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CentOS 6.4 Step by Step Installation Guide with Screenshots

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Community ENTerprise Operating System aka CentOS Linux 6.4 was released on 15 March 2013. This post will guide you step by step installation of recently released CentOS 6.4 with print screens..

CentOS 6.4 Features

Below are CentOS 6.4 Features added and removed:

* Added support for Microsoft Hyper-V drivers to allow CentOS to be more effective when installed on Microsoft Hyper-V server.
* Upgraded samba4 libraries (samba4-libs) to latest version to improve interoperability with AD (Active Directory) domains.
* If you were upgrading from earlier CentOS 6.3 to latest CentOS 6.4 version and you have Samba package in use, make sure you must remove it to avoid conflicts during upgrade process.
* Since CentOS 6.3 matahari is deprecated. But now CentOS 6.4 adds one more last update that will remove matahari completely. To make sure all matahari files are removed run ‘yum remove matahari*‘ after upgrading to 6.4.
* iasl, dev86 and qemu-quest-agent tools have been added for i386 architecture only.

Those who looking to upgrade from previous CentOS 6.x to CentOS 6.4, they can go through our earlier article that shows how to upgrading from CentOS 6.x to CentOS 6.4 by following few simple steps.

If you’re looking for fresh CentOS 6.4 installation, then download the .iso images from the links provided below and follow the installation instructions with screenshots mentioned below.

Direct Download CentOS 6.4 DVD ISO Images

  1. CentOS-6.4-i386-bin-DVD1.iso
  2. CentOS-6.4-i386-bin-DVD2.iso
  1. CentOS-6.4-x86_64-bin-DVD1.iso
  2. CentOS-6.4-x86_64-bin-DVD2.iso

Torrent Download CentOS 6.4 DVD ISO Images

  1. CentOS-6.4-i386-bin-DVD1to2.torrent
  2. CentOS-6.4-x86_64-bin-DVD1to2.torrent

1. Insert or boot with installation media, ‘Select Install or upgrade existing system‘ options.

Boot CentOS 6.4 Installation Media

Boot CentOS 6.4 Installation Media

2. You may choose skip installation media check.

Skip Media Test

Skip CentOS 6.4 Media Test

3. CentOS welcome Screen, press Next.

CentOS 6.4 Welcome Screen

CentOS 6.4 Welcome Screen

4. Select Language during installation.

Select CentOS Language

Select CentOS 6.4 Language

5. Keyboard layout selection.

Select Keyboard

Select Keyboard

6. Select Basic Storage Device if your hard drive is attached locally else select Specialized storage devices. We’ll be selecting Basic Storage device as my Storage device is locally attached.

Basic Storage Device

Select Basic Storage Device

7. Below screen print shows Advanced Storage Options in case of Specialized storage devices selection.

Advanced Storage Options

Advanced Storage Options

8. Storage Device Warning, you can click Yes, discard any data to continue.

Storage Device Warning

Storage Device Warning

9. Give a Hostname to system. You may click on Configure Network button if you want to configure network settings during installation. Network may configure manually later on also.

Set Hostname

Set Hostname

10. Below screen print shows Configure Network Settings in case of Configure Network selection.

CentOS Network Configuration

CentOS Network Configuration

11. Select nearest city in your Time Zone.

Set Time Zone

Set Time Zone

12. Set root password.

Set Root Password

Set Root Password

13. Select Replace Existing Linux Systems, Click on Review and Modify partitioning layout if you want to verify or edit filesystem partitions manually.

Select Type Of Installation

Select Type Of Installation

14. Verify Filesystem partitions, once satisfied Click on Next.

Select A Device

Select A Device

15. Format Warnings: Click on Next which will format Filesystems.

Format Device

Format Device

16. Click on Write changes to disk.

Write changes to disk.

Write changes to disk.

17. Formatting Filesystem.

Formatting Filesystem.

Formatting Filesystem.

