Author Archive

In this article I will show you how to benefit from using VLAN Tagging with ESX Virtual Switches. This will allow you to increase bandwidth on demand and allow you to run multiple VLANs on your server without installing extra NICs on your ESX. Probably some of you have heard or used EtherChannels in your […]

Monday, June 4th, 2012 at 23:44 | 0 comments
Categories: Cisco, VMware

Having a time server in your organization can help you resolve a lot of network issues that you always wonder why is it happening. Linux provides you with a very cool and powerful NTP time server, plus its really easy to install and setup as well. you can pretty much sync all your network devices, […]

Tuesday, March 13th, 2012 at 20:09 | 0 comments
Categories: Linux

TFTP or Trivial File Transfer Protocol is way in which you can save the configurations of your network devices such as Routers, Switches and Firewalls over the network to a server. This can be very helpful if you have to role back your configurations, or in case of a network device failure that requires you […]

Sunday, January 8th, 2012 at 03:31 | 0 comments
Categories: Linux
Tags: ,

In this article I’m going to show you how to simply setup a central syslog server that will allow you to collect system logs from multiple Linux, Windows and Network Devices simultaneously. I will be using the “rsyslog” service running on CentOS 6.x this also applies to RHLE 5.3.x. rsyslog is newer version of syslog […]

Sunday, January 1st, 2012 at 20:06 | 0 comments
Categories: Linux

One of the most common mistakes that people do when they allow SSH access to a server over the public internet is that they allow direct root access to the server. Some small organizations choose to host their websites on single VPS in a cloud or maybe use that VPS for more other reasons and […]

Monday, December 26th, 2011 at 21:25 | 0 comments
Categories: Linux

One of the simple ways to expand the size of your virtual machine vmdk drive is using the ESX or vSphere Service Console. I’ve personally used it with ESX 3.5 and up to vSphere 4.1 and today i’ll show you how easily this can be done ! Before you start anything i strongly recommend that you take a […]

Wednesday, December 21st, 2011 at 19:14 | 0 comments
Categories: VMware, Windows