Install LXC (Linux Containers) under Ubuntu

Installation
apt install -y bridge-utils debootstrap lxc-templates lxc
http://www.panticz.de/install_lxc

Create container
export LANG=en_US.UTF-8
export CONTAINER=wheezy

sudo sudo lxc-destroy -n ${CONTAINER}
sudo lxc-create -t debian -n ${CONTAINER}
sudo lxc-start -d -n ${CONTAINER}

echo 'Acquire::http::Proxy "http://apt-cacher:3142/";' | sudo tee /var/lib/lxc/${CONTAINER}/rootfs/etc/apt/apt.conf

sudo lxc-attach -n ${CONTAINER} -- apt-get clean
sudo lxc-attach -n ${CONTAINER} -- apt-get update

Create IPfire DomU (firewall)

Check for latest IPFire version
http://downloads.ipfire.org/

<?php
$URL="https://raw.githubusercontent.com/panticz/xen/master/domains/ipfire.sh";
echo "wget $URL -O - | 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 "

";
?>

# OPTIONAL
sed -i 's|phy:/dev/vg0/fw-|file:/root/ipfire-|g' /etc/xen/fw
sed -i 's|,xvda|.img,xvda|g' /etc/xen/fw

# configure ipfire in terminal

# webinterface
https://YOUR_DOMU_IP:444

# Links
http://wiki.ipfire.org/de/addons/virtualisation/howto/debian_wheezy_xen_4.1?&#debian_wheezy_mit_xen_41_als_dom0
http://wiki.ipfire.org/de/addons/virtualisation/howto/debian_als_dom0_xen#xen_und_kernel_installieren
http://wiki.ipfire.org/de/addons/virtualisation/howto/debian_xen_4.x

Magento Cache

get all cache types
Mage::app()->getCacheInstance()->getTypes();

types
Mage::app()->getCacheInstance()->cleanType('config');
Mage::app()->getCacheInstance()->cleanType('layout');
Mage::app()->getCacheInstance()->cleanType('block_html');
Mage::app()->getCacheInstance()->cleanType('translate');
Mage::app()->getCacheInstance()->cleanType('collections');
Mage::app()->getCacheInstance()->cleanType('eav');
Mage::app()->getCacheInstance()->cleanType('config_api');

clear cache
Mage::app()->cleanCache();

Magento: Update footer copyright year

PHP script (/root/scripts/update_copyright_year.php)
<?php
$URL="https://raw.githubusercontent.com/panticz/magento/master/scripts/update_copyright_year.php";
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 "

";
?>

Cronjob (/etc/cron.d/newyear)
0 0 1 1 * root /root/scripts/update_copyright_year.php

Use in CMS block
{{config path='design/footer/copyright'}}

Dep: Update by SQL
update core_config_data
set value = CONCAT('© ', YEAR(CURDATE()), ' YOUR COMPANY INC.')
where path = 'design/footer/copyright';

Links
http://www.panticz.de/Magento-Cache

DHCPD

Add static DHCP entry
# create new entry
uci add dhcp host
uci set dhcp.@host[-1].name='srv1'
uci set dhcp.@host[-1].mac='00:01:02:25:96:99'
uci set dhcp.@host[-1].ip='192.168.2.55'
uci commit dhcp

# restart dhcpd server
/etc/init.d/dnsmasq restart

Magento: Update custom core config data and refresh cache to view the changes

<?php
$URL="https://raw.githubusercontent.com/panticz/magento/master/scripts/update_stocklist_number.php";
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 "

";
?>

Links
http://inchoo.net/ecommerce/magento/how-to-programmatically-change-magentos-core-config-data/
http://makandracards.com/magento/8277-cache-clearing-and-general-information

Ubuntu / Debian: Install and configure lm-sensors

<?php
$URL="https://raw.githubusercontent.com/panticz/installit/master/install.lm-sensors.sh";
echo "wget -q $URL -O - | 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 "

";
?>

Search for motherboard configuration
sudo dmidecode -t baseboard | grep "Product Name"
http://www.lm-sensors.org/wiki/Configurations/

Ignore sensors
# /etc/sensors.d/f71882fg-isa-0a00
chip "f71882fg-isa-0a00"
ignore fan2
ignore fan4

Motherboard configurations
# MSI X58 Pro-E (MS-7522) / Fintek f71882fg
echo "f71882fg" >> /etc/modules
echo "#coretemp" >> /etc/modules
modprobe f71882fg
wget http://dl.panticz.de/lm-sensors/ms-7522.conf -O /etc/sensors.d/f71882fg.conf
sensors -s

# ASUS M2N32 WS Professional
cat /etc/sensors.d/asus_m2n.conf
wget http://dl.panticz.de/lm-sensors/m2n32_ws_professional.conf -O /etc/sensors.d/m2n32_ws_professional.conf

# SuperMicro PDSMi-LN4+
wget http://dl.panticz.de/lm-sensors/pdsmi-ln4.conf -O /etc/sensors.d/pdsmi-ln4.conf

View raw sensor data
sensors -u

# default config file
/etc/sensors3.conf

# view hardwired? fan alarm value
cat /sys/class/hwmon/hwmon8/device/fan1_alarm

OPTIONAL: check with icinga
/usr/lib/nagios/plugins/check_sensors

Links
http://www.lm-sensors.org/wiki/Configurations/MSI/X58-Pro-E
http://www.lm-sensors.org/wiki/FAQ/Chapter3#HowdoIsetnewlimits

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