To rename multiple files in the current folder, you can use the following command: $> # rename: $> for f in Sheldon_*.xml; do mv -n “$f” “${f}_bkp”; done $> # rename it back again: $> for f in Sheldon_*.xml_bkp; do mv -n “$f” “${f/_bkp}”; done In this case, I had a bunch of files that […]
Today I had the challenge, that I wanted to copy a DVD and  play it with the VLC media player (http://www.videolan.org/vlc/index.html). Therefore I had to learn how to mount iso file(s) under Linux. In my case it was Ubuntu 16.04.1. (see also my article about how to get your Linux distribution and version). How to […]
Today I had problems (“No space left on device” errors) during a system upgrade of Ubuntu Linux. There where error messages telling me the boot Partition is full: update-initramfs: Generating /boot/initrd.img-4.4.0-47-generic gzip: stdout: No space left on device That’s why I had to find out, whats in this boot folder. $> ls -al /boot -rw-r–r– […]
To get a list of files that contain a certain term for the current directory you can use this command to find the search query: $> grep -lr SEARCHTERM This shell command searches the current directory recursively (-r) and lists (-l) all files containing the search query SEARCHTERM. SEARCHTERM can also be a regular expression. Example result: […]
The different PHP versions unter Plesk ODIN are situated in /opt/plesk/php/. So the PHP paths are for example:  /opt/plesk/php/5.2/bin/php /opt/plesk/php/5.3/bin/php /opt/plesk/php/5.4/bin/php /opt/plesk/php/5.5/bin/php /opt/plesk/php/5.6/bin/php /opt/plesk/php/7.0/bin/php Which PHP versions are available depends on the versions installed. You can see your installed versions under https://yourdomain.com:8443/admin/php-handler/list/ in the Plesk backend.
If you have read my article Plesk – get information about aliases you already know how to determine the aliases in the system. To get a list of configured domains, you can use the following query after connecting to the Plesk database via key: mysql -uadmin -p`cat /etc/psa/.psa.shadow` psa mysql> select * from domains; This will give […]
This is how to remove a domain alias via root console: $> /usr/local/psa/bin/domalias -d cms.ask-sheldon.au
Lets imagine you want to search for a term in a file and you want to know, how often it can be found in the file. With this command combination you can count search results on bash: $> less xmlfile.xml | grep SearchmeIfYouCan | wc -l This is how this way to count search results […]
Recently I messed up my life by running this from out of my home folder: $> chmod 600 * Naturally I thought to be in another folder ;-) The result was, that I could not open any programs any more. What was not that nice! ;-) To get out of trouble I had to run […]
If you want to output a CSV file on Linux shell, you could just open it with less, cat or nano (un-formatted CSV output): $> less mydummyfile.csv $> cat mydummyfile.csv $> nano mydummyfile.csv The problem with this approach is, that you will get an unformatted ugly chunk of characters like that: A much better way is it, […]
