Best of Technical Support
I need to implement NFS (Network File System) from my Linux host to a WinNT Server for files access. I have Linux Red Hat 5.2 installed on a Pentium 133 MHz and 24MB RAM machine. I also installed the NFS services (client and server). In a server machine, I have Windows NT 4.0. I read the book TCP/IP Illustrated Vol.1 by Richard Stevens (chapter 29 talks about NFS), so I am a beginner of the protocol. When I try to mount an NFS link, the following error appears:
mount: RPC: Port mapper failure - RPC: Unable to send
Can you help me? —Ing. Juan Salazar Velasco, email@example.com
The easiest way to do this is not with NFS, but with Samba, which you can get at samba.anu.edu.au. By installing Samba on your Linux box, you will be able to use smbclient to access your Windows NT server, and the combination of nmbd and smbd to allow your NT server to access files on your Linux box. This works for printers, too.
NFS services require special configuration in the Windows NT server (and usually additional software), and often aren't as fast because the native protocols to each type of server (SMB for NT and NFS for UNIX) were designed with somewhat different intentions in mind. In my experience, UNIX emulates SMB better than NT emulates NFS. —Chad Robinson, firstname.lastname@example.org
It's not clear to me which machine is the NFS server. If it's Linux, then most likely the portmapper isn't running. Type:
Also, make sure that rpc.nfsd and rpc.mountd are running on your machine.
If the server is NT, type:
showmount -e name_of_nt_server
and as long as you don't get suitable output from it, your NT server isn't configured correctly. —Marc Merlin, email@example.com
While trying to install Linux 5.2 from the Linux For Dummies book, I have somehow locked myself and the install program out of it. Once you have partitioned a drive partially for Linux, how do you get back in and straighten out any mess you may have made? The install floppy or the CD-ROM have nothing on them that I can access from the DOS prompt or from the DOS program fdisk, which, by the way, says there is an error reading the disk and won't let me in. Also, DiskDruid won't let me back in either. Can you help? —“Budskie”, Budskie@email.msn.com
I would guess that you somehow damaged your partition table, but this is tough to tell without looking further at the drive. You may wish to try a different tool, such as the fdisk program that comes with the Slackware package. It is a more raw tool, and while it may be harder to use, it probably won't completely stop you from getting to your drive.
I've seen problems like this come from misunderstandings about the LBA (logical block addressing) setting in the BIOS for a drive. Unfortunately, without knowing more about what exactly has happened, I can tell you only how to completely wipe out what you've done so you can reload your system. (The adage about backups comes to mind here.) If you do go this route, you would want to use a more basic tool (such as the fdisk that ships with Slackware) to remove all of the Linux partitions on your drive in the hopes of recovering your DOS information. Failing that, you could always remove them all and re-install Windows to return to a stable state, then try again. —Chad Robinson, firstname.lastname@example.org
|Jarvis, Please Lock the Front Door||Aug 31, 2016|
|Contrast Security's Contrast Enterprise||Aug 30, 2016|
|illusive networks' Deceptions Everywhere||Aug 29, 2016|
|Happy Birthday Linux||Aug 25, 2016|
|ContainerCon Vendors Offer Flexible Solutions for Managing All Your New Micro-VMs||Aug 24, 2016|
|Updates from LinuxCon and ContainerCon, Toronto, August 2016||Aug 23, 2016|
- Jarvis, Please Lock the Front Door
- Download "Linux Management with Red Hat Satellite: Measuring Business Impact and ROI"
- Contrast Security's Contrast Enterprise
- illusive networks' Deceptions Everywhere
- Tech Tip: Really Simple HTTP Server with Python
- Happy Birthday Linux
- What I Wish I’d Known When I Was an Embedded Linux Newbie
- Returning Values from Bash Functions
- New Version of GParted
- All about printf
With all the industry talk about the benefits of Linux on Power and all the performance advantages offered by its open architecture, you may be considering a move in that direction. If you are thinking about analytics, big data and cloud computing, you would be right to evaluate Power. The idea of using commodity x86 hardware and replacing it every three years is an outdated cost model. It doesn’t consider the total cost of ownership, and it doesn’t consider the advantage of real processing power, high-availability and multithreading like a demon.
This ebook takes a look at some of the practical applications of the Linux on Power platform and ways you might bring all the performance power of this open architecture to bear for your organization. There are no smoke and mirrors here—just hard, cold, empirical evidence provided by independent sources. I also consider some innovative ways Linux on Power will be used in the future.Get the Guide