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RE: [HOW TO] XBMC Linux on Geniatech Devices - seven7 - 2014-02-08
Hi,
i have add a small USB-HD at XBMC, and the USBHD was insert in der Filelist !
And my 3TB USB NTFS was not mounted
?? Dater
RE: [HOW TO] XBMC Linux on Geniatech Devices - nickr - 2014-02-09
(2014-02-08, 07:43)tinker Wrote: Folks:on your main linux pc
Still tinkering around with the Geniatech Linux/XBMC. It really is working quite well.
Did anyone figure out how to write to the usr.sqsh 'read only' file system? This would be very helpful for modding the finer points of this distribution (and I'll take my chances not breaking it!).
tinker
Code:
sudo apt-get squashfs-tools
man unsquashfs
man mksquashfsRE: [HOW TO] XBMC Linux on Geniatech Devices - tinker - 2014-02-09
Nickr:
The My Gica box has unsquashfs and mksquashfs built in. Any way I can use those to work on a copy of usr.sqsh on USB drive? As in, unsquashfs a usr.sqsh copy on the USB, alter it, then mksquashfs back to the USB and rezip the .img file?
tinker
RE: [HOW TO] XBMC Linux on Geniatech Devices - nickr - 2014-02-09
I am thinking you would be better to copy the usr.sqsh file to another computer, unsquash it, make your changes and squash it again. Then copy it back and restart.
Although I am not entirely clear on a couple of things.
1. Whether you can copy over a mounted squashfs when copying the new usr.sqsh
2. whether there is any security mechanism that in the boot procedure that checks that the sqsh file matches a checksum.
RE: [HOW TO] XBMC Linux on Geniatech Devices - tinker - 2014-02-09
nickr:
I tried to unsquash the usr.sqsh on my USB stick and got a number of errors:
Code:
[===========- ] 1168/6469 18%
create_inode: failed to create symlink root//lib/libyajl.so, because Operation not permitted
[===========- ] 1170/6469 18%
create_inode: failed to create symlink root//lib/libyajl.so.2, because Operation not permitted
[... long list of similar errors]
create_inode: failed to create hardlink, because Operation not permitted
[========================================================| ] 6040/6469 93%
create_inode: failed to create hardlink, because Operation not permitted
[=========================================================| ] 6063/6469 93%
created 4964 files
created 1626 directories
created 0 symlinks
created 0 devices
created 0 fifos
[root@MX system]#I also tried to change my 'fstab' file in the 'etc' directory to make the 'user.sqsh' file system read/write in situ. Although I was able to assign read/write ('rw' instead of 'ro'), I still can't alter, delete or edit any files. I used to use Puppy Linux and never had trouble altering any files.
Any ideas? Maybe asking Geniatech to make an unsquashed variant for us tinkers.
tinker
RE: [HOW TO] XBMC Linux on Geniatech Devices - nickr - 2014-02-10
squashfs is a READ ONLY FILESYSTEM.
RE: [HOW TO] XBMC Linux on Geniatech Devices - tinker - 2014-02-10
nickr:
OK, got it. I'll have to find a way to unsquash it with another Linux box like you said, alter the fstab file to reflect that and then try install the image as an update.
tinker
RE: [HOW TO] XBMC Linux on Geniatech Devices - privado - 2014-02-10
I can unsquash file, then resquash it but when recovering with the image it fails at the verifying package stage. s there a way for it to bypass verification ?
RE: [HOW TO] XBMC Linux on Geniatech Devices - nickr - 2014-02-10
Don't forget guys that systems with squashfs root filesystems often have an area is writable (rw) disk that allows customisation.
openelec is a case in point, the root file system is squashfs, so you can't change anything in /etc, but /storage is a separate rw partition that is the root user's home directory. It has a directory named .config. It is a hidden directory (that is what the . means in the name .config). Inside that hidden directory you can change a number of setup files and those changes survive a reboot.
I am wondering if the geniatech system has a similar facility.
What is the output of
Code:
mount
grep root /etc/passwdRE: [HOW TO] XBMC Linux on Geniatech Devices - privado - 2014-02-11
i cant see anything there that will allow you to make a custom boot image logo.