18. Boot loader installation.

Install Boot Loader

Install Boot Loader

19. We recommend to set Boot loader password in case of you system is accessing multiple users for security reason. Here, select check-box Use a boot loader password, set password and click on Ok

Set Boot Loader Password

Set Boot Loader Password

20. Select the applications you want to install and may choose Customize now option to add / remove repositories and click on Next

Software Selection

Software Selection

21. Customize packages / applications. On done click on Next

Customize Software Packages

Customize Software Packages

22. Installation process started. Relax… This may take Few Minutes.

CentOS Installation Process

CentOS 6.4 Installation Process

23. Installation still in process…

CentOS Installation Continues

CentOS 6.4 Installation Continues

24. Installation Completed. Please remove installation media and Reboot system.

CentOS Installation Completed

CentOS 6.4 Installation Completed

25. Restarting CentOS 6.4 system.

Restarting CentOS 6.4

Restarting CentOS 6.4

26. CentOS 6.4 Login Screen.

CentOS 6.4 Login Screen

CentOS 6.4 Login Screen

Ravi Saive

Owner at TecMint.com
Simple Word a Computer Geek and Linux Guru who loves to share tricks and tips on Internet. Most Of My Servers runs on Open Source Platform called Linux.

Your name can also be listed here. Work as a Paid freelancer/writer at TecMint.
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175 Responses

  1. jo says:

    i have installed cent 6.4 ..but im not getting GUI mode …

    i have changed “”vim /etc/inittab “” run level 3 to 5 but still im getting CLI mode

    • Ravi Saive says:

      increase RAM…

    • namdev says:

      hello dude,

      when installation of cent os you need to select gui suppot package from list.

    • Satish says:

      # yum groupinstall basic-desktop desktop-platform x11 fonts
      #yum -y groupinstall “Desktop” “Desktop Platform” “X Window System” “Fonts”
      # yum -y groupinstall “Graphical Administration Tools”
      # yum -y groupinstall “Internet Browser”
      # yum -y groupinstall “General Purpose Desktop”
      # yum -y groupinstall “Office Suite and Productivity”yum -y groupinstall “Office
      Suite and Productivity”

      install this packages after that you change /etc/inittab file and restart server desktop will com

  2. Suhas says:

    Hi Ravi,
    Nice post, much needed!!
    Just one question – can I copy both iso on a USB drive and then install using that or I have to make the USB bootable with some utility like UNetBootIn.


  3. moa says:

    in step number 20, what is the different between basic server, virtual host, web server and the others options?…

    what are the specifications and description for each of these???

    good post!!

  4. Nasir says:

    I have just bought a Dell CloudEdge C1100 .
    I am trying to run Openstack. I was using CentOS 6.4. But I had an issue with the OS complaining about it could not find the ISO9660 media etc. and aborted after setting up the partitions and LVM. So I went back to 6.2 and I am upgrading this way. The question is once I have got the OS to a State I like what’s a good backup stategy Clonezilla or good ol’ tar and dump?

  5. Komal says:

    during initial installation ,will install need to download system files from internet? , or does everything for installation come with the ISO?
    (my English is not very good)
    thank you
    please reply soon

  6. Skroof says:

    Thanks Ravi, very useful. This is my first time installing this, After booting from cd it gave me an option on the desktop saying “Install to Harddrive” . This is the one I am installing.

  7. Amo says:

    Hi Ravi, when I install centos I don’t get any option for desktop or anything, it just goees to install after partition. I’m just starting in linux

    • Ravi Saive says:

      you mean system starting in command line mode? If yes, install X windows managers like GNOME.

      # yum -y groupinstall "Desktop" "Desktop Platform" "X Window System" "Fonts"

      If you like to install KDE, then use:

      # yum -y groupinstall kde-desktop
      • VINAYAK says:

        how do install graphic on centOS through, if you know well about this reply me soon…..i am unable to do this function……

  8. Amo says:

    Thanks Ravi.

  9. Jagannathan says:

    I am trying to install centos 6.4 x86_64 in a intel corei5 (lenova Think Centre) Installation is OK for Basic server installation and final reboot ends in log in screen. However when I choose X window system for GUI interface, the final reboot says “error 1962: no operating system found”. In the same machine I have installed i386 and used it in GUI mode. Can you help me to solve this

    • Jack says:

      Hi Jagannathan,

      I am facing this same issue for Cent OS 6.5 on a Lenovo machine. Could you guide me in the right path?


  10. Amit says:

    Thanks. But I have a problem i am confuse of you are Upload Two ISO image First is “CentOS-6.4-i386-bin-DVD1″ and Second is “CentOS-6.4-i386-bin-DVD2″ . Which one i Download for install CentOS-6.4-i386-bin…….

    Please Tell me I am waiting for your reply

    • Ravi Saive says:

      Download first DVD is enough for you to install CentOS 6.4, the second is optional, no need of it.

