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Re: Strong encryption
encript the data in chunks, where the chunk boundaries are determined by the That would lessen encryption security, of course. -- Lapo 'Raist' Luchini [EMAIL PROTECTED] (PGP X.509 keys available) http://www.lapo.it (ICQ UIN: 529796) -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
Re: Strong encryption
On Thursday, June 06, 2002 09:55:00 AM +0200 Lapo Luchini [EMAIL PROTECTED] wrote: +-- | | | encript the data in chunks, where the chunk boundaries are determined | by the | | | That would lessen encryption security, of course. +-X8 All encryption is done in chunks, the size varies of course, usually between 1 and 256 bits. /Michael -- This space intentionally left non-blank. -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
Re: Strong encryption
| That would lessen encryption security, of course. All encryption is done in chunks, the size varies of course, usually between 1 and 256 bits. Of course, but even if block ciphers are usually used to encode data, they are usually used in OFB or other feedback mode that convert them to stream ciphers, so that equal blocks are NOT converted to equal blocks (this would of course lessen the security A LOT) so the fact that the original cipher is a block cipher is totally ininfluent and a change in a single bit in the plaintext creates changes from that block until the end, in the ciphertext. Lapo BTW: using the cipher in ECB (without feedback) is much less secure, see the RSALABS FAQ for more infos or other crypto texts. -- Lapo 'Raist' Luchini [EMAIL PROTECTED] (PGP X.509 keys available) http://www.lapo.it (ICQ UIN: 529796) -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
rsync synchronizes VERY slow
hi, I have an 20G archive of pic files which would have to be mirrored onto another server. It contains large JPEGs, around 10k files, one of the servers is located in Boston, the another is in Budapest, Hungary. I use rsync rsync://remote_box/remotedir localdir/ -zcvr --progress --size-only The issue is that the remote server sends the filelist very slow. Looking into the rsyncd process with strace shows that rsync reads all the files from byte to byte, and after receiving the filelist, rsync client does the same. The aim would be sync depending only on the size and the existence of the files, not comparing each other. If this is RTFM, please give me the correct RTFM:// TIA, Wigyori Zoltan HERPAI -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
Re: rsync synchronizes VERY slow
On Thu, Jun 06, 2002 at 11:07:23AM +0200, Zoltan HERPAI wrote: hi, I have an 20G archive of pic files which would have to be mirrored onto another server. It contains large JPEGs, around 10k files, one of the servers is located in Boston, the another is in Budapest, Hungary. I use rsync rsync://remote_box/remotedir localdir/ -zcvr --progress --size-only The issue is that the remote server sends the filelist very slow. Looking into the rsyncd process with strace shows that rsync reads all the files from byte to byte, and after receiving the filelist, rsync client does the same. The aim would be sync depending only on the size and the existence of the files, not comparing each other. If this is RTFM, please give me the correct RTFM:// remove -z and -c compression will not work well on jpegs and you don't want to checksum files cu, Stefan -- Stefan Nehlsen | ParlaNet Administration | [EMAIL PROTECTED] | +49 431 988-1260 -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
Re: rsync synchronizes VERY slow
On Thu, 6 Jun 2002, Stefan Nehlsen wrote: On Thu, Jun 06, 2002 at 11:07:23AM +0200, Zoltan HERPAI wrote: hi, I have an 20G archive of pic files which would have to be mirrored onto another server. It contains large JPEGs, around 10k files, one of the servers is located in Boston, the another is in Budapest, Hungary. I use rsync rsync://remote_box/remotedir localdir/ -zcvr --progress --size-only The issue is that the remote server sends the filelist very slow. Looking into the rsyncd process with strace shows that rsync reads all the files from byte to byte, and after receiving the filelist, rsync client does the same. The aim would be sync depending only on the size and the existence of the files, not comparing each other. If this is RTFM, please give me the correct RTFM:// remove -z and -c compression will not work well on jpegs and you don't want to checksum files Thank you for your prompt help, it works well now. Thanks, Wigyori Zoltan HERPAI -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
Syntax
Hi Wonder if anyone can help ? My own internal domestic server was running fine with most things until I re-installed today. Rsync config was done by someone else who knows what to do. I don't. Seems like a good time to learn :) I'm trying to backup the contents of my home directory to another internal machine which is at 192.168.1.4 from my home directory which is at 192.168.1.2. What are the correct syntax to use ? I've read the man page and can't understand any of it. So, I was hoping to get some help... I've tried something like... rsync -cazv 192.168.1.2/home/user * 192.168.1.4/home/user/backup but this doesn't work even when I make a folder on the other machine which is 'backup'. So, what to do next ? Thanks -- Richard www.sheflug.co.uk -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
