Knowledge is Power
In this post, i will show you on how to change the Hostname on linux CentOS 6.3. I have tested this on RHEL 6, CentOS 5.5 and CentOS 6.2. and Centos 6.3. Reboot is required for both options (A) and...
Points of interest Q: Where are my yum files downladed while the install is in progress A: Temporary cache directory on CentOS – /var/cache/yum/In my case it was /var/cache/yum/x86_64/6 Source: http://forums.fedoraforum.org/showthread.php?t=256125 Create your own local yum repositories I’d like...
Anticipatory Based on two facts Disk seeks are really slow. Write operations can happen whenever, but there is always some process waiting for read operation. So anticipatory prioritize read operations over write. It anticipates synchronous read operations. Advantages Read requests...
Source: Governors CPU governors control exactly how the CPU scales between your “max” and “min” set frequencies. Most kernels have “ondemand” and “performance”. The availability brazilianwax – Similar to smartassv2 with more aggressive ramping, so more performance, less battery. conservative – Available...
System Config Network Tool Installation 6.x $ yum intall system-config-network-tui Manual setup Source: http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-networkscripts-interfaces.html 13.2. Interface Configuration Files Interface configuration files control the software interfaces for individual network devices. As the system boots, it uses these files to determine what...
What you’re looking for is more likely /etc/sysconfig/network-scripts/ifcfg-eth*…. it has been like this in CentOS 5.2 also. Ubuntu (deb) – /etc/network/interfacesCentos (rpm) – /etc/sysconfig/network-scripts/ifcfg-eth* CentOS 6.3 Q: From where does ifconfig shows eth0, eth1… , where are they defined? Listing of eth0, eth1… are in...
Source: http://christophermaier.name/blog/2010/09/01/host-only-networking-with-virtualbox I’ve been playing around with VirtualBox lately, and it’s pretty nifty. Initially I just used it to set up an Ubuntu machine so I could easily run GnuCash on my MacBook, but lately I’ve decided to start using it at work, too. I’ve...
Source: http://www.thegeekstuff.com/2009/03/15-practical-linux-find-command-examples/ Apart from the basic operation of looking for files under a directory structure, you can also perform several practical operations using find command that will make your command line journey easy.In this article, let us review 15 practical...
Query Hi I installed Apache on Ubuntu in a Virtualbox. When I go into the guest and load up Firefox I can see that Apache is working fine when I browse to https://www.robin.eu.org. I would like to access this same page...
Source: http://www.ducea.com/2006/08/07/how-to-change-the-hostname-of-a-linux-system/ Normally we will set the hostname of a system during the installation process. Many peoples don’t care about this, and don’t change the hostname even if for example this was set to something really stupid by the datacenter that installed the...
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