Thanks for the advice.
Derek On Thu, Feb 3, 2011 at 12:00 PM, <[email protected]> wrote: > Send PLUG mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://plug.org/mailman/listinfo/plug > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of PLUG digest..." > > Today's Topics: > > 1. Linux image solution (Derek Cox) > 2. Re: Linux image solution (Michael Peterson) > 3. Re: Linux image solution (Michael Peterson) > 4. Re: Linux image solution (Stuart Jansen) > 5. Re: Linux image solution (Corey Edwards) > 6. Re: Linux image solution (Stuart Jansen) > 7. Re: Linux image solution (Michael Peterson) > 8. Re: Linux image solution (Corey Edwards) > 9. Re: Linux image solution (Michael Torrie) > 10. Re: Spam via Postfix (Andy Bradford) > > > ---------- Forwarded message ---------- > From: Derek Cox <[email protected]> > To: [email protected] > Date: Wed, 2 Feb 2011 13:38:07 -0700 > Subject: Linux image solution > I am looking for an imaging solution for Linux. I know Acronis can do > backups while the machine is running, under windows. Does anyone know of a > free imaging software that can backup a Linux machine without requiring a > reboot? > > > > > Thanks, > Derek > > > > ---------- Forwarded message ---------- > From: Michael Peterson <[email protected]> > To: Provo Linux Users Group <[email protected]> > Date: Wed, 2 Feb 2011 13:42:05 -0700 > Subject: Re: Linux image solution > On Wed, Feb 2, 2011 at 1:38 PM, Derek Cox <[email protected]> wrote: > > I am looking for an imaging solution for Linux. I know Acronis can do > > backups while the machine is running, under windows. Does anyone know of > a > > free imaging software that can backup a Linux machine without requiring a > > reboot? > > > > > > > > > > Thanks, > > Derek > > > > /* > > PLUG: http://plug.org, #utah on irc.freenode.net > > Unsubscribe: http://plug.org/mailman/options/plug > > Don't fear the penguin. > > */ > > > > You can use dd to copy the contents of a device. Syntax is: > > dd if=/dev/sda1 of=~/image > > Where /dev/sd** where /dev/sd** is the drive and partition you want to > copy and ~/image is the place where you want to put the image. > > if and of signify input and output files respectively. > > I'm not sure if that's what you're looking for, but it is a way. > > > > ---------- Forwarded message ---------- > From: Michael Peterson <[email protected]> > To: Provo Linux Users Group <[email protected]> > Date: Wed, 2 Feb 2011 13:46:40 -0700 > Subject: Re: Linux image solution > On Wed, Feb 2, 2011 at 1:42 PM, Michael Peterson <[email protected]> > wrote: > > On Wed, Feb 2, 2011 at 1:38 PM, Derek Cox <[email protected]> wrote: > >> I am looking for an imaging solution for Linux. I know Acronis can do > >> backups while the machine is running, under windows. Does anyone know > of a > >> free imaging software that can backup a Linux machine without requiring > a > >> reboot? > >> > >> > >> > >> > >> Thanks, > >> Derek > >> > >> /* > >> PLUG: http://plug.org, #utah on irc.freenode.net > >> Unsubscribe: http://plug.org/mailman/options/plug > >> Don't fear the penguin. > >> */ > >> > > > > You can use dd to copy the contents of a device. Syntax is: > > > > dd if=/dev/sda1 of=~/image > > > > Where /dev/sd** where /dev/sd** is the drive and partition you want to > > copy and ~/image is the place where you want to put the image. > > > > if and of signify input and output files respectively. > > > > I'm not sure if that's what you're looking for, but it is a way. > > > > Oh sorry, I did the really bad typo. The syntax, to make sense with > the rest of my stuff, should be: > > dd if=/dev/sd** of=~/image > > And if you want to get carried away, you can use bs= and count= to > specify through blocks what you want to copy. > > > > ---------- Forwarded message ---------- > From: Stuart Jansen <[email protected]> > To: Provo Linux Users Group <[email protected]> > Date: Wed, 02 Feb 2011 13:59:18 -0700 > Subject: Re: Linux image solution > On Wed, 2011-02-02 at 13:42 -0700, Michael Peterson wrote: > > On Wed, Feb 2, 2011 at 1:38 PM, Derek Cox <[email protected]> wrote: > > > Does anyone know of a > > > free imaging software that can backup a Linux machine without requiring > a > > > reboot? > > > > You can use dd to copy the contents of a device. Syntax is: > > > > dd if=/dev/sda1 of=~/image > > > > Where /dev/sd** where /dev/sd** is the drive and partition you want to > > copy and ~/image is the place where you want to put the image. > > Dude! Very bad idea! > > Only safe for a cold backup after booting off DVD. > > > > > ---------- Forwarded message ---------- > From: Corey Edwards <[email protected]> > To: Provo Linux Users Group <[email protected]> > Date: Wed, 02 Feb 2011 14:02:06 -0700 > Subject: Re: Linux image solution > On 02/02/2011 01:59 PM, Stuart Jansen wrote: > > On Wed, 2011-02-02 at 13:42 -0700, Michael Peterson wrote: > >> On Wed, Feb 2, 2011 at 1:38 PM, Derek Cox <[email protected]> wrote: > >>> Does anyone know of a > >>> free imaging software that can backup a Linux machine without requiring > a > >>> reboot? > >> > >> You can use dd to copy the contents of a device. Syntax is: > >> > >> dd if=/dev/sda1 of=~/image > >> > >> Where /dev/sd** where /dev/sd** is the drive and partition you want to > >> copy and ~/image is the place where you want to put the image. > > > > Dude! Very bad idea! > > Agreed. > > > Only safe for a cold backup after booting off DVD. > > Or if you freeze the filesystem with LVM or XFS. > > To the OP, it would be useful to have more details about what