Samba: Linux Iptables Firewall Configuration

Posted on in Categories , , , , , , , , , last updated March 31, 2017

How do I configure iptables firewall under CentOS / Fedora / RHEL / Redhat Linux to allow access to the Samba server? How do I open TCP ports # 137, 138, 139 and 445 under Linux so that all Microsoft Windows machine can access files and printer on a Linux host?

ORA-12154: TNS:could not resolve the connect identifier specified Error and Solution

Posted on in Categories , , , , , last updated May 1, 2008

Q. My Oracle XE installation was working fine, but today I’m getting an error – which read as follows under Ubuntu Linux :

ORA-12154: TNS:could not resolve the connect identifier specified

How do I fix this problem without reinstalling Oracle?
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