  11. Gavin says:

    Hi there Ravi

    I’ve installed CentOS 6.4 successfully…now with the boot up it’s requesting an login. What am I suppose to put there…? I’ve tried adding the host name or the boot loader but it’s a no go

  12. Harish Raut says:

    Hi Ravi,

    I have installed centos 5.9, I want to install PowerDNS on it.
    So can you tell me the proper steps for that?
    I really need it as soon as possible.

  13. Vinay Surve says:

    Hi Ravi,
    Thanks. Very useful.
    I have question as I am new to Cent OS (I am Ubuntu user). Is both ISOs required for installation ?

  14. Bill_dauterive says:

    My problem is that I have been trying to install Centos 6.4 from the i386 bin-Dvd’s and wanted to do a “create custom layout” in terms of setting up partitions.

    Unfortunately after setting up the boot partition as the mount point and forcing it to be a primary partition I keep getting error messages which tell me I have to set up a root partition before I can proceed.

  15. William says:

    Thanks for your instructions. I am a CentOS newbie. Followed your instructions using Live CD; used text mode. Install seemed to go okay. Pretty sure that I did not include any GUI packages (on purpose; I just wanted to maintain the server using command line). Anyway, I created ifcfg-eth0 to use DHCP. But whenever my ethernet cable is plugged in (and this cable and ethernet jack work fine with other computers), my screen goes black within 5 minutes; cannot even restart with Ctl-Alt-Del. And before the screen freezes, I cannot ping other machines on my LAN (“network is unreachable”); but pinging localhost works fine. My machine’s Ethernet controller, as listed by the command lspci, is a Broadcom NetXtreme BCM5755 Gigabit Ethernet PCI Express (rev 02), vendorID:deviceID = 14e4:167b.

    I don’t know how to troubleshoot this problem; any ideas?

  16. LaMar Walker says:

    Would I use all of these things to set up an CentOS PXE Server? I glad you have a great site.

  17. LaMar Walker says:

    I just done a fresh install of CentOS 6.4 Server, with an KDE Desktop, on a Dell Optiplex 755 with 2GB DDR2, 1TB Hard Drive & nVida Video. After reboot I get the Command Line only & when I go to login I’m getting an constant “login incorrect” I’ve double checked Username & Password still won’t work, any suggestions?

    • Ravi Saive says:

      Might you’ve selected minimal packages during installation, that’s the reason you are not getting GUI mode. About login, and don’t know, but you can reset the password by following article.

      Reset Forgotten Password

      • LaMar Walker says:

        Thank you, I found I had the username wrong was using non-administrator instead of “root” for login, then my password. New issue is I can’t get online tried pinging google.com, got nothing, but this error “ping: unknown host google.com. Not sure how to fix, should I be reading something since I’m trying to switch from windows to make an PXE Server using CentOS 6.4? Like the Command Lines I should be using.

  18. Bourgeon says:

    Hello Ravi

    I have installed everithing and it works. But during de boot process I get an error (after leaving the splach screen with the escape key) appearing in red in the screen(I guess a service wich can’t start). But as soon as the graphical service start it’s not possible anymore to read the message. Of course I can readt it in the log files, but have you a trick to return to the boot screen directly and see it ?


  19. Jaideep says:

    Is there any way to install from network assuming there is no linux machine ?
    That means I want to install my first Linux machine from network.

  20. rishi says:

    sir not seeing gui desktop :( what shoud i do i m new in this …

    • Ravi Saive says:

      Type “startx” or “init 5″ from the command line. If you get any error post here.

      • rishi says:

        dear sir i choosed web server in centos 6.3 then i select packege desktop and desktop platform ..then after reboot .and after complite loading window gui will now show .i did wait 3 hr ..and when i dont use desktop platform after restart show login ..and then i will install from yum groupinstall after then when i try to install desktop platform he show me 2 error about red hat .and gui will not open :( ..and i did startx he gave error

        [dix] could not init font path element catalouge:/etc/x11/fontpath.d, removeing from list!

        [dix] could not init font path element built-ins ,removing from list!

        error is :—- fatal server error: could not open default font ‘fixed;(EE)
        please consult the centos support ;

        (EE) please also check the log file at “/var/log/xorg.0.log” for addition information
        server terminated with error (1). closeing log file
        giving up
        xinit:no such file or directory (errno 2):unable to connect to Xserver
        xinit:no such process(errno 3):server error,

        these error showing me .. and i need some suggection if u dont mind ..

