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Hi,

I have different Linux server which connected via LAN ( Cisco switch and fire wall ).
Which is the best way to check the performance of LAN ?
e.g. permanent traces on Cisco switch or...

Hi,

which software is recommended for backup of UNIX systems ( e.g. SUN, Solaris ). Backup software and database e.g. Oracle.
One possibility is Networker, but license is expensive and also...

Hi,

it is not so simple, we need more information.
How is the connection between the hosts ( e.g. router ).
Look for the command traceroute.

Best regards
Dieter

Hi,

I wrote an rm script to force all time rm -i.
This You can set as variable in .profile.
At first will asked the enviroment, so the user will asked all time.
The same You can do for mv und...

Hi,

if You want avoid unwanted remove, You can write Your on Script rm to force the user all time use option -i.
Set this as enviroment variable with .profile.
At first UNIX will ask the...

Hi,

did You try

cat file1 | sort ... >file2

Best regards
Dieter

crontab -l >$CRON_TEMP

awk '$0!~/PATTERN/ { print $0 }' $CRON_TEMP >$CRON_NEW

crontab $CRON_NEW

# PATTERN means some words of the line which should not be in new crontab

Hallo Reborg,

Very good, thank You for Your help.

Best regards
Dieter

I want develop a script which should also check validity of netmask.
e.g.
/etc/netmasks
10.15.20.30 255.255.255.224

How can I check which IP adresses are valid for this netmask?
I...