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

[ecaddict]

Updated on 21.10.2011 to work also with 2.4 kernel routers

If you have just changed to Oleg firmware without Linux experience, this short tutorial may help. It re-uses the excellent Wengi tutorial and Raas image.
Official Oleg firmware version: http://code.google.com/p/wl500g/downloads/list

You'll need USB stick/HDD (>2GB, but reasonable size HDD if you plan to store/download files as USB sticks wear out).
Note: Do not store any data on the disk as it will be re-partitioned and everything will be lost.
Connect only the disk that will contain the system!

Do not change user name from admin, some programs rely on that.

After connecting USB storage, reboot the router and wait for ~1 min to detect the USB storage

telnet/PuTTY (you have to enable it in web interface) to your router 192.168.1.1 username:admin, password what you use with web interface (change it from default!)

Copy the following lines (creates partition table) and paste it to the terminal as such (right click/what works with your mouse):
Note: all of your data in the stick/HDD will be lost

echo -e "o\nn\np\n1\n\n+256M\nn\np\n2\n\n+1024M\nn\np\n3\n\n\nt\n1\n82\nw" > /tmp/parttbl
case "`/bin/uname -r`" in
    2.6* ) fdisk /dev/sda < /tmp/parttbl;;
    2.4* ) fdisk /dev/discs/disc0/disc < /tmp/parttbl;;
esac
echo "" > /etc/fstab
flashfs save && flashfs commit && flashfs enable
reboot
echo "Wait till reboot (terminal disconnect)"

Wait ~1 min. after rebooting the router to detect the USB storage.
telnet/PuTTY again to the router
copy-paste the following lines as such (formats stick/HDD):

for i in `cat /proc/mounts | awk '/tmp\/mnt/{print($1)}'`;do umount $i; done
case "`/bin/uname -r`" in
    2.6* ) mkswap /dev/sda1 && swapon /dev/sda1 && mke2fs -j /dev/sda2 && mke2fs -j /dev/sda3;;
    2.4* ) mkswap /dev/discs/disc0/part1 && swapon /dev/discs/disc0/part1 && mke2fs -j /dev/discs/disc0/part2 &&  mke2fs -j /dev/discs/disc0/part3;;
esac
free

You're now ready to install optware.
Make sure that the router has a working internet connection (as image files are downloaded like flashf.tar.gz).
Copy-paste to the terminal (telnet/PuTTY) you logged in to the router as such:

DLN=`wget -q "http://wl500g.info/showpost.php?p=193668&postcount=1" -O - | /bin/sed -n '/flashf.*tar.gz/p'`
DLL=`echo "$DLN" | /bin/sed -n 's/.*\(attachmentid=[0-9]*\).*;\(d=[0-9]*\).*/\1\&\2/p'`
cd /tmp && wget -O flashf.tar.gz "http://wl500g.info/attachment.php?${DLL}" && cd / && tar -xvzf /tmp/flashf.tar.gz
chmod +x /usr/local/sbin/*
case "`/bin/uname -r`" in 2.4*)
cat > /etc/fstab << __EOF__
#device Mountpoint FStype Options Dump Pass#
/dev/discs/disc0/part1 none swap sw 0 0
/dev/discs/disc0/part3 /mnt ext3 rw,noatime 1 1
/dev/discs/disc0/part2 /opt ext3 rw,noatime 1 1
__EOF__
mkswap /dev/discs/disc0/part1
swapon /dev/discs/disc0/part1
;;esac
flashfs save && flashfs commit && flashfs enable
[ "`awk '/SwapTotal/{print($2)}' /proc/meminfo`" -eq 0 ] && mkswap /dev/sda1 && swapon /dev/sda1
case "`/bin/uname -r`" in
    2.6* ) mount -o noatime -t ext3 /dev/sda2 /opt && mount -o noatime -t ext3 /dev/sda3 /mnt;;
    2.4* ) mount -o noatime -t ext3 /dev/discs/disc0/part2 /opt && mount -o noatime -t ext3 /dev/discs/disc0/part3 /mnt;;
esac
[ -n "`mount | sed -n '/\/opt/p'`" ] && [ -n "`mount | sed -n '/\/mnt/p'`" ] && cd /mnt && wget http://files.wl500g.info/asus/custom/raas/v10/opt.tar.gz && cd / && tar -xvzf /mnt/opt.tar.gz && cd /opt && wget http://files.wl500g.info/asus/custom/raas/v10/mnt.tar.gz && cd / && tar -xvzf /opt/mnt.tar.gz
ipkg update
cd /mnt && wget http://rutorrent.googlecode.com/files/rutorrent-3.3.tar.gz && tar -xvzf rutorrent-3.3.tar.gz
ipkg install readline && ln -s /opt/lib/libreadline.so.6.1 /opt/lib/libreadline.so.5
[ -x /opt/etc/init.d/rc.unslung ] && /opt/etc/init.d/rc.unslung start
/opt/bin/ps afx

Installation is completed in a few minutes.

You can navigate to router's web interface, the best starting point is:
http://192.168.1.1:8082/cms/
username: admin
password: asus


ADOS (http/ftp downloader, you may use fewgets as well, it's a bit simpler)
http://192.168.1.1:8082/protected/WebUI/ados/
You have to login second time to ADOS as well.
username: admin
password: logitech

Transmission (torrent client) http://192.168.1.1:8082/cgi-bin/transmission.cgi
Simply put your torrent files in /mnt/protected/Downloaders/Transmission/source and download should start in the background.
Note: transmission program is started by scheduler that runs in every 30 min so it may take some time before transmission starts.

