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Voxel,
no problem. Vacation is important :)
atleast from my understanding this snippet :
Peter,
I did some investigation with this. Initially I also was sure (checking this script by my eyes) that these two lines limit r7500 CPU to 1GHz. I found somewhere similar settings for Krait CPU on Android phone. But after some tests I got a conclusion that this limitation just does not work. Maybe because of specific of this concrete ipq806x.I suppose that Netgear people just re-used existing script for Krait from Open Source codes w/o intensive checking. But resulting behaviour is OK (see below).
Just see the following with not modified powerctl on my router:
Benchmark berformed by me with this original powerctl in auto mode:
Self explanatory, right?
So, IMO stock powerctl works OK for most cases. In iddle state its freq is 800, when CPU is loaded by calculations it is switched to 1400.
Important comments in this script (auto mode):
It means that if CPU load is less than 40% then freq from 1400 is decreased by steps in 10% until it will be 800MHz.
I think this behaviour is optimal (especially during hot summer time)
Regards,
Voxel.
Sweet!
Thanks for the detailed investigation Voxel.
Bw,
Peter
Voxel,
indeed when under load, the current_freq goes up to 1400.
Just tho share a nice addition:
an addition inside the start() of powerctl i have added " ledcontrol -n power -c amber -s off" .
This way if you switch off the LED's from the button, all lights are off, in case they disturb you during the night. :)
Bw,
Peter
Peter, thanks for info.
You are right. I this correction practically immedistely after unboxing my r7500. My nighthawk works in "stealth mode" too. Too bright LEDs. The only difference is that I used "green", not amber :-)
Part of my startup script:
And what else: IMO it is better to use your own startup script from /etc/init.d keeping minimal changes in stock FW. See
http://myopenrouter.com/comment/38454#comment-38454
for details.
Regards,
Voxel.
Voxel,
I need to investigate it further, but on first sight it seems that those memory tweaks improove read/write speed from usb drive via Wireless.
I tried today with usb hub and few Harddrives and it seems to work without any issues :)
Bw,
Peter
Voxel,
i have probably a rather silly question.
How do you set the PATH on each ssh login to be the correct one?
Bw,
Peter
pepsinio,
You can modify the file /etc/profile to set global PATH. Change the line:
export PATH=. . .
Regards,
Voxel.
Peter,
Strange forum. Sometimes my posts are blocked. So I repeat:
you can modify the file /etc/profile, line with PATH setting. This will work after each your login.
Regards,
Voxel.
Thanks Voxel!
Indeed there is something funny with the message posts. I saw now your previous reply regarding this .
Bw,
Peter
Voxel,
what speeds do you get if you try to read/write from usb 3.0 attached disk via wireless? Do you have a consistent connection?
In my case the file transfer drops to 0b/s every 30seconds or so via wireless and the max speed is no more than 30MB/s and 60MB/s when connected with a wire.
Bw,
Peter
Peter,
You did not clarify what service. I suppose you mean samba. I have similar values. But I use samba server working under Debian,not from stock firmware. I do not have drops, but I have some problems during write: pause up to 20-30 sec before write progress bar for big files (10-20GB). Probably even not pause, but delayed information got by computer that actual transfer is started. I already can see in SSH session that file exist, but computer does not show progress yet (0%).
Regardsing speed IMO it is OK. Limited by disk performace. I have abot the same values (but w/o write pause) when I connect my USB3 2.5" HDD to computer.
Also, my eSATA 2.5" HDD is a bit faster according to my benchmarks. Bit maybe because of more fast disk itself connected to eSATA port.
Regards,
Voxel.
Voxel,
Thanks for the info. I may try different samba server as well i guess. The HDD which i connect to the router has Read speed of 110MB/s and in my case there seems to be a huge bottleneck on the router (especially the drop-outs). Additionally i get 'permission-denied' in some cases and it seems like that the HDD disconnects itself occasionaly and when it reconnects i get this error. Tried to speak with NETGEAR support, but they seem to have a hard time reaching me via phone :)
Tried to persuade NETGEAR Support to show a tutorial of the image compilation so that we can pre-build our own images. No response from them yet unfortunately.
Thank you for the useful information once again!