you're > trying to accomplish. There are a myriad of ways to backup a system > depending on what your goal is. > > Corey > > > > ---------- Forwarded message ---------- > From: Stuart Jansen <[email protected]> > To: [email protected] > Date: Wed, 02 Feb 2011 14:06:43 -0700 > Subject: Re: Linux image solution > On Wed, 2011-02-02 at 14:02 -0700, Corey Edwards wrote: > > On 02/02/2011 01:59 PM, Stuart Jansen wrote: > > > On Wed, 2011-02-02 at 13:42 -0700, Michael Peterson wrote: > > >> dd if=/dev/sda1 of=~/image > > > > > > Only safe for a cold backup after booting off DVD. > > > > Or if you freeze the filesystem with LVM or XFS. > > You mean snapshot? I'd have to know more about the system. Probably safe > for a lightly used e-mail server, no way it's sufficient with a busy > database server. > > > > > ---------- Forwarded message ---------- > From: Michael Peterson <[email protected]> > To: Provo Linux Users Group <[email protected]> > Date: Wed, 2 Feb 2011 14:07:16 -0700 > Subject: Re: Linux image solution > On Wed, Feb 2, 2011 at 1:59 PM, Stuart Jansen <[email protected]> > wrote: > > On Wed, 2011-02-02 at 13:42 -0700, Michael Peterson wrote: > >> On Wed, Feb 2, 2011 at 1:38 PM, Derek Cox <[email protected]> wrote: > >> > Does anyone know of a > >> > free imaging software that can backup a Linux machine without > requiring a > >> > reboot? > >> > >> You can use dd to copy the contents of a device. Syntax is: > >> > >> dd if=/dev/sda1 of=~/image > >> > >> Where /dev/sd** where /dev/sd** is the drive and partition you want to > >> copy and ~/image is the place where you want to put the image. > > > > Dude! Very bad idea! > > > > Only safe for a cold backup after booting off DVD. > > > > > > /* > > PLUG: http://plug.org, #utah on irc.freenode.net > > Unsubscribe: http://plug.org/mailman/options/plug > > Don't fear the penguin. > > */ > > > > Very good to know. I've never actually done it, I just know it's possible. > > We all learn things every day! > > > > ---------- Forwarded message ---------- > From: Corey Edwards <[email protected]> > To: Provo Linux Users Group <[email protected]> > Date: Wed, 02 Feb 2011 14:09:46 -0700 > Subject: Re: Linux image solution > On 02/02/2011 02:06 PM, Stuart Jansen wrote: > > On Wed, 2011-02-02 at 14:02 -0700, Corey Edwards wrote: > >> On 02/02/2011 01:59 PM, Stuart Jansen wrote: > >>> On Wed, 2011-02-02 at 13:42 -0700, Michael Peterson wrote: > >>>> dd if=/dev/sda1 of=~/image > >>> > >>> Only safe for a cold backup after booting off DVD. > >> > >> Or if you freeze the filesystem with LVM or XFS. > > > > You mean snapshot? I'd have to know more about the system. Probably safe > > for a lightly used e-mail server, no way it's sufficient with a busy > > database server. > > LVM calls it a snapshot, XFS calls it a freeze. Similar ideas. They're > one potential way of backing up, but yes it depends entirely on what the > goals are and what type of data we're talking about. I'll thrown in that > I've never found a good use for a byte-for-byte backup except for > forensic analysis. > > Corey > > > > > ---------- Forwarded message ---------- > From: Michael Torrie <[email protected]> > To: [email protected] > Date: Wed, 02 Feb 2011 16:04:10 -0700 > Subject: Re: Linux image solution > On 02/02/2011 01:38 PM, Derek Cox wrote: > > I am looking for an imaging solution for Linux. I know Acronis can do > > backups while the machine is running, under windows. Does anyone know of > a > > free imaging software that can backup a Linux machine without requiring a > > reboot? > > I have had success backing up a running system with rsync -ravHx. > > Things like SQL are problematic and other forms of hot backup should be > used. > > The nice thing about linux is that after an rsync all you have to do is > write boot loader to disk (and maybe mess with fstab). None of this > "file is in use and cannot be read from" crap that MS still has after > all these years. > > > > ---------- Forwarded message ---------- > From: "Andy Bradford" <[email protected]> > To: "Jessie Adan Morris" <[email protected]> > Date: 2 Feb 2011 19:03:18 -0700 > Subject: Re: Spam via Postfix > Thus said Jessie Adan Morris on Tue, 01 Feb 2011 23:39:52 MST: > > > Logs include entries which look like: > > > > Feb 1 23:39:22 nova postfix/error[16480]: 255571FAD5A: > > to=<[email protected]>, relay=none, delay=13, delays=0.44/0.06/0/12, > > dsn=4.0.0, status=deferred (delivery temporarily suspended: host > > relay.verizon.net[206.46.232.11] refused to talk to me: 571 Email from > > 160.7.244.25 is currently blocked by Verizon Online's anti-spam system. > > The email sender or Email Service Provider may visit > > http://www.verizon.net/whitelist and request removal of the block. > > 110202) > > What about this log indicates that your SMTP mail server (postfix) is > relaying email? All this shows is that your mail server tried to deliver > a message to a verizon mail server, and that they rejected it. Who is > the sender of the message to [email protected]? Who/what injected the > message? If indeed the message was relayed by your server, there should > be an entry in it's smtpd log indicating this. If you feel you have > configured postfix correctly, then I would look elsewhere. I see you > have PHP running on mail.caandb.com. I would start looking for a > hijacked PHP script. > > Andy > > > > _______________________________________________ > PLUG mailing list > [email protected] > http://plug.org/mailman/listinfo/plug > /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
