Monitor
Routers, Firewalls and Linux Servers agentless, with the support of SNMP (Simple Network Management Protocol) tool. It
is an internet protocol that can retrieve the operational statistics from the
devices remotely. Its binary available in CentOS 7.
Step 1. SNMP Installation: Run the following command to install snmp binary:
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[root@linuxcnf ~]# yum install
net-snmp -y
Loaded plugins: fastestmirror
……………………..
Installed:
net-snmp.x86_64 1:5.7.2-49.el7_9.2
Dependency Installed:
lm_sensors-libs.x86_64 0:3.4.0-8.20160601gitf9185e5.el7 net-snmp-agent-libs.x86_64 1:5.7.2-49.el7_9.2
Complete!
[root@linuxcnf ~]#
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Step 2. Start SNMP
Service: Run the following command to start
the service and enable it to auto start on across reboot:
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[root@linuxcnf ~]# systemctl
enable snmpd --now
Created symlink from
/etc/systemd/system/multi-user.target.wants/snmpd.service to
/usr/lib/systemd/system/snmpd.service.
[root@linuxcnf ~]#
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[root@linuxcnf ~]# systemctl
status snmpd
● snmpd.service - Simple Network
Management Protocol (SNMP) Daemon.
Loaded: loaded (/usr/lib/systemd/system/snmpd.service; enabled; vendor
preset: disabled)
Active: active (running) since Sat 2022-10-22 08:53:14 IST; 11s ago
Main PID: 17922 (snmpd)
CGroup: /system.slice/snmpd.service
└─17922 /usr/sbin/snmpd -LS0-6d -f
Oct 22 08:53:13 linuxcnf
systemd[1]: Starting Simple Network Management Protocol (SNMP) Daemon....
Oct 22 08:53:14 linuxcnf
snmpd[17922]: NET-SNMP version 5.7.2
Oct 22 08:53:14 linuxcnf
systemd[1]: Started Simple Network Management Protocol (SNMP) Daemon..
[root@linuxcnf ~]#
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