Bw,
Peter
for some reason I can't get another computer to ssh into the r7500 using the dropbear installation guide found on the first page of this thread. The first laptop that I used to ssh into the r7500 can still ssh into it just fine. But when I generate rsa keys (and tried dss as well) on a different client and add the public rsa key to the /root/.ssh/authorized_keys. But when I try to log in to the r7500 from this second client it says 'Connection closed by 192.168.1.1' (192.168.1.1 being the ip-address of my router). Is there some other set to get a client to be able to ssh into the r7500? Or a way to see a verbose logging output from dropbear? Thanks
Try to renew SSH server. I already compiled dropbear especially for r7500 from latest dropbear codes. My initial installation guide was based on dropbear taken from ASUS router. Now it is compiled using r7500 firmware chaintools. Maybe initial ASUS version is not very suitable for r7500...
See my short instruction (starting from the words "If you are interested in dropbear") in topic:
http://myopenrouter.com/comment/38452#comment-38452
and also check my next post (add-ons).
Regards,
Voxel.
beautiful. Updating to your latest dropbear worked fine. For some reason I could only get one client to connect with the old one. Thank you much!
Fine. I am glad that problem is solved.
This new version is really good. I use it 24/7 with SSH reverse tunnel, set by two r7500, so it is tested intensively. I changed a bit default compilation options of dropbear to get maximum performance (speed vs size of binary).BTW, FYI: ECDSA keys will work faster than RSA.
Did you succeed with Debian?
Regards,
Voxel.
Zdenkod,
after reflash i have the same issue. How did you manage to fix it?
Bw,
Peter
Voxel,
i reflashed my router and now for some reason i am not able to connect via SSH.
What i did was :
Peter,
The same suggestion: try to renew dropbear. See my previous post #78.
Regards,
Voxel.
Small addon:
Don't forget to add your public key (generated by puttygen) to authorized_keys file.
Voxel.
Thanks Voxel,
indeed i have forgotten the authorized_keys! :) Works fine now.
Bw,
Peter
Hi
I get this after the install:
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin#
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin# which wget
/usr/bin/wget
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin#
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin# /opt/opt/opt/opt/bin/opkg list
-ash: /opt/opt/opt/opt/bin/opkg: Permission denied
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin#
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bi
PATH
/opt/bin:/opt/sbin:/opt/usr/bin:/opt/usr/sbin:/bin:/sbin:/usr/bin:/usr/sbin
Same error:
oot@R7500v2:~/mnt/sda1/Download2/entware.arm/bin# ls
bmtemp locale.new mcdiff wget
chroot localedef.new mcedit wget-ssl
find mc opkg xargs
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin#
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin# /mnt/sda1/Download2/entware.arm/bin/opkg list
-ash: /mnt/sda1/Download2/entware.arm/bin/opkg: Permission denied
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin#
root@R7500v2:~/mnt/sda1/Download2/entware.arm/bin#
clvk07:
You should mount your disk (/dev/sda1) with execution permissions. By default r7500 mounts external disk with "noexec" option. And my advice to use HFS+ filesystem (case sensitive).
Just try to umount /mnt/sda1 and mount /dev/sda1 again from console.
Voxel.
HI Voxel that worked fine. Thanks. I created a startup script which dismount and mounts the usb every time the rooter reboots, all working great.
I also set up transmission working great. Can I ask you how did you get openvpn server to work? After installing the package, how can I create the keys etc.. top allow clients to connect to my router?
P.S. (your mailbox is full)
Thanks!!
Hi clvk07,
Regarding OpenVPN: too much to explain step-by-step. Try to google, there are a lot of articles. Note: I use OpenVPN under chrooted Debian. So if you will use Debian then google install OpenVPN under Debian.
Somewhere in this topic I described a trick with Netgear firewall which is needed for OpenVPN. Seek "net-wall" here.
Debian Jessie I put there: https://yadi.sk/d/LYPJSlRxkQ6ot
Mailbox - too many questions from r7500 owners :-)
Voxel.
P.S.
Debian installation:
I'm going to finally attempt to get Debian chroot working again, but I want to start fresh, since I've noticed some inconsistencies with my router. So I've tried doing a 30-30-30 reset, and restoring factory defaults throug the web gui. And even though the configuration is clean, all of the files that I've edited/added under /root, /etc, and other locations are still there. How in the world do I truly reset this router to get it to its virgin state?
looks like simply downgrading to an earlier firmware does the trick. I suppose it recognizes that it's the same firmware and doesn't do a complete reflash. Downgrading and then upgrading back to the latest worked.
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