Minicom is the hyperterminal for Linux. Minicom is by default not installed. Install Minicom with the following command sudo apt-get install minicom Find your serial port dmesg | grep tty $ dmesg | grep tty [ 0.001251] console [tty0] enabled [ 72.953237] usb 6-1: pl2303 converter now attached to ttyUSB0 I use a USB serial [...]
Posts Tagged ‘Switch’
Reset a Foundry ServerIron XL password
March 25th, 2010
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Previously I posted a blog about completely resetting a Foundry ServerIron XL But what if you only want to reset the password? This is how it works.. Connect with a serial cable to the Foundry ServerIron XL. 1) Unplug the Switch 2) Plug the switch back in, and be immediately ready to: 3) Hit b [...]
iSCSI and VMWare Tips
March 2nd, 2010
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I found a great article named A “Multivendor Post” to help our mutual iSCSI customers using VMware You really should read it if your using a SAN in combination with ESX 3.5 http://virtualgeek.typepad.com/virtual_geek/2009/01/a-multivendor-post-to-help-our-mutual-iscsi-customers-using-vmware.html
Massive TCP Retransmits with ESX 3.5 U5, HP ProCurve 3500yl and Equallogic SAN – UPDATED
February 25th, 2010
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I’m using serveral ESX 3.5 U5 connected to 2 HP ProCurve 3500yl. When I monitor my Equallogic SAN with SAN Headquarters 2.0 there are a lot of TCP Retransmits. Sometimes more than 3%. After some troubleshooting I discovered the TCP Retransmits are caused by the ESX Nic Teaming connected to the HP ProCurve switches. Every [...]
Reset a foundry ServerIron XL to factory defaults
February 23rd, 2010
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I needed to reset a Foundry Server Iron XL back to factory defaults, and surprisingly couldn’t find the instructions via my buddy google. Foundry is really stingy with with support documents, and knowledge portal acccess, and unless you have a valid support contract, you can’t find ANYTHING. Luckily I do, so I figured I’d share [...]
Clear statistics HP Procurve switch without reboot
February 23rd, 2010
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It is useful to be able to clear all counters and statistics without rebooting the switch when troubleshooting network issues. The clear statistics global command clears all counters and statistics for all interfaces except SNMP. You can also clear the counters and statistics for an individual port using the clear statistics <port-list> command. clear statistics [...]