        • rishi says:

          yum -y groupinstall “Desktop-Platform”

          error- transaction check error:
          file /usr/sbin/redhat_lsb_triggger.i686 from install of rehat-lsb-core-4.0.7.e16.centos.i686 conflicts with file from pakage redhat-lsb-4.0-3.e16.centos.i686

          file/usr/share/man/man1/lsb_release.1gz.from install of redhat

          error summary

      • rishi says:

        dear sir i did post error here whats happend ..

      • thyein says:

        I have an error ‘command not found’

  21. inder says:

    hi sir

    can we install terminal services on centos 6.4 if yes then how .
    please revert about this

  22. Mayur says:

    ravi sir

    i have installed Centos 6.4 add packages for making a server also i have uploaded website and also i have ran the website in LAN….i want the website to access from internet and also i have a static ip from my ISP. i want to also add i have opened the port 80 in centos but till i m not able to access my website from internet please help me it will highly regarded

    • Ravi Saive says:

      There are lots of factors involves like if you already setup website and its accessible from LAN. May I know here how you accessing your website? means using IP address or localhost from the browser. If port 80 is opened, can you able to telnet it locally or remotely? Is your domain/website resolved to your static IP address? Check all these things and let me know.

      • Mayur says:

        yes sir i can run using my localhost ip and i can view my website in lan. using my local ip

        i have opened the port 80 i m can local telnet it ,i use putty for installing packages for diffrent computer in lan

        but still no sucess

        if u can mail me at stcragu@gmail.com or u can send me ur number i will give u a call so that i can sort this problem

  23. Ravi says:

    I have successfully installed centos 6.4 desktop on virtual box but missing ‘System tools’ from Application menu. Any idea how I can add this?

  24. alsabagh says:

    How can i install cent-os by commands in terminal??
    waiting for help

  25. Jagan says:

    Hi Sir,

    I have installed CentOS 6.4 in vmware but i didnt get GUI mode.. what should i do …i use startx and init 5 but no luck..below is the output..

    -bash: startx: command not found

    init 5

    Retrigger failed udev events [OK]


    • Ravi Saive says:

      Do you connected to internet? if yes download yum package for your distribution and install it using rpm -ivh command, and then install X windows using YUM package manager.

      • Jagan says:

        i connected internet and downloaded yum packages and installed it..then what is the next command.. to get GUI mode.. Thanks.

        • Ravi Saive says:

          Run init 5 on the prompt to get GUI mode.

          • Jagan says:

            Hi Ravi,

            I ran init 5 on command mode but i got below output…

            [root@HadoopCentOS ~]# init 5

            Retrigger failed udev events [OK]

            Please advice


          • Ravi Saive says:

            To fix this error, you need have X Windows desktop environment like Gnome or KDE (I am guessing you want a KDE). Run this command.

            # yum grouplist

            Then find out what X groups available. For example, you want to install KDE, type the following groups.

            # yum groupinstall "X Window System" "KDE (K Desktop Environment)"
          • Jagan says:

            Hi Ravi,

            Sorry again.. i am getting below error . i created repo for packages and yum command also working but i am getting below erro

            [root@HadoopCentOS ~]# yum grouplist
            Error: No group data available for configured repositories

            i googled but no luck..what could be the reason ..thanks


  26. Jagan says:

    and even Yum command also not found..

  27. Usman says:

    Hi, Ravi I face a problem after installation how can I connect my centos with internet. As per my knowledge I check all network settings after that when I ping its successfully ping but when I ping http://www.google.com or any other URL there is no response. Kindly please help me in detail. I am waiting

  28. Sachin Nishad says:

    Hi Ravi, I have installed the CentOS 6.4 successfully, but it has not taken LAN drivers. Could you please help me for the same? My Laptop is Lenovo G580.

  29. Sai says:

    Hi Ravi,
    I have installed centos 4 on my local VM but unable to connect internet..
    ping http://www.google.com
    PING http://www.google.com ( 56(84) bytes of data.
    8 packets transmitted, 0 received, 100% packet loss, time 7320ms

    and unable to download any files through wget.. i keep on getting below..could you please check and let me know what could be the reason..
    wget https://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
    Resolving packages.sw.be… terminated

    Sai charan

  30. Sai says:

    ; generated by /sbin/dhclient-script
    search localdomain

  31. Sai says:

    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface U 0 0 0 eth0 U 1002 0 0 eth0 UG 0 0 0 eth0

  32. Sai says:


  33. Sai says:

    i changed with but no luck… Thank you..

