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inotify-tools + rsyncでディレクトリを同期する

Last updated at Posted at 2023-07-31

inotify-toolsをインストールする

[root@ip-10-0-0-4 ~]# yum list inotify-tools
Last metadata expiration check: 0:01:19 ago on Mon Jul 31 11:41:41 2023.
Available Packages
inotify-tools.x86_64                    3.22.1.0-4.amzn2023                    amazonlinux
[root@ip-10-0-0-4 ~]# yum install inotify-tools
・・・

Installed:
  inotify-tools-3.22.1.0-4.amzn2023.x86_64                                                

Complete!
[root@ip-10-0-0-4 ~]# 
[root@ip-10-0-0-4 ~]# mkdir src1
[root@ip-10-0-0-4 ~]# mkdir src2
[root@ip-10-0-0-4 ~]# ls -al
・・・
drwxr-xr-x.  2 root root   6 Jul 31 11:43 src1
drwxr-xr-x.  2 root root   6 Jul 31 11:43 src2
[root@ip-10-0-0-4 ~]# 

src1にアップされたファイルをsrc2にコピーする

[root@ip-10-0-0-4 ~]# inotifywait -m /root/src1 | xargs -I{} rsync -r /root/src1/ /root/src2/
Setting up watches.
Watches established.
・・・

試す

[root@ip-10-0-0-4 ~]# touch /root/src1/test01.txt
[root@ip-10-0-0-4 ~]# ls -al src1
total 0
drwxr-xr-x. 2 root root  24 Jul 31 11:46 .
dr-xr-x---. 5 root root 127 Jul 31 11:43 ..
-rw-r--r--. 1 root root   0 Jul 31 11:46 test01.txt

とすると、

[root@ip-10-0-0-4 ~]# ls -al src2
total 0
drwxr-xr-x. 2 root root  24 Jul 31 11:46 .
dr-xr-x---. 5 root root 127 Jul 31 11:43 ..
-rw-r--r--. 1 root root   0 Jul 31 11:46 test01.txt

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