Archive for February 2010

Why can’t I unmount my mount?

This basic (re-worded) question came in from Jeff: “Why won’t my remote filesystem mount unmount when I try the umount command?” It’s very true:  If you try to umount (unmount) a filesystem that is currently being accessed, it will not let you do it.  And it will tell you something like, “umount: /media/ncp: device is [...]

How to configure a USB attached serial port on Linux

Recently I came out of the 1990′s, and moved to an IBM laptop that does not have a serial port… Gasp! Of course, this is not a big deal to alot of people, but I’m a server guy.  I do terminal sessions to Sun/Solaris servers and Cisco routers and such;  I really can’t live without [...]

How can I disable the firewall on SLES?

Believe it or not, there are valid reasons why you might want to disable the firewall service on a Suse Linux Enterprise Server (SLES).  For instance, avoiding NCP time-outs on client connections for an OES/SLES server.  If you just want to know how to disable the firewall in most modern incarnations of SLES, read on… [...]