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 …
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 …
Linux network tools
This is a small list of some really nice linux tools I recommend every sysadmin to have somewhere.
- dstat Combines vmstat, iostat, ifstat, netstat information and more http://dag.wieers.com/home-made/dstat/#documentation
- vnstat The
How to Install iftop
How to Install iftop on RedHat 6 64 bits, CentOS.
iftop is a very very cool tool. It displays what connections are made and their usage etc…
Script to Install…
ESX VLAN TAGGING
VLAN testing in ESX 4, So I need to test lots of VLANs and make sure connectivity is OK.
Well here is quick and easy way to do it?
1. …
nlb load balance linux
Load balancing can help with almost any kind of service, including HTTP, DNS, FTP, POP/IMAP, RDP and SMTP.
There are a number of open source load balancing applications, but one …
Linux Better Network Manager
I finally found a better product that default netowkr-manger gnome (the one that comes with ubuntu)
Its name is wicd-client and its way better check it out at:
http://wicd.sourceforge.net/download.php
How …