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4815 discussions

Tor relay occasionally maxing out CPU usage
by William Kane 20 May '20

20 May '20

Hi there, I am the operator of the following relay: https://metrics.torproject.org/rs.html#details/47E1157F7DA6DF80EC00D745D73A… The relay is running on my Arch Linux server running kernel version 5.6.11. This is my tor configuration file: ORPort 37.157.195.83:38619 ORPort [2a02:2b88:2:1::3239:0]:38619 DirPort 37.157.195.83:44776 Nickname michaelscott ContactInfo ttallink(a)googlemail.com ControlPort 9051 SocksPort 0 CookieAuthentication 1 ExitPolicy reject *:* DataDirectory /var/lib/tor Sandbox 1 Linux kernel boot parameters from grub: quiet mitigations=off Kernel parameters from /etc/sysctl.d set on boot through systemd: kernel.dmesg_restrict = 1 net.ipv6.ip_nonlocal_bind = 1 kernel.yama.ptrace_scope = 3 vm.swappiness = 60 Tor systemd unit (shipped by distribution): [Unit] Description=Anonymizing Overlay Network After=network.target [Service] User=tor Type=simple ExecStart=/usr/bin/tor -f /etc/tor/torrc ExecReload=/usr/bin/kill -HUP $MAINPID KillSignal=SIGINT LimitNOFILE=8192 PrivateDevices=yes [Install] WantedBy=multi-user.target Tor systemd unit overrides: [Service] ProtectSystem=strict ProtectHome=true PrivateTmp=true ProtectKernelLogs=true ProtectKernelModules=true ProtectKernelTunables=true ProtectControlGroups=true NoNewPrivileges=true RestrictSUIDSGID=true RestrictAddressFamilies=AF_INET AF_INET6 ReadWritePaths=/var/lib/tor Occasionally, the CPU usage hit's 100%, and the maximum throughput drops down to around 16 Mbps from it's usual 80 Mbps. This happens randomly and not a fixed intervals which makes it pretty hard to profile. No abnormal entries in the log files. I found ticket #24857 in which someone describes a similar behavior, but on _Windows_. https://trac.torproject.org/projects/tor/ticket/24857 Is this also an issue on Linux? In that case, setting DirCache to 0 should fix the issue, however that would mean that, according to the manual, I would no longer be able to mirror directory information. If anyone else encountered the same problem and found a solution, please let me know. Best Regards, William

3 9

Tor relay - hardware upgrade and "Observed bandwidth" not changed
by lilyus＠pm.me 19 May '20

19 May '20

Hello, I recently upgraded the hardware of my Tor relay and the "Advertised Bandwith" did not change. https://metrics.torproject.org/rs.html#search/pelote :9001 > Bandwidth rate: 1024 MiB/s > Bandwidth burst: 1024 MiB/s > Observed bandwidth: 5.46 MiB/s :9101 > Bandwidth rate: 1024 MiB/s > Bandwidth burst: 1024 MiB/s > Observed bandwidth: 4.62 MiB/s My Internet provider allow: - 1 Gbit/s download - 600 Mbit/s upload The relay new hardware is "NUC8i5BEK" - Intel(R) Core(TM) i5-8259U CPU @ 2.30GHz - 8GB DDR4 SDRAM PC4-19200 - Samsung SSD 950 PRO 256GB nvme System: - OpenBSD 6.7 - tor-0.4.2.7 Relay configuration is done with https://github.com/nusenu/ansible-relayor No IPv6 (yet). Do I have to wait for something like "The lifecycle of a new relay" ? https://blog.torproject.org/lifecycle-new-relay Regards, Lilyus

1 0

warn message in notices .log after reinstallation of the relay (and restore of torrc and "keys" folder)
by David Strappazon 19 May '20

19 May '20

Hi, I had issues with my bridge who is running on a Raspberry pi 3+ so i've decided to completely reinstall it. First i saved my torrc file and my "keys" folder from /var/lib/tor. First thing i did after a clean install of the server was to copy and paste my torrc file in /etc/tor/ and the files "ed25519_master_id_secret_key" and "secret_id_key" in the keys directory. Anyway after starting Tor i had the following messages in notices.log: [warn] http status 400 '"looks like your keypair has changed?...etc...etc... i decided to completely replace the content of the keys folder by my backup but i still have the same message. When i go to Tor relay search i see my bridge with two different identities and both are offline ( one of the hashed fingerprints is the right one). Anyway if i run "nyx" i can see that Tor is working, reachable from the outside and some circuits are built. I suspect i make a mistake with the "keys" but i'm a little bit lost. Can you guys help me please ? Sent with [ProtonMail](https://protonmail.com) Secure Email.

1 0

tor relay on windows 10
by Станислав 18 May '20

18 May '20

4 6

consensus page 'down'
by Paul Geurts 18 May '20

18 May '20

it seems to me that the tor consensus page has not been updated since: Consensus was published 2020-05-14 19:00:00 UTC rgds. Paul

3 2

EOL 1938EBACBB1A7BFA888D9623C90061130E63BB3F FallbackDir
by Anders Burmeister 18 May '20

18 May '20

FallbackDir 1938EBACBB1A7BFA888D9623C90061130E63BB3F Expired rest of the family happily up and running. /anders

2 2

Relay keeps crashing (raspberry)
by David Strappazon 18 May '20

18 May '20

Hi, I've been running a bridge since october without issue. But two days ago i realized that my raspberry keep craching like every two hours or so. Nothing changed. I'm running kali linux (re4son kernel) on a raspberry PI 3 +. The logs don't show anything. Sometime on screen i have a thermometer icon but when i check the temperature in real time it is never over 60°C. I have updated and upgrading everything: same problem. My power supply looks ok. Any idea of what i should check or do to fix the problem? It worked very well for months. does saving my "key" and reinstalling everything could help? any tips would be welcome. regards, David Sent with [ProtonMail](https://protonmail.com) Secure Email.

3 3

Does this mean upgrades are working?
by Keifer Bly 18 May '20

18 May '20

Hi, upon configuring unattended upgrades, I am getting this on testing. Does this mean the upgrades are working properly? How will running upgrades every day effect my uptime? Thx. unanttended upgrades.PNG <https://drive.google.com/file/d/1jcm_STo87waEKMpxztdajQWXV4Enk89d/view?usp=…> --Keifer

3 3

OVH Service
by mnlph74 17 May '20

17 May '20

This is for Tor Relay Operators with OVH A couple of hours ago, I availed a VPS from OVH just to try it out and it's been 10 hours now and my payment was validated and the order is still being processed, is this a normal waiting time for the order to be delivered? Thanks for the help. Sent with [ProtonMail](https://protonmail.com) Secure Email.

2 2

Re: [tor-relays] Does this mean upgrades are working?
by Keifer Bly 17 May '20

17 May '20

This output does mean it will do this automatically correct? Thx On Sun, May 17, 2020 at 10:29 AM Matthew Smith <matt(a)offtopica.uk> wrote: > > Keifer Bly writes: > > How will running upgrades every day effect my uptime? Thx. > > When an update to Tor is available, it will be applied and then your Tor > daemon will be restarted. It will affect your uptime, but all of your > relay's flags (like fast, stable, ...) will still be there when it comes > back online. > -- --Keifer

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