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1. On the Source Server generate an RSA key for use by ssh: > ssh-keygen -t rsa -N "" -f /root/.ssh/id_rsa 2. Copy the contents of /root/.ssh/id_rsa.pub on the Source Server to /root/.ssh/authorized_keys on the Destination Server. Make sure that there are no line breaks in the copied key. 3. On the Source Server, verify that you can login to the Destination Server via ssh without a password: > ssh -l root {ip of dest server} 4. On the Destination Server, create a directory to store the backup data: > mkdir /backups/mail Make sure that the selected location has sufficient available storage to accomdate the backup. 5. On the Source Server, create a script similar to: #!/bin/bash DEST=root@172.16.11.12:/backups/mail OPTIONS="-e ssh --checksum --partial --delete --verbose --progress --archive --links" SRC=/etc rsync $OPTIONS $SRC $DEST SRC=/home rsync $OPTIONS $SRC $DEST SRC=/var/spool/mail rsync $OPTIONS $SRC $DEST SRC=/var/www rsync $OPTIONS $SRC $DEST Modify the script as needed to copy the appropriate directory trees. The script can be placed in /usr/local/sbin/dobackups.sh and should be made executable with: > chmod 755 /usr/local/sbin/dobackups.sh 6. Add a cron job to run the script on a nightly basis. On RedHat we can place a file named "backups" into /etc/cron.daily with the contents: #!/bin/sh renice +19 -p $$ >/dev/null 2>&1 /usr/local/sbin/dobackups.sh Make the file executable with: > chmod 755 /etc/cron.daily/backups |
Archive | Reliable Penguin
Linux and open-source solutions.
Sendmail Install
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> cd root > wget http://www.sleepycat.com/update/snapshot/db-4.1.25.NC.tar.gz > tar -xvzf db-4.1.25.NC.tar.gz > cd db-4.1.25.NC > cd build_unix > ../dist/configure > make > make install > edit /etc/ld.so.conf and add /usr/local/BerkeleyDB.4.1/lib > ldconfig > cd root > wget ftp://ftp.sendmail.org/pub/sendmail/sendmail.8.12.9.tar.gz > cd sendmail-8.12.9 > create a file under devtools/Site called site.config.m4 with the following contents: define(`confMAPDEF',`-DNEWDB')dnl define(`confINCDIRS',`-I/usr/local/BerkeleyDB.4.1/include')dnl define(`confLIBDIRS',`-L/usr/local/BerkeleyDB.4.1/lib')dnl > cd sendmail > sh Build > cd .. > cd cf/cf > cp generic-linux.mc sendmail.mc > sh Build sendmail.cf > mkdir /etc/mail > cp /usr/sbin/sendmail /usr/sbin/sendmail.old > sh Build install-cf > cd ../.. > useradd smmsp > chsh smmsp /bin/false > chown root.smmsp /usr/sbin/sendmail > chmod u-w /usr/sbin/sendmail > chmod g+r /usr/sbin/sendmail > chmod o+rx /usr/sbin/sendmail > mkdir /var/spool/clientmqueue > chown smmsp.smmsp /var/spool/clientmqueue > chmod g+w /var/spool/clientmqueue/ > chmod o-rwx /var/spool/clientmqueue/ > mkdir /var/spool/mqueue > chown root.wheel /var/spool/mqueue > chmod o-rwx /var/spool/mqueue > chmod g-rwx /var/spool/mqueue > chown root.wheel /etc/mail/sendmail.cf > chown root.wheel /etc/mail/submit.cf > cd sendmail > mkdir /usr/man > mkdir /usr/man/man1 > mkdir /usr/man/man5 > mkdir /usr/man/man8 > sh Build install > cd makemap > sh Build install > cd .. > cd mailstats > sh Build install > cd .. > cd praliases > sh Build install > cd .. > cd smrsh > sh Build > sh Build install > cd .. > cd vacation > sh Build install > cd .. > cd /etc/mail > cp /etc/aliases /etc/mail > cp /root/sendmail-8.12.9/cf/cf/sendmail.mc . > touch /etc/mail/trusted-users > cd /etc/init.d > create file called sendmail with following contents: #!/bin/sh # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ ${NETWORKING} = "no" ] && exit 0 [ -f /usr/sbin/sendmail ] || exit 0 # See how we were called. case "$1" in start) # Start daemons. gprintf "Starting sendmail: " newaliases /usr/sbin/sendmail -bd ;; stop) # Stop daemons. gprintf "Shutting down sendmail: " killall sendmail ;; restart) $0 stop $0 start ;; reload) $0 restart ;; status) status sendmail ;; *) gprintf "Usage: %s {start|stop|restart|reload|status}\n" "$0" exit 1 esac exit 0 > chmod o-r,g-r,u+x sendmail > cd /etc/rc.d > cd rc0.d; ln -s ../init.d/sendmail K30sendmail; cd .. > cd rc1.d; ln -s ../init.d/sendmail K30sendmail; cd .. > cd rc2.d; ln -s ../init.d/sendmail S80sendmail; cd .. > cd rc3.d; ln -s ../init.d/sendmail S80sendmail; cd .. > cd rc4.d; ln -s ../init.d/sendmail S80sendmail; cd .. > cd rc5.d; ln -s ../init.d/sendmail S80sendmail; cd .. > cd rc6.d; ln -s ../init.d/sendmail K30sendmail; cd .. > rm rc0.d/K30postfix > rm rc1.d/K30postfix > rm rc2.d/S80postfix > rm rc3.d/S80postfix > rm rc4.d/S80postfix > rm rc5.d/S80postfix > rm rc6.d/K30postfix |
Qpopper On Mandrake Linux release 8.2 (Bluebird) for i586
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> wget ftp://ftp.qualcomm.com/eudora/servers/unix/popper/qpopper4.0.5.tar.gz > cd qpopper4.0.5 > ./configure --enable-specialauth > make > make install > cp /usr/local/sbin/popper /usr/sbin/popper |
IMAP On Mandrake Linux release 8.2 (Bluebird) for i586
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> wget ftp://ftp.cac.washington.edu/mail/imap.tar.Z > cd imap-2002d/ > make slx > make slx SSLTYPE=none |
Sendmail On Mandrake Linux release 8.2 (Bluebird) for i586
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1. Install latest version of Berkeley DB. > wget http://www.sleepycat.com/update/snapshot/db-4.1.25.tar.gz > tar -xvzf db-4.1.25.tar.gz > cd db-4.1.25 > cd build_unix > ../dist/configure > make > make install > edit /etc/ld.so.conf and add /usr/local/BerkeleyDB.4.1/lib to list of search paths > ldconfig 2. Setup devtools/Site/site.config.m4 define(`confMAPDEF', `-DNEWDB') define(`confINCDIRS', `-I/usr/local/BerkeleyDB.4.1/include/') define(`confLIBDIRS', `-L/usr/local/BerkeleyDB.4.1/lib/') 3. Recompile sendmail > sh Build -c 4. Install sendmail > sh Build install |