[HowTo] Asus RT-N16 (Oleg) - optware the simple way

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28-10-2011, 11:48
ecaddict

If you only need NFS sharing there is no need to format your HDD as the firmware alone can do the sharing there is no need to install any optware to the HDD.

However you need to put what you'd like to share to /etc/exports
My tutorial puts this (as it allows NFS sharing for the /opt and /mnt directories):

Code:

# automagically generated from web settings /mnt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync) /opt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync)

As a first step plug in the HDD and check where it mounts with mount, e.g. I have a spare partition on my HDD that is automounted:
/dev/sda4 on /tmp/mnt/disca_4 type ext4 (rw,noatime,barrier=1,data=writeback)

So replace e.g. /mnt with what you'd like to share e.g. in my case it could be /tmp/mnt/disca_4

E.g. put this to /etc/exports (of course you can have a better mountpoint with /etc/fstab):

Code:

/tmp/mnt/disca_4 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync)

The /etc files are not saved to flash (so lost) after restart unless you indicate to the firmware what files to make persistent. This is done in
/usr/local/.files
So you have to put /etc/exports there.
You can do it actually if you copy-paste this:

Code:

cat > /usr/local/.files << __EOF__ /etc/fstab /etc/exports /etc/passwd /etc/group __EOF__

Than make everything persistent with
flashfs save && flashfs commit && flashfs enable

If you need optware then
1. either you need a HDD/USB stick that has the following partitions:
swap
/opt
/mnt
2. or adjust /etc/fstab
Which by the tutorial (for 2.6 kernels!)

Code:

#device Mountpoint FStype Options Dump Pass# /dev/sda1 none swap sw 0 0 /dev/sda3 /mnt ext3 rw,noatime 1 1 /dev/sda2 /opt ext3 rw,noatime 1 1

However you can easily swap e.g. /opt to be /dev/sda3 or as you like.

Note: web interface may work as well, however I've never used the web interface...
28-10-2011, 20:39
Endless

Thx OP for the fast reply..

I am completely a Linux noob.

I tired to run those code using PuTTY

I get this after I enter this code:
/mnt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync )
-sh: syntax error: unexpected "("

btw how do I ctrl+c in PuTTY? After I get this working its seem cool to install optware
28-10-2011, 21:18
ecaddict

Quote:

Originally Posted by Endless

I get this after I enter this code:
/mnt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync )
-sh: syntax error: unexpected "("

btw how do I ctrl+c in PuTTY? After I get this working its seem cool to install optware

That's not a code that you run, but should be put to the file I wrote. Please read it carefully.
By default also nothing is mounted below /mnt (unless set in /etc/fstab).

In PuTTY you have to right click to the top of the window status bar and select mark (if I remember correctly), then drag while pushing left button.
Maybe the best way would be to put some USB stick to the router temporary and install the basic optware (don't connect the HDD with full of data as it will be formatted!).

But the best would be to learn some basic Linux or stick to the router's web interface for NFS sharing.
I've created this tutorial in mind that you're willing to sacrifice the content of some HDD or USB stick and put optware. After this done, it's possible to fill the HDD via one of the sharings or connect a second HDD (with data) and e.g. link it to somewhere in the directory structure.
Anyhow some basic IT knowledge would be needed even in this case or goole search. It's mission impossible to tell everything via posts.
30-10-2011, 11:48
Endless

I try everything to look at what u wrote.
I put those command in "NFS Server Exports" under the web interface.
I am running windows xp
In my network place I see 2 folder "sda1 on Asus RT-N16 (Asus)" and "share on Asus RT-N16 (Asus)" but cannon open them says "You might not have permission to use this network resource......."
30-10-2011, 19:30
ecaddict

On the router (so via PuTTY) please check the output of the following commands:
mount
cat /etc/exports

The cat should show something like this (except /mnt):

Code:

/mnt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync)

Note: The end of the command is important (and I suspect you cannot configure it in the web interface) as XP cannot handle at all Linux GUD/UIDs.

