Theming – No installation link for the subtopic of the subtopic

On my D8 site, I have Magazine Lite, a subtopic from Classy. Magazine Lite is installed.

In web / themes / custom I have installed a theme that in its .info.yml file called Magazine Lite as the base topic.

The Appearance tab displays the following message instead of an installation link:

This topic requires the basic Magazine Lite theme to work properly

To what extent does the basic topic beyond the basic topic have to be present and installed?

installation – How do I install PHP 7 on Oracle Linux?

I have an Oracle Linux 7.7 instance in the Oracle cloud.
I want to install PHP 7.2 on it.
Previously, I installed PHP 7 on different versions of Linux, but could not find proper documentation, instructions, or instructions for Oracle Linux.

I have PHP 7.2 installed with the following command sudo yum install rh-php72 but when I run

php --version it does not work.

Has anyone installed PHP 7 under Oracle Linux in the cloud?

I have activated the following repos


Could you please give me a reference or give steps to install PHP 7?
Thank you in advance.

What is the preferred way to install a new Windows installation on an SSD that already has a Windows installation?

That's why I have an SSD (120 GB) with Windows. I try to keep it from other things, but things have accumulated over the years and now it is almost full.

I'll build a new PC soon, but keep all my old drives. Since I have an OEM version of Windows, I have to buy a new version and plan to install it on the same SSD.

Now, do I have the right feeling that the new Windows installation simply formats the SSD and rewrites the new installation? Or do I have to do something else?

I would prefer not to delete everything manually. Also, this SSD must work until I plug it into my new PC and install the new operating system.

I'm sorry if I do not make sense, I do not know all the jargon. Feel free to ask if I'm unclear.

To install Linux on a USB flash drive to make the installation compatible with the macOS bootloader

I want to install Linux on a USB flash drive so my Mac can run it from the Start menu.

When I burn a Linux live CD to a USB flash drive, my Mac displays it in the Start menu. However, if I install it on a USB flash drive, the installation does not appear in the Start menu.

This happens according to this article because the EFI partition used by macOS expects the EFI partition to have a different format (HFS +) while using Linux (VFAT). I do not want to use the complicated approach / complicated hacks in this article because I always damage my drive when fiddling with such things. I would like to have a simple solution.

What I've tried is to use the old Master Boot Record installation without an EFI partition; but that did not work. This could be because Grub does some weird things.

Does anyone have experience with this problem or any tips? Maybe there is another boot loader that avoids these problems?

PS: I also know rEFInd, but it has to be installed on my macOS bootloader. I do not like that because Boot Camp sometimes overwrites it and it has a chaotic reinstallation process. Maybe I can install rEFInd on the USB? Does it work?

installation – Alternative to environment modules (Lua / Lmod) for small Linux infrastructures

I am the new system administrator of a lab with ~ 20-25 computers on Linux (Ubuntu 16.04-18.04). The actual software management system is a computer that is used as a Lua / Lmod module server.
If someone wants to use a program, it loads the module and has access to it. I wanted to know if this is the most appropriate solution for this type of infrastructure. Is there a different / better way?

Thanks for your help and suggestions!

boot – The installation of Ubuntu skips a step

I'm trying to replace my current operating system (Windows 10) with Ubuntu 18.04.

I followed this guide to create a bootable USB device (I used Rufus 3.8).

After that, I followed this guide to install Ubuntu, but the installation skips the tutorial 6. Allocate drive space to a partition window without something available.

The only solution I found for this problem was that the ISO may be damaged, but I checked the summary checks and they were fine.

What can I do?

mysql – Uncaught Error: Calling the undefined function mysql_connect () – WordPress installation

I tried to install WordPress without xamp on my local computer. Version information:

WordPress: 5.2.3
PHP: 7.3.9
Apache: 2.4.41 

When accessing this URL -http: // localhost: 8080 / wordpress / wp-admin / install.php, WordPress logs show the following:

(16-Sep-2019 18:47:34 UTC) PHP Fatal error:  Uncaught Error: Call to 
undefined function mysql_connect() in C:appshttpd-2.4.41-win64- 

I have tried the solutions available online, but still see the error.

Solutions I've tried so far:

Add the following to my wp-config.php:

define( 'WP_USE_EXT_MYSQL', true);

Added the following to php.ini:

extension_dir = "ext"

This is my phpinfo:

Server API  Apache 2.0 Handler
Virtual Directory Support   enabled
Configuration File (php.ini) Path   C:windows
Loaded Configuration File   C:appsphp-7.3.9php.ini
Scan this dir for additional .ini files (none)
Additional .ini files parsed    (none)
PHP API 20180731
PHP Extension   20180731
Zend Extension  320180731
Zend Extension Build    API320180731,TS,VC15
PHP Extension Build API20180731,TS,VC15
Debug Build no
Thread Safety   enabled
Thread API  Windows Threads
Zend Signal Handling    disabled
Zend Memory Manager enabled
Zend Multibyte Support  disabled
IPv6 Support    enabled
DTrace Support  disabled
Registered PHP Streams  php, file, glob, data, http, ftp, zip, compress.zlib, phar
Registered Stream Socket Transports tcp, udp
Registered Stream Filters   convert.iconv.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk, zlib.*

installation – If you install Oracle Database 18c in the background, exit code 6 is returned if you use -ignorePrereqFailure

I'm trying to install Oracle 18c in a Docker image, but my builds still fail because Oracle also exists when using -ignorePrereqFailure with code 6.

Successfully Setup Software with warning(s).
The command '/bin/sh -c /tmp/database/runInstaller -silent -ignorePrereqFailure -waitforcompletion -responsefile /tmp/db_install.rsp' returned a non-zero code: 6

I have reviewed the log and all failed prerequisite checks are IGNORABLE.

Is there a way to ignore the warnings and finish with 0? In 12cR1, I used -ignoreSysPrereqs and -ignorePrereq to do this, but they do not work for Oracle 18c

My partitioning installation is messed up, Windows can not start now. What am I doing?

I have Windows 7 installed. I guess I deleted a partition where no system is written to free up space for root, / home, and swap. But somehow I can not return to the original state and the installation even failed. Now I can not boot my windows anymore and I guess all my files are gone too. I still have a Windows recovery system, but it does not want to do anything. Does anyone know how to recover the files?

edit: Yes, my recovery said C: and D: are gone.