  34. G. J. Hicks says:

    Thanks for the general guidelines for centos 6.4 instal. I followed your step-by-step sequence which was fine until Step 24 – remove media and reboot. At the reboot point I got–

    error: unknown filesystem
    grub: rescue>

    I used CentOS-6.4-x86_64-bin-DVD1.iso onto a dual core AMD Athlon 6000+ w/3GB ram on an ASUS M3N78pro M’board.
    any thoughts?

  35. vinoth says:

    hi ravi…
    i have a 64 bit rhel server iso image . may i know how can i install it in virtual box. which type of file system the vm will support.

  36. Sachin says:

    Nice one……:)
    thank you very much…:)

  37. Umesh says:

    Hi Ravi,
    can centos be configured as cache Engine / server? if ‘yes’ where can i get step by step procedure for it.

  38. Srinivas M says:

    Hi Ravi,
    I am a new user of CentOS 6.4. I installed it but unable to connect to internet using ehternet or wifi. What could be done. I am using Dell Inspiron 1464 notebook with 6 Gigs RAM. Please help.

    Thanks in advance…

    • Ravi Saive says:

      Is internet connected to system? If yes, you need to add a DNS in /etc/resolv.conf file. For example, you should add.


      Replace with your DNS IP.

  39. ivan says:

    Hi Ravi,

    thank you for this installation guide.
    I’ve installed CentOS using DVD1, but a lot of packages are missing.
    You have said that DVD2 is optional, but maybe you can tell me how to use it…
    Thank you in advance!

    Best regards,

  40. Srinivas M says:

    Hi Ravi!
    Thanks for responding. I am using BSNL EVDO data card, which connected to Dlink DIR506L wifi rounter. I am using a Dell inspiron 1464 notebook, which is having Broadcom wifi. I tries all that I know. I don’t know even if it is detecting my notebook wifi. Linux is too tough man. Please please help me to set up my internet using wired or wifi.

    • Ravi Saive says:

      Ok, I will help you, out send me team viewer details to my email id using contact us link.

      • Pat carroll says:

        HI Ravi,

        my Centos 6.3 server is not connected to internet, is there a way to use YUM, or download ll the YUM package, so i can point my yum repository to a local folder?

        it’s a bit of a pain for me to get my functionality on my server because of this.



  41. Apu says:

    Hi Ravi, during installation of CentOS 6.4, up to screen shot 25, every thing was fine. But after successful installation, login screen was not displayed —- only black screen with white bar at the bottom.
    what is the exact problem and how to fix it ?

  42. Anbarasu says:

    We have installed the centOS6.4 Successfully. But we are unable to access the GUI mode. We also tried to access using the command line. startx and init 5, the Error we receid as retrigger failed u dev events. Please help me out resolve this issue.

  43. Anbarasu says:

    during installation i choose basic server

  44. Layth says:

    I would to make a server installation so I can install the most services and would to know how can I choose these services.
    I even have problem to start the X.
    any Suggestions.

  45. Hariharan says:


    I would to make IPA Server in Centos 6.4 and IPA Client installation (Fedora)

    if any suggestion pls send to mail id.

  46. lester says:

    after installing CentOS 6.4 I’ve try to use yum to install some other application like mysql but it gives me an error.

    14: PYCURL ERROR 6.. what should i do to use yum??

    need some help.

  47. lester says:

    sir how can i set up a SMTP on my CentOS server??
    what should i to first?
    what should i install first? i will use squirrel mail for my SMTP.


  48. lester says:

    sir again my yum is not working after i try to install epel repository to install squirrelmail… can you help me to fix it to be able to install squirrelmail

    im following this guide and when i come to installing epel and squirrel mail it failed


    please help me… thank you sir…

  49. Harry Oberoi says:


    I am facing some difficulty getting to root in GUI when Centos 6.2 boots up. It always prompts normal username.

    i have commented out below line in /etc/pam.d/gdm but to no avail.

    auth required pam_succeed_if.so user != root quiet

    please suggest how can i directly login on root in GUI


    Harry Oberoi

  50. Abhay says:

    Hi Ravi,

    I am a beginner to Linux, I have installed CentOS 6.4 successfully, But due to less RAM I did not get GUI installer and I completed the installation in text mode, I did not get step 20 mentioned by you, I am not sure what kind of installation I have done, now I am up and running with root login in CLI. Please let me know how to switch to GUI. Also the installer never asked me to use DVD2.iso???

  51. lester says:

    sir this is what im am up to..


