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by bls
Fri Jul 24, 2020 4:29 pm
Forum: Networking and servers
Topic: Share HP LaserJet Pro P1102 with Rpi
Replies: 3
Views: 145

Re: Share HP LaserJet Pro P1102 with Rpi

Windows usually wants to have the print drivers installed on itself. If your Pi was a Windows system with working printers connected to it, Windows would copy the drivers from that system to itself. But, the cups HP drivers don't include Windows drivers, so you need to find them another way. Looks l...
by bls
Thu Jul 23, 2020 10:17 pm
Forum: General discussion
Topic: How many "5.4 broke..." threads before it is reverted?
Replies: 73
Views: 3185

Re: How many "5.4 broke..." threads before it is reverted?

I upgraded yesterday morning, and it ran fine. I updated again this morning, and it's still not exhibiting any issues. Did you try playing any full-screen videos yesterday with either Chromium browser or VLC? That was a confirmed issue with 8GB models and kernel 5.4.51 #1326 (some kind of DMA probl...
by bls
Thu Jul 23, 2020 9:43 pm
Forum: General discussion
Topic: How many "5.4 broke..." threads before it is reverted?
Replies: 73
Views: 3185

Re: How many "5.4 broke..." threads before it is reverted?

HawaiianPi wrote:
Thu Jul 23, 2020 9:40 pm
bls wrote:
Thu Jul 23, 2020 8:06 pm
Like @HawaiianPi, I upgraded my Pi48G and have not experienced any issues.
When did you upgrade, because they released a fix already (this morning).
I upgraded yesterday morning, and it ran fine. I updated again this morning, and it's still not exhibiting any issues.
by bls
Thu Jul 23, 2020 9:35 pm
Forum: General discussion
Topic: How many "5.4 broke..." threads before it is reverted?
Replies: 73
Views: 3185

Re: How many "5.4 broke..." threads before it is reverted?

I was thinking that it could be a script that generates a lovely well-formatted text file of some sort that people could voluntarily attach to their postings here. The automagic part would be that the tool (script?) is readily available and easily creates the formatted output. Users could easily re...
by bls
Thu Jul 23, 2020 9:09 pm
Forum: General discussion
Topic: How many "5.4 broke..." threads before it is reverted?
Replies: 73
Views: 3185

Re: How many "5.4 broke..." threads before it is reverted?

For the future, a tool that automagically gathered all the relevant info could certainly be useful in zeroing in on common root causes. While the idea of being able to automatically gather data on how systems are running (or not running), it is just such data gathering that people object to when MS...
by bls
Thu Jul 23, 2020 8:06 pm
Forum: General discussion
Topic: How many "5.4 broke..." threads before it is reverted?
Replies: 73
Views: 3185

Re: How many "5.4 broke..." threads before it is reverted?

I ran rpi-update on both RaspiOS32 & RaspiOS64 to get kernel 5.4 on fresh installs, and do not recognize any the "issues" reported. Yea, that's the thing that's missing in this thread. The issues were primarily with the 8GB models (the few exceptions were heavily overclocked). My 4B2 and 4B4 have n...
by bls
Thu Jul 23, 2020 5:14 pm
Forum: Troubleshooting
Topic: Can Someone Please Ping
Replies: 44
Views: 978

Re: Can Someone Please Ping

I'd like to do option 1, upgrade my net server to DNS server but I'd need a solid backup/restore system in place which so far I haven't felt comfortable with Setting up a DNS server on a Pi is as simple as apt-get, so there really isn't much that needs backing up. The main difficulty is making sure...
by bls
Thu Jul 23, 2020 2:27 pm
Forum: General discussion
Topic: VNC on Buster-lite
Replies: 11
Views: 505

Re: VNC on Buster-lite

You're corrrect that Buster Lite doesn't have a desktop by default. But there's nothing stopping you from installing the appropriate components. You can easily install the RaspiOS GUI on Buster Lite. See https://www.raspberrypi.org/forums/viewtopic.php?p=1256646#p1256646 . In addition, Buster has a...
by bls
Wed Jul 22, 2020 11:11 pm
Forum: General discussion
Topic: VNC on Buster-lite
Replies: 11
Views: 505