On XP please check the output of the following commands (after installing Windows Services for UNIX, free download from MS):
showmount -e 192.168.1.1

You should see something like this:

Code:

showmount -e 192.168.1.1 Exports list on 192.168.1.1: /mnt All Machines

You can mount the share with (note \mnt is what you've shared and the showmount shows)
mount \\192.168.1.1\mnt *

You should see something like this:

Code:

mount \\192.168.1.1\mnt * K: is now successfully connected to \\192.168.1.1\mnt
30-10-2011, 21:20
Endless

This is the log what I get from following your commands:

Code:

[admin@TV root]$ mount rootfs on / type rootfs (rw) /dev/root on / type squashfs (ro) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devfs on /dev type tmpfs (rw,noatime) devpts on /dev/pts type devpts (rw) tmpfs on /tmp type tmpfs (rw,noatime) usbfs on /proc/bus/usb type usbfs (rw) nfsd on /proc/fs/nfsd type nfsd (rw) /dev/discs/disca/part1 on /tmp/mnt/disca_1 type fuseblk (rw,user_id=0,group_id=0,allow_other,blksize=4096) [admin@TV root]$ cat /etc/exports # automagically generated from web settings /tmp/harddisk/# automagically generated from web settings /mnt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync) /opt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync) /tmp/mnt/TV 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0,sync) /tmp/harddisk/cat > /usr/local/.files << __EOF__ /etc/fstab /etc/exports /etc/passwd /etc/group /tmp/harddisk/__EOF__ [admin@TV root]$ /mnt 192.168.1.0/24(rw,insecure,all_squash,anonuid=0,anongid=0, sync) -sh: syntax error: unexpected "(" [admin@TV root]$ showmount -e 192.168.1.1 Export list for 192.168.1.1: /tmp/harddisk/__EOF__ * /tmp/etc/group * /tmp/etc/passwd * /tmp/etc/exports * /etc/fstab * /tmp/harddisk/cat /usr/local/.files /tmp/mnt/TV 192.168.1.0/24 /opt 192.168.1.0/24 /mnt 192.168.1.0/24 [admin@TV root]$ Exports list on 192.168.1.1: -sh: Exports: not found [admin@TV root]$ /mnt All Machines -sh: /mnt: Permission denied [admin@TV root]$ mount \\192.168.1.1\mnt * mount: mounting \192.168.1.1mnt on * failed: No such file or directory [admin@TV root]$
31-10-2011, 17:56
tex

wl500gp

Hi and thanks for all the help for a newby like i'am. I've tryed to do all the procedure with my wl500gp and in the beginning it work's fine but after a while it starts to go very slow in the access to the router, the internet is not working...My need is only to install the new version of torrent on the wl500gp. So now i've done again the procedure till the formattation of the Hard disk but if i try to install transmission following your other post it doesn't work. So could you please tell me what procedure i need to install transmission on my router, after having done the first two steps of your tutorial and without having installed the optware? Thank you for your help

PS i've used your procedure because is very fast and easy instead of Wengi tutorial that is more difficoult for me... Thank you
31-10-2011, 19:18
ecaddict

Quote:

Originally Posted by tex

So could you please tell me what procedure i need to install transmission on my router, after having done the first two steps of your tutorial and without having installed the optware?

That's not an option. The reason why you cannot install transmission without basic optware is that it contains essential files/configuration for the subsequent installs (including transmission).

If your router contains only 32MB RAM, I can understand your request. What you can do is (after basic optware install but before transmission install):
1. remove the old transmissiond with the following command

Code:

ipkg remove transmissiond

2. Prevent the start of unnecessary services from /opt/etc/init.d/ and that can be done via renaming them to DS...., e.g. S45php -> DS45php or S80busybox_httpd->DS80busybox_httpd.
Please note however that e.g. php can be needed for other programs...
(The busybox_httpd is not, however you don't gain too much with it.)

Also reducing max. bandwidth of transmission and memory usage may help.

