To add a "shred files" command to the nemo context memory:

    1. Create directory ~/.local/share/nemo/actions
    2. In the new .../actions directory, save the following in a plain text file called "shred.nemo_action":
      [Nemo Action]
      Name=Shred selected
      Comment=Overwrite and delete object
      Exec=/usr/bin/shred -f -u -v -z -n 2 %F

    Otestovanie podpory videi: Naposledy pre Opera: ln -sf /usr/lib/chromium-browser/, -run in opera install dir. Naposledy mi slo pre Opera 55:

    1. nainstalovat chromium
    2. sudo rm /usr/lib/x86_64-linux-gnu/opera/lib_extra/
    3. sudo rm /usr/lib/x86_64-linux-gnu/opera/
    4. sudo ln -s /usr/lib/chromium-browser/libs/ /usr/lib/x86_64-linux-gnu/opera/lib_extra/
    5. sudo ln -s /usr/lib/chromium-browser/libs/ /usr/lib/x86_64-linux-gnu/opera/

    RESET FLAGS:  start Opera with --no-experiments command line parameter H.264/MP4 problem in Opera 49.0.2725.5 Ok, I had some time to play around. On Debian (amd64) based systems (Debian, Ubuntu, Mint, ect) you need to uninstall chromium-codecs-ffmpeg-extra with the command: sudo apt-get remove chromium-codecs-ffmpeg-extra You can uses this older version as replacement: or as direct download: download the file and use: sudo dpkg --install chromium-codecs-ffmpeg-extra_61.0.3163.100-0ubuntu0.16.04.1306_amd64.deb to install it, or double click on the file. Afterwards completely restart Opera. If you want to prevent further updates of this package use this command (not recommended): sudo apt-mark hold chromium-codecs-ffmpeg-extra

    f you want to disable permanently error "Expression #N of SELECT list is not in GROUP BY clause and contains nonaggregated column 'db.table.COL' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by" do those steps:

    1. sudo nano /etc/mysql/my.cnf
    2. Add this to the end of the file

    3. sudo service mysql restart to restart MySQL

    This will disable ONLY_FULL_GROUP_BY for ALL users

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