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Author Topic: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS  (Read 2508 times)

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Offline PCNetSpec

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #45 on: September 08, 2018, 01:05:06 pm »
I'm not saying don't do it if you understand the implications and know how to dig yourself out of a hole, but this topic is on a public board and I wanted to remind newer users there's little point to this if everything is working, and stability is a goal.

In other words - For most users (unless there's a specific reason) Team Peppermint DO NOT advise switching from the default kernel.
(just because team members do it, doesn't mean it's the smart thing to do .. if it were, we'd make sure you got it via normal updates)

I don't want new users seeing Team Peppermint members doing this and wondering if it's something they should be doing.

Hey, it's my job to point these things out right ;)
« Last Edit: September 08, 2018, 01:11:43 pm by PCNetSpec »
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline pin

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #46 on: September 08, 2018, 01:11:40 pm »
Ops  :(
Sorry...
Just say NO to flatpak and snap!!

Offline PCNetSpec

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #47 on: September 08, 2018, 01:14:35 pm »
No worries my mate, just making sure people understand :)
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Online VinDSL

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #48 on: September 08, 2018, 01:21:04 pm »
Got it, Chief.

This thread took a strange twist, but you can't unring the bell, once it's been rung.

I guess they got a little 'inside baseball' here.  :)

Anyway, yes, please don't play around with stuff like this, unless you know how to dig yourself out of a hole.



Offline pin

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #49 on: September 08, 2018, 01:28:58 pm »
 :D
Do you have a video for everything??
 :D
Just say NO to flatpak and snap!!

Online VinDSL

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #50 on: September 08, 2018, 02:30:05 pm »
Worth 1000 words, you know? 

What better way to demonstrate that one can dig themselves out of a hole by digging more? It's counter-intuitive.

Anyway, to demonstrate what PCNoSleep was saying, the HP is turning out to be a little more problematic.

This is the sort of stuff one occasionally runs into. Wonder how a noob would handle it, eh what?   :)

Code: [Select]
vindsl@Nurgot ~ $ sudo dmesg | grep -i "error\|warn\|fail\|disable\|sign"
[    0.000000] NX (Execute Disable) protection: active
[    0.000000]   3 disabled
[    0.000000]   4 disabled
[    0.000000]   5 disabled
[    0.000000]   6 disabled
[    0.000000] ACPI: Early table checksum verification disabled
[    0.000000] ACPI BIOS Warning (bug): Optional FADT field Pm2ControlBlock has valid Address but zero Length: 0x0000000000000050/0x0 (20180531/tbfadt-624)
[    0.000000] ACPI BIOS Warning (bug): Invalid length for FADT/Pm2ControlBlock: 0, using default 8 (20180531/tbfadt-674)
[    0.044396] audit: initializing netlink subsys (disabled)
[    0.061519] ACPI BIOS Error (bug): \_SB.PCI0._OSC: Excess arguments - ASL declared 5, ACPI requires 4 (20180531/nsarguments-164)
[    0.061597] ACPI BIOS Error (bug): Failure creating [\_SB.PCI0._OSC.CAPD], AE_ALREADY_EXISTS (20180531/dsfield-179)
[    0.061638] ACPI Error: Method parse/execution failed \_SB.PCI0._OSC, AE_ALREADY_EXISTS (20180531/psparse-516)
[    0.061650] acpi PNP0A08:00: _OSC failed (AE_ALREADY_EXISTS); disabling ASPM
[    0.066886] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 10 11 14 15) *0, disabled.
[    0.091654] pci 0000:00:1c.0: BAR 14: assigned [mem 0xf8000000-0xf81fffff]
[    0.091659] pci 0000:00:1c.0: BAR 15: assigned [mem 0xf8200000-0xf83fffff 64bit pref]
[    0.091660] pci 0000:00:1c.1: BAR 14: assigned [mem 0xf8400000-0xf85fffff]
[    0.091664] pci 0000:00:1c.1: BAR 15: assigned [mem 0xf8600000-0xf87fffff 64bit pref]
[    0.091666] pci 0000:00:1c.0: BAR 13: assigned [io  0x2000-0x2fff]
[    0.091668] pci 0000:00:1c.1: BAR 13: assigned [io  0x3000-0x3fff]
[    1.060762] tpm tpm0: A TPM error (7) occurred attempting to read a pcr value
[    1.061047] tpm tpm0: TPM is disabled/deactivated (0x7)
[    1.066239] tpm tpm0: A TPM error (7) occurred attempting get random
[    1.068715] ehci-pci 0000:00:1a.7: new USB bus registered, assigned bus number 1
[    1.088944] ehci-pci 0000:00:1d.7: new USB bus registered, assigned bus number 2
[    1.108984] uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3
[    1.109393] uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4
[    1.109803] uhci_hcd 0000:00:1a.2: new USB bus registered, assigned bus number 5
[    1.110212] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 6
[    1.110618] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 7
[    1.111026] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 8
[    1.118766] RAS: Correctable Errors collector initialized.
[    1.129593] tpm tpm0: A TPM error (7) occurred attempting to read a pcr value
[    1.315151] [drm] RC6 disabled, disabling runtime PM support
[    2.877133] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro
[    3.619958] kvm: disabled by bios
[    6.428027] random: 7 urandom warning(s) missed due to ratelimiting
vindsl@Nurgot ~ $


Offline pin

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #51 on: September 08, 2018, 02:35:07 pm »
Hmm!
BIOS uppdate??

EDIT: Hp's are a PITA to update outside Windows, but if I understood you right you're dual-booting everywhere.
I bricked a hp two months ago trying to update the BIOS using a FreeDOS bootable usb  :(
« Last Edit: September 09, 2018, 05:15:58 am by pin »
Just say NO to flatpak and snap!!

Online VinDSL

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #52 on: September 08, 2018, 04:12:28 pm »
Correct on all counts...





We are in concurrence  ;D

Offline pin

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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #53 on: September 09, 2018, 05:17:10 am »
...and, did it solved the problem?  :-\
« Last Edit: September 09, 2018, 05:50:54 am by pin »
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Re: UK's National Cyber Security Centre Gives Advice on Securing Ubuntu 18.04 LTS
« Reply #54 on: September 09, 2018, 06:41:07 pm »
Evidently, I must have updated the BIOS, at some point, and forgot about it.

I downloaded the most recent file (11-Nov-2015) and started to flash it, but I got a message saying it was the same version that was already installed, and asked if I was sure I wanted to continue, blah, blah, blah.

It's booting and running fine. If I hadn't queried the logs, I wouldn't even know there's a problem. So, I'm gonna let it ride.

All I use this machine for is word processing, scanning documents (hence, the portrait mode display)... and a battery charger for my cell phone. LoL

I figure the HP has a cleaner power supply than those $0.99 adapters that one plugs into wall sockets.