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тАО09-21-2006 06:19 PM
тАО09-21-2006 06:19 PM
help script .. make soft link
Hi all
that you gave tips are very helpful.
can I have your tips for script.
we have a problem.
Sometimes
some links are removed abruptly.
so some web services are bad in state.
[root@web apps]# ll
total 0
lrwxrwxrwx 1 root root 14 Sep 21 13:54 portal -> /nasnew/portal
[root@web apps]# pwd
/opt/FJSVj2ee/var/deployment/ijserver/portal/apps
as you see portal has been removed..
so
I want to have some scripts to make soft link when it is removed
the script will be cron service , for every 1 minute.
Any help will be fine.
that you gave tips are very helpful.
can I have your tips for script.
we have a problem.
Sometimes
some links are removed abruptly.
so some web services are bad in state.
[root@web apps]# ll
total 0
lrwxrwxrwx 1 root root 14 Sep 21 13:54 portal -> /nasnew/portal
[root@web apps]# pwd
/opt/FJSVj2ee/var/deployment/ijserver/portal/apps
as you see portal has been removed..
so
I want to have some scripts to make soft link when it is removed
the script will be cron service , for every 1 minute.
Any help will be fine.
2 REPLIES 2
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тАО09-21-2006 10:21 PM
тАО09-21-2006 10:21 PM
Re: help script .. make soft link
You wrote: "as you see portal has been removed.."
I don't think it's possible to see from your post what was removed.
Below is the solution in Perl (I don't have linux console to check the shell's solution):
#!/usr/bin/perl
$link = "path_to_some_link";
unless ( -l $link) {
symlink(OLDFILE,NEWFILE); #Creates a new filename symbolically linked to the old filename.
}
If you have several links to check - put them all in array and run the unless statement for every member of array.
Best in your situation would be to check the cause for links removal and to eliminate it.
I don't think it's possible to see from your post what was removed.
Below is the solution in Perl (I don't have linux console to check the shell's solution):
#!/usr/bin/perl
$link = "path_to_some_link";
unless ( -l $link) {
symlink(OLDFILE,NEWFILE); #Creates a new filename symbolically linked to the old filename.
}
If you have several links to check - put them all in array and run the unless statement for every member of array.
Best in your situation would be to check the cause for links removal and to eliminate it.
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тАО09-23-2006 05:39 PM
тАО09-23-2006 05:39 PM
Re: help script .. make soft link
Sobetter is to try investigate why exactly link is removed,but do following if you want only recreate link:
run
crontab -e
add folloving line
* * * * * ln -s /opt/FJSVj2ee/var/deployment/ijserver/portal/apps/portal /nasnew/portal
run
crontab -e
add folloving line
* * * * * ln -s /opt/FJSVj2ee/var/deployment/ijserver/portal/apps/portal /nasnew/portal
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