RE: [HOW TO] XBMC Linux on Geniatech Devices - tinker - 2014-02-11
nickr:
Here's my fstab file:
Code:
[root@MX /root]# vi etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount pt> <type> <options> <dump> <pass>
/dev/root / ext2 rw,noauto 0 1
proc /proc proc defaults 0 0
devpts /dev/pts devpts defaults,gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs mode=0777 0 0
tmpfs /tmp tmpfs defaults,noatime 0 0
sysfs /sys sysfs defaults 0 0
tmpfs /var/log tmpfs defaults,noatime 0 0
tmpfs /var/run tmpfs defaults,noatime 0 0
tmpfs /var/tmp tmpfs defaults,noatime 0 0
tmpfs /var/lock tmpfs defaults,noatime 0 0
tmpfs /var/cache tmpfs defaults,noatime 0 0
/usr.sqsh /usr squashfs rw,defaults,noatime 0 0
/dev/mtdblock3 /recovery yaffs2 defaults 0 0
- etc/fstab 1/16 6%This is from 'mount':
Code:
[root@MX /]# mount
rootfs on / type rootfs (rw)
/dev/root on / type ext4 (rw,relatime,user_xattr,acl,barrier=1,data=ordered)
devtmpfs on /dev type devtmpfs (rw,relatime,size=403592k,nr_inodes=70724,mode=755)
none on /proc type proc (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /dev/shm type tmpfs (rw,relatime,mode=777)
tmpfs on /tmp type tmpfs (rw,noatime)
sysfs on /sys type sysfs (rw,relatime)
tmpfs on /tmp type tmpfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,noatime)
/dev/loop0 on /usr type squashfs (ro,noatime)
/dev/data on /root type ext4 (rw,relatime,user_xattr,acl,barrier=1,data=ordered)
/dev/cardblksd1 on /media/usb0 type vfat (rw,dirsync,nodev,noexec,noatime,nodiratime,fmask=0022,dmask=0022,codepage=cp437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)...and from grep:
Code:
[root@MX /]# grep root /etc/passwd
root:x:0:0:root:/root:/bin/shDoes this tell you enough?
tinker
RE: [HOW TO] XBMC Linux on Geniatech Devices - nickr - 2014-02-11
It tells me that root's home directory is /root (as in a normal linux distro)
It tells me that /root is separately mounted as a rw partition, /dev/data
I would look around in /root for what config files you can find.
Code:
ls -aAlternatively you could ask geniatech for support?
or you could write a boot script to make the changes you want (the details of which have now been left many pages back! What is it we are trying to do again?)
RE: [HOW TO] XBMC Linux on Geniatech Devices - tinker - 2014-02-11
nickr:
Here's my /root folder:
Code:
[root@MX /root]# ls -alt
-rw------- 1 root root 2161 Feb 11 03:11 .ash_history
drwxr-xr-x 5 root root 4096 Feb 7 00:22 ./
drwxr-xr-x 2 root root 4096 Feb 7 00:22 .smb/
drwxr-xr-x 8 root root 4096 Jan 1 1970 .xbmc/
drwxr-xr-x 18 root root 4096 Jan 1 1970 ../
drwx------ 2 root root 4096 Jan 1 1970 lost+found/the .smb folder:
Code:
[root@MX .smb]# ls -alt
-rw-r--r-- 1 root root 36864 Feb 8 18:32 gencache.tdb
-rw-r--r-- 1 root root 20480 Feb 8 18:32 gencache_notrans.tdb
drwxr-xr-x 2 root root 4096 Feb 7 00:22 ./
drwxr-xr-x 5 root root 4096 Feb 7 00:22 ../
-rw-r--r-- 1 root root 279 Feb 7 00:22 smb.confI've been able to change smb.conf as mentioned earlier in this thread.
and the .xbmc folder:
Code:
[root@MX .xbmc]# ls -alt
drwxr-xr-x 4 root root 4096 Feb 11 00:36 temp/
drwxr-xr-x 121 root root 4096 Feb 8 18:33 addons/
drwxr-xr-x 5 root root 4096 Feb 7 00:22 ../
drwxr-xr-x 8 root root 4096 Jan 1 1970 ./
drwxr-xr-x 2 root root 4096 Jan 1 1970 media/
drwxr-xr-x 2 root root 4096 Jan 1 1970 sounds/
drwxr-xr-x 2 root root 4096 Jan 1 1970 system/
drwxr-xr-x 9 root root 4096 Jan 1 1970 userdata/So, there is a lot the can be modified on the XBMC side, but very little on the Linux side. Some of the XBMC files are part of the squashfs usr.sqsh file and can't be altered.
tinker
RE: [HOW TO] XBMC Linux on Geniatech Devices - nickr - 2014-02-11
What are you trying to change?
RE: [HOW TO] XBMC Linux on Geniatech Devices - tinker - 2014-02-11
nickr:
Actually, the changes I've already made are pretty much what I need. I altered smb.conf so I could easily scan the Linux file system from a Windows PC. It would be nice to be able to add, delete and edit files remotely on the SD card and USB sticks plugged into the My Gica though. I was also able to edit the remote.conf file so that more buttons would work on the remote. I can't seem to figure out why key repeat works on the remote but not on the keyboard.
Other than that, I keep plugging away at things so that whatever I learn, I can pass on to others.
tinker