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Ubuntu apt installation error as : E: Unable to correct problems, you have held broken packages.

  Error: E: Unable to correct problems, you have held broken packages. Solution: 1) Find the broken packages using:    root@test:~# apt-mark showhold     libcephfs2     libsqlite3-mod-ceph 2) Unhold the locked packages using below command:    root#test:~# apt-mark unhold libcephfs2 libsqlite3-mod-ceph
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Enable MOB for vCenter version 9.0

Connect to your VCSA via SSH Backup the VPXD Configuration file # cp /etc/vmware-vpx/vpxd.cfg /var/core/vpxd.cfg_backup Edit the Configuration File: Open the vpxd.cfg file using a text editor (e.g., vi) # vi /etc/vmware-vpx/vpxd.cfg Identify the flag "enableDebugBrowse".If it's set to false or missing, change it or add it to true as shown below    <vpxd>    ...      <enableDebugBrowse>true</enableDebugBrowse>       ...    </vpxd> Save and close the file Restart the vCenter Server Service (vpxd) # service-control --stop vpxd # service-control --start vpxd
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Steps to Setup a vLCM with offline image on vCenter server

  ✅ Steps to Set Up vLCM Using an Offline Image Step 1: Download Required Offline Files (From a Computer With Internet) 🧩 What You Need: ESXi Offline Bundle ZIP Example: VMware-ESXi-8.0U3-xxxxