(1) Display General Message Logs
#!/bin/bash
echo "This
script shows the General Message Logs "
f= "/var/log/messages"
if [ -e
$f ]
then
cd /var/log
echo " Welcome to the LOG directory `pwd` "
head -5 messages
> sample1
echo "Demo of the logs message "
cat sample1
echo "task complete "
fi
ouptput
This script shows the General Message Logs
Welcome to
the LOG directory /var/log
Demo of the logs message
Dec 29 03:45:20 CLIENT syslogd 1.4.1: restart.
Dec 29 03:45:20 CLIENT nmbd[2423]: Got SIGHUP dumping debug info.
Dec 29 03:45:20 CLIENT nmbd[2423]: [2013/12/29
03:45:20, 0] nmbd/nmbd_workgroupdb.c:dump_workgroups(282)
Dec 29 03:45:20 CLIENT nmbd[2423]: dump_workgroups()
Dec 29 03:45:20 CLIENT nmbd[2423]: dump workgroup on subnet 10.0.2.15: netmask= 255.255.255.0:
task complete
(2) Display Authentication Message Logs
#!/bin/bash
echo "This script shows the Authentication
Message Logs "
f="/var/log/secure"
if [ -e $f
]
then
cd /var/log
echo " Welcome to the LOG directory
`pwd` "
head -5 secure
> sample2
echo "Demo of the logs message "
cat sample2
echo "task complete "
fi
output
[root@CLIENT ~]# ./secure.sh
This script shows the Authentication Message Logs
Welcome to
the LOG directory /var/log
Demo of the logs message
Dec 30 04:18:34 CLIENT sshd[2312]: Server
listening on :: port 22.
Dec 30 04:18:34 CLIENT sshd[2312]: Server
listening on 0.0.0.0 port 22.
Dec 30 04:20:27 CLIENT gdm[2593]:
pam_unix(gdm:session): session opened for user root by (uid=0)
Dec 30 05:21:47 CLIENT su:
pam_unix(su-l:session): session opened for user alice by root(uid=0)
Dec 30 05:22:20 CLIENT su:
pam_unix(su-l:session): session closed for user alice
task complete
(3) Display Mail Event Logs
#!/bin/bash
echo "This script shows the Mail Events Logs "
f="/var/log/maillog"
if [ -e $f
]
then
cd /var/log
echo " Welcome to the LOG directory
`pwd` "
head -5 maillog
> sample3
echo "Demo of the logs message "
cat sample3
echo "task complete "
output
root@CLIENT ~]# ./maillog.sh
This script shows the Mail Events Logs
Welcome to
the LOG directory /var/log
Demo of the logs message
Dec 29 03:45:35 CLIENT sendmail[3685]:
rBSMFZHo003685: from=root, size=228, class=0, nrcpts=1, msgid=<201312282215.rBSMFZHo003685@CLIENT>,
relay=root@localhost
Dec 29 03:45:35 CLIENT sendmail[3686]:
rBSMFZTx003686: from=<root@CLIENT>, size=457, class=0, nrcpts=1,
msgid=<201312282215.rBSMFZHo003685@CLIENT>, proto=ESMTP, daemon=MTA,
relay=localhost.localdomain [127.0.0.1]
Dec 29 03:45:35 CLIENT sendmail[3685]:
rBSMFZHo003685: to=root, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00,
mailer=relay, pri=30228, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent
(rBSMFZTx003686 Message accepted for delivery)
Dec 29 03:45:35 CLIENT sendmail[3687]:
rBSMFZTx003686: to=<root@CLIENT>, ctladdr=<root@CLIENT> (0/0),
delay=00:00:00, xdelay=00:00:00, mailer=local, pri=30647, dsn=2.0.0, stat=Sent
Dec 29 04:02:06 CLIENT sendmail[3833]:
rBSMW3Gb003833: from=root, size=3843, class=0, nrcpts=1,
task complete
