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| == Enabling telnetd == | | == MediaInfo-RAR == |
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| '''It is entirely possible that you can break your hardware, for which I can not be held responsible, nor is it likely you will get help from Syabas. This guide should not be read by ''anyone'' '''
| | Welcome to the MediaInfo-RAR utility page. This is just a small front-end to the famous and most excellent [http://mediainfo.sourceforge.net/en MediaInfo] program, which enables the feature to scan media in RAR archives. |
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| | [[mediainfo_rar_Example|Example]] output. |
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| It all started with a theory that since the FTPD, NFSD, and SMBD all live on the HDD (since indeed, it would be pointless to run them if you had no storage to share) perhaps they could be tweaked with. I had been warned that the NMT might be using binary signatures so perhaps I would not be able to replace the binaries themselves, nor was I sure my cross-compile toolchain was correct anyway. But maybe I could wrap FTPD in a shell script or similar and see if I can not somehow gleam more information.
| | === Sources === |
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| === Step 1 ===
| | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-1.1.0.tar.gz mediainfo-rar-1.1.0.tar.gz] Sources for all platforms. |
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| I took out the HDD, and mounted it on OsX. (After installing that most excellent ext3 driver!). Lo-and-behold, there are two (well 3) partitions on the HDD:
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| initial mflag swap size
| | === Binaries === |
| 1 1 0 257008
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| 2 0 1 506047
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| 3 1 0 11805585
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| So, a 250MB partition 1, swap and then the rest of the disk for your media files. Taking a look at partition 1 we find:
| | Win32 |
| | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-win32-1.1.0.rar mediainfo-rar-win32-1.1.0.rar] Windows command line executable, 32bit. |
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| # ls -l | | OsX |
| drwxr-xr-x 8 515 500 4096 Dec 22 07:58 syb8634 | | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-OsX-UB-1.1.0.tar.gz mediainfo-rar-OsX-UB-1.1.0.tar.gz] OsX command line executable, Universal Binary (ppc, i386, x86_64). |
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| # ls -l syb8634
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| -rwxr-xr-- 1 515 500 4811 Dec 13 15:22 CHANGELOG
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| -rwxr-xr-x 1 515 500 28 Dec 13 15:25 MIN_FIRMWARE_VER
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| -rwxr-xr-- 1 515 500 24 Dec 13 15:25 VERSION
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| drwxr-xr-x 2 515 500 4096 Dec 22 07:58 bin
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| drwxr-xr-x 2 515 500 4096 Dec 31 21:19 etc
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| drwxr-xr-x 2 515 500 4096 Dec 22 07:57 lib
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| drwxr-xr-x 2 515 500 4096 Dec 22 07:58 nfsserver
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| drwxrwxrwx 3 515 500 4096 Dec 31 21:19 server
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| drwxrwxr-x 6 515 500 4096 Dec 22 07:57 web
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| # ls -l syb8634/etc
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| -rwxr-xr-x 1 515 500 575 Dec 6 18:52 btpd-env.sh
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| -rwxr-xr-x 1 515 500 965 Oct 24 15:16 btpd-nvram.sh
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| -rwxr-xr-x 1 515 500 1962 Dec 6 19:41 btpd.sh
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| -rwxr-xr-x 1 515 500 203 Oct 24 15:16 btpd_get_setting.sh
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| -rwxr-xr-x 1 515 500 523 Dec 30 21:00 ftpserver.sh
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| -rwxr-xr-- 1 515 500 1978 Dec 13 15:19 nfsserver.sh
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| -rw------- 1 root root 152 Dec 31 21:19 pureftpd.passwd
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| -rw------- 1 root root 2228 Dec 31 21:19 pureftpd.pdb
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| -rwxr-xr-x 1 515 500 718 Nov 29 12:37 smb.sh
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| Nice. pure-ftpd is there, and we know it has to be run as root (to be allowed to open port 25), but also, the startup script! As well as pure-ftpd password file. Nice. My next step, as I did not want to attempt to change any binary, nor startup script unless I had to, was to change the pure-ftpd passwd file to allow a root login.
