cat /etc/snort/snort.conf | grep output

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linuxbasicsforhackers

cat /etc/snort/snort.conf | grep output
# 6) Configure output plugins
# Step #6: Configure output plugins
# output unified2: filename merged.log, limit 128, nostamp, mpls_event_types,
vlan_event_types
output unified2: filename merged.log, limit 128, nostamp, mpls_event_types,
vlan_event_types
# output alert_unified2: filename merged.log, limit 128, nostamp
# output log_unified2: filename merged.log, limit 128, nostamp
# output alert_syslog: LOG_AUTH LOG_ALERT
# output log_tcpdump: tcpdump.log
Listing 2-5: Displaying lines with instances of the keyword or phrase specified by
grep
This command will first view snort.conf and then use a pipe (
|
) to send
it to
grep
, which will take the file as input, look for lines with occurrences of
the word output, and display only those lines. The
grep
command is a very
powerful and essential command for working in Linux, because it can save
you hours of searching for every occurrence of a word or command in a file.

Text Manipulation
23
Hacker Challenge: Using grep, nl, tail, and head
Let’s say you want to display the five lines immediately before a line that
says
# Step #6: Configure output plugins
using at least four of the commands
you just learned. How would you do it? (Hint: there are many more options
to these commands than those we’ve discussed. You can learn more com-
mands by using the built-in Linux command
man
. For example,
man tail
will
show the help file for the
tail
command.)
There are many ways to solve this challenge; here, I show you which
lines to change to do it one way, and your job is to find another method.
Step 1
kali >

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