You may wish to switch to newer version of Transmission, separate tutorial is here.

If you prefer rtorrent over Transmission (like I do) copy-paste:

ipkg update
ipkg install rtorrent gnuplot
mkdir -p /opt/share/torrent/session
mkdir -p /mnt/protected/Downloaders/rtorrent
sed -i -e 's#/opt/bin/bash#/bin/sh#' -e 's#"root"#"admin"#' -e 's#test -x /opt/bin/su.*##' -e 's#su -c \"##' -e 's#\" ${user}##' /opt/etc/init.d/S99rtorrent
cd /opt/etc && sed -i 's#/opt/share/torrent/work/#/mnt/protected/Downloaders/rtorrent/#' rtorrent.conf
[ -z "`/bin/sed -n '/scgi_port =/p' rtorrent.conf`" ] && echo "scgi_port = localhost:5000" >> rtorrent.conf
echo "schedule = log,180,180,\"execute=/opt/etc/rtorrlog,\$get_down_rate=,\$get_up_rate=\"" >> rtorrent.conf
cd /opt/etc/lighttpd/ && [ ! -f lighttpd.conf.raas ] && cp lighttpd.conf lighttpd.conf.raas
[ -z "`/bin/sed -n '/^[^#].*mod_scgi/p' lighttpd.conf`" ] && sed -i 's/"mod_fastcgi",/"mod_fastcgi",\n\t\t\t\t"mod_scgi",/' lighttpd.conf
LIN1=`echo -e "\nscgi.server   = (\"/RPC2\" =>\n\t\t ( \"127.0.0.1\" =>\n\t\t   (\n\t\t    \"host\" => \"127.0.0.1\",\n\t\t    \"port\" => 5000,\n\t\t    \"check-local\" => \"disable\"\n\t\t   )\n\t\t )\n\t\t)"`
LIN2=`echo -e "SERVER[\"socket\"] == \":443\" {\nssl.engine\t= \"enable\"\nssl.pemfile\t= \"/opt/etc/lighttpd/lighttpd.pem\"\nserver.document-root\t= \"/mnt/\"\n  auth.require = ( \"\" =>\n\t\t (\n\t\t  \"method\"  => \"digest\",\n\t\t  \"realm\"   => \"RT-N16\",\n\t\t  \"require\" => \"user=admin\"\n\t\t )\n\t\t)\n}"`
[ -z "`/bin/sed -n '/":443"/p' lighttpd.conf`" ] && echo -e "$LIN1\n\n\$$LIN2" >> lighttpd.conf
DLN=`wget -q "http://wl500g.info/showpost.php?p=158865&postcount=1" -O - | /bin/sed -n '/fewgets.*tar.gz/p'`
DLL=`echo "$DLN" | /bin/sed -n 's/.*\(attachmentid=[0-9]*\).*;\(d=[0-9]*\).*/\1\&\2/p'`
cd /mnt && wget -O fewgets.tar.gz "http://wl500g.info/attachment.php?${DLL}" && cd / && tar -xvzf /mnt/fewgets.tar.gz
flashfs save && flashfs commit && flashfs enable
/opt/etc/init.d/S80lighttpd restart
/opt/etc/init.d/S99rtorrent start
mkdir -p /mnt/protected/ewget
/bin/ps | grep lighttpd

You can use it with nTorrent (http://code.google.com/p/ntorrent/), however there is a nice web front end to it, named ruTorrent (http://code.google.com/p/rutorrent/)
Do not change lighttpd.conf any further until you're familiar with the system.
ruTorrent web interface:
http://192.168.1.1:8082/rutorrent/
From internet: https://<your public IP|dyndns host name>/rutorrent/

fewgets: http://192.168.1.1:8082/cgi-bin/fewgets.cgi

Don't forget to change the web password in /opt/etc/lighttpd/.lighttpdpassword as the https port is also available from internet!

For installing a kernel modules a separate tutorial exists.

For OpenVPN I've created a separate tutorial.

For DLNA media servers I've created a separate tutorial.

For Tor & polipo a separate tutorial exists. Tor & polipo thread.

Replacing Samba2 with Samba3 (optional):

killall smbd nmbd
cd /opt/etc/samba && [ ! -f smb.conf.raas ] && cp smb.conf smb.conf.raas
ipkg remove samba2 
ipkg install samba samba3-swat
sed -i 's/samba_active=0/samba_active=1/' /opt/etc/init.d/S08samba
cd /mnt && wget -O smb.tar.gz "http://wl500g.info/attachment.php?attachmentid=6455&d=1274467707" && cd / && tar -xvzf /mnt/smb.tar.gz
/opt/etc/init.d/S08samba start
/bin/ps | grep smbd

smb.tar.gz

A few notes:
- Don't upgrade the packages unless you know what you're doing as it may replace the working .conf files (save e.g. copy to /mnt the entire /opt/etc before doing so)
- If you install the latest lighttpd with ipkg install lighttpd you have to change in /opt/etc/lighttpd/lighttpd.conf server.event-handler to this:
server.event-handler = "poll"
- You may need to restrict the memory usage of rtorrent in /opt/etc/rtorrent.conf, e.g. to 64 MB:
max_memory_usage = 67108864
for other configuration options see http://linux.die.net/man/1/rtorrent
Enjoy! It worked for me, but there is no guaranty. I shall not be liable of anything if something goes wrong. Use it at your own risk.