Re: VNC on Buster-lite

I run Buster Lite on all my Pis. My Pis are all headless, so I don't start the Xserver on the Pi desktop, but I'm pretty sure that running a VNC server requires some bits of the X Windows system. I did a writeup on how to install VNC on Buster Lite. It doesn't use RealVNC, which many people on this...
by bls
Mon Jul 20, 2020 3:01 pm
Forum: General discussion
Topic: 5.4 update today makes boot time longer (RPOS 32 Bit)
Replies: 44
Views: 1655

Re: 5.4 update today makes boot time longer (RPOS 32 Bit)

I updated/upgraded a Pi4 8GB system and got the 5.4 kernel. The boot time is comparable, and looking at systemd-analyze blame for both before and after the upgrade, the only thing that I noticed was longer was nfs-server.service, but the overall boot time was similar. Haven't done much testing on it...
by bls
Mon Jul 20, 2020 3:21 am
Forum: General discussion
Topic: Log traffic in and outgoing from the PI
Replies: 1
Views: 221

Re: Log traffic in and outgoing from the PI

Have a look at fail2ban
by bls
Sun Jul 19, 2020 10:16 pm
Forum: Networking and servers
Topic: Lose LAN connection, Internet OK, How Fix
Replies: 4
Views: 245

Re: Lose LAN connection, Internet OK, How Fix

I have FlightAware on a 10-day-old Buster SD card, built from the RaspiOS Lite image. In 10 days I haven't experienced any network connectivity issues to or from it, and don't expect to. I'm running wired, if that helps. I'm not a big fan of pre-built images for the Pi, because when things go wrong,...
by bls
Sat Jul 18, 2020 12:07 am
Forum: Troubleshooting
Topic: Can Someone Please Ping
Replies: 44
Views: 978

Re: Can Someone Please Ping

This all smells like yet another reason why I dislike using my router for DNS and DHCP. Two critical services to in making the network work, and they are enclosed in a (figurative) black box. Better if you're using dd-wrt, but I still don't like these critical services being enclosed, often with no ...
by bls
Fri Jul 17, 2020 1:40 pm
Forum: Troubleshooting
Topic: vsftpd.conf missing after installing vsftpd
Replies: 2
Views: 78

Re: vsftpd.conf missing after installing vsftpd

I did not have this issue when I installed vsftpd on Buster a few months ago. What does 'sudo dpkg-query -L vsftpd | grep conf'' say? Here's what I get: pisrvx/usr/share/doc/vsftpd/examples> sudo dpkg-query -L vsftpd | grep conf /etc/vsftpd.conf /usr/lib/tmpfiles.d/vsftpd.conf /usr/share/doc/vsftpd/...
by bls
Fri Jul 17, 2020 12:19 am
Forum: Troubleshooting
Topic: Rasberry PI OS - Problem setting static IP
Replies: 30
Views: 773

Re: Rasberry PI OS - Problem setting static IP

I've never been a fan of router-based DHCP servers. All well and good until the router dies and you are forced to get a new one, and 8-) there goes your DHCP database. This is especially annoying if you use static DHCP-assigned addresses, which I prefer to do. If my Pi-based DNS/DHCP server dies, I ...
by bls
Thu Jul 16, 2020 8:00 pm
Forum: Automation, sensing and robotics
Topic: RPi and webcam - monitor car speed in front of house
Replies: 4
Views: 272

Re: RPi and webcam - monitor car speed in front of house

Interesting! I'm putting this on my never-ending list of projects. Thanks!
by bls
Thu Jul 16, 2020 7:59 pm
Forum: Troubleshooting
Topic: Rasberry PI OS - Problem setting static IP
Replies: 30
Views: 773

