GNU/LINUX System Administration notes

01Aug Find machine architecture of a linux system

This information will be useful in finding out the particular rpm that you have to download when the rpms made for all architectures are available from public repos like rpmind.net , rpm.pbone.net etc
Run the following command
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uname -m
or
/bin/arch
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01May Finding out the device file for newly added hardware

The following procedure may help find a device identifier or device file for a newly added hardware device in GNU/Linux . In the example I am connecting a USB pendrive
You can find the details from the Linux kernel log
hnlinux:~ # tail -f /var/log/messages
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May 2 01:38:24 hnlinux kernel: usb 1-7: new high speed USB device [...]