[chaot]

My OS (Xubuntu) gets reinstalled from scratch. What should I consider in relation to my customized settings of calibre.

First of all I backed up my whole library. That includes that metadata_db_prefs_backup.json text document where e.g. I can find my CCs again.


CC trans (Translater) is highlighted.

Each book gots (as you know) his own metadata.opf file. I show the content of Die Kinder des Zorns (GE) - Jeppe Aakjaer.epub

This XML file does not appear to have any style information associated with it. The document tree is shown below.
<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="uuid_id" version="2.0">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlnspf="http://www.idpf.org/2007/opf">
<dc:identifier opf:scheme="calibre" id="calibre_id">10642</dc:identifier>
<dc:identifier opf:scheme="uuid" id="uuid_id">02ae0cca-c4e8-4bb2-a737-8c24eee69aeb</dc:identifier>
<dc:title>Die Kinder des Zorns (GE)</dc:title>
<dc:creator opf:file-as="AAKJÆR, JEPPE" opf:role="aut">Jeppe Aakjær</dc:creator>
<dc:contributor opf:file-as="calibre" opf:role="bkp">calibre (2.22.0) [http://calibre-ebook.com]</dc:contributor>
<dc:date>0101-01-01T00:00:00+00:00</dc:date>
<dc:description>
<a href="http://de.wikipedia.org/wiki/Jeppe_Aakj%C3%A6r">Jeppe Aakjær</a>
</dc:description>
<dcublisher>ngiyaw eBooks</dcublisher>
<dc:language>deu</dc:language>
<dc:subject>Roman</dc:subject>
<meta content="{"Jeppe Aakjær": ""}" name="calibre:author_link_map"/>
<meta content="#" name="calibre:series"/>
<meta content="1" name="calibre:series_index"/>
<meta content="0101-01-01T00:00:00+00:00" name="calibre:timestamp"/>
<meta content="Kinder des Zorns (GE), Die" name="calibre:title_sort"/>
<meta name="calibre:user_metadata:#real_pseudo_cst_cn_c" content="{"display": {"description": "", "is_names": true}, "label": "real_pseudo_cst_cn_c", "#value#": ["Jeppe Jensen"], "table": "custom_column_16", "is_category": true, "is_custom": true, "rec_index": 26, "kind": "field", "name": "Real/Ps", "datatype": "text", "#extra#": null, "column": "value", "link_column": "value", "category_sort": "value", "search_terms": ["#real_pseudo_cst_cn_c"], "is_editable": true, "is_multiple2": {"cache_to_list": "|", "ui_to_list": "&", "list_to_ui": " & "}, "colnum": 16, "is_csp": false, "is_multiple": "|"}"/>
<meta name="calibre:user_metadata:#origtitle_year_t_sc_c" content="{"display": {"description": "Originaltitel (Erscheinungsjahr)", "use_decorations": 2}, "label": "origtitle_year_t_sc_c", "#value#": "Vredens børn (1912)", "table": "custom_column_9", "is_category": true, "is_custom": true, "rec_index": 25, "kind": "field", "name": "oT (y)", "datatype": "text", "#extra#": null, "column": "value", "link_column": "value", "category_sort": "value", "search_terms": ["#origtitle_year_t_sc_c"], "is_editable": true, "is_multiple2": {}, "colnum": 9, "is_csp": false, "is_multiple": null}"/>
<meta name="calibre:user_metadata:#origlang_t_sc_c" content="{"display": {"description": "", "use_decorations": 2}, "label": "origlang_t_sc_c", "#value#": "Danish", "table": "custom_column_24", "is_category": true, "is_custom": true, "rec_index": 23, "kind": "field", "name": "oL", "datatype": "text", "#extra#": null, "column": "value", "link_column": "value", "category_sort": "value", "search_terms": ["#origlang_t_sc_c"], "is_editable": true, "is_multiple2": {}, "colnum": 24, "is_csp": false, "is_multiple": null}"/>
<meta name="calibre:user_metadata:#origlang_trans_cst_cn_unc" content="{"display": {"description": "", "is_names": false}, "label": "origlang_trans_cst_cn_unc", "#value#": ["Danish.Erich Holm"], "table": "custom_column_19", "is_category": true, "is_custom": true, "rec_index": 24, "kind": "field", "name": "oL/Trans", "datatype": "text", "#extra#": null, "column": "value", "link_column": "value", "category_sort": "value", "search_terms": ["#origlang_trans_cst_cn_unc"], "is_editable": true, "is_multiple2": {"cache_to_list": "|", "ui_to_list": ",", "list_to_ui": ", "}, "colnum": 19, "is_csp": false, "is_multiple": "|"}"/>
<meta name="calibre:user_metadata:#trans_cst_cn_c" content="{"display": {"description": "", "is_names": true}, "label": "trans_cst_cn_c", "#value#": ["Erich Holm"], "table": "custom_column_15", "is_category": true, "is_custom": true, "rec_index": 27, "kind": "field", "name": "Trans", "datatype": "text", "#extra#": null, "column": "value", "link_column": "value", "category_sort": "value", "search_terms": ["#trans_cst_cn_c"], "is_editable": true, "is_multiple2": {"cache_to_list": "|", "ui_to_list": "&", "list_to_ui": " & "}, "colnum": 15, "is_csp": false, "is_multiple": "|"}"/>
<meta name="calibre:user_metadata:#genre_cst_cn_unc" content="{"display": {"description": "", "is_names": false}, "label": "genre_cst_cn_unc", "#value#": [], "table": "custom_column_23", "is_category": true, "is_custom": true, "rec_index": 22, "kind": "field", "name": "Genre", "datatype": "text", "#extra#": null, "column": "value", "link_column": "value", "category_sort": "value", "search_terms": ["#genre_cst_cn_unc"], "is_editable": true, "is_multiple2": {"cache_to_list": "|", "ui_to_list": ",", "list_to_ui": ", "}, "colnum": 23, "is_csp": false, "is_multiple": "|"}"/>
</metadata>
<guide>
<reference href="cover.jpg" title="Cover" type="cover"/>
</guide>
</package>


I got 6 CCs (marked red).

I copied my /home/... files - that includes e.g. that here mentioned file.


/.config/calibre/resources/images

After reinstall (basic) calibre I will probably have to reinstall all my CCs again. Does calibre uses then this documents and files to set up the same interface which I see currently?

What else should I consider?