?.ssh ?????
//???????????????
1.???????hosts??(??hosts??????root??)
[root@DELL ~]#vi /etc/hosts
///////////////////////////////////
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 node1 node1 localhost.localdomain localhost
::1 Levitra Professional localhost6.localdomain6 localhost6
192.168.0.154 file_server
192.168.0.153 file_server_bak
///////////////////////////////////
:wq

2.//??ssh?????
//???????(????magic??)
[root@DELL .ssh]# su magic
[magic@DELL .ssh]$ cd ~
[magic@DELL ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/magic/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification ed prescription medications has been Buy online Cialis saved in /home/magic/.ssh/id_rsa.
Your public key has been saved in /home/magic/.ssh/id_rsa.pub.
The key fingerprint is:
f3:84:b3:14:b8:ab:ba:e7:3a:1e:98:72:0b:4e:fe:f6 Silagra magic@DELL
[magic@DELL ~]$

3.??????????????root??????
#cd Buy suprax /root

??ls -al ????????.ssh?????
????????
[magic@DELL ~]$ cd /home/magic/.ssh/
[magic@DELL .ssh]$ ls -al
total 20
drwx—— 2 magic magic 4096 Apr 13 21:53 .
drwx—— 6 magic magic 4096 Apr 9 01:37 ..
-rw——- 1 magic magic 1675 Apr 13 21:53 id_rsa
-rw-r–r– 1 magic magic 402 Apr 13 21:53 id_rsa.pub
-rw-r–r– 1 magic magic 395 Feb 26 01:13 known_hosts
[magic@DELL .ssh]$

??id_rsa????id_rsa.pub????

4.??file_server?file_server_bak????????

5.
//?????file_server?
//????????????????????
#cd Brand Viagra buy amoxil online /home/magic/.ssh/
# No Buy Prednisone Online prescription cialis mv id_rsa.pub ha1
//???????
[magic@DELL .ssh]$ scp ha1 magic@192.168.0.153:/home/magic/.ssh/
//??????file_server_bak?

6.
//???file_server_bak?
[magic@DELL ~]$ cd /home/magic/.ssh/
[magic@DELL .ssh]$ ls
ha1 id_rsa id_rsa.pub
[magic@DELL .ssh]$ cat ha1 >> id_rsa.pub
//?file_server??????file_server_bak?????
[magic@DELL dietes pills .ssh]$ mv id_rsa.pub authorized_keys
// AuthorizedKeysFile ????????????????(?? ~/.ssh/authorized_keys)??????????????????’#'????????????
//???????ssh?????key??authorized_keys

7.
//??????file_server??
[magic@DELL .ssh]$ Buy vpxl online scp authorized_keys magic@192.168.0.154:/home/magic/.ssh/

????rsync

1.?file_server???rsync??????linux??????????????
tar -zxvf rsync-3.0.4.tar #?????
cd rsync-3.0.4
./configure –prefix=/usr/local/rsync
?????
make
make install

2.?/etc???rsync.conf??
vi /etc/rsyncd.conf

use chroot = no
max connections = 10
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock
log file = /var/log/rsyncd.log

[file_server]
comment = replication
uid = magic
gid = magic
path = /opt/user_files
ignore errors
read .ly = no
write .ly = no
list= no
auth users = magic
secrets file = /etc/rsyncd.secrets

3.?/etc???/etc/rsyncd.secrets ??
vi /etc/rsyncd.secrets
?????? ???:??
magic:12345678

4.?/etc/services ????(???????)
rsync 873/tcp

5.??????,?/etc/profile????(??)
#echo Tadalis SX “export PATH=$PATH:/usr/local/rsync/bin” >> /etc/profile
#source /etc/profile

6.??rsync??
#rsync –daemon

7.????????????
echo “rsync –daemon” >> /etc/rc.local

8.?file_server_bak??????????7??

9.?file_server???????
vi Viagra Soft Tabs Online /opt/file_auto_backup
?????
#!/bin/sh

# This does file_server b ackup to Levitra prix pharmacie a file_server_bak.
# Buy Revia Online directory to backup
DIR=/opt/user_files/
# Order Buy Levitra Online Pharmacy No Prescription Needed Generic Levitra Online without Prescription Jelly”>Cialis Jelly the name of the primary
SERVER=file_server

##############################################

OPTS=”-rlptgoDvHS –progress –delete –force”

# now the actual transfer
rsync $OPTS magic@$SERVER:$DIR $DIR

10.????????
crontab -e
*/5 * * * * /opt/file_auto_backup