    – Installation must have /u1 and /u2 directory, with its own partition each.
    – SWAP space must be at least 1024mb
    – Server must not have any GUI

    Rules of engagement

    – All configuration file must be accessible through /etc/
    – All installation file packages must be in binary form or source form usually (.tar .tar.gz, .gz, .bzip, .tgz), you can’t use yum, up2date, apt-get, so use of rpm, dpkg are not allowed.
    – All download and installed service will be put under /usr/local/
    – Use “scp” to transfer files to the machine from your pc, or use “wget” to directly download the “binary/source”
    – After install of service removed binary/source from /usr/local/ or moved it to other volume.
    – Backup all configuration file – that your going to edit.
    – All services must run as nobody –
    – All HTML files and database files must be in /u1 directory.
    – /u2 will be used for backup files only.

    Do the following –

    – Install Linux – without any services except for SSH.
    – Create Account
    – Change Password
    – Configure Sudo – for you to gain root
    – Configure SSH to not allow root login
    – Login through SSH –
    – Install and Configure Mail server using sendmail – authenticate against passwd
    – Setup POP/IMAP – authenticate against passwd
    – Setup Apache with HTTPS and Module support and logging to /var/log/apache
    – Install and Setup Webmail – use Squirrel Mail or Open Webmail
    – Put /usr/local/bin in your user path
    – Configure log rotate to rotate logs in /var/log/
    – Write a script to check the HTTP process is running and will send mail if it is not running.
    – Put the script inside the crontab and have it run every half an hour
    – Services HTTPD, MySQLD must autostart when machine boots up.
    – Create script to backup /u1/etc /var/log and place backup file in /u2
    – Put script in /u2 backup file must have the following format, hostname-“backup.dateofbackup.tar.gz”
    – Schedule the backup script to run midnight every 3 days.
    – Configure IPTABLES to deny all and only allow connection to port 25, 80, 443 and 22.

    what is the step by step things to do?? im done on the other part like creating users, installing httpd, php , mysql but i think something is wrong.. im not satisfied .. i dont know if im doing it right..

    • Ravi Saive says:

      This is a very huge list of custom requirement. Will help you out, but will charge per hour $35. If you agree will discuss more..

  52. Robin Dong says:


    I think I missed some steps when I burn this DVD, since I never able to boot from my DVD. following is what I did to install CentOS6.4.

    I donwloaded CentOS iso file to my windows 8 laptop
    I extract iso to a directory and then burn all files to a DVD

    1. I tried to boot from this DVD by click on F12 when text come up, I saw an error: boot file not found….

    2. I was never able boot from this DVD, and I do have boot file on my DVD.

    3.However, I was able to install centos5.7 on the same machine. the difference is that I didnt burn that DVD

    Can you provide some tips to help me to finish this installation?

    Thank you very much.


  53. Vignesh says:


    Kindly mention the steps for installing oVirt via Web UI. Like how many machines are required? What configuration should it be..?

  54. paras gupta says:

    Sir, i want to know, can we stop https sites with the use of squid proxy server in webmin?

    If yes, then please provide the steps.

    In waiting for your response.

    Paras Gupta

  55. clark kent rosal says:

    for clarification…which is the right one basic server? or webserver im planning to build a web server to my website?

  56. lester says:

    how to Install and Configure Mail server using sendmail ?

  57. Elton says:

    Hello am new to Linux i have a server running on centOS 6.4final and is the mail Server all the clients are able to send and receive mails except one which is not able to send or receive. his outlook is failing on Authentication it keeps asking for a password. Can you please give a step by step instructions how i can reset his password. NOTE this started when he was upgraded to windows 7 from XP

  58. bryan says:

    hi Ravi,

    i downloaded this file, “CentOS-6.4-i386-bin-DVD1to2.torrent”. i notice it has 2 ISO files, namely:

    1) CentOS-6.4-i386-bin-DVD1.iso

    2) CentOS-6.4-i386-bin-DVD2.iso

    i too notice there are 3 txt files, and 3 asc files.

    if i burn to DVD, should i include the 3 txt files and 3 asc files?

    based on what i read above, i just need the DVD1 ISO file only, right?


  59. Nuhu says:

    hi Rav, i want to install linux64_11gR2 on CentOS 6.5 or oracle linux 6.4, which option should I choose between Basic server and Database during OS installation…and why?

