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Full Discussion: Strange permission issue on Linux server.
Top Forums Shell Programming and Scripting Strange permission issue on Linux server. Post 303003604 by mohtashims on Sunday 17th of September 2017 03:14:35 AM
Old 09-17-2017
RedHat Strange permission issue on Linux server.
Starting
Code:
sendmail

throws this error:

Quote:
Sep 17 06:56:06 techx make[23857]: makemap: error opening type hash map access.db: Executable files not allowed
I decided to see the permission on the files under /etc/mail and this is the output:

Code:
[root@techx mail]# ls -ltr
total 284
-rwxr-xr-x. 1 root root  1847 Jan 27  2014 virtusertable
-rwxr-xr-x. 1 root root   127 Jan 27  2014 trusted-users
-rwxr-xr-x. 1 root root    92 Jan 27  2014 Makefile
-rwxr-xr-x. 1 root root  2700 Jan 27  2014 make
-rwxr-xr-x. 1 root root   997 Jan 27  2014 mailertable
-rwxr-xr-x. 1 root root   233 Jan 27  2014 domaintable
-rwxr-xr-x. 1 root root   724 Sep 12 18:13 access
-rwxr-xr-x. 1 root root 12288 Sep 12 18:13 access.db
-rwxr-xr-x. 1 root root  1041 Jun  9  2014 submit.mc
.....
.....

On my dev server development_techx this works perfectly fine so i decided to compare the permission of the dev which shows

Code:
[root@development_techx mail]# ls -ltr
total 440
-rwxr-xr-x 1 root root  1847 Jan 27  2014 virtusertable
-rwxr-xr-x 1 root root   127 Jan 27  2014 trusted-users
-rwxr-xr-x 1 root root    92 Jan 27  2014 Makefile
-rwxr-xr-x 1 root root  2700 Jan 27  2014 make
-rwxr-xr-x 1 root root   997 Jan 27  2014 mailertable
-rwxr-xr-x 1 root root    64 Jan 27  2014 local-host-names
-rwxr-xr-x 1 root root   724 Sep 12 18:13 access
-rwxr-xr-x 1 root root 12288 Sep 12 18:13 access.db
-rwxr-xr-x 1 root root  1041 Jun  9  2014 submit.mc
-rwxr-xr-x 1 root root 41680 Jun  9  2014 submit.cf
.....
.....

Do you see the difference ?

The problem with techx server is all the files have permission which hows a (.) a (dot) at the end of the permissions when you fire the ls -ltr command which we do not see on development_techx as you can see below.

wrong vs right

-rwxr-xr-x. 1 root root 724 Sep 12 18:13 access vs -rwxr-xr-x 1 root root 724 Sep 12 18:13 access

I had used chmod -R 755 /etc/mail command for changing permission on both the servers.

So why do i see the difference or the (.) in the end and how can i resolve this difference ?
Last edited by mohtashims; 09-17-2017 at 06:08 AM..
 

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