How to Upgrade from CentOS 5.x to CentOS 5.9

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Ravi Saive

I am Ravi Saive, creator of TecMint. 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. Follow Me: Twitter, Facebook and Google+

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10 Responses

  1. Rahman says:

    Hi Ravi
    My question not related to Centos, actually it is related to fedora. I install fedora 19 in my desktop and after update Schrödinger CAT is booting. this is good for me but today when I restart my system, the system automatic updated again. After updating rebooted by system itself and during rebooting the screen freeze and message showing “varifying DMI pool data………….” the dot is blinking continuously for longer duration. I search in google what it means it showing problem with BIOS setting, which I did not touch. This problem I faced second time with same OS. I am using three Hard disk capacity 2TB, 1TB and 500 GB.

    Could you give help me to sort out this problem
    Thank you

  2. ganni says:

    Mysql rpm’s are part of the upgrading media (DVD). So you might have not had problem in upgrading your Sql server. Oracle database rpm’s and third party rpms used in application hosting may cause the system to break. I will duplicate the server setup in virtual environment and experiment with your suggestion.

    First part of the question still remains unanswered. If possible can you write a article on offline repo for distribution of rpms to server/client machines


  3. ganni says:

    Thanks for wonderful articles/guides. All your guides are very helpful and makes sysadmin’s life simpler. I have one question regarding the above article. This up-gradation needs server machines to be available on internet for yum sync and updates installation. Can you please advise me on the up-gradation method to do a offline up-gradation for servers operating in private network without a internet connectivity.

    • Ravi Saive says:

      I have already covered offline installation of packages using CentOS CD/DVD with YUM tool. Please follow the below link for offline installation of packages.

      • ganni says:

        Thanks.. I had gone through that article. The said article mentions about manual installation of updated packages from DVD. I am looking for a complete offline update server solution to distribute updated packages to number of Linux servers/clients present on our private network. It is like setting up a offline repo as WSUS server in windows networks.

        secondly, we have Cent OS 5.6 server with Oracle database for hosting various applications in our LAN setup. Can i use “yum upgrade” command to do a version upgrade in my Linux machine (manually) using DVD media like CentOS 5.9. Will that keep my current server in running state after reboot. I am deliberating a dependency issues may arise leading to server collapse. Please advise.

        • Ravi Saive says:

          I have upgraded my own working Mysql Server CentOS 5.6 to Centos 5.9 using DVD method. I have not faced any problems after up-gradation and server is working fine. My advice is to go ahead.

  4. Rajesh Singh says:

    Hey Ravi,
    First of all thanks for all your articles. they really make life on linux enhancements much simpler. i have a Centos 6.3 ( updated kernel 3.7) installed and would like to make it a dual boot with Ubuntu 12.10 but currently i am not able to shrink LVM based Centos6.3 partions to make way for ubuntu. please can u publish an article or at least guide me on e mail with detailed instructions on how to first shrink the centos LVM partions and then install ubuntu or even fedora for a dual boot. Basic problem is shrinking the size of Centos LVM partion using Gparted in rescue mode using installation dvd. please help me as i find yyour solutions to be the most explanatory on the web. here is the partion detail of my disk :

    Filesystem Size Used Avail Use% Mounted on
    /dev/mapper/vg_thakurrajeshsingh-lv_root 50G 16G 31G 35% /
    tmpfs 1.2G 296K 1.2G 1% /dev/shm
    /dev/sda1 485M 79M 381M 18% /boot
    /dev/mapper/vg_thakurrajeshsingh-lv_home 407G 24G 363G 7% /home

    • Rajesh Singh says:

      yay ! Finally i was able to shrink LVM and do a ubuntu12.10 dual install with centos 6.3. now the question is when 6.4 update comes later this month(since RHEL6.4 beta was released on 4th dec), when i will do a yum update, how to avoid centos 6.4 grub from overwriting the relatively new ubuntu grub ??

      • Ravi Saive says:

        If your grub boot loader is overwritten, then you don’t have choice to boot the recently installed operating system, In that case you have to restore an overwritten grub boot loader by using Live CD. Boot the system using Live CD and mount the partition and install grub again. This is the recommended way to restore the overwritten grub. And also let me know how you able to shrink the LVM?

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