一般情況下打包文件時，如果直接打包軟連接會導致打包失敗，即沒有將要打包的內容打包進去，這里提供tar打包參數-h

[root@localhost ~]# ll /etc/rc.local

lrwxrwxrwx. 1 root root 13 Nov 24 00:45 /etc/rc.local -> rc.d/rc.local

[root@localhost ~]# tar czf tar.gz /etc/rc.local

tar: Removing leading `/' from member names

[root@localhost ~]# ll

[root@localhost ~]# sz tar.gz

rz

Starting zmodem transfer. ?Press Ctrl+C to cancel.

100% ? ? 117 bytes ?117 bytes/s 00:00:01 ? ? ? 0 Errors

[root@localhost ~]#

發現打包結果并沒有將/etc/rc.local下的內容打包進來

所以這里用-h參數

[root@localhost ~]# tar czfh rc.local.tar.gz /etc/rc.local

tar: Removing leading `/' from member names

[root@localhost ~]# ll

total 84

-rw-------. 1 root root ?1508 Nov 24 00:48 anaconda-ks.cfg

drwxr-xr-x. 5 root root ?4096 Jun 10 ?2015 fabric-scripts

-rw-r--r--. 1 root root 17062 Dec 28 10:03 fabric-scripts.tar.gz

-rw-r--r--. 1 root root 33502 Nov 24 00:48 install.log

drwxr-xr-x. 2 root root ?4096 Apr ?7 15:08 logs

drwxr-xr-x. 3 root root ?4096 Mar 23 10:35 mysql-sql

-rw-r--r--. 1 root root ? 415 Apr 12 16:42 rc.local.tar.gz

-rw-r--r--. 1 root root ? 117 Apr 12 16:31 tar.gz

[root@localhost ~]# sz rc.local.tar.gz

rz

Starting zmodem transfer. ?Press Ctrl+C to cancel.

100% ? ? 415 bytes ?415 bytes/s 00:00:01 ? ? ? 0 Errors

[root@localhost ~]#

[root@localhost ~]# tar xf rc.local.tar.gz

[root@localhost ~]# ll

-rw-r--r--. 1 root root ? 415 Apr 12 16:42 rc.local.tar.gz

-rw-r--r--. 1 root root ? 117 Apr 12 16:31 tar.gz

[root@localhost ~]# cd etc/

[root@localhost etc]# ll

total 4

-rwxr-xr-x. 1 root root 420 Mar ?8 14:36 rc.local

[root@localhost etc]# cat rc.local

#!/bin/sh

#

# This script will be executed *after* all the other init scripts.

# You can put your own initialization stuff in here if you don't

# want to do the full Sys V style init stuff.

touch /var/lock/subsys/local

#startup Open*** on boot

/usr/local/sbin/open*** --config /etc/open***/product.server.conf &

#add a iptables ruler

/sbin/iptables -t nat -I POSTROUTING -s 10.8.0.0/255.255.255.0 -o eth0 -j MASQUERADE

[root@localhost etc]#

至此，用tar打包軟連接實際目錄下內容操作成功

總結

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