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That's two unexplained anomalies in one thread: first find not finding files that are there, and then rsync saying that identical files are different. Something is amiss and I suspect it's related to DropBox. I wouldn't rely 100% on these backups if I were you.

If the two directories exist, contain files, and their contents are viewable (i.e. you have permission to view the contents) then the method I gave will work. You can test the method by creating a directory, putting some files in it, copying it, then deleting a couple of files from the copy. Then co...

This is what I would do: 1. Create list of the contents of /media/tony/DropBox_A/Dropbox and write it to a file in your home directory: $ cd /media/tony/DropBox_A/Dropbox $ find -type f | sort > ~/file1 2. Create a list of the contents of /media/tony/DropBox_A/Backup_of_dropbox and write it to a sec...

It's probably a bug. The actual files corresponding to the menu entries will be in /usr/share/applications . You can compare them by opening them in a text editor. If you want to you can remove one of the entries from the menu by copying its .desktop file to $HOME/.local/share/applications then addi...

I'd be interested in trying the command line version, but I'd need some instructions on how to use it. Are there any around? thanks. To download the best quality single-file video: youtube-dl <URL> To see what different quality formats there are to download of a particular video: youtube-dl -F <URL...

It seems that VLC player could be a good substitute but I am not able to record TV program in it. Clicking on record button has no effect.

Look in your Downloads directory.

That looks like a 'proper icon not found' icon.

Files in /opt have access to the whole system only if they're executed as root. The proper place to put a manually-installed, pre-compiled program is in its own directory in /opt . If you do this you'll need to add the new directory to your PATH. Alternatives are $HOME/bin or $HOME/.local/bin . Thes...

Not ever having used gPodder, I can't advise you any more about it, except that you could try searching every file in your home directory for the string: grep -r max_episodes_per_feed ~ Alternatively you could possibly use wget to download all of the episodes. You would need to view the page source,...

I think it's very rare for a webcam not to be supported by the Linux kernel. Every webcam I have owned has worked.

Are the discs encrypted?

1. sudo apt-get install apt-xapian-index

2. In Synaptic Package Manager click on Status -> Installed.

3. Type the search term into the 'Quick Filter' field that is on the right of the 'Search' button.

regulatory.db is part of the package wireless-regdb. On my System (Xubuntu 16.04.3) I have the file in /lib/firmware.

What's the output of this command on your system: dpkg -l wireless-regdb?

I would do this: 1. Unmount the volume from both mount points. Use the file manager to do this, or use udisksctl unmount -b [block device] if the file manager can't do it. You can find [block device] by using lsblk . 2. Power-off the USB hard drive, again using the file manager or udisksctl power-of...

If you don't mind not having thumbnails, tumbler can safely be removed. I don't use thumbnails myself. This will fix your problem:

Is there any difference between p7zip-rar (non-free) and unrar (non-free)? Yes. They are different programs created by different people. Is one less buggy than the other? No. Why does Linux Mint have both unzip and p7zip installed by default? 'p7zip' can extract only 7Z files. Either 'unzip' or 'p7...

How does this command overwrite? Is it all 0's like bb, random numbers, or what? 0s. If you want to use 1s instead: dd if=/dev/zero iflag=fullblock | tr '\0' '\377' > 123 && sync && rm 123 If you want to use pseudo-random data instead: openssl enc -aes-256-ctr -in /dev/zero -pass pass:<password> -n...