Linux Tech Tips

Network monitoring tools are used to monitor the network, systems present on the network, various service running on the network, traffic etc. Ping: Ping command is used to check if the system is in the network or not. To check if the host is operating. e.g. ping ip_address [root@server1 ~]# ping 172.26.128.132 PING 172.26.128.132 (172.26.128.132) 56(84) bytes of data. 64 bytes from 172.26.128.132: icmp_seq=0 ttl=58 time=3.27 ms 64 bytes from 172.26.128.132: icmp_seq=1 ttl=58 time=3.12 ms 64 bytes from 172.26.128.132: icmp_seq=2 ttl=58 time=1.92 ms 64 bytes from 172.26.128.132: icmp_seq=3 ttl=58 time=3.10 ms 64 bytes from 172.26.128.132: icmp_seq=4 ttl=58 time=2.14 ms --- 172.26.128.132 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4006ms rtt min/avg/max/mdev = 1.922/2.715/3.279/0.564 ms, pipe 2 [root@server1 ~]# When the command is executed, it returns a detailed summary of the host. Packets sent, received, lost by...

Quick and easisest way: wget http://apt.sw.be/redhat/el5/en/x86_64/rpmforge/RPMS//rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm rpm -Uvh rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm yum install ntop # Get yum ready yum clean all yum update # Install Development Tools yum groupinstall “Development Tools” # Install more ntop Dependencies yum install libpcap-devel libpcap # Install RDD tools dependencies yum install cairo-devel libxml2-devel pango-devel pango libpng-devel freetype freetype-devel libart_lgpl-devel # Download, compile and install RDDTools wget http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.4.5.tar.gz tar xvzf rrdtool-1.4.5.tar.gz cd rrdtool-1.4.5 ./configure make make install # Download, compile and Install GeopIP wget http://geolite.maxmind.com/download/geoip/api/c/GeoIP.tar.gz tar xvzf GeoIP.tar.gz cd GeoIP-1.4.6/ ./configure ./make ./make install NOTE: config at: /usr/local/etc/GeoIP.conf ...