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Canon Pixma ip8720

Canon Pixma ip8720

Many months ago I gifted to my wife a Canon Pixma ip8720 printer, I bought it because I read a lot of reviews that exalted it as cool pro-sumer printer with a great balance about price vs quality.

It was also intended to work mainly on my wife's Win-Workstation but it ended up that I was in charge to print everything for the rest of my life. 😅

However for lacking of time we haven't used it very often, I used to to some tests with Debian but haven't had time to install it on POP!

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Still About Graphic Design Applications

hero banner

I already wrote about the bigwigs but I haven't went in depth to the others packages I installed and now I would like to take some time to briefly described some of them.

But first a couple of considerations, event though almost all the GNU Graphic applications aren't polished like the proprietary ones you can integrate them with a lot of utilities (mostly by command lines) that can assist you to do almost everything is achievable with others proprietary applications. Most of the time you realize that having this tools separated by the main programs make your work faster when you need to work on bulk files at once. As I am the habit to say: there is a lot of raw power under the hood! You need only to learn how to use it.

It is a mixed-mode that is fascinating and funny, surely different, but usable. Many Desktop Environments allow to create custom actions that you can recall with your mouse and you can also create custom command on the terminal to make some repetitive operation faster. Sometimes you can even find GUI for these utilities which is pretty useful as well.

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Show Desktop

#GNOME was started in 1999, and twenty years later (today is Sunday, July 28 2019), the best it has been able to achieve is to get rid of the show desktop button or function.

Of course, the brilliant idea behind Gnome3 was: if I eliminate the desktop area I don't need the show the desktop icons either, as well as minimize and maximize the windows. As a matter of fact the main philosophy behind Gnome3 is fixing things simply deleting everything is not conforming with their plans, as I said: BRILLIANT.

However as I told in others post the Gnome approach is fine for whom works for activities (whatever it is actually means) rather than for tasks, the way the old Gnome 2.x used to work before the introduction of Gnome-Shell. Which is the result?

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The mysterious case of Tracker...

Some of days ago I found a post on #Diaspora with this article:

https://www.linuxuprising.com/2019/07/how-to-completely-disable-tracker.html

And I am suddenly remembered about Tracker; It was by Gnome 2.6 that I don't uninstall an indexer on my computer... At that time there was an epic challenge between #Tracker and #Beagle to decide which was the crappiest, I suppose that Tracker won.

BeagleBeagle was made in Mono...

But I had totally forgot about them, as a matter of fact #Xfce4 on #Debian is distributed totally unbloated (not sure about #Xubuntu) so you don't to worry about that.

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Post Installation: Graphic Design Applications!

GNU Graphic Software

To begin I want make it clear:

With all the advanced tools available as freeware or with paid subscription, making Desktop Publishing or Digital Graphic with GNU/Linux is a total act of masochism!

I mean in future probably will be there only opensource applications that will be available through paid subscription because this is the trend, hence it is not going change anything for you, but now there are few applications really not very polished like the closed counter part but this doesn't mean that aren't powerful, but are pretty rough hence difficult to use.

More than ten years all the famous and well known applications weren't so easy to use as today, those were somehow are as today the most famous gnu graphics applications. At that time we used to call these application professionals today we watch at the gnu alternatives and we say not-user-friendly.

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Welcome Back to Home POP!_OS

I confirm the procedure I tested several times on a Virtual Machine got totally fine on the real hardware (a Clevo rebranded System76 laptop) and now POP!_OS is really installed on my laptop.

There you are POP!There you are POP!

Only for the sake of the chronicle when I bought it POP! hadn't came out yet so mine was shipped with Ubuntu, I removed the latter for Debian but you know (at least I hope it) the history...

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Tuning the encryption!

Prologue

I have achieved my goal! However I am not still pretty sure about the goodness of the encryption. From my point of view it creates more problems respect the ones it should be solve. If you have a disk failure you may not be able to decrypt that disk, even having a LVM partition spread on several disks may lead to the same problem and if those are also encrypted the risk is even higher.

Today, as a matter of fact, the Solid State Disk (SSD) are lesser prone to get broken as the old spin Hard Drive (HD) and probably this kind of risk is really low respect before; I don't store sensible information on my computers and the risk to get my hardware stolen is presumably lower than get a damaging disk. I believe that my personal data are more on risk while my computer is on internet, if for some reason there is a 0 Day Attack on Linux my data will be grasped whether I have or not my disks encrypted.

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Never give up – “Final Round”

And eventually I was able to achieve it, I extended my root partition across two disks encrypted through LVM!

The process was a total pain in the heck just because, so far I saw, the Elementary Installer (POP!_OS 19.04) has a bug that makes impossible to unlock two disks or two partitions during the advance setup, hence you have to do everything manually.

The main issue is the following one: after you added the second disk and extended the root partition you have also to add the new disk on the crypttab file in order to unlock it at boot time; unfortunately you can't do that simply restarting the OS because it won't unlock the second disk, hence you have to go in live mode and CHROOT your system to activate your changes.

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Never give up – “Round Two”

In this round I tried to extend the root partition adding the second disk available on this system. I followed these documentation for this test:

To extend the LVM Partition you have to go on Live Session but before to reboot the system with a LiveCD I created a GPT Table on it and formatted the disk as EXT4 with GPARTED, then I run this command:

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Never give up – “Round One”

I have been trying to install from the beginning POP! in the Debian Way and it didn't work out. Indisputably that approach will never work, hence I just installed POP! with the basic setup just to see how it organizes its stuff!

There we are:

Disk /dev/sda: 32 GiB, 34359738368 bytes, 67108864 sectors
Disk model: VBOX HARDDISK   
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: D5E7BAF4-0084-4DB5-AF26-689AE7ED51F1

Device        Start      End  Sectors  Size Type
/dev/sda1      4096  1023998  1019903  498M EFI System
/dev/sda2   1024000  9412606  8388607    4G Microsoft basic data
/dev/sda3   9412608 58716158 49303551 23.5G Linux filesystem
/dev/sda4  58716160 67104766  8388607    4G Linux swap


Disk /dev/sdb: 32 GiB, 34359738368 bytes, 67108864 sectors
Disk model: VBOX HARDDISK   
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 26E74287-8A66-42F6-863B-4D7FBAA64639


Disk /dev/mapper/cryptdata: 23.5 GiB, 25226640896 bytes, 49270783 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/data-root: 23.5 GiB, 25224544256 bytes, 49266688 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/cryptswap: 4 GiB, 4294442496 bytes, 8387583 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
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