    • Ravi Saive says:

      If you’re planning to install Oracle, then better go with Oracle Linux 6.4 because it has official oracle repository where you can easily install oracle packages via Yum.

  60. Kress says:

    I’ve installed CentOS 6 a couple times on the same system, once on my own and once following this and then another step-by-step guide. Both times my installation skipped steps 20 & 21. I’m not sure what I’ve done wrong, as I’ve followed what it said exactly. Luckily, it seems I can add them later, but I’d really like to figure out why it skips the packages step.

  61. shiva says:

    Hi sir,
    i have win7 in my pc already, and i would like to have dual boot with centos6.4
    Could you please post Dual Boot Windows7 and Centos6.4 or 6.5 tutorial
    installation only with pendrive

  62. Cương Nguyễn says:

    Hi Ravi Saive,

    Can you help me. I want to set a setup server , network install automatically. I had read PXE server and Cobbler but i still not understand.
    Thank you.

  63. Shina says:

    Sir i am completely newbie to unix.. what unix operating system is a good practice for me?? thanks in advance ravi..

  64. nkosy says:

    hi Ravi
    i am done installing my CentOS 6.4 but now i want to install freeRadius server and openSSH to authenticate the users to login the network . i don’t know what to do . my problem is i don’t want to use telnet. thank you

  65. ROMMEL says:

    Hi, helpme please…
    I installed Centos 6.5 with DB ORACLE 12c
    Preview I execute this in .bash_profile:

    # vi /home/oracle/.bash_profile

    export ORACLE_BASE=/usr/oracle
    export ORACLE_HOME=/usr/oracle/product/11.2.0
    export ORACLE_SID=orcl
    export PATH=$ORACLE_HOME/bin:$PATH

    , but when I turn off the computer, I then turn on the pc…I am not allowed to log in graphic mode, only in text mode…..

  66. sidh says:

    download links are not working

  67. Jackie says:

    Thanks for the instruction.

  68. Venkatesh says:


    I am new to CentOS

    while I am installing CentOS 6.4 through DVD First i aksed

    “Press any key to install”

    after that a message came like

    “Loading 984 pages” like message

    after that it gave the error like

    error 18: there is low space on the cylinder for the BIOS service ”

    Can any one help me what could be the reason how to proceede

  69. Munir says:

    Ravi nice tutorial, but I got stuck, I got the login screen and I enter id:root and my predefine password, it accepted for a few second black screen with loading signal than again back to login screen

    Why ?

  70. ram says:

    during installation of centos i have to edit repository at step no -18

    can you tell me , what should be the repository url?

  71. Forest says:

    I have trouble…. i downloaded CentOS-6.3-x86_64-bin-DVD1to2 ( DVD1 and DVD2)

    i burnt the first one and nothing happened during the installation at the end of installation required DVD2. So when i try to burn it says Your file doesn’t look like has iso extension. My question is: How can i burn the DVD2 so that i can keep the installation… Thanks for help

  72. vikas says:

    Hi Ravi,

    This is vikas i have a problem in configuring squid server.
    i had configured squid server and its working fine but my outlook is not working.
    please can you help me out in configuring it.
    my mail id viswanath.vikas@gmail.com

    plz send me the details how to configure it.

    Vikas Viwanath

  73. kunal says:


    I followed all the steps and was able to install centos but my changes/data are not persisted in centos i.e whenever i restart centos all my saved data will be lost.

    can you please let me know how can I persist all my changes.


  74. vamsi says:

    Hi Ravi,

    I done upto last step and ,after completion of 5 steps like date and time kdump, finally clicking the finish button i am getting the error as windows stopped working, Cau you please help me how to solve this problem

  75. Vineet says:

    Hi Ravi,

    I am new to Linux and was trying to install centOS 6.4 64 bit thru bootable USB. I downloaded dvd1.iso and made the USB bootable and was able to boot the server ( Dell R815) however after 2-3 screens it asks what type of media contains installation image ..
    CD DVD
    local HDD

    I tried CD DVD but it didn’t work then I used Local HDD which gives me options like dev/sda1 , dev/sdc1, dev/sdc2 but I tried all these options but i get error that drive was failed to mount or something ( I don’t remember exactly ) this server already has 6.3 but I want to use 6.4. Any help would be greatly appreciated.

  76. Farbod says:

    Hi, do I have to install CD image? can I do all server stuff with minimum CD without GUI like PHP, Cpanel etc,.? minimum CD is lighter and faster isn’t?

