Configure VLAN trunk on CentOS/RedHat

Configure VLAN trunk on CentOS/RedHat

Reading Time: < 1 minute If you need to create a tagged VLAN on you CentOS/RedHat distribution follow this simple guide. I’ll try to explain how to reach this goal with an example. after that Suppose that a host should reach two differents VLANs both carried by a trunk connected to physical interface and that the first eth has ip 192.168.100.1/24…

Upgrade brocade firmware from USB

Upgrade brocade firmware from USB

Reading Time: < 1 minute Upgrading brocade firmware from USB is really simple. Just follow this procedure. Keep in mind that Brocade switches support firmware download from a Brocade-branded USB device. You cannot use a third-party USB device. Enabel USB usbstorage -e Upload and apply firmware firmwaredownload -U /usb/usbstorage/brocade/firmware/v7.3.0 Disable USB (You must unmount the USB device) usbStorage -d That’s…

Bonding On CentOS

Bonding On CentOS

Reading Time: 2 minutes Channel bonding is a computer networking arrangement in which two or more network interfaces on a host computer are combined for redundancy or increased throughput. We have different bond modes: mode=1 (active-backup) Active-backup policy: Only one slave in the bond is active. A different slave becomes active if, and only if, the active slave fails.…

VMware, RDP error after removing and adding a virtual nic on Windows 2008R2

VMware, RDP error after removing and adding a virtual nic on Windows 2008R2

Reading Time: < 1 minute Hi everyone, should happen that, after removing a virtual nic on a vm running windows 2008R2, and after re-adding a newone, you cannot connect using RDP protocol. The problem is related to RDP-Tcp connection. If you execute Remote Desktop Session Host Configuration unnder connection you can find the default connection named RDP-Tcp If you have a…

Install OMSA on CentOS/RedHat

Install OMSA on CentOS/RedHat

Reading Time: < 1 minute If you need to install Open Manage Server Administrator (OMSA) on a Linux (CentOS or RedHat) system the fastest way is the following: Note 1: These instructions work for RHEL5, RHEL6, CentOS, Scientific Linux. Note 2: The version of yum distributed on CentOS 3 by default is too old (yum 2.0.8). You will need to upgrade…

vSphere6

vSphere6

Reading Time: < 1 minute After  vSphere 5 VMware announce the a new major release. In this release VMware vSphere® 6.0 introduces many enhancements to VMware vSphere Hypervisor, VMware virtual machines, VMware vCenter Server™, virtual storage, and virtual networking. Right now I’ll write just a list of the improvements so you can have a quick look on which parts are involved. Later…

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