Root Access

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Journeyman Geek

01:59

Half certain my home IP changed and ddns didn't kick in

7 hours later…

rahuldottech

08:38

@JourneymanGeek static IP ftw

Sure, ddns works, but static IP is just soooo much easier

Journeyman Geek

Not an option

Well literally

The alternative possibly is the router is down

annnd

I can connect now

rahuldottech

@bertieb my usb-over-ethernet thing arrived

Apparently I ordered two pairs by mistake

But dude there's nothing to this device!

Journeyman Geek

08:54

it just translates physical layer with no additional logic yes

1 hour later…

rahuldottech

10:00

@JourneymanGeek Also reduces read speeds from 19Mb/s to 0.95Mb/s

Journeyman Geek

Yup

rahuldottech

Surely there's a better solution

Journeyman Geek

Probably more expensive

Say maybe an active extender

USB over IP maybe but it hasn't been worked on on a long while

There are also hardware devices for this

rahuldottech

10:24

@JourneymanGeek I don't suppose something like an arduino could be used to boost USB signals?

Journeyman Geek

Eh. Tbh not my forte

And I don't think that's a good approach

bertieb

@rahuldottech Yah, it's pretty cheap and cheerful

Works okay for simple devices but I wouldn't be trying to get USB3 speeds outta it ;-P

Would you like any measurements taken?

Bob

10:58

@rahuldottech The problem isn't boosting signal levels, the problem is latency.

Latency is why hi-speed USB has a ~5m limit.

Anything longer needs active devices that are visible to the host (e.g. hubs).

rahuldottech

11:34

@Bob ahhh ok makes sense

@bertieb I'll let you know

2 hours later…

CowperKettle

13:32

Is there a good freeware program that would backup my operating system disk (in the form that could be reconstituted later), 120 Gb, and data disk, 120 Gb, from SSD onto HDD (capacity: 1 Tb) once weekly, automatically?

djsmiley2k

Windows, Linux?

bertieb

Clonezilla?

djsmiley2k

@bertieb automatically?

bertieb

I think it can be automated via boot params yea

I haven't done it myself yet, but it's on my list of things to investigate

Actually been meaning to ask in here

Here we go

clonezilla.org/show-live-doc-content.php?topic=clonezilla-live/…

> By modifying the boot parameters in syslinux/syslinux.cfg (for live USB) or syslinux/isolinux.cfg (for CD), you can preseed most of the options so that Clonezilla live can do the job for you with less interactive steps, or it's possible to make it run in an unattended mode.

djsmiley2k

So, scripted booting of the iso?

bertieb

13:43

Yup

djsmiley2k

I guess that works :D

bertieb

I actually wondered about booting a RO recovery mode and doing backups from there

Buuut Clonezilla also works

djsmiley2k

I just rsync my data files away

the sytem can be rebuilt quite easily

bertieb

In theory I could also do a lvm snapshot to create something immutable so it can be done live - which I've done with migrating volumes - buuut again haven't gotten around to it

Yeah, most of the critical stuff is under /home anyway

That plus a list of the pacman / AUR packages would suffice in a pinch

I think I have other system config stuff backed up by etckeeper

...not that an untested backup is no backup at all, or anything

Journeyman Geek

@CowperKettle veem works well on windows

Had some oddities with the Linux build

bertieb

13:48

Ramblings aside, for @CowperKettle's purpose I'd go with Clonezilla in automated mode :D

(or Veem, since Geek's vouching for that)

Journeyman Geek

You basically want incremental and merging backups

@bertieb well, it helped me recover 30 + hours of AC origins and a few other oopsies

bertieb

Can't be bad!

I've been using borg for dedup'd backups

djsmiley2k

Yeah I have /etc/ which includes a list of all the packages and how their built, /var/lib/portage/world which is also packages, and then /home backed up

I also pull down all my google photos, to a local copy

bertieb

Needs a little finesse for NTFS (ntfsclone piped to borg IIRC) but seems to work just fine

Journeyman Geek

My Linux systems are kinda ad hoc backups. I actually rebuild everything but the wp install

@djsmiley2k ... Funny that....

djsmiley2k

13:57

...?

bertieb

 sudo ntfsclone -so - /dev/sdc3 | borg create --progress --stats bertieb@pandora:/home/bertieb/backups/borg/win10::partition-{now:%Y-%m-%d-%H-%M} -

Journeyman Geek

My blog basically has instructions on how to rebuild everything I run

bertieb

One line :)

djsmiley2k

5 23 * * 0 /usr/bin/rclone sync --ignore-checksum --config /home/tim/.rclone.conf GDrive:Google\ Photos/ /backups/googlePhotos/ &> /backups/googlePhotos.log

bertieb

Drive mounted via gvfs?

djsmiley2k

13:59

nah, via rclone

bertieb

rclone mounts stuff?

I was today years old when I learned that

djsmiley2k

wellno

it copies to it

bertieb

I mean the source

Is there a gvfs / FUSE way to mount Google Drive?

I mean there's a thingy written in OCaml on GH

Or another: github.com/dsoprea/GDriveFS

I imagine Gnome has some UI way of mounting it

Unless you're using rclone to fetch it over HTTP or some other API?

djsmiley2k

rclone fetches over some api yah

k that's weird tho, it's not ran for awhile

/me looks at the crontab

once a week

hmmm

rahuldottech

14:18

> USB 2.0 Active Extension Repeater Cable (A-A M/F), 20M (65-ft.)

tripplite.com/…

I bet DIY-ing something like this wouldn't be very difficult

djsmiley2k

@rahuldottech what you trying to do?

it'd still be horrible for networking over

k wtf, cronjobs seem to not be running. This is not cool

rahuldottech

@djsmiley2k just pushing the limits of USB for fun

A: Why is USB cable maximum length is shorter than in RS232?

It's not really possible to "buffer" USB, at least not in the usual sense of the word. Typically, buffering means electrical amplification and perhaps signal regeneration. With USB, the host drives the entirety of the bus. A host sends out a request, and the device has to issue a response to th...

This explaind a lot

djsmiley2k

15:02

lol fair enough

3 hours later…

allquixotic

17:57

@rahuldottech I wonder if you could use optical fiber... it has a much shorter propagation delay than cables IIRC

which is why my ping on even good ADSL/cable was 40+ ms to the internet, and on FiOS fiber it's 12 ms

rahuldottech

18:08

@allquixotic it's a pity that you can't diy optical fiber

allquixotic

@rahuldottech why not?

rahuldottech

@allquixotic for one, I have absolutely no idea how I'd go about it

allquixotic

Small form-factor pluggable transceiver

The small form-factor pluggable (SFP) is a compact, hot-pluggable optical module transceiver used for both telecommunication and data communications applications. The form factor and electrical interface are specified by a multi-source agreement (MSA) under the auspices of the Small Form Factor Committee. It is a popular industry format jointly developed and supported by many network component vendors. An SFP interface on networking hardware is a modular (plug-and-play) slot for a variable, media-specific transceiver in order to connect a fiber optic cable or sometimes a copper cable. SFP t...

usb-over-ethernet.com

if you had a long enough fiber optic cable you could use USB over the ocean

rahuldottech

18:36

@allquixotic that's a software thingy

And nirsoft has a better version

@allquixotic hmm, wouldn't I need two for the two data lines of USB?

Dunno, I have zero experience with optical fiber

allquixotic

@rahuldottech blog.router-switch.com/2017/12/…

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