• VMware

    Learn about VMware virtualization for its products like vsphere ESX and ESXi, vCenter Server, VMware View, VMware P2V and many more

  • Linux

    Step by step configuration tutorials for many of the Linux services like DNS, DHCP, FTP, Samba4 etc including many tips and tricks in Red Hat Linux.

  • Database

    Learn installation and configuration of databases like Oracle, My SQL, Postgresql, etc including many other related tutorials in Linux.

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    Content


    2017

    August


    July


    June


    May


    April


    2016

    September


    April



    2014


    October


    September

    How to do a case sensitive search inside vi editor in Linux
    How does a successful or failed login process works in Linux
    How to find all the process accessing a file in Linux
    How to exclude multiple directories from du command in Linux
    How to configure autofs in Linux and what are its advantages?
    How to resize software raid partition in Linux
    How to configure Software RAID 1 mirroring in Linux
    How to prevent a command from getting stored in history in Linux

    June

    Comparison and Difference between vSphere 5.1 and 5.5
    How to run any script or cron job in Linux for every second
    Linux General and Permission (QUIZ)
    Oracle Database (QUIZ)
    Linux User and Accounts Management (QUIZ)
    Installing Linux and Linux Kernel (QUIZ)
    How to keep a track of all the commands run by any user in Linux
    How do you check Linux machine is Physical or Virtual remotely?
    df shows 100% full partition even when there is space on the disk
    How to configure passwordless sudo for a user in Linux
    Understanding Load Average in Linux and when to be worried about it?
    How to run a process in background or bring to foreground in Linux
    How to configure logrotate for a new log file in Red Hat Linux
    How to secure boot loader (grub menu) with password in RHEL 6
    Disk Attachment Technology FC vs SAS vs iSCSI

    May


    April

    Overview of services used in Red Hat Cluster
    How to find/view all the members of a group in Linux
    10 practical examples to use USERADD command in linux
    What is the difference/comparison between Unix and Linux ?
    How to fix "E575: viminfo: Illegal starting char in line"
    What are the maximum and minimum limits for RHEL 4 vs 5 vs 6 ?
    RAID levels 0, 1, 2, 3, 4, 5, 6, 0+1, 1+0 features explained in detail
    VMware Workstation throws internal error when powering on VM
    10 Practical Examples for using FIND Command in Linux

    March

    How to rename Logical Volume and Volume Group in Linux
    Step by Step Linux Boot Process Explained In Detail
    How to remove logical and physical volume from Volume Group in Linux
    What is the difference between ext3 and ext4 filesystem in Linux ?
    How to change default login shell permanently in linux
    How to install libraries manually in Linux
    How to extend/resize Logical Volume and Volume Group in Linux
    How to generate ER diagram using Oracle SQL developer
    What is GRUB Boot Loader ?
    How to configure BIND-9.8 DNS server in Red Hat Linux 6
    Existing lock /var/run/yum.pid: another copy is running
    How to configure a caching only bind DNS server in Red Hat Linux
    Iptables rules to allow/block ssh incoming/outgoing connection in Linux
    Iptables rules to block/allow icmp ping request in Linux
    How to configure Private Network in VMware Workstation
    10 examples to help you understand top command usage in Unix/Linux
    Script to take backup of any critical directory in Unix/Linux

    February

    Configure Red Hat Cluster using VMware, Quorum Disk, GFS2, Openfiler
    Tutorial for Monitoring Tools SAR and KSAR with examples in Linux
    How to configure Samba 4 Secondary Domain Controller
    RHEL: Kernel will not boot, system freeze at 'starting udev'
    How to secure Apache web server in Linux using password (.htaccess)
    How to register Red Hat Linux with RHN (Red Hat Network )
    Red hat Enterprise Linux 5.5 Installation Guide (Screenshots)
    15 tips to enhance security of your Linux machine
    Why is Linux considered more safer than windows or any other OS ?
    What is the difference between "su" and "su -" in Linux?
    What is kernel-PAE in Linux?
    What is swappiness and how do we change its value?
    How to log iptables messages in different log file
    What are the s and k scripts in the etc rcx.d directories
    How to check all the currently running services in Linux
    How to auto start service after reboot in Linux
    What is virtual memory, paging and swap space?

    January

    Interview Questions on Linux Servers with Answers
    What is the difference between DNS A record and CNAME record?
    Tutorial for SYSLOG with Examples in Red Hat Linux
    General Linux Interview Questions with Answers
    Interview Questions on Linux Permissions with Answers
    Interview Questions on Linux Networking
    Interview Questions on Linux User management with Answers
    Interview Questions on Linux Filesystems with Answers
    What is a Kernel in Linux?
    How does a DNS query works when you type a URL on your browser?
    How to create password less ssh connection for multiple non-root users
    How to create user without useradd command in Linux
    How to unlink/delete a symbolic in Linux
    How to give normal user root privileges using sudo in Linux/Unix
    How to do Ethernet/NIC bonding/teaming in Red Hat Linux
    How to install/uninstall/upgrade rpm package with/without dependencies



    June


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    January

    2012


    December


    November


    October


    September

    August