10-19-2007
Print the first four characters of hostname
Hey,
I'm trying to print the first four characters of the hostname of a computer.
I can get it from using:
hostname -s | sed 's/...........$//'"
but this is when I know how many characters are in the computer name.
I dont understand why some like:
hostname -s | sed '/..../p'
wont work?
Any ideas?
Thanks.
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LEARN ABOUT CENTOS
audispd.conf
AUDISPD.CONF:(5) System Administration Utilities AUDISPD.CONF:(5)
NAME
audispd.conf - the audit event dispatcher configuration file
DESCRIPTION
audispd.conf is the file that controls the configuration of the audit event dispatcher. The options that are available are as follows:
q_depth
This is a numeric value that tells how big to make the internal queue of the audit event dispatcher. A bigger queue lets it handle a
flood of events better, but could hold events that are not processed when the daemon is terminated. If you get messages in syslog
about events getting dropped, increase this value. The default value is 80.
overflow_action
This option determines how the daemon should react to overflowing its internal queue. When this happens, it means that more events
are being received than it can get rid of. This error means that it is going to lose the current event its trying to dispatch. It
has the following choices: ignore, syslog, suspend, single, and halt. If set to ignore, the audisp daemon does nothing. syslog
means that it will issue a warning to syslog. suspend will cause the audisp daemon to stop processing events. The daemon will still
be alive. The single option will cause the audisp daemon to put the computer system in single user mode. halt option will cause the
audisp daemon to shutdown the computer system.
priority_boost
This is a non-negative number that tells the audit event dispatcher how much of a priority boost it should take. This boost is in
addition to the boost provided from the audit daemon. The default is 4. No change is 0.
max_restarts
This is a non-negative number that tells the audit event dispatcher how many times it can try to restart a crashed plugin. The
default is 10.
name_format
This option controls how computer node names are inserted into the audit event stream. It has the following choices: none, hostname,
fqd, numeric, and user. None means that no computer name is inserted into the audit event. hostname is the name returned by the
gethostname syscall. The fqd means that it takes the hostname and resolves it with dns for a fully qualified domain name of that
machine. Numeric is similar to fqd except it resolves the IP address of the machine. User is an admin defined string from the name
option. The default value is none.
name This is the admin defined string that identifies the machine if user is given as the name_format option.
SEE ALSO
audispd(8)
Red Hat Jan 2008 AUDISPD.CONF:(5)