Re: Developing a kiosk type system - advice needed
I suggest working from Live Kiosk from: http://www.livecd.net/ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: Developing a kiosk type system - advice needed
[Simon Guerrero] I am developing a kiosk type of system, where I want to a) boot up fast and b) be able to switch off and back on and restart with a clean image. Part a is a bit tricky, but should be solvable. Part b sounds like a the system from a normal live CD. Perhaps you should check out the possibilities with live CDs? -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: Developing a kiosk type system - advice needed
On Tue, October 4, 2005 1:04 pm, Petter Reinholdtsen said: [Simon Guerrero] I am developing a kiosk type of system, where I want to a) boot up fast and b) be able to switch off and back on and restart with a clean image. Part a is a bit tricky, but should be solvable. Part b sounds like a about a) an partly b): would suspending (S4) to a swap file once and the always resume from that without overwriting it reach the goal? Note: never tried it. -- mattia :wq! -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: Developing a kiosk type system - advice needed
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Mattia Dongili schrieb: On Tue, October 4, 2005 1:04 pm, Petter Reinholdtsen said: [Simon Guerrero] I am developing a kiosk type of system, where I want to a) boot up fast and b) be able to switch off and back on and restart with a clean image. Part a is a bit tricky, but should be solvable. Part b sounds like a about a) an partly b): would suspending (S4) to a swap file once and the always resume from that without overwriting it reach the goal? Note: never tried it. Hi, this could be possible, one should however be careful about the file system, since the suspended image might contain information about the status of the file system that does not longer hold true (at least with suspend2). Mounting most of the file systems ro permanently should however solve this problem. best regards Torsten - -- Torsten Marek [EMAIL PROTECTED] ID: A244C858 -- FP: 1902 0002 5DFC 856B F146 894C 7CC5 451E A244 C858 Keyserver: subkeys.pgp.net -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.2 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFDQmUWfMVFHqJEyFgRAh5GAJ9X7W+XuBHVH0CfAxvpSQyXaqknEwCgrHiE sDQ9+/dftiBVsa5io2zKc6Y= =lBKH -END PGP SIGNATURE- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
RE: Developing a kiosk type system - advice needed
Hi Thanks for your responses. The suspend and always resume without overwriting is done by software suspend, with no problem. It is the difficulty of resuming the writeable parts of the filesystem (/var and /tmp) each time from an image which I am not sure about. I am thinking about adding a script to the rc2.d (or other runlevel) which does: cat /ramdisks/var.img /dev/ram1 mount /dev/ram1 /var and cat /ramdisks/tmp.img /dev/ram2 mount /dev/ram2 /tmp ...would that do the job? Maybe it is simpler than I thought :-/ Simon -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Mattia Dongili Sent: 04 October 2005 12:10 To: 'debian-devel@lists.debian.org' Subject: Re: Developing a kiosk type system - advice needed On Tue, October 4, 2005 1:04 pm, Petter Reinholdtsen said: [Simon Guerrero] I am developing a kiosk type of system, where I want to a) boot up fast and b) be able to switch off and back on and restart with a clean image. Part a is a bit tricky, but should be solvable. Part b sounds like a about a) an partly b): would suspending (S4) to a swap file once and the always resume from that without overwriting it reach the goal? Note: never tried it. -- mattia :wq! -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED] _ This message has been checked for all known viruses on behalf of Sungard Vivista by MessageLabs. http://www.messagelabs.com or Email: [EMAIL PROTECTED] For further information http://www.sungard.com/vivista __ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email __ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
RE: Developing a kiosk type system - advice needed
Yes, I will have a look at how the live CD creation works. I guess I never thought of it as a Live CD but it's doing something quite similar (just with software suspend too). -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Petter Reinholdtsen Sent: 04 October 2005 12:05 To: Simon Guerrero Cc: 'debian-devel@lists.debian.org' Subject: Re: Developing a kiosk type system - advice needed [Simon Guerrero] I am developing a kiosk type of system, where I want to a) boot up fast and b) be able to switch off and back on and restart with a clean image. Part a is a bit tricky, but should be solvable. Part b sounds like a the system from a normal live CD. Perhaps you should check out the possibilities with live CDs? -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED] _ This message has been checked for all known viruses on behalf of Sungard Vivista by MessageLabs. http://www.messagelabs.com or Email: [EMAIL PROTECTED] For further information http://www.sungard.com/vivista __ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email __ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
RE: Developing a kiosk type system - advice needed
