How to enable SNMPv3 on Linux (Ubuntu or Debian)

SNMPv3 is an important step forward with respect to improved security. SNMPv1 and 2 send collected data unencrypted, as readable text, over the network. The information on getting SNMPv3 up and running on Linux is somewhat fragmented on the Internet, I decided to...

Unix/Linux command reference

File Commands ls – directory listing ls -al – formatted listing with hidden files cd dir – change directory to dir cd – change to home pwd – show current directory mkdir dir – create a directory dir rm file – delete file rm -r dir – delete directory dir rm -f...

How to add a Swap File in Linux

In Linux, as in most other Unix-like operating systems, it is common to use a whole partition of a hard disk for swapping. However, with the 2.6 Linux kernel, swap files are just as fast as swap partitions, although I recommend using a swap partition. The...

How to install XenCenter on Linux

Citrix XenCenter is client software with GUI for managing XenServer/XCP hosts remotely. Using XenCenter, you can create virtual machines (VMs), access VM consoles, and configure VM storage and networking. As of this writing, Citrix only offers a Windows native client...

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