How to change hostname or FQDN in CentOS and Redhat In this tutorial we will learn about,how to change Hostname or FQDN in CentOS and Red Hat. The method is applicable to all Red Hat based operating system. I have described about difference between hostname and FQDN which you can read from this post (The … Read more
Mostly I use firefox and few days back I was working on RSS feed burner of my this Blog. I tested this blog in Google Chrome and surprised to see an Errr: “This XML file does not appear to have any style information associated with it” I checked my XML file and it looks fine. … Read more
The post will explain, how to find cpu processor supporting 64 bit or 32 bit. In modern time, most of application are released with 64 bit compatibility only. Recently Chromium Dev team has announced in google forum about no support to 32 bit version in coming years. You should also know that 64 Bit Operating … Read more
rsync all files,hidden files,symlinks,hardlinks to remotes Linux Server I have used these flags -ravpzHogt along with rsync command many times in server migration. And I always get good results. Key features** (1) Date Time stamp of files and folder remain same as you find in source server. (2) Hidden files or directory recursively transfer to … Read more
Introduction: This post will explain about the /dev/shm and you will also know how to mount /dev/shm in linux system. /dev/shm is nothing but implementation of traditional shared memory concept. It is an efficient means of passing data between programs. One program will create a memory portion, which other processes (if permitted) can access. This … Read more
Installing Nagios-3.4 in CentOS 6.3 This is how to install nagios 3.4 tutorial for installing nagios-3.4 in CentOS 6.3 in a few steps. rpm -ivh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-7.noarch.rpm yum install nagios nagios-devel nagios-plugins* gd gd-devel httpd php gcc glibc glibc-common Bydefualt on doing yum install nagios, in cgi.cfg file, authorized user name nagiosadmin is mentioned and for … Read more