On RHEL6 and RHEL7 once you add a second interface on the same subnet, it does not work ( no ping) The cause of the problem is a change on the parameter rp_filter vi /etc/sysctl.conf net.ipv4.conf.default.rp_filter = 2 net.ipv4.conf.all.rp_filter = […]
CentOS7 change interface name
In CentOS7 or RedHat7 again we have funky strange network interfaces names… To change the name back to eth0 just follow: 1. Rename the device name vi /etc/sysconfig/network-scripts/ifcfg-ens** 2. Rename the file mv /etc/sysconfig/network-scripts/ifcfg-ens192 /etc/sysconfig/network-scripts/ifcfg-eth0 3. add net.ifnames=0 biosdevname=0 to […]
Google Discovery
Google has lunched a new interface. I really like the inovation, to test it you have to do: 1. Open your browser to here Google 2. Copy and paste this code to your address bar: Now do a simple search […]