1. S

    Disable FIPS mode

    What does this command 2nd line do? It seems it removes the fips=1 argument from the kernel command line. Should this command be a one-liner? I was not able to run each line separately. grubby --update-kernel=ALL --remove-args=fips=1 [[ -f /etc/default/grub ]] && sed -i 's/ fips=1//'...
  2. S

    RHEL upgrade 7 to 8 leapp preupgrade error

    Leapp preupgrade errors out I was not able to enable repo, so I am running sudo leapp preupgrade --no-rhsm Actor: dnf_transaction_check Message: DNG execution failed with non zero exit code How do I fix this error?
  3. S

    How to upgrade RHEL version 7

    We have around 100 AWS EC2 instances running on RHEL 7.9. I am not sure the best way to upgrade to 8+ I'm not a Unix admin. What is the recommended approach as many of our legacy applications (dev, test, uat, stage environments) are deployed to these servers including production? Any...
  4. S

    Moving directories into separate partition

    I have an EC2 instance running on RHEL 7.9 with one volume /dev/sda. I am not a Linux admin. I just know some basic stuff. How do I move /var & /home directories into separate partitions? I have to do this due to some requirements. What would be the impacts of doing so? Thanks.
  5. A

    Disk IO of all disks in a system slowed down when one of the disks became readonly during content writing

    Environment: OS: OEL 7.6 Kernel: 3.10.0 Total Disks: 5 Description: We have 5 disks of size 4TB each. Content is being written on each of the disks. Avg. write time of disk is 5ms/req . Now, one of the disks suddenly got failed and became readonly. After this failure, response time of...
  6. M

    CentOS/RHEL preserve "ip link set" settings

    Hi All, I hope you are doing well during these a bit strange times. I stumbled upon this issue where the only way to configure some of the settings I can do through ip set link command. This is to do with virtual adapters with VLANs with vf and proto 802.1Q parameters. This requires bringing...
  7. L

    RedHat Linux VM Domain Joining

    Hi all, I am new to Linux and need some suggestion on Azure Linux VM (RHEL 7.7) domain joining using bash script. I wrote below script for each steps needed to domain join a linux (rhel) vm. The script seems working fine but, as I am new to linux world, I need advise on below steps and I might...
  8. A

    Fix disk and volume manager configurations for a cloned server

    I have cloned a physical server that has Enterprise Linux version as the operating system with Clonezilla to a VMware virtual machine and the cloning completed successfully. However, I noticed two interesting messages during the cloning process. The first one was on the physical server...
  9. V

    Window's Instances are showing 1G NIC speed on 10G at the backend

    Hello Guys, So i have recently deployed few instances on KVM. My backend NIC's are 10G but when i deploy any instance in KVM hypvervisor. All of window's instances are now showing only 1G NIC speed. This happened with VMware too, but it was resolved the moment i have changed NIC adaptor from...
  10. L

    After upgraded to Rhel 8.2 - Building RPM- %Clean error - Device or resource busy/Directory not empty

    Hi, Just when we upgraded our Linux box to Rhel 8.2 , we encountered below errors in %clean section of RPM Spec File during build. Not sure if this is because of upgrade or if there’s other issue behind. I tried to put some delay(sleep 1m) before deletion but still not success. It was...
  11. K

    yum not responding

    'Yum' command returns to the command prompt without returning any output/report. /usr/bin does not has gcc executable file. How to fix the problem with yum and gcc? Below are few outputs: $ rpm -q rpm rpm-4.11.3-25.el7.x86_64 $ rpm -q yum yum-3.4.3-154.el7.noarch $ ps -ef|grep yum kanassu...
  12. I

    Problem with systemctl --root= option in RHEL/CentOS 7

    It is my understanding that --root= option in systemctl command is used to explicitly specify an alternate root path to find the service unit files. On RHEL/CentOS 7, the following error occurs when attempting to use the above mentioned systemctl option: [root@server-02 system]# systemctl...
  13. B

    I am getting below error when i am trying to install Oracle 12c Release 2 on RHEL 7

    Hi, I am getting below error when i am trying to install Oracle 12c Release 2 on RHEL 7. [oracle@oracledb database]$ ./runInstaller Starting Oracle Universal Installer... Checking Temp space: must be greater than 500 MB. Actual 10828 MB Passed Checking swap space: must be greater than...
  14. Rob

    Red Hat Enterprise Linux 7.4 Beta now available

    This morning Red Hat has announced the release of RHEL 7.4 Beta providing a "rich and stable foundation for both existing applications and a new generation of workloads and solutions". This release includes the addition of some new features, namely: Security / Compliance Support for Network...