How to clean yum cache

How to clean yum cache YUM stands for Yellowdog Updater Modified and is used to install and maintain packages in Linux.  By default, the packages downloaded with yum are kept in cache.  If we need to clean these, the following options are available: yum clean packages yum clean headers yum clean all yum clean packages […]

Enable SSH access on VMWare ESXi 5.5

Enable SSH access on VMWare ESXi 5.5 SSH access on ESXi 5.5 is disabled by default.  To enable SSH access, press F2 key for System Customization, the following screen is displayed.  Click on Troubleshooting options. In Troubleshooting Mode Options, the first option available is Enable ESXi Shell.  ESXi shell is used for some maintenance that […]

How to install VMware vSphere Hypervisor 5.5

How to install VMware vSphere Hypervisor 5.5 vSphere Hypervisor 5.5 is available for download.  It can be downloaded from: https://my.vmware.com/web/vmware/info/slug/datacenter_cloud_infrastructure/vmware_vsphere_hypervisor_esxi/5_5 After you have downloaded the hypervisor, follow the instructions give below to install it. # Burn the downloaded file in a CD/DVD. # Insert the CD and change bios settings towards boot from CD/DVD. # […]

Add swap file in CentOS 6.4

Add swap file in CentOS 6.4 Swapon command with option -s, displays the current swap space in KB. # swapon -s If a file with the name /extraswap already exists, check it with ‘ls’ command and delete it using ‘rm’ command. # ls /extraswap #  rm -rf /extraswap The following dd command example creates a […]

Install Apache 2.4.4 in CentOS 6.4

Install Apache 2.4.4 in CentOS 6.4 Apache HTTP server is an open source and most popular web server for Linux distributions as well as for Windows. The website is: http://httpd.apache.org/ CentOS 6.4 comes with Apache version 2.2.15-28.  To install Apache 2.2.15 in CentOS 6.4, we use yum as follows: # yum install httpd But, if we […]

Install perl 5.18.0 in Centos 6.4

Install perl 5.18.0 in Centos 6.4 To install Perl in CentOS 6.4, we need to take the following steps: Step 1: Change directory to /usr/local/src, as shown in Figure-1.                                                     […]

Install apache 2.2.15 in CentOS 6.4

Install apache 2.2.15 in CentOS 6.4 Apache HTTP server is an open source and most popular web server for Linux distributions as well as for Windows. The website is: http://httpd.apache.org/ CentOS 6.4 comes with Apache version 2.2.15-28.  To install Apache 2.2.15 in CentOS 6.4, we need to do the following: If yum repository is configured […]

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