| | NMT C200 |
| | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-C200-1.1.0.tar.gz mediainfo-rar-C200-1.1.0.tar.gz] NetworkedMediaTank, x200 series, MIPS32 |
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| As it turns out, pure-ftpd is too picky about root users, I had to change quite a lot just to be able to create the db file, let alone allow me to login. So, I modified '''ftpuser'''s account to not be chroot. (Ie, remove the '/./' end part of the home directory.
| | Linux x86 |
| | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-Linux-x86-1.1.0.tar.gz mediainfo-rar-Linux-x86-1.1.0.tar.gz] Linux x86 |
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| This allowed me to login as '''ftpuser''' and look around from '''/'''. First thing I noticed was:
| | Linux x64 |
| | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-Linux_x64-1.1.0.tar.gz mediainfo-rar-Linux-x64-1.1.0.tar.gz] Linux x64 |
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| # ls -l /usr/sbin/ | | Solaris x86 |
| -rwxr-xr-x 1 514 root 12908 Jan 1 2000 boot_auth
| | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-Solaris-x86-1.1.0.tar.gz mediainfo-rar-Solaris-x86-1.1.0.tar.gz] Solaris x86 |
| lrwxrwxrwx 1 514 root 17 Jan 1 2000 crond -> ../../bin/busybox
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| lrwxrwxrwx 1 root root 31 Dec 31 21:19 exportfs -> /mnt/syb8634/nfsserver/exportfs
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| lrwxrwxrwx 1 root root 29 Dec 31 21:19 mountd -> /mnt/syb8634/nfsserver/mountd
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| lrwxrwxrwx 1 root root 27 Dec 31 21:19 nfsd -> /mnt/syb8634/nfsserver/nfsd
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| lrwxrwxrwx 1 root root 30 Dec 31 21:19 portmap -> /mnt/syb8634/nfsserver/portmap
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| lrwxrwxrwx 1 root root 28 Dec 31 21:19 statd -> /mnt/syb8634/nfsserver/statd
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| lrwxrwxrwx 1 514 root 17 Jan 1 2000 telnetd -> ../../bin/busybox
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| Nice, '''telnetd'''! Saves me an hour trying to compile my own. I was also allowed to fetch '''/etc/shadow''' which informed me that '''root''' has no password. Nice, saves me another hour.
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| === Step 2 === | | === Older Sources === |
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| So, it is time to start telnetd. I made my changes like this:
| | [http://www.lundman.net/ftp/mediainfo-rar/mediainfo-rar-1.1.0.tar.gz mediainfo-rar-1.1.0.tar.gz] Sources for all platforms. |
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| # cat syb8634/etc/ftpserver.sh
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| #!/bin/sh
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| #
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| # Pure FTP Server
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| #
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| start() {
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| echo "Starting FTP Server..."
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| /mnt/syb8634/bin/nmt_services.cgi cmd=ftp_passwd opt=ftpuser
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| /mnt/syb8634/bin/pure-ftpd -j -lpuredb:/mnt/syb8634/etc/pureftpd.pdb -U 000:000 -c 10 -k 100 &
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| '''/usr/sbin/telnetd &'''
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| }
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| Notice the '''&''' is part of the command, to put it in the background.
| | === Changelog === |
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| | 1.2.0 Added ISO support, using libdvdread-plus library |
| | Added -l (--list) argument to list contents of ISO files. |
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| === Step 3 ===
| | 1.1.0 First version. |
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| Boot up and:
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| # telnet 192.168.11.21 | |
| Connected to 192.168.11.21.
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| Escape character is '^]'.
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| BusyBox v1.5.0 (2007-12-14 18:01:15 MYT) Built-in shell (ash)
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| Enter 'help' for a list of built-in commands.
