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| Chromium Crashing if not Superuser |
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Posted by: cmelcher - 12-08-2019, 07:21 PM - Forum: General Discussion on Pinebook Pro
- Replies (3)
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On my PBP, Chromium crashes every time I try to go to settings if I'm not running it as a superuser. So I cannot enter my Google Passpharse to sync all my bookmarks.
It works fine if I run "sudo chromium-browser", but that seems to use a different profile. The passphrase takes there, but when I go back on as a regular user, it's not synced.
I really don't want to run chromium as a super user every time. Any thoughts on how to fix this?
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| Internal Speaker Modification |
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Posted by: hmuller - 12-07-2019, 08:51 PM - Forum: Pinebook Pro Hardware and Accessories
- No Replies
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The internal speakers are secured to the palm rest with adhesive. Additionally there is adhesive on the foam attached to the speakers facing the bottom magnesium cover.
When disassembling the bottom cover from the palm rest the speakers pull off the palm rest, sticking to the bottom cover. Although this is not a huge problem, this exercises the speaker wires more than I like.
The solution I devised way to apply plastic wrap (common food wrap, not cellophane) to the foam on the speakers. I then used a pair of scissors to trim the plastic wrap around the outer perimeter of the foam. Then I carefully cut a slit within the inner perimeter of the foam and then used the scissors to trim the plastic wrap within the inner perimeter of the foam.
This prevents the speakers from attaching to the bottom magnesium case. They remain attached to the palm rest and the speaker wires remain undisturbed when the bottom case is removed from the palm rest.
The sound quality of the speakers remains the same as before the fix, but in full disclosure I have old man ears with specific frequency impairment in one ear. My good ear can not discern any difference.
Update: 17 DEC 2019:
This has been an effective solution. To improve the adhesion of the speakers to the palm rest assembly I used a dab of silicon adhesive under each speaker.
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| A list of supported OSes would be helpful |
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Posted by: blicken - 12-07-2019, 06:10 PM - Forum: Getting Started
- Replies (2)
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Im a new user of pine phone, indeed my phone has yet to arrive.
Im just wondering what my OS options are, I think it would be handy if there was a list of functional and tested OS builds to choose from.
Is there such a thing already? Have I simply missed it?
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| Hardening your Pinebook Pro software |
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Posted by: Arwen - 12-07-2019, 03:33 PM - Forum: Pinebook Pro Tutorials
- Replies (4)
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Here is a guide to some of the hardening you can do on your Pinebook Pro's OS and applications. Each post will be dedicated, (and edited for corrections and updates), for a specific type of hardening.
Hardening SSH:
Disable Root login:
File - /etc/ssh/sshd_config
PermitRootLogin no
Service - systemctl restart sshd
One other thing that probably should be done, is re-create the host SSH keys. SSH host keys should be unique per host. From what I can tell, the default Debian comes with host SSH keys already created from July 11, 2019;
Code: # ls -l ssh_host_*
-rw------- 1 root root 668 Jul 11 16:55 ssh_host_dsa_key
-rw-r--r-- 1 root root 609 Jul 11 16:55 ssh_host_dsa_key.pub
-rw------- 1 root root 227 Jul 11 16:55 ssh_host_ecdsa_key
-rw-r--r-- 1 root root 181 Jul 11 16:55 ssh_host_ecdsa_key.pub
-rw------- 1 root root 411 Jul 11 16:55 ssh_host_ed25519_key
-rw-r--r-- 1 root root 101 Jul 11 16:55 ssh_host_ed25519_key.pub
-rw------- 1 root root 1675 Jul 11 16:55 ssh_host_rsa_key
-rw-r--r-- 1 root root 401 Jul 11 16:55 ssh_host_rsa_key.pub
Here is how to do it.
As user "root", simply run the following commands. If you like, you can put the hostname in the comment, like "MyHost rsa hostkey".
Code: cd /etc/ssh
rm ssh_host_*
ssh-keygen -b 4096 -t rsa -C "rsa hostkey" -f ./ssh_host_rsa_key
ssh-keygen -b 521 -t ecdsa -C "ecdsa hostkey" -f ./ssh_host_ecdsa_key
ssh-keygen -t ed25519 -C "ed25519 hostkey" -f ./ssh_host_ed25519_key
Hardening NTP;
Don't allow others to use Pinebook Pro for time source:
File - /etc/ntp.conf
restrict 127.0.0.1 nomodify nopeer noquery limited kod
restrict [::1]
interface ignore wildcard
interface listen 127.0.0.1
interface listen ::1
Service - systemctl restart ntpd
Disable Samba services, (if you are not using them);
Disable services:
systemctl stop smbd
systemctl disable smbd
systemctl stop nmbd
systemctl disable nmbd
Disable Avahi, (zeroconf & service discovery);
Disable service:
systemctl stop avahi-daemon.service
systemctl stop avahi.daemon. socket
systemctl stop dbus-org.freedesktop.Avahi.service
systemctl disable avahi-daemon.service
systemctl disable avahi.daemon. socket
systemctl disable dbus-org.freedesktop.Avahi.service
Chromium browser:
Launcher change: --password-store=basic
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| Doubts about Bootloader |
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Posted by: tuxd3v - 12-07-2019, 02:24 PM - Forum: Linux on RockPro64
- No Replies
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Hello all,
I have tried to build Rockpro64 bootloader..
But I am still confused with the methodology/ tools used..
I am using ATF mainline + u-Boot..
But it seems that the boards uses OPTEE Trusted Execution Environment instead of ATF?
Is this scheme bellow correct?
Code: +--------+----------------+----------+-------------+---------+
| Boot | Terminology #1 | Actual | Rockchip | Image |
| stage | | program | Image | Location|
| number | | name | Name | (sector)|
+--------+----------------+----------+-------------+---------+
| | | | | |
| 2 | Secondary | U-Boot |idbloader.img| 0x40 | pre-loader
| | Program | TPL/SPL | | |
| | Loader (SPL) | | | |
| 3 | - | U-Boot | u-boot.itb | 0x4000 | including u-boot and atf
| | | | | |
| 4 | - | /boot | boot.img | 0x8000 |
| | | | | |
| 5 | - | / | rootfs.img | 0x40000 |
+--------+----------------+----------+-------------+---------+
Does I need OPTEE 'tee.bin'( renamed as bl31.elf )??
I am already using ARM Trusted Firmware bl31.elf..
Can somebody help me?
Thanks in Advance,
Best Regards
tux
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| Printers? |
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Posted by: mspohr - 12-07-2019, 01:20 PM - Forum: Pinebook Pro Hardware and Accessories
- Replies (9)
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Didn't seem to have any printer configuration in the default distribution.
I used Synaptic to install CUPS and this found a few network printers. However, no way to configure them so they mostly print blank pages.
I installed system-config-printer but it won't authenticate. When I go to add a new printer, it asks for username and password (I only have the default) but tells me "not authorized".
Any suggestions for getting printing to work (obviously a newbie here).
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