I am trying to install mondo rescue at my Linux Ubuntu Server for full system backup. I checked many tutorials on how to do it. There it is all very easy. When I do the same it only says

I am trying to install a package on my Linux Ubuntu System. I am getting the following error message

 The package lists or status file could not be parsed or opened.
 ...

I want to make a full system backup from my Linux Ubuntu Server. As the disk space is very small on this hard drive I need to back up the files to a remote computer. Therefore I created a virtual...

I am running a Linux Ubuntu server on a virtual machine. I use VirtualBox for the virtualization. Now I want to give the virtual machine a static IP address. How can O do this? 

I tried to upgrade my Linux Ubuntu Server OS with apt-get upgrade but it shows only the following error

Could not open lock file /var/lib/dpkg/lock - open (13:...

I try to install a Linux Ubuntu Server at my virtual machine on my pc. The problem is that when I enter a password then it always says that password and password verification are not the same. I...

I would like to install a Linux Ubuntu OS on a virtual machine. I use the program VirtualBox from Oracle for it. The problem is that I can not select an iso file. I watched some tutorials about...

I want to back up a Linux Ubuntu server. Since I want to make this backup to a running system without fail, most backup tools are out of the question. Furthermore, the data size of a complete...

I would like to hide some blocks on specific pages on my Drupal 7 website. How can I do this?

I want to build a freelancer marketplace. Therefore I am seeking for a freelancer marketplace theme from WordPress as I am falmilar with this CMS. Can anybody list the best freelancer marketplace...

I try to open my Plesk admin panel. Now I get the following error code:

ERROR: Zend_Db_Adapter_Exception: SQLSTATE[HY000] [2002] No such file or directory

Can anybody tell me how to...

I get the following error message when I try to access my website: 

PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL

Can anybody...

I tried to visit a website from me and get the following error 

ERROR: Plesk\Exception\Database: DB query failed: SQLSTATE[HY000]: General error: 1030 Got error 28 from storage...

If a user posts something then he can insert also a tag. The problem is, that some people give curious or wrong tag names. I would like to prevent this behavior in the way I am restricting the...

I want to change the specific design of a block I created in Drupal 7 with views. The problem is, that the CSS tags are the same as at rest of the website so that I can only change all in CSS. Is...

I want to do command line development in my mac. As a web developer I need to have this oportunity. I want to test it. How can I install Xcode Command Line Tools in my mac computer?

I tried to save field changing in views of Drupal 7 but I only get the following error message "Display "Master" uses fields but there are none defined for it or all are excluded."  and when I try...

I want to add a field in views of Drupal 7 but it shows "The selected style or row format does not utilize fields." What is wrong there? How can I change it?

I want to limit the length of a username in my Drupal 7 Website so that it will be not possible to register with a username of unlimited chars. The problem is that very log usernames break the...

Is it possible to let users of my Drupal 7 website decide if they want to save their posts before as drafts? I think many people do not have so much time so that they work a few days in their...

I created a website with the Drupal 7 CMS. Now I see, if I want to place a comment on an existing article the following failure message:

The page you requested does not exist....

I have a problem with my Drupal 7 website. The users of the website are always logged out automatically. They need to refresh site until they get logged in again. How can I fix the issue?

I have recently installed solr 7.2.1 in my ubuntu 16.04 operating system. While creating a new core index, the apache solr logging shows an error message. The error message looks like this:

I'm just wondering when the CMS software Drupal 9 comes on the market. Personally, I find that with these updates every time you face incredible problems. An Update on a new Drupal version is...

I run an internet forum, which I realized with Drupal 7. The users may also put links in the posts. Now I would like to put these links on rel = "nofollow" for SEO reasons. How can I achieve this...

I run a website that I developed with the Drupal 7 CMS. Unfortunately, the following happened. All entries on the page are displayed twice. In concrete terms, the comments on the page are...

I want to change the domain name for a domain I manage under Plesk. In addition, I changed in the hosting attitudes with Plesk simply the Domain name. Of course, I have also changed the DNS...

I want to offer users the possibility to answer directly to questions with parallel user registration. How can I do this in drupal  7?

I need help to understand the drupal 7 database. I want to build a module. There i want to use data from database. Can anybody explain me how a drupal 7 database is structured?

How can I prevent that a variable is cero in my math formula in php.

The result of the following formula is 0

 if (!function_exists('zusammenrechnen')) {
   $a='$...