Yes, you're right about suspend2 - I figured if I mount most of the filesystems ro, then create the writeable ones each time from static images, I shouldn't have issues with corruption - right? Simon Part a is a bit tricky, but should be solvable. Part b sounds like a about a) an partly b): would suspending (S4) to a swap file once and the always resume from that without overwriting it reach the goal? Note: never tried it. Hi, this could be possible, one should however be careful about the file system, since the suspended image might contain information about the status of the file system that does not longer hold true (at least with suspend2). Mounting most of the file systems ro permanently should however solve this problem. best regards Torsten - -- Torsten Marek [EMAIL PROTECTED] ID: A244C858 -- FP: 1902 0002 5DFC 856B F146 894C 7CC5 451E A244 C858 Keyserver: subkeys.pgp.net -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.2 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFDQmUWfMVFHqJEyFgRAh5GAJ9X7W+XuBHVH0CfAxvpSQyXaqknEwCgrHiE sDQ9+/dftiBVsa5io2zKc6Y= =lBKH -END PGP SIGNATURE- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED] _ This message has been checked for all known viruses on behalf of Sungard Vivista by MessageLabs. http://www.messagelabs.com or Email: [EMAIL PROTECTED] For further information http://www.sungard.com/vivista __ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email __ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: Developing a kiosk type system - advice needed
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Simon Guerrero schrieb: Hi Thanks for your responses. The suspend and always resume without overwriting is done by software suspend, with no problem. It is the difficulty of resuming the writeable parts of the filesystem (/var and /tmp) each time from an image which I am not sure about. I am thinking about adding a script to the rc2.d (or other runlevel) which does: cat /ramdisks/var.img /dev/ram1 mount /dev/ram1 /var and cat /ramdisks/tmp.img /dev/ram2 mount /dev/ram2 /tmp Hi, that might be one way, but I don't know if there are any problems if frozen programs have open files on /tmp or /var, since the processes are resumed before any run-level scripts (?). Maybe I am missing something, but if you have /tmp and /var as (size-restricted) tmpfs's when you create the image in the first place, what is the problem with that? best regards Torsten - -- Torsten Marek [EMAIL PROTECTED] ID: A244C858 -- FP: 1902 0002 5DFC 856B F146 894C 7CC5 451E A244 C858 Keyserver: subkeys.pgp.net -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.2 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFDQmw5fMVFHqJEyFgRAheiAJ4qwSu+lNqXi5C4WbQqo+U9H5DWNQCeNiKp dJvhLFOfMl7OxQFJePdH4nw= =9xx0 -END PGP SIGNATURE- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
RE: Developing a kiosk type system - advice needed
Hi Doh! I forgot about tmpfs. That would be fine. I think I should start again. 8-) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Torsten Marek Sent: 04 October 2005 12:49 To: 'debian-devel@lists.debian.org' Subject: Re: Developing a kiosk type system - advice needed -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Simon Guerrero schrieb: Hi Thanks for your responses. The suspend and always resume without overwriting is done by software suspend, with no problem. It is the difficulty of resuming the writeable parts of the filesystem (/var and /tmp) each time from an image which I am not sure about. I am thinking about adding a script to the rc2.d (or other runlevel) which does: cat /ramdisks/var.img /dev/ram1 mount /dev/ram1 /var and cat /ramdisks/tmp.img /dev/ram2 mount /dev/ram2 /tmp Hi, that might be one way, but I don't know if there are any problems if frozen programs have open files on /tmp or /var, since the processes are resumed before any run-level scripts (?). Maybe I am missing something, but if you have /tmp and /var as (size-restricted) tmpfs's when you create the image in the first place, what is the problem with that? best regards Torsten - -- Torsten Marek [EMAIL PROTECTED] ID: A244C858 -- FP: 1902 0002 5DFC 856B F146 894C 7CC5 451E A244 C858 Keyserver: subkeys.pgp.net -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.2 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFDQmw5fMVFHqJEyFgRAheiAJ4qwSu+lNqXi5C4WbQqo+U9H5DWNQCeNiKp dJvhLFOfMl7OxQFJePdH4nw= =9xx0 -END PGP SIGNATURE- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED] _ This message has been checked for all known viruses on behalf of Sungard Vivista by MessageLabs. http://www.messagelabs.com or Email: [EMAIL PROTECTED] For further information http://www.sungard.com/vivista __ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email __ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: Developing a kiosk type system - advice needed
Am Dienstag, 4. Oktober 2005 12:41 schrieb Simon Guerrero: 1. Make the disk read-only How about a software application of what many hardware PC guards (and likewise) do: Use unionfs as a layer that you put away at any reboot to obtain the original system. Regards Rudi Effe -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: Developing a kiosk type system - advice needed
Moin Simon! Simon Guerrero schrieb am Dienstag, den 04. Oktober 2005: Yes, you're right about suspend2 - I figured if I mount most of the filesystems ro, then create the writeable ones each time from static images, I shouldn't have issues with corruption - right? In theory, however some filesystems (ext3) write stuff on the disk ignoring the ro option. Oh, and please fix your mail client to respect the References and stop quoting the whole messages for no reason. Eduard. -- Willst du wissen, wie alt du bist, so frage nicht die Jahre, die du gelebt hast, sondern den Augenblick, den du genießt. -- Arthur Schnitzler (Kriegspatenschaft-Kalender, 1917) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
