Whaddyamean net-tools is deprecated???
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Howard White
Oct 9, 2020, 12:19:58 PM10/9/20
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I am not the most versed student of the arp command so I hit the man
page to get more info only to see, in passing, that the entire net-tools
package is now "obsolete" and no longer maintained. Okay, I admit that
I have gotten prior hints about that with the ifconfig command as well.
No more arp, hello ip n.
So I've searched up this cheat sheet:
<https://iamhow.com/Technical_Notes/Replacement_commands_for_net-tools_cheatsheet.html>
Swell.
Remember all of our grousing about systemd? grouse, grouse, grouse,
grouse...
Howard
page to get more info only to see, in passing, that the entire net-tools
package is now "obsolete" and no longer maintained. Okay, I admit that
I have gotten prior hints about that with the ifconfig command as well.
No more arp, hello ip n.
So I've searched up this cheat sheet:
<https://iamhow.com/Technical_Notes/Replacement_commands_for_net-tools_cheatsheet.html>
Swell.
Remember all of our grousing about systemd? grouse, grouse, grouse,
grouse...
Howard
Tilghman Lesher
Oct 9, 2020, 12:30:38 PM10/9/20
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It's kind of funny, because back when we started running the
Installfests, before the turn of the century, these tools were already
deprecated at that point, and the ip command was already available.
When we configured the T1 tunnel at VCCH, I had to use the 'ip'
command to set up the routes, because you couldn't set the source
address with the 'route' command.
20 years is a good long time for a tool to continue to be maintained
beyond its official deprecation.
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Tilghman
Installfests, before the turn of the century, these tools were already
deprecated at that point, and the ip command was already available.
When we configured the T1 tunnel at VCCH, I had to use the 'ip'
command to set up the routes, because you couldn't set the source
address with the 'route' command.
20 years is a good long time for a tool to continue to be maintained
beyond its official deprecation.
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Tilghman
dbacus67
Oct 9, 2020, 4:21:09 PM10/9/20
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Howard,
Shell functions in .bashrc for the win!
arp() {
if [ "$1" = "-v" ]
then
ip -s neigh
else
ip neigh
fi
}
Not a perfect example, since I'm typing this on my phone, but enough to give a start if you have a mind to do so.
However, I'm old, cranky, and don't need to change 30 some years of knowing arp, ifconfig, etc. for the "convenience" of the new kids coming into IT... LOL! I'm sure that I will be working on these at some point.
I hope that everyone has a great weekend!
Dan
Howard White
Oct 9, 2020, 4:27:09 PM10/9/20
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I figured out ip n show and it's output is actually cleaner than arp -a.
Howard
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Howard White
Oct 9, 2020, 6:14:22 PM10/9/20
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To come full circle on this topic, the point of the arp vs. ip n show
disscusion was my attempt to expand what comes out of lpstat -v to
include MAC. I deal with a customer that chooses not to configure
printers with either reserved IP or static IP and if there is a major
disruption, we have to go chasing down printers.
Did I mention that this customer is in Lake Charles, LA? Can you say
two hurricanes in one year? I thought you could...
So here is the synopsis of what I came up with for my and your future
reference.
- lpstat -v > somefile.txt
massage somefile.txt to remove non-relevant printers, i.e. those at
other locations not affected by said hurricane
-create a handy printmung.sed script
s_device for _echo "_
s_ socket://_" `ip n show _
s_:9100_`_
(note the "_" is the edit delimiter so as to avoid conflict with the
"//" in line two.)
- cat somefile.txt | sed -f printmung.sed > myscript.sh
- edit myscript.sh to include the #!/bin/bash and check things over
- chmod 755 myscript.sh
-./myscript.sh > nextfile.txt
YMMV
Howard
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disscusion was my attempt to expand what comes out of lpstat -v to
include MAC. I deal with a customer that chooses not to configure
printers with either reserved IP or static IP and if there is a major
disruption, we have to go chasing down printers.
Did I mention that this customer is in Lake Charles, LA? Can you say
two hurricanes in one year? I thought you could...
So here is the synopsis of what I came up with for my and your future
reference.
- lpstat -v > somefile.txt
massage somefile.txt to remove non-relevant printers, i.e. those at
other locations not affected by said hurricane
-create a handy printmung.sed script
s_device for _echo "_
s_ socket://_" `ip n show _
s_:9100_`_
(note the "_" is the edit delimiter so as to avoid conflict with the
"//" in line two.)
- cat somefile.txt | sed -f printmung.sed > myscript.sh
- edit myscript.sh to include the #!/bin/bash and check things over
- chmod 755 myscript.sh
-./myscript.sh > nextfile.txt
YMMV
Howard
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Csaba Toth
Oct 9, 2020, 7:40:13 PM10/9/20
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"chooses not to configure printers with either reserved IP or static IP and if there is a major disruption, we have to go chasing down printers." - sounds like the customer enjoys shooting himself on the foot on purpose.
I hope your contract is hourly based and such chases yield you some money.
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