The best is however to use 128MB RAM router (either upgraded or factory) if you plan to run many programs. 32MB RAM restricts too much what you can do.
31-10-2011, 22:44
tex

Thank you for your answer. I'm not able to upgrade the router memory so the best way is to follow again Wengi's tutorial, because transmission worked very good for some years till a crush of the system. Thank you.
26-11-2011, 10:29
tex

Hi Ecaddict,
i followed your advise. Installed your image and then renamed all the services i don't need

Quote:

DK70mysqld
DS45php
DS58proftpd
DS70mysqld
DS80busybox_httpd
DS80lighttpd
DS90mediatomb
rc.unslung
S05syslogd
S10xinetd
S10cron
S60transmission
S90twonkymedia
S80samba

This is my init.d folder. And now everything is working properly, a little bit slow..... but working
This is my free

Quote:

[admin@hd asus root]$ free
total used free shared buffers cached
Mem: 30052 29204 848 0 1084 4644
-/+ buffers/cache: 23476 6576
Swap: 506008 65416 440592

Do you think that i can improve my memory performance without adding RAM?
Thank you
26-11-2011, 18:17
ecaddict

The WL-500 family of routers has a relatively slow CPU (as today's standards go) so for slowness it can be also the reason not just the RAM. I don't have too much experience with 32MB RAM as I've made an upgrade to 128MB very quickly (as with 32MB too much swapping was going on and HDD usage LED was way to active; this was with WL-500gPv1) .

If it does what you need, don't care after all this is a router, not a real server or NAS.

If it becomes annoying you can still change to the faster RT-N16 (this is what I use, it can e.g. easily compile e.g. minidlna within 5 minutes, the rest of the time is spent on downloading and configuring packages).

One thing that occurred to me that may help you: I've noticed that Transmission memory usage becomes excessive after a while (weeks on RT-N16) and although I'm not sure yet you may try to set false "alt-speed-enabled" and "watch-dir-enabled" in /opt/etc/transmission/settings.json (as I suspect that it helps).
29-01-2012, 11:54
tex

Hallo everybody,
after a while i left the wl500gp and buy the RT-N16. Followed Ecaddict tutorial and everything works fine. I'm using this router mainly for transmission so i don't use other stuffs. I've a 500G HD on the router. Now my problem is that the torrent webpage gives this error: "unable to save resume file: no space left on device" and when i check the OPT partition is full (1 G , no available space) Both temp files and complete downloads are set to be stored in the MNT partition (MNT/storage/downloaders/transmission/done and work)
There is a way to increase OPT space without formatting everything?
Thank you very much for your help
29-01-2012, 18:58
ecaddict

What you could do:

1. Stop transmission (/opt/etc/init.d/S60transmission stop)
2. move /opt/etc/transmission/torrents etc. to somewhere in /mnt (e.g. using mc)
3. link the directory in /mn to /opt e.g. ln -s /mnt/protected/Downloaders/Transmission/torrents /opt/etc/transmission
4. start transmission
31-01-2012, 07:51
tex

thank you very much for your advise, but i think that, also if i resolve the transmission problem, for the router is not so good to work with no free space in the OPT partition. So I've done again the procedure of your tutorial changing the first line from +1024 to +10240 and now i've a OPT of 10 Gb.
Why i filled the OPT partition? I've made some error? I installed the last version of transmission and miniDLNA more then normal installation. Thank you
25-06-2012, 22:43
tex

1 Attachment(s)

ASUS.err file

Hi, after some months get the same error of OPT partition full (10 Gb) and i noticed that there is a file that increases in size every moment. The file is ASUS.err and became so big to fill all the OPT partition. I cleaned it but it starts again increasing progressively in size...
Attachment 9148
What is this file for??? How can i clean it? Thank you
12-04-2013, 20:34
la7low

port 80

Hi All,
the topic is not so active. Yet this simple-way installation works flawlessly big thanks for it.
My only question is what uses port 80? I wanted to set port 80 in lighhttpd.conf from 8082, but I got the following:
"(network.c.379) can't bind to port: 80 Address already in use"
How can I find out what uses port 80?
I removed Transmission, rtorrent is configured to a different port...
cheers
12-05-2013, 22:23
MercuryV

Quote:

Originally Posted by la7low

How can I find out what uses port 80?

It's typically webserver serving firmware web interface.
But you can check this. For example, on my device it's nginx

Code:

$ netstat -nlp | grep ':80 ' tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 579/nginx $ which nginx /opt/sbin/nginx

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