Re: Syntax
I would start with rsync.1 Your command: rsync -cazv 192.168.1.2/home/user * 192.168.1.4/home/user/backup means to sync the directory 192.168.1.2/home/user in the current directory, and everything in your home directory, into the directory 192.168.1.4/home/user/backup, also in the current directory, using checksums on every item,recursively, preserving symlinks, user, group, permission, and times, using compression (which is ignored since it's a local-only sync), and showing everything it's doing. I think your intention was to sync the contents of /home/user on 192.168.1.2 and of the current directory, into /home/user/backup on 92.168.1.4, which is also an error. If the destination is remote, all sources must be local. If any source is remote, the destination must be local. The phrase Note that in all cases (other than listing) at least one of the source and destination paths must be local. is easily misinterpred as requiring that including something local in the source list will satisfy the syntax. Also, unless you want to put everything you're getting from 192.168.1.2 into 192.168.1.4:/home/user/backup/user, you should add a / to the end of 192.168.1.2:/home/user. Then, to make the remote paths remote, put a colon between the address and the path. To get 192.168.1.2:/home/user to 192.168.1.4:/home/user/backup, you'll have to run rsync from one of the other of them. or sync 192.168.1.2:/home/user to a local directory temporarily, then from there to 192.168.1.4:/home/user/backup. The relevant section of the manual is below. + GENERAL There are six different ways of using rsync. They are: SunOS 5.7 Last change: 25 Jan 20021 User Commandsrsync(1) ofor copying local files. This is invoked when neither source nor destination path contains a : separator ofor copying from the local machine to a remote machine using a remote shell program as the transport (such as rsh or ssh). This is invoked when the destination path contains a single : separator. ofor copying from a remote machine to the local machine using a remote shell program. This is invoked when the source contains a : separator. ofor copying from a remote rsync server to the local machine. This is invoked when the source path contains a :: separator or a rsync:// URL. ofor copying from the local machine to a remote rsync server. This is invoked when the destination path con- tains a :: separator. ofor listing files on a remote machine. This is done the same way as rsync transfers except that you leave off the local destination. Note that in all cases (other than listing) at least one of the source and destination paths must be local. + You may also want to drop the -c option. That's only needed if you are syncing files while you're changing them, accessing them from multiple machines with the clocks badly out of sync, changing system time willy-nilly, or other circumstances that invalidate the timestamp. It adds a lot of cpu and I/O overhead. Tim Conway [EMAIL PROTECTED] 303.682.4917 Philips Semiconductor - Longmont TC 1880 Industrial Circle, Suite D Longmont, CO 80501 Available via SameTime Connect within Philips, n9hmg on AIM perl -e 'print pack(, 19061,29556,8289,28271,29800,25970,8304,25970,27680,26721,25451,25970), .\n ' There are some who call me Tim? Richard Ibbotson [EMAIL PROTECTED] Sent by: [EMAIL PROTECTED] 06/06/2002 07:35 AM To: [EMAIL PROTECTED] cc: (bcc: Tim Conway/LMT/SC/PHILIPS) Subject:Syntax Classification: Hi Wonder if anyone can help ? My own internal domestic server was running fine with most things until I re-installed today. Rsync config was done by someone else who knows what to do. I don't. Seems like a good time to learn :) I'm trying to backup the contents of my home directory to another internal machine which is at 192.168.1.4 from my home directory which is at 192.168.1.2. What are the correct syntax to use ? I've read the man page and can't understand any of it. So, I was hoping to get some help... I've tried something like... rsync -cazv 192.168.1.2/home/user * 192.168.1.4/home/user/backup but this doesn't work even when I make a folder on the other machine which is 'backup'. So, what to do next ? Thanks -- Richard www.sheflug.co.uk -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read:
Re: http://rsync.samba.org/cvs.html gives 404 Not Found
On 5 Jun 2002, Dave Dykstra [EMAIL PROTECTED] wrote: On Fri, May 31, 2002 at 05:55:14PM +0400, [EMAIL PROTECTED] wrote: Hello, http://rsync.samba.org/cvs.html gives 404 Not Found. I do not know if it is ok or not ;) Looks like another casualty of the web site rearrangement. One that works is http://www.samba.org/samba/cvs.html I see the URL you gave is referred to at http://rsync.samba.org/download.html. How should it be fixed, Martin? I found I have write access to the rsync web directory but a symlink to ../samba/cvs.html just changes the error from Not Found to Permission Denied. I think it's better to change the link to point directly to the cvs.samba.org site. Practically, you should edit the rsyncweb cvs module, then upload it to the web site. (The reason for the rearrangement was to disentangle various samba.org web sites to allow them to be more easily mirrored without needing the mirror sites to recreate our complicated httpd.conf. Sorry for the disruption.) -- Martin -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
