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Full Discussion: ping by hostname not working
Top Forums UNIX for Advanced & Expert Users ping by hostname not working Post 302576203 by linuxgeek on Thursday 24th of November 2011 02:50:16 AM
Old 11-24-2011
here you go:

/etc/nsswitch.conf:

Quote:
#hosts: db files nisplus nis dns
hosts: files dns
bootparams: nisplus [NOTFOUND=return] files

ethers: files
netmasks: files
networks: files
protocols: files
rpc: files
services: files

netgroup: nisplus
publickey: nisplus
automount: files nisplus
aliases: files nisplus
/etc/resolv.conf:

Quote:
[root@puppetmaster ~]# cat /etc/resolv.conf
; generated by /sbin/dhclient-script

search prod.nyxxx.com nyxxx.com
nameserver 10.11.49.206
nameserver 10.10.50.206
/etc/hosts:
Quote:
[root@puppetmaster ~]# cat /etc/hosts
# HEADER: This file was autogenerated at Wed Oct 05 18:38:36 -0400 2011
# HEADER: by puppet. While it can still be managed manually, it
# HEADER: is definitely not recommended.
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
#192.168.11.60 puppetmaster.nyfix.selab.local puppetmaster
192.168.10.181 puppetmaster.nyfix.selab.local puppetmaster
192.168.11.65 puppetclient.nyfix.selab.local puppetclient
if I place the hostname in /etc/hosts its pingable.
 

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HOSTS(5)							File Formats Manual							  HOSTS(5)

NAME
hosts - hostname to IP address database SYNOPSIS
/etc/hosts DESCRIPTION
The hosts database lists the IP addresses and the hostnames that translate to these IP addresses. It is used by nonamed(8) in a network without name servers. A simple /etc/hosts may look like this: 127.0.0.1 localhost 192.9.200.1 darask 192.9.200.2 burask The localhost entry lists a special address that refers to the local host itself (a kind of /dev/tty for hosts.) You should only list it if nonamed needs it! The other entries are actual machines. The file may contain comments marked with '#'. You can have aliases (more hostnames on the same line), but it is not recommended, because nonamed can't present them to the system as CNAME records. An often seen form like 192.9.200.1 darask.home.cs.vu.nl darask is harmless though, and has the small advantage that you can use the short name in /etc/ethers so rarpd can match it at boot time. FILES
/etc/hosts Hosts database. SEE ALSO
ethers(5), nonamed(8), rarpd(8), boot(8). AUTHOR
Kees J. Bot (kjb@cs.vu.nl) HOSTS(5)
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