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August 16, 2020 HP-UX

How to Reboot vPar from console in HP-UX

Reboot vPar from Console Login to nPar as root and check the status of the vPars by using the command vparstatus. # vparstatus Num Name RunState State === ========================== ============ ========= 1 daw_vpar1 UP Active 2 daw_vpar1 UP Active 3 daw_vpar1 UP Active Virtual Partition CPU …

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August 14, 2020 VMware ESXi

VMware Change Guest OS Version greyed out

Problem VMware Change Guest OS Version greyed out I need to change the Guest OS Version for a virtual machine on VMware ESXi. But when I tried, found that the drop-down box against Guest OS Version is greyed out and I can’t change it. Reason If the drop-down …

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August 13, 2020 VMware ESXi

Upgrade VM Compatibility option is grayed out

Problem I need to Upgrade the VM Compatibility for a virtual machine on VMware ESXi. But when I tried, found that the Upgrade VM Compatibility option is greyed out as shown in the screenshot below. Reason If the Upgrade VM Compatibility option is greyed out then it means …

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August 12, 2020 VMware ESXi

Upgrade VM Compatibility Level of Virtual Machines in VMware ESXi

To upgrade the VM compatibility level of a virtual machine in VMware ESXi, follow the steps given below: Log in to the ESXi host containing the virtual machines Select Virtual Machine and Shutdown or Power Off the same for which you want to upgrade the VM compatibility. Go to the Upgrade …

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August 10, 2020 HP-UX, IBM WebSphere Application Server

Change the value of maxfiles_lim kernel parameter on HP-UX

Problem I have an HP-UX server and IBM WebSphere Application Server is installed on this server. Some applications are running on this application server. One day suddenly one JVM of IBM WebSphere Application Server stopped serving the requests (JVM was running but not processing any request). …

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August 8, 2020 HP-UX

List of Latest Installed Bundles and Products on HP-UX

Problem If you are working as a System Administrator then you need to keep the records of each and every change in the system. After applying the patches on HP-UX servers, you need to know what bundles and products have been updated on your HP-UX system. …

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August 6, 2020 Linux

Turn Off Password Expiration for a User Account in RHEL

To ensure the security of the systems we need to apply the password policy for user accounts on a Linux system. If the policy is applied and applicable to all user accounts then users need to change their password periodically as per policy. But in some …

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August 5, 2020 Linux

How to Watch or Monitor Log Files in Real Time on RHEL Systems

For a system administrator, it is very important to view log files for monitoring systems and troubleshoot issues. There are many ways to see the logs in real-time on a Red Hat Enterprise Linux (RHEL)system. tail command is a most useful solution which helps system admins to output the …

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June 14, 2020 Microsoft Windows

How to Activate Windows Server 2019

I have downloaded the Windows Server 2019 Standard from Microsoft Volume Licensing Service Center and installed the same. Purchased a licensed key for Windows Server 2019 Standard. After that, I followed the below steps to activate my Windows Server 2019 Standard successfully. Activate Windows Server 2019 Standard Right-click on …

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June 12, 2020 Microsoft Windows

The product key you entered didn’t work. Check the product key and try again, or enter a different one. (0x80070490)

Problem I got the below error while activating the Windows Server 2019 Standard by entering the product key which I had purchased. The product key you entered didn’t work. Check the product key and try again, or enter a different one. (0x80070490) Reason I talked to Microsoft …

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Tag: Sys Admin