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Linux Feed

Linux Support, Oracle Linux, Red Hat Enterprise Linux, SUSE, Oracle Unbreakable Enterprise Kernel and the Oracle Unbreakable Linux Support Program (ULN) resources, news, and support articles.

Google Fit: Google launches health and fitness tracking app

With the view to help you improve your fitness, Google has launched a new fitness app.

Nagios – Check Ping /bin/ping Unknown status problem

Recently while I am trying to setup Nagios on Ubuntu 14.04 OS I got the error saying /bin/ping Unknown status.
After debugging a wile I got to know that, this issue is because of permissions for /bin/ping script.
To resolve this issue just run following command ( use root or sudo):
$ chmod u+s /bin/ping
After running above command /bin/ping script permissions look like below:
$ ls -l /bin/ping
-rwsr-xr-x 1 root root 44168 Mar 15  2014 /bin/ping*

A new app that helps you water your lawn

http://ibnlive.in.com/news/a-new-app-that-helps-you-water-your-lawn/509072-11.html

Microsoft's Bing now lets you search using emoji ☺

http://ibnlive.in.com/news/microsofts-bing-now-lets-you-search-using-emoji-/509015-11.htmlWith the increasing popularity of mobile text communication, emoji usage is getting more mainstre

Common Administrative Commands for RHEL and CentOS 5,6,7

This Common Administrative Commands Poster from Red Hat for RHEL and CentOS 5,6,7  is something l really appreciate as a system administrator. Read it for yourself and you will see what it meant.

Ubuntu 14.04 – ping icmp open socket operation not permitted

Recently when I am trying to do ping got following exception:
$ ping host.example.com
Output:
ping: icmp open socket: Operation not permitted
Reason for the issue:
On Linux (and other flavours) you have to be root to open up a socket. The SUID bit must be set in the ping binary to allow it to open sockets. This issue is common on jailing users as most disto’s ping binary will have this set by default.
Set the SUID bit:

RHEV 3.4 – Explanation of Settings in the New Data Center and Edit Data Center Windows

The table below describes the settings of a data center as displayed in the New Data Center and Edit Data Center windows. Invalid entries are outlined in orange when you click OK, prohibiting the changes being accepted. In addition, field prompts indicate the expected values or range of values.
Figure 1: RHEVM Portal -

RHEL 5,6,7 Common Administrative Commands

Taken from RedHat Portal, I found the Guide very useful.

Data OnTap 7-Mode to Cluster-Mode Command Map

If you have been using Data OnTap 7-Mode but if you need the equivalent for Cluster-Mode. Do look at this pdf for the mapping. You will find it very useful.
PDF References:

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