If you want to create a screenshot of your HP-UX system and don't have GIMP installed, you can easily create a X dump using the xwd commandos. This X dump can be converted into a JPG file (or some other picture format) on another machine using XnView.

After executing the xwd command simply click on the window for the …

Use the following commands to completely disable IPv6 under RHEL / CentOS up to version 6:

1# echo "options ipv6 disable=1" > /etc/modprobe.d/ipv6.conf
2# chkconfig ip6tables off
3# shutdown -r now

A module parameter prohibits IPv6 functionality after the next reboot. If this value wasn't set, some services …

txqueuelen is one of many configurable networking parameters. This paremeter defines the queue size in which the kernel stores data before it is sent over the network. By default this parameter has a value of 1000 - depending on your application you might want to increase this value using ifconfig or ip:

1# ifconfig …

Every VMware administration knows the following issue - the cluster needs to patched and so the particular nodes need to be rebooted. Fortunately this doesn't bother the users working on the farm becuase the virtual machines can be moved "online" between the cluster nodes.

There might be a little show stopper …

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  decoding="async"
  alt="OpenVPN-Profile"
  
    class="image_figure image_internal image_unprocessed"
    src="https://cstan.io/images/2013/05/1-Profile.jpg"
  
  
/>

</picture>

OpenVPN …

On RHEL or CentOS 5.3 it is possible that a noticed default gateway is ignored. In this case the routing table doesn't contain any appropriate entry...

1# netstat -r|grep default

...even if the gateway was noticed both in the main network configuration...

1# cat /etc/sysconfig/network
2...
3GATEWAY=10.24.36.1

...and …