Bret Hughes <mailto:[EMAIL PROTECTED]> wrote:
> On Tue, 2003-06-10 at 11:08, Chris W. Parker wrote: > > jeff allen <mailto:[EMAIL PROTECTED]> wrote: > > > > > I can bring the man pages up on traceroute but it comes up with > > > the error command not found. > > > > That's because the path that leads to traceroute is not a > part of a regular user's environment. You have to > specifically call it. Use 'locate traceroute' to find out where it is. > > > > > As well I can ping web pages like google but I can't do it to our > > > intranet. This web page is inside of our network. > > > > > > This is what I am typing: > > > > > > ping http://monolith/front_page/MFW_index/htm > > > > > > > > > Am I missing something here? > > > > Yes you are. You (not you specifically, but people in general) don't > ping webpages, you ping DNS records. > > > > Well, not exactly ping is a program that sends an ICMP message (echo > request) to a machine. as with most (all?) tcp/ip networking programs > if the host given as an argument is not recognized as an ip address, a > call to a name resolution routines like gethostbyname() is made to > map a host name to an ip address. > > This is where DNS comes in. a typical linux host configuration will > look in the file /etc/hosts an if not found will ask the dns server > defined in /etc/resolv.conf for the ipaddress of the hostname. It can > take a while for the name resolution to time out. > > > Try 'ping monolith' or 'ping http://monolith' and see what you get. > I've never seen an http address without a top level domain (i.e. .com, > .net, .org, etc.) so I'd be surprised if either of those worked. > > > > I agree, that pinging monolith will let you know if the name > resolution is working. > > I would compare the /etc/hosts and /etc/resolv.conf files between the > working and not working machines. > > Bret -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://www.redhat.com/mailman/listinfo/redhat-list