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| / # uname -a
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| Linux nmt 2.6.15-sigma #1282 PREEMPT Tue Dec 18 22:06:01 MYT 2007 mips unknown
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| / #
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| For those of you who like information like myself, the system looks like this when idle:
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| / # df -h
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| Filesystem Size Used Available Use% Mounted on
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| /dev/hda1 247.0M 58.6M 175.9M 25% /mnt
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| /dev/hda3 292.7G 140.9G 137.0G 51% /opt/sybhttpd/localhost.drives/HARD_DISK
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| / # mount
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| rootfs on / type rootfs (rw)
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| proc on /proc type proc (rw,nodiratime)
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| devpts on /dev/pts type devpts (rw)
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| tmpfs on /tmp type tmpfs (rw)
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| none on /sys type sysfs (rw)
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| /dev/hda1 on /mnt type ext3 (rw,data=ordered)
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| /dev/hda3 on /opt/sybhttpd/localhost.drives/HARD_DISK type ext3 (rw,noatime,nodiratime,data=ordered)
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| / # ps -w
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| PID Uid VSZ Stat Command
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| 1 root 1940 S init
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| 2 root SWN [ksoftirqd/0]
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| 3 root SW< [events/0]
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| 4 root SW< [khelper]
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| 5 root SW< [kthread]
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| 6 root SW< [kblockd/0]
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| 9 root SW< [khubd]
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| 52 root SW [pdflush]
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| 53 root SW [pdflush]
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| 55 root SW< [aio/0]
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| 54 root SW [kswapd0]
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| 56 root SW [cifsoplockd]
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| 57 root SW [cifsdnotifyd]
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| 640 root SW< [kseriod]
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| 666 root SW [mtdblockd]
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| 704 root SW< [scsi_eh_0]
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| 705 root SW< [usb-storage]
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| 734 root 1128 S < udevd
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| 772 root 1956 S udhcpc -R -b -p /var/run/udhcpc.eth0.pid -i eth0
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| 836 root 1384 S lircd
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| 840 root 1116 S fipd
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| 854 root 1944 S crond
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| 881 root SW [kjournald]
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| 888 root SW [kjournald]
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| 899 root 2516 S ./sybhttpd /opt/sybhttpd
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| 900 root 1092 S mounter
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| 901 root 1712 S cdstatus
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| 905 root 2784 S /upnp/upnpapp
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| 915 root 2784 S /upnp/upnpapp
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| 916 root 2784 S /upnp/upnpapp
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| 917 root 1392 S mDNSNetMonitor
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| 918 root 2784 S /upnp/upnpapp
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| 919 root 2744 S /upnp/upnpapp
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| 931 root 14276 S ./gaya
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| 932 root 1160 S ./ipmonitor
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| 952 root 14276 S ./gaya
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| 977 root 1608 S pure-ftpd (SERVER)
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| 982 root 1940 S /usr/sbin/telnetd
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| 999 daemon 1392 S /usr/sbin/portmap
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| 1002 root SW< [nfsd4]
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| 1005 root 1472 S /usr/sbin/mountd
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| 1007 root 1408 S /usr/sbin/statd
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| 1003 root SW [nfsd]
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| 1013 root SW [lockd]
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| 1014 root SW< [rpciod/0]
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| 1034 nobody 39312 S ./httpd -d /mnt/syb8634/server -f /mnt/syb8634/server/httpd.conf
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| 1035 root 1012 S ./msUPnP-mips --port 8088
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| 1037 root 928 S ./mDNSrespd-mips -n nmt myihome -t _difi._tcp. -p 8088 -b
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| 1039 root 928 S ./mDNSrespd-mips -n nmt myihome (SMP8634 Media Server) -t _http._tcp. -p 8088 -b
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| 1045 root 1560 S < ./ms-mips start
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| 1046 nobody 39336 S ./httpd -d /mnt/syb8634/server -f /mnt/syb8634/server/httpd.conf
