Tag Archives: linux

VNC-server on Linux

VNC-server settings on Linux Continue reading

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Configuring a Linux Host as NTP Server

  Network devices may need an NTP server to sync its clock; so that all devices in the network display same time…We can configure a Linux host as an NTP server. Check whether NTP daemon is installed in Linux: [Tested … Continue reading

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Tcpdump

tcpdump – to dump the network traffic in Linux platforms. Format: “tcpdump <options> <expressions>” · By default, ‘tcpdump’ will dump traffic on first found lowest numbered interface from the list and continues to dump packets unless a stop signal is … Continue reading

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Configuring TACACS+ in Linux

Make sure TACACS+ server is installed in the linux system [RedHat is used for below testing] [root@server2 ~]# rpm -qa | grep tac_plus tac_plus-F4.0.3.alpha-7 [root@server2 ~]# Check whether tacacs+ service is running on the linux server; [root@server2 ~]# service tac_plus … Continue reading

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Configuring RADIUS in Linux

Make sure RADIUS server is installed in the linux system [RedHat used for testing] [root@server2 ~]# rpm -qa | grep radius freeradius-1.0.1-3.RHEL4.5 [root@server2 ~]# To make radius daemon start when the system boots up: “chkconfig radiusd on” If there is … Continue reading

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Configuring Syslog in Linux

We can configure a Linux host as syslog server to receive all logs from network devices. Basic information: Syslog server runs on UDP port 514. So, by default all network devices send syslogs with UDP DST port=514. Make sure the … Continue reading

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