CloudGyaan

Procedure to Register System to Redhat Network ( RHN ) 1)  Run command “ Up2date ”(redhat 4) - redhat 5- use the commands “ rhn_register ” 2)   If the system is not registered before, it give some initial intro & ask to read  & agree to disclaimer. Click Next . 3) Enter appropriate hostname for identification. It should be hostname-server serialno . 4) Give package details to register to RHN so that system would automatically notified when new updates arrive. 5) Clicking Next will send all the details to RHN & will register the system. 6) Confirmation dialogue after registering.  7)       Run “up2date –u”( redhat 4) redhat 5 – use the commands yum update Eg. It would automatically update the system. Answer relevant questions if asked by up2date agent. [root@techgyaanrhn~]# yum update Fetching Obsoletes list for channel: rhel-i386-es-4... ######################################## Fetching rpm headers... ########################...

Ctrl+A = Select all ( In Documents, Firefox, Nautilus, etc, not Terminal ) Ctrl+C = Copy ( In Documents, Firefox, Nautilus, etc, not Terminal ) Ctrl+V = Paste ( In Documents, Firefox, Nautilus, etc, not Terminal ) F9 = Toggle Sidebar F2 = Rename Ctrl+Shift+N = Create new folder   Ctrl+N = New (Create a new document, not in terminal) Ctrl+O = Open (Open a document, not in terminal) Ctrl+S = Save (Save the current document, not in terminal) Ctrl+P = Print (Print the current document, not in terminal) Ctrl+E = Send To... (Send the current document to an email recipient or remote location, not in terminal) Ctrl+W = Close (Close the current document, not in terminal) Ctrl+Q = Quit (Quit the application, not in terminal) Ctrl+H = Show hidden files Ctrl+F = File browser Ctrl+T = Move to trash (dangerous) Ctrl+L = Open location (folders, files, URLs, etc) Ctrl+Alt+F1 = Switch to the first virtual terminal Ctrl+Alt+F2(F3)(F4)(F5)(F6) = Select the different virtual terminals Ctrl+Alt+F7 = Sw...

Yesterday I came across an issue with the server being unable to access it switched to the  maintenance mode with some a strange message; “ How to fix Solaris "/lib/svc/method/net-physical "network settings is misconfigured”. Dec  9 10:05:59 techgyaansvr svc.startd[7]: [ID 652011 daemon.warning] svc:/network/physical:default: Method "/lib/svc/method/net-physical" failed with exit status 96. Dec  9 10:05:59 techgyaansvr svc.startd[7]: [ID 748625 daemon.error] network/physical:default misconfigured: transitioned to maintenance (see 'svcs -xv' for details) Actual message is that the IP address already exists, but is not configured. We need to clear the network & flush the settings to make it accessible Resolution: Check the service which is disabled #svcs –xv [this command will show you the services which is disabled by system] Take the network interface offline #ifconfig eri0 down [this command will bring the interface down] #ifconfig eri0 unplumb [this co...