddtemp

Links
http://serverfault.com/questions/411245/puppetlabs-file-line-type-not-working
http://serverfault.com/questions/238708/adding-lines-to-etc-profile-with-puppet