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I'd like to create a custom NIS map in order to be able to look up my own information using ypmatch and map between local and centralised usernames. How can this be achieved?

nis

share|improve this question

asked Aug 14 '15 at 9:59

ralightralight

1362

bumped to the homepage by Community♦ 10 mins ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

0

I'd like to create a custom NIS map in order to be able to look up my own information using ypmatch and map between local and centralised usernames. How can this be achieved?

nis

share|improve this question

asked Aug 14 '15 at 9:59

ralightralight

1362

bumped to the homepage by Community♦ 10 mins ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

I'd like to create a custom NIS map in order to be able to look up my own information using ypmatch and map between local and centralised usernames. How can this be achieved?

nis

share|improve this question

asked Aug 14 '15 at 9:59

ralightralight

1362

share|improve this question

asked Aug 14 '15 at 9:59

ralightralight

1362

share|improve this question

asked Aug 14 '15 at 9:59

ralightralight

1362

asked Aug 14 '15 at 9:59

ralightralight

1362

asked Aug 14 '15 at 9:59

ralightralight

1362

1 Answer
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0

First off, edit /var/yp/Makefile to add in the new map. You’ve probably got something like this:

PASSWD = $(YPPWDDIR)/passwd

We need to add a new line for the new map. This is going to be the new username map, so call it usermap.

USERMAP = $(YPSRCDIR)/usermap

YPSRCDIR is /etc in my case, but obviously choose the path that suits you the best.

Now find a line that starts all:. This is the list of maps to update. Add your new map to the end, so it’ll be something like

all: auto.home auto.master group hosts netgrp passwd usermap

Further down where there is a group of lines like this:

passwd:         passwd.byname passwd.byuid

you should add in your own map:

usermap : usermap.byname

The byname part is an indicator for what the map key is and isn’t that important for us.

You now need to add a section to tell the makefile how to update your map:

usermap.byname: $(USERMAP) $(YPDIR)/Makefile

        @echo "Updating $@..."

        @$(AWK) -F: '!/^[-+#]/ { if ($$1 != "" && $$2 != "" ) 

                print $$1"t"$$2 }' $(USERMAP) 

                | $(DBLOAD) -i $(USERMAP) -o $(YPMAPDIR)/$@ - $@

        -@$(NOPUSH) || $(YPPUSH) -d $(DOMAIN) $@

This processes the file /etc/usermap and generates the map file. Essentially you just need to print keytvalue into $(DBLOAD) …. This example extracts data from the file assuming it is in the format key:value.

Now edit /var/yp/nicknames to add your new map:

usermap    usermap.byname

then run make in /var/yp as normal.

If you have a slave server you’ll probably have a timeout with the new map at this point. To get round this, you need to run ypxfr on the slave to get the map first:

/usr/lib/yp/ypxfr -d <yp domain> -h <yp master host> usermap.byname

share|improve this answer

answered Aug 14 '15 at 9:59

ralightralight

1362

add a comment | 

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0

First off, edit /var/yp/Makefile to add in the new map. You’ve probably got something like this:

PASSWD = $(YPPWDDIR)/passwd

We need to add a new line for the new map. This is going to be the new username map, so call it usermap.

USERMAP = $(YPSRCDIR)/usermap

YPSRCDIR is /etc in my case, but obviously choose the path that suits you the best.

Now find a line that starts all:. This is the list of maps to update. Add your new map to the end, so it’ll be something like

all: auto.home auto.master group hosts netgrp passwd usermap

Further down where there is a group of lines like this:

passwd:         passwd.byname passwd.byuid

you should add in your own map:

usermap : usermap.byname

The byname part is an indicator for what the map key is and isn’t that important for us.

You now need to add a section to tell the makefile how to update your map:

usermap.byname: $(USERMAP) $(YPDIR)/Makefile

        @echo "Updating $@..."

        @$(AWK) -F: '!/^[-+#]/ { if ($$1 != "" && $$2 != "" ) 

                print $$1"t"$$2 }' $(USERMAP) 

                | $(DBLOAD) -i $(USERMAP) -o $(YPMAPDIR)/$@ - $@

        -@$(NOPUSH) || $(YPPUSH) -d $(DOMAIN) $@

This processes the file /etc/usermap and generates the map file. Essentially you just need to print keytvalue into $(DBLOAD) …. This example extracts data from the file assuming it is in the format key:value.

Now edit /var/yp/nicknames to add your new map:

usermap    usermap.byname

then run make in /var/yp as normal.

If you have a slave server you’ll probably have a timeout with the new map at this point. To get round this, you need to run ypxfr on the slave to get the map first:

/usr/lib/yp/ypxfr -d <yp domain> -h <yp master host> usermap.byname

share|improve this answer

answered Aug 14 '15 at 9:59

ralightralight

1362

add a comment | 

0

First off, edit /var/yp/Makefile to add in the new map. You’ve probably got something like this:

PASSWD = $(YPPWDDIR)/passwd

We need to add a new line for the new map. This is going to be the new username map, so call it usermap.

