You can display and change the default boot device on a SUN Sparc server from the eeprom console.
List the bootable devices with the devalias command,
ok devalias
cdrom /pci@0,600000/pci@0/pci@0/scsi@0/disk@4,0:f
net ...
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Hardware
Changing the default boot device on a Sparc server
How to list the type of fiber channel card and it’s WWN info in AIX
I needed to find out the type of fiber channel HBA cards installed in the Aix server. Here are the commands I used to find the information,
Use the lsdev command to list the fiber channel cards (HBA) installed in the Aix server. Depending on the version of aix one or all of the...
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How to upgrade or downgrade ScreenOS using either the WebUI or CLI
I tried uploading the Juniper 5GT screenOS file name ns5gt.6.2.0r2.0 via the WebUI interface. But it kept failing with the error message “File too big or empty”. I then had to upgrade the screenOS or firmware through the command line interface of CLI.
I downloaded the TFTP server for Windows from Solar...
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How to create a virtual disk with the Dell OpenManage Server Admnistrator.
Open the Dell OpenManage Server Administrator
Click on System – Storage – PERC 5/E Adapter (PCI Slot 1) – Connector 0 (RAID) – Enclosure – Physical Disks.
This will display all the Disk Drives in the right window.
Under the column Available RAID DISK Space, you should be able to determine if there is any unused disk....
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Configuring NAT on the Cisco PIX or ASA firewalls.
If you do not want to expose your server’s IP address to an external client you can use Network Address Tranalation (NAT) to hide it. For example if your servers IP address is 192.168.0.10 then you can publish it to an external client as 10.0.0.10. The reason you would do this is...
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TCP ports opened on firewall for Dell Remote Access Card – DRAC.
The Dell Remote Access Card (DRAC) communicates via the following ports:
22 Secure Shell, SSH
23 Telnet
80 http
443 https
161 SNMP
3668 Virtual Media Server
5900 Console Redirection
5901 Console Redirection
If you have a firewall in between you and the server, ensure that you have the above ports opened.
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Default Password for Dell Remote Access Card (DRAC)
The default userid for the Dell remote access card (DRAC) is root and the password is calvin.
The DRAC module makes the life of the server administrator easy, you can remotely power cycle the server as if you were standing next to it. You can do pretty much everything as if you were standing...
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How to list all physical hardrives installed on an AIX IBM RS/6000 server ?
When servicing unfamiliar AIX server one of the commands you will find very helpful is lspv. This will display all physical drives installed in the RS/6000 or pSeries server.
lspv – list physical volumes, this will display the list of drives installed.
hdisk0, hdisk1 etc.
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How to configure Cisco Pix 506E for remote access with AES 256 bit encryption
Here is how I configured a Cisco Pix 506E for remote access. This is the runnig config, I changed the ip and other info for security reasons.
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PIX Version 6.3(5)
interface ethernet0 auto
interface ethernet1 auto
nameif ethernet0 outside security0
nameif ethernet1 inside security100
!— Define the privilege mode password
enable password QveUAuiX encrypted
!— the telnet password
passwd QveUAui encrypted
!— Define the...
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Juniper (Netscreen) firewall vpn router
I was always a Cisco fan until I came across Netscreen firewall vpn routers. Netscreen was acquired by Juniper networks sometime ago. I was hired to work for a project for Sleep Country Canada, to implement a VPN infrastructure. I did not have a choice but learn how to configure the Netscreen firewall and...
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