This little tutorial shows, how to disable touchpad under Ubuntu (v. 16.04) permanently. The reason is, that I generally use only the red trackpoint of my Lenovo T530 as a pointing device. I don’t need a touchpad anyway. But when working with the trackpoint, I accidentally touch the touchpad with my thumbs many times. That […]
In the past I already wrote articles about the very genius tool Magerun from Netz98, that I nearly use on every Magento project. Recently I had the challenge to run three instances of Magerun on the same physical server with only one shell account. This was necessary because I ordered a big cluster from maxcluster for […]
This code snippet shows how to change attribute scope in a setup script: <?php /* @var $oInstaller Mage_Catalog_Model_Resource_Setup */ $oInstaller = $this; $oInstaller->startSetup(); $oInstaller->updateAttribute( ‘catalog_product’, ‘abc_attribute’, ‘is_global’, Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_STORE ); $oInstaller->updateAttribute( ‘catalog_product’, ‘xyz_attribute’, ‘is_global’, Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_STORE ); $oInstaller->endSetup(); // mark index as “reindex required” $aIndexerCodes = [ ‘catalog_product_attribute’, ‘catalog_product_flat’, ‘catalogsearch_fulltext’ ]; $oIndexer = Mage::getModel(‘index/process’); foreach ($aIndexerCodes as $sCode) […]
This is how to wipe a disk via Linux shell: $> sudo shred -v -n2 -z /dev/sdc The command above erases all data on the device /dev/sdc and overrides the data 2Â times. Finally every bit is overridden by zeros. So in sum it takes 3 iterations to wipe a disk via Linux shell. n specifies […]
Recently I had to remove empty rows from a Magento ImportExport product export CSV file (see https://www.webguys.de/magento-1/turchen-19-produktimport-mit-der-importexport-schnittstelle). The format of these files is really complex. The problem was, that I did a cleanup of the product data inside the file. As a result of this there where empty rows. So I had to eliminate them. […]
To download a file vie SCP under Ruby, you can just use the NET::SCP class included in ruby like that: require “net/scp” =begin Downloads a single file or a folder via scp Parameters: – +host:: +string+ remote IP or domain to get the file / folder from – +ort+:: +string+ remote port – +use+r:: +string+ remote user […]
Today I had to regain access to the admin panel of one of my root servers that uses Plesk as administrative panel. I had configured a IP restriction for the panel under Tools and Settings > Restrict Administrative Access. The problem was, that I wanted to access the machine from outside of the company network (my […]
If you have to extend the backend product grid of Woocommerce by an custom attribute , you have to follow the steps below to add product attribute columns to Woocommerce backend grid: Register and sort  the new columns via a filter hook (‘manage_edit-product_columns’): <?php add_filter( ‘manage_edit-product_columns’, ‘add_columns_to_product_grid’, 10, 1 ); const BACKEND_PRODUCT_GRID_FIELD_SORTORDER = [ ‘cb’, ‘thumb’, ‘name’, […]
To find out which encoding a certain file has, you can use the file command on Linux shell: $> file -i path_to_encoded_file.ending Output example: path_to_encoded_file.ending: text/plain; charset=iso-8859-1
Today I had to solve the problem, that my wordpress cron throws an exception like this when sending an email via wp_mail function inside a cron scheduled event function. PHP Fatal error: Uncaught exception ‘phpmailerException’ with message ‘Invalid address: (setFrom) wordpress@’ in /var/www/clients/client2/web8/web/wp-base/wp-includes/class-phpmailer.php:1023 Stack trace: #0 /var/www/clients/client2/web8/web/wp-base/wp-includes/pluggable.php(352): PHPMailer->setFrom(‘wordpress@’, ‘WordPress’, false) #1 /var/www/clients/client2/web8/web/wp-base/wp-content/plugins/sheldon_misc/admin/class-sheldon_misc-admin.php(183): wp_mail(‘info@ask-sheldon.com….’, ‘Statusmailing i…’, […]