USERMAP = $(YPSRCDIR)/usermap

YPSRCDIR is /etc in my case, but obviously choose the path that suits you the best.

Now find a line that starts all:. This is the list of maps to update. Add your new map to the end, so it’ll be something like

all: auto.home auto.master group hosts netgrp passwd usermap

Further down where there is a group of lines like this:

passwd:         passwd.byname passwd.byuid

you should add in your own map:

usermap : usermap.byname

The byname part is an indicator for what the map key is and isn’t that important for us.

You now need to add a section to tell the makefile how to update your map:

usermap.byname: $(USERMAP) $(YPDIR)/Makefile

        @echo "Updating $@..."

        @$(AWK) -F: '!/^[-+#]/ { if ($$1 != "" && $$2 != "" ) 

                print $$1"t"$$2 }' $(USERMAP) 

                | $(DBLOAD) -i $(USERMAP) -o $(YPMAPDIR)/$@ - $@

        -@$(NOPUSH) || $(YPPUSH) -d $(DOMAIN) $@

This processes the file /etc/usermap and generates the map file. Essentially you just need to print keytvalue into $(DBLOAD) …. This example extracts data from the file assuming it is in the format key:value.

Now edit /var/yp/nicknames to add your new map:

usermap    usermap.byname

then run make in /var/yp as normal.

If you have a slave server you’ll probably have a timeout with the new map at this point. To get round this, you need to run ypxfr on the slave to get the map first:

/usr/lib/yp/ypxfr -d <yp domain> -h <yp master host> usermap.byname

share|improve this answer

answered Aug 14 '15 at 9:59

ralightralight

1362

add a comment | 

First off, edit /var/yp/Makefile to add in the new map. You’ve probably got something like this:

PASSWD = $(YPPWDDIR)/passwd

We need to add a new line for the new map. This is going to be the new username map, so call it usermap.

USERMAP = $(YPSRCDIR)/usermap

YPSRCDIR is /etc in my case, but obviously choose the path that suits you the best.

Now find a line that starts all:. This is the list of maps to update. Add your new map to the end, so it’ll be something like

all: auto.home auto.master group hosts netgrp passwd usermap

Further down where there is a group of lines like this:

passwd:         passwd.byname passwd.byuid

you should add in your own map:

usermap : usermap.byname

The byname part is an indicator for what the map key is and isn’t that important for us.

You now need to add a section to tell the makefile how to update your map:

usermap.byname: $(USERMAP) $(YPDIR)/Makefile

        @echo "Updating $@..."

        @$(AWK) -F: '!/^[-+#]/ { if ($$1 != "" && $$2 != "" ) 

                print $$1"t"$$2 }' $(USERMAP) 

                | $(DBLOAD) -i $(USERMAP) -o $(YPMAPDIR)/$@ - $@

        -@$(NOPUSH) || $(YPPUSH) -d $(DOMAIN) $@

This processes the file /etc/usermap and generates the map file. Essentially you just need to print keytvalue into $(DBLOAD) …. This example extracts data from the file assuming it is in the format key:value.

Now edit /var/yp/nicknames to add your new map:

usermap    usermap.byname

then run make in /var/yp as normal.

If you have a slave server you’ll probably have a timeout with the new map at this point. To get round this, you need to run ypxfr on the slave to get the map first:

/usr/lib/yp/ypxfr -d <yp domain> -h <yp master host> usermap.byname

share|improve this answer

answered Aug 14 '15 at 9:59

ralightralight

1362

PASSWD = $(YPPWDDIR)/passwd

USERMAP = $(YPSRCDIR)/usermap

all: auto.home auto.master group hosts netgrp passwd usermap

passwd:         passwd.byname passwd.byuid

usermap : usermap.byname

usermap.byname: $(USERMAP) $(YPDIR)/Makefile

        @echo "Updating $@..."

        @$(AWK) -F: '!/^[-+#]/ { if ($$1 != "" && $$2 != "" ) 

                print $$1"t"$$2 }' $(USERMAP) 

                | $(DBLOAD) -i $(USERMAP) -o $(YPMAPDIR)/$@ - $@

        -@$(NOPUSH) || $(YPPUSH) -d $(DOMAIN) $@

usermap    usermap.byname

/usr/lib/yp/ypxfr -d <yp domain> -h <yp master host> usermap.byname

share|improve this answer

answered Aug 14 '15 at 9:59

ralightralight

1362

answered Aug 14 '15 at 9:59

ralightralight

1362

answered Aug 14 '15 at 9:59

ralightralight

1362