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  • CentOS 6.5 部署Unison双向同步服务 ღ若相惜

    环境介绍:

    服务器 IP
    Server1 192.168.30.131
    Server2 192.168.30.132

     

     

     

    1、添加主机互信:

      a、添加host文件(在Server1、Server2分别操作):

        [root@localhost ~]#echo -e "192.168.30.131 Server1\n192.168.30.132 Server2" >> /etc/hosts

      b、更改主机名(在Server1、Server2分别操作):

        [root@localhost ~]# sed -i "s/HOSTNAME=.*/HOSTNAME=Server1/g" /etc/sysconfig/network

        [root@localhost ~]# hostname Server1

      c、退出重新登录就会显示出主机名

      d、添加互信

        d1、在主机Server1上操作:

        [root@Server1 ~]# ssh-keygen -t rsa

        [root@Server1 ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub root@Server2

        d2、在主机Server2上操作:

        [root@Server2 ~]# ssh-keygen -t rsa

        [root@Server2 ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub root@Server1

      

    2、Unison安装

        unison各种版本下载地址:
        http://www.seas.upenn.edu/~bcpierce/unison//download.html
        unison编译器下载地址:
        http://caml.inria.fr/pub/distrib/ocaml-3.10

        

        2.1、安装编译工具:Objective Caml compiler

        [root@Server1 soft]# cd ocaml-3.10.2+rc1/

        [root@Server1 ocaml-3.10.2+rc1]# ./configure

        [root@Server1 ocaml-3.10.2+rc1]# make world opt

        [root@Server1 ocaml-3.10.2+rc1]# make install && echo OK

        

        2.2、安装Unison:

        [root@Server1 unison-2.13.16]# cd ../unison-2.13.16

        [root@Server1 unison-2.13.16]# make UISTYLE=text THREADS=true

          此时会产生一个错误:

          /bin/sh: etags: command not found

          make[1]: [tags] Error 127 (ignored)
          make[1]: Leaving directory `/soft/unison-2.13.16'

          解决方法:

          yum -y install ctags-etags

        重新编译:

        [root@Server1 unison-2.13.16]# make UISTYLE=text THREADS=true

        [root@Server1 unison-2.13.16]# make install && echo OK

          此时如果报错:

          mv /root/bin//unison /tmp/unison-10301

          mv: cannot stat `/root/bin//unison': No such file or directory
          make: [doinstall] Error 1 (ignored)
          cp unison /root/bin/
          cp: cannot create regular file `/root/bin/': Is a directory
          make: *** [doinstall] Error 1

          解决方法:

          [root@Server2 unison-2.13.16]# mkdir /root/bin

          [root@Server2 unison-2.13.16]# cp unison /root/bin/

        重新编译:

        [root@Server1 unison-2.13.16]# make install && echo OK

        

        2.3、修改配置文件;

        [root@Server1 data]# cat /root/.unison/default.prf 

        # Unison preferences file
        root = /data
        root = ssh://root@Server2//data
        #path = www
        #ignore = Path wp-content/tmp
        ignore = Path wp-config.php #忽略wp-config.php文件 相当于rsync的exclude
        #nodeletion = /data
        batch = true
        maxthreads = 300
        #repeat = 1
        owner = true
        group = true
        perms = -1
        fastcheck = false
        sshargs = -C
        xferbycopying = true
        log = true
        logfile = /tmp/unison.log

        2.4、创建同步目录/data

        [root@Server1 ~]# mkdir /data

        [root@Server1 ~]# echo "aa" >> aa.txt

        

        2.5、在Server2上同样操作之上步骤,此处略过

        

        2.6、测试同步

        [root@Server1 ~]# unison -servercmd

        [root@Server1 data]# unison -servercmd=/root/bin/unison
        Contacting server...
        Looking for changes
        Waiting for changes from server
        Reconciling changes

        local Server2
        new file ----> bb.txt
        local : new file modified on 2015-08-19 at 14:42:45 size 5 rw-r--r-- user=0 group=0
        Server2 : absent
        Propagating updates


        UNISON started propagating changes at 14:43:10 on 19 Aug 2015
        [BGN] Copying bb.txt
        from /data
        to //Server2//data
        [END] Copying bb.txt
        UNISON finished propagating changes at 14:43:10 on 19 Aug 2015


        Saving synchronizer state
        Synchronization complete (1 item transferred, 0 skipped, 0 failures)
        [root@Server1 data]#

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  • 原文地址:https://www.cnblogs.com/zlyang/p/5885037.html
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