Re: Rasberry PI OS - Problem setting static IP

In dhcpcd.conf add keyword "debug", you'll see in greater details what dhcpcd does in /var/log/syslog I have rebooted the system with debug enabled in dhcpcd.conf. This is the log cat /var/log/syslog | grep 192.168 Jul 16 01:21:16 raspberrypi4 dhclient[13799]: DHCPREQUEST for 192.168.1.189 on eth0 ...
by bls
Tue Jul 14, 2020 3:25 am
Forum: Arch
Topic: Manjaro with TigerVNC multi-user support
Replies: 2
Views: 239

Re: Manjaro with TigerVNC multi-user support

Great notes! I wrote up some similar notes for Raspbian, but they also work for many other distros, although installing packages is different.

https://github.com/gitbls/RPiVNCHowTo
by bls
Mon Jul 13, 2020 4:10 pm
Forum: Off topic discussion
Topic: Worst "production" Pi hardware installation
Replies: 26
Views: 1690

Re: Worst "production" Pi installation

Imperf3kt wrote:
Sun Jul 12, 2020 11:02 pm
I thought I was bad.
I cringe looking at that photo.
Exactly! I was frankly quite surprised that there weren't a few more cringing-type responses :roll:
by bls
Fri Jul 10, 2020 5:11 pm
Forum: Off topic discussion
Topic: Worst "production" Pi hardware installation
Replies: 26
Views: 1690

Re: Worst "production" Pi installation

hippy wrote:
Fri Jul 10, 2020 4:45 pm
Ah, right; the image is rotated when shown in the forum.
Nope, no image rotation. What you see is what he's got.
by bls
Fri Jul 10, 2020 4:27 pm
Forum: Off topic discussion
Topic: Worst "production" Pi hardware installation
Replies: 26
Views: 1690

Re: Worst "production" Pi installation

andrum99 wrote:
Fri Jul 10, 2020 3:43 pm
Nothing wrong with that. I'm assuming the pipes with 100PSI on them are air lines?
Can’t say for sure, but they are in a control room for an indoor swimming pool :shock:
by bls
Fri Jul 10, 2020 2:55 pm
Forum: Networking and servers
Topic: Can I use Pi as second router configured to use different DNS service?
Replies: 9
Views: 358

Re: Can I use Pi as second router configured to use different DNS service?

If the DHCP server on the Netgear is disabled, only the RPi is handing out IP parameters. How does the the dhcpd.conf example above give a different DNS server address to each of the two Rokus as the OP desires? isc-dhcp-server (and I assume others) allows different option settings (such as the DNS...
by bls
Fri Jul 10, 2020 2:50 pm
Forum: General discussion
Topic: Linux WIFI Not Supported by Spectrum/Charter?
Replies: 34
Views: 963

Re: Linux WIFI Not Supported by Spectrum/Charter?

There isn't any restriction. They just don't want to deal with tech support for anything else as their staff won't be trained on it and their manuals won't cover it. You're likely to get "your OS isn't on the supported list. please install a supported OS" as the stock reply to any tech support quer...
by bls
Fri Jul 10, 2020 2:44 pm
Forum: Off topic discussion
Topic: Worst "production" Pi hardware installation
Replies: 26
Views: 1690

Worst "production" Pi hardware installation

While some of us like to safely enclose our Pi systems in protective cases, some people think cases are like badges ("Badges? We don't need no stinkin badges!"). A friend of mine set up this beauty to do some temperature monitoring. Apparently once he got it working, it was on to the next thing :lol...
by bls
Fri Jul 10, 2020 3:00 am
Forum: Troubleshooting
Topic: My Buster version can't access DNS
Replies: 9
Views: 198

Re: My Buster version can't access DNS

In these two files

Code: Select all

/etc/dhcpd.conf
static domain_name_servers=8.8.4.4 8.8.8.8

more /etc/resolv.conf
# Generated by resolvconf
search 8.8.8.4
nameserver 192.168.1.1
Is "8.8.8.4" what you actually have in them?

If so, you might want to try changing it to "8.8.4.4" and see how that works. :roll:

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