Categoria: internet

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syncing firefox

Symlinking logins.json is not possibile, you have to copy it every time. And it is necessary that logins.json matchs to key4.db.

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webdav after changing cloud password

I.G. you could have changed the psw switching to 2FA. So, in Linux, Dolphin o any other file manager could not recognize any more your cloud webdav.

To fix this problem, try the following steps:

1. in system settings -> KDE Wallet -> Wallet Manager -> Passwords – > Maps,

2. find your old cloud account and delete it,

3. then you will asked, as expected, for a new user and password.

4. And then it should work.

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KDE Connect not working

You have both smartphone and PC connected at the same network. But no connction between the two.

1st case

A possible reason is a firewall on the smartphone, .i.g. ReThink. In this case you should exclude KDE connect from firewall.

2nd case

If you have a KDE connect connection, but you cannot browse your decive from your PC, you could have some previous corrupt installation/config on your PC.
Than you can try with:

- killall -9 kdeconnectd kdeconnect-app kdeconnect-indicator
- then no output for: "pgrep -la kdeconnect"
- rm -rf ~/.config/kdeconnect ~/.cache/kdeconnect ~/.local/share/kdeconnect
and then
- systemctl --user daemon-reload
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Vivaldi public key issue

After several unsuccessfull attempts to fix a Vivaldi NO_PUBKEY error, I found this working solution:

wget -qO- https://repo.vivaldi.com/archive/linux_signing_key.pub | gpg --dearmor | sudo dd of=/usr/share/keyrings/vivaldi-browser.gpg

and then:

sudo apt update
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Thunderbird chrome not working

If even after adding chrome folder thuderbird doesn’t use your cutomized css, you should try with:

Settings/Options > Advanced > General > Config Editor

toolkit.legacyUserProfileCustomizations.stylesheets > true

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update remote wordpress from localhost

Migrate DB is a good tool, even in its free version. You can follow these steps:

  • create a database in remote and import there the local wordpress database, changing some data with Migrate DB (tipically you have to convert the local server path https://localhost/your-local-path/wordpress to //your-remote-path/wordpress, and the local absolute path (such as /mnt/your-PC-path/wordpress) to the remote absolute path (such as https://your-remote-path/wordpress);
  • upload the local wordpress folder to your remote website, via FTP;
  • change in the uploaded folder the wp-config.php file, according to the db user, db name and db server of the remote wordpres database;
  • go to the remote wordpress, login (user and password are identical to the your local wordpress ones), and go to Migrate DB -> settings, and there -> generate/reset API key, copy the 32 char key and paste it in the local Migrate DB push box.
  • So your connection should work, syncing the remote database with the local one.

A problem could arise using Wordfence Security: to update with MigrateDB, you could have to disable temporarliy Wordfence.

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link from outside to a part of a file

pdf

It is possible to link a page of a pdf, with the following syntax:

file:///your-path-here/your-pdf-filename-here.pdf#pag=[the-page-number]

or, if the file is within your localhost folder

http://localhost/your-path-here/your-pdf-filename-here.pdf#pag=[the-page-number]

epub

It is possible to link to a given location of an epub file, i.g. with calibre viewer, with a code like the following

file:///your-path-here/your-epub-filename.epub?open_at=epubcfi(/10/2/4/2/132/18/1:65)

You can get the string after open_at (in the above case: epubcfi(/10/2/4/2/132/18/1:65) in the calibre viewer, this way:

  • right click
  • -> go to
  • -> location
  • -> current location (above in the window) : copy

video file

with VLC you can use this code

vlc file:///my-path/my-video.mp4 --start-time=90

where ’90’ are the seconds (after the start of video).

I didn’t manage, so far, to open a video with such a code from a browser.

audio file

You ca do it in several ways. With play (sox) in Linux you can use a code setting not only the start time, but the end one as well: 

play '/your-path/your-file.ogg' trim 5:18 =7:01

where 5:18 is the start time, and 7:01 the end one (=7.01 and not = 7:01)

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embed a playlist in a web page

After many attempts I finally figured taht it’s impossible embed an audio playlist (such as m3u) to a webpage: you can add only multiple (audio) files, but not a playlist.

I tried with the <audio> tag: nothing to to, even with jquery or javascript. Neither with <embed> or <object> html tags: html developers allow only a single audio playing, not a playlist.

The mimetype “audio/x-mpegurl” doesn’t work.