You can get the Apache version currently running on  your webserver by the following shell commands. Get Apache version on CentOS / Redhat $> /usr/sbin/httpd -v Get Apache version on Ubuntu $> /usr/sbin/apache2 -v
To rename all jpg-files in a folder to its lower cased equivalent, you can run this little shell script: $> for i in folderpath/*.jpg; do mv -v $i `echo $i | tr ‘[:upper:]’ ‘[:lower:]’`; done The -v param of mv will only give you a list of renamed files.
ISO-3166-1 alpha-2: AT BE CY EE DE ES FI FR GR IE IT LU LV MC MT NL PT SI SK SM VA
On Xubuntu 14.04.3 LTS I got a black screen after wakeup the machine from suspend mode. This didn’t happen all the time. It was more of a sporadic phenomenon happening after entering the credentials to unlock the machine. Under these circumstances the screen got black and the machine didn’t react on any actions any more. I could got to […]
You can use the following query to get all duplicated records of a MySQL table having equal values for the respective field: SELECT fieldname, COUNT(*) FROM tablename GROUP BY fieldname HAVING COUNT(*) > 1 This query will give you a list of all the entries having the same value for fieldname. It also will show […]
Before a while I discovered the website crawling framework Scrapy as mentioned in my earlier post Nice Python website crawler framework. Now I wrote a little website crawler using this genius framework. Here are the steps I’ve taken to get my blog https://www.ask-sheldon.com crawled: Installation of Scrapy Install Python package management system (pip): $> sudo apt-get install […]
That’s not as easy as you might think with nano. Mainly because of the stage keystroke-philosophy of nano. Here is the way I cut out multiple lines, whole paragraphs or also huge text blocks with nano (Xubuntu 14.04, MacOS X 10.9.5). Open file in nano: $> nano -c textFileToEdit.txt -c shows line-numbers. Alternatively you can press […]
Dnsmasq is a very handy and easy to install DNS / DHCP server implementation, that uses the local hosts file to determine hostname to IP mappings. I use a local DNS to be able to call my local machines by a memorable domain instead of their IP. Additionally dnsmasq works as an DNS Cache. Installation of dnsmasq […]
To switch you shells keymap on Arch Linux or Ubuntu to another language you can use localectl. You can print the actual settings with the following command: $> localectl status To get a list of possible keymaps use: $> localectl list-keymaps And finally you can set the respective keymap with (de-QUERZ layout in this example): $> […]