  77. Gareth says:

    Just wanted to say THANK YOU, it is really awesome that you took the time to write this article, thank you for contribution to the knowledge base.

    Awesome work!

  78. Taleeb says:

    i have this iso image CentOS-6.5-x86_64-bin-DVD2.iso.But virtual machine give this error when i attached it.

    Fatal:No bootable medium found!System Halted

    • Ravi Saive says:

      Bro, the first ISO images contains bootable files that allow VM to boot from the first image. Please insert your first ISO image, not second one..

  79. KhalidM says:

    Hi Ravi,

    Thanks for the great and precise article. Can you please spare some time to answer these question.

    1. How to add more features (softwares, packages, rpms) to an existing (basic) installation. I got a whole rack with multiple servers and most of them have basic installation. I need to add more features e.g. graphical desktops, vnc etc. How can i do it ?

    2. How to create an offline repository of installation media. The purpose is since my servers will be behind firewall in Local area network and most probably Internet will not be available or will not be allowed. Therefore, if some offline media repository is not set, i may not be able to execute ‘yum install package-name’. Please guide or redirect to some post.

    Thanks in advance.

    • Ravi Saive says:

      For your both the questions, simply create a local repository with complete CentOS package set and allow clients to use these repo as base repository to install packages using yum command. For about setting local repository, please search for the article using our search form.

  80. Ben says:

    Hi Ravi, maybe you can help me out. I have never in my life used Centos 6.4 or any type of linux system. I am used to using Windows, none of this command prompt. I have no idea what I am doing.

    I have to install a basic database server for my manager so that another company can access us through ssh etc.

    Ok so when I access the login via route I type: ” ip addr show”, it shows one called eth0 and another one but it says eth0 state is down, so I then type: “ifup eth0″ and then it says “Determining IP… Done”. When I then typE: “ip addr show” it then shows eth0 state as up and it allows me to ping websites.

    The problem I have is trying to obtain the IP address because it just will not show it a tall and to make matters worse everytime I turn the computer off and then back on I have to keep repeating the process of ifup eth0 to turn it on… I am finding this really frustrating.

    I know nothing about GUI interfaces or YUM. Far as I was concerned you install centos 6.4 and away you go, this doesn’t seem to be the case. :(

    Kind Regards,

    Stressed and fed up man.

    • Ravi Saive says:

      Dear Ben,

      Just add the ‘ifup eth0′ entry in /etc/rc.local at the bottom, your problem will solve.

  81. Ben says:

    Hi Ravi,
    Thank you for your quick response. How do I access the web using Centos 6.4. I set it up as a basic server with minimal installation. Everything is in command prompt and I dont have a deskktop like I would with Windows..

    I have been asked to access the web interface? How do I do that?

    Kind Regards

    • Ravi Saive says:

      Bro, I am confuse with your question, are you mean to access Desktop? or a Web Server? If it’s desktop, just install KDE or GNOME desktop environment. Just run the following command on the terminal to install Desktop.

      # yum groupinstall "Desktop" "Desktop Platform" "X Window System" "Fonts"
  82. Manjunath says:

    I am getting error like this when try to install GUI mode

    files contains prasing errors: file://///etc/yum.repos.d/iso.repo

    [line 2]: name-pkgs

  83. laxmi says:

    hi ravi please tell me complete samba4 installation steps in centos please give EX:

    host name:dc1
    doman name :laxmi.com
    my system ip
    sub net mask
    d gate way

    thank u

  84. sriram says:

    Do you have any ideas on how to customise the Basic server setup after i install Cent OS 6.5 using ISO files? i don’t want to go with YUM installer. Please advise. Thanks

  85. ranvir says:

    Hi Ravi,
    I appreciate your efforts.
    I have installed the first dvd only. I am facing problem in installing tata photon max. Is installation of iso-dvd-2 necessary for running internet connectivity, necessary.

    Pl help.


    • Ravi Saive says:

      Dear Ranvir,

      The first DVD is enough for installing all needed packages, the second DVD is optional, but regards to internet connectivity, you need to install some drivers related to your data card provider.


    Hai ravi , this is Ganapathi
    I am currently a user of windows 8 and i am intrest to learn linux and i want to install kali linux within the currently existing windows 8 for learning and security purpose…..
    Is that possible to install kali linux within windows 8……
    Ifso please guide me to install kali or some other like ubuntu within windows 8

  87. Sasuki says:

    I have installed Linux enterprise 6.4 now I’m facing a major problem as in I’m not able to install windows..

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