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Have you run tcpdump with the iptables stopped to see what communications are in use.
If I recall right the protocol should be tcp for all ports.

With most languages you can normally resolve with single quotes.
"This is a line 'with quotations' inside the string."

You should leave the root/superuser account settings as the developers of the operating system intended unless you have very specific requirements that require you to change them.
You should not be...

If your still struggling you can get information on processes that are swapping by using: top, the VIRT heading shows how much swapping a process is doing.
Not sure how you would identify time...

As suggested by others why would you want to set limits for root? If you limit root you risk locking yourself out of the OS. Any applications running should run as a user created for the task, you...

using multipath -ll you should see an identifier of the storage type:

dm-0 HP,OPEN-V
dm-4 HP,HSV450

Sadly we only have HP storage where I am working.
So above HP is the vendor after the comma...

Hi George,
I don't have the facilities to test your issue, but a quick search suggests reading the CUPS man pages.

Selecting the Media Size, Type, and Source

The -o media=xyz option sets the...