Does Facebook keep selecting the wrong thumbnail for WordPress links for you? The solution is to give Facebook some extra instruction about what image to use for the thumbnail, using open graph. If you use a static frontpage, it’s a simple matter of adding something like: <meta property=”og:image” content=”http://samplesite.com/files/2014/05/web-thumb.png” /> to the Full meta tags… Continue reading Facebook selecting wrong thumbnail for WordPress links
Using a method I previously wrote about, it’s quite easy to backup your Beaglebone Black over the network. ssh root@bbb ‘tar cf – / 2>/dev/null’ | pv -cN tar \ | bzip2 | pv -cN bzip2 > bbb-backup-tar.bz2 It runs the bzip compression locally because presumably it will be faster than on the Beaglebone Black.… Continue reading Backup your Beaglebone Black
I had this problem where prints to our CUPS-PDF printer sometimes failed to be processed on the server. The job would disappear as though it has been printed but nothing else would happen. Printing from the same application to a Windows based PDF printer, and then printing the resulting PDF via Adobe Acrobat to the… Continue reading Printing from Windows to a samba shared CUPS-PDF printer sometimes fails
I was receiving email error messages from cron like this from my autbackupmysql on a regular basis: ERRORS REPORTED: MySQL Backup error Log for somehost.com.dxa – 2014-05-01_06h26m — Warning: Skipping the data of table mysql.event. Specify the –events option explicitly. It turns out that mysqldump now warns you if the events table is not being… Continue reading automysqlbackup ERRORS REPORTED: MySQL Backup error Log Warning: Skipping the data of table mysql.event. Specify the –events option explicitly.