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| 1047 nobody 39336 S ./httpd -d /mnt/syb8634/server -f /mnt/syb8634/server/httpd.conf
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| 1048 nobody 39336 S ./httpd -d /mnt/syb8634/server -f /mnt/syb8634/server/httpd.conf
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| 1049 nobody 39336 S ./httpd -d /mnt/syb8634/server -f /mnt/syb8634/server/httpd.conf
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| 1050 nobody 39336 S ./httpd -d /mnt/syb8634/server -f /mnt/syb8634/server/httpd.conf
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| 1059 root 4348 S /mnt/syb8634/bin/nmbd -D
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| 1061 root 9084 S /mnt/syb8634/bin/smbd -D
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| 1063 root 9084 S /mnt/syb8634/bin/smbd -D
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| 1098 root 1948 S /mnt/syb8634/bin/btpd -d /opt/sybhttpd/localhost.drives/HARD_DISK/.btpd -p 8881 --bw-in 0 --bw-out 0 --max
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| 4243 root 1944 S /bin/sh
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| 4252 root 1940 R ps -w
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| / # cat /proc/filesystems
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| nodev sysfs
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| nodev rootfs
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| nodev bdev
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| nodev proc
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| nodev sockfs
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| nodev usbfs
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| nodev pipefs
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| nodev tmpfs
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| nodev devpts
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| ext3
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| ext2
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| cramfs
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| nodev ramfs
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| vfat
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| iso9660
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| hfsplus
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| nodev nfs
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| nodev nfs4
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| nodev nfsd
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| nodev cifs
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| ntfs
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| udf
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| nodev rpc_pipefs
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| The main player appears to be something called '''mono''', but I expect it actually uses a few depending on format. The internal GUI appears to live:
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| / # ls -l /opt/sybhttpd/default/
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| -rw-r--r-- 1 root root 9857 Dec 31 21:19 display.html
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| -rw-r--r-- 1 root root 8427 Dec 31 21:19 dvd.html
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| -rw-r--r-- 1 root root 6278 Dec 31 21:19 dvd_password.html
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| -rw-r--r-- 1 root root 6947 Dec 31 21:19 dvdpwd.html
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| -rwxr-xr-x 1 514 500 36712 Dec 18 23:05 filemanager.cgi
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| -rw-r--r-- 1 root root 7244 Dec 31 21:19 maintenance.html
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| -rw-r--r-- 1 root root 8416 Dec 31 21:19 media_server.html
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| -rw-r--r-- 1 root root 9837 Dec 31 21:19 network.html
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| -rw-r--r-- 1 root root 7303 Dec 31 21:19 network_manual.html
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| -rw-r--r-- 1 root root 6853 Dec 31 21:19 network_share.html
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| -rw-r--r-- 1 root root 8251 Dec 31 21:19 network_wireless_manual.html
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| -rwxr-xr-x 1 514 500 82920 Dec 18 23:05 nmtwizard.cgi
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| -rw-r--r-- 1 root root 9786 Dec 31 21:19 preferences.htm
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| -rw-r--r-- 1 root root 185 Dec 31 21:19 restore_factory.html
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| -rw-r--r-- 1 root root 258 Dec 31 21:19 server_update.html
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| -rwxr-xr-x 1 514 500 498564 Dec 18 23:05 setups.cgi
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| -rwxr-xr-x 1 514 500 1663388 Dec 18 23:03 smbclient.cgi
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| -rwxr-xr-x 1 514 500 37352 Dec 18 23:05 start.cgi
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| -rw-r--r-- 1 root root 7180 Dec 31 21:19 sys_change_password.html
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| drwxr-xr-x 3 514 500 0 Dec 18 23:05 torrent
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| -rw-r--r-- 1 root root 7432 Dec 31 21:19 torrent_setting.html
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| -rw-r--r-- 1 root root 248 Dec 31 21:19 update.html
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| drwxr-xr-x 2 514 500 0 Dec 18 23:05 upnp
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| -rwxr-xr-x 1 514 500 30116 Dec 18 23:05 upnpnat
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| -rwxr-xr-x 1 514 500 98436 Dec 18 23:05 webservices.cgi
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| -rw-r--r-- 1 root root 9417 Dec 31 21:19 webservices_edit.html
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| -rw-r--r-- 1 root root 7761 Dec 31 21:19 webservices_list.html
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| But personally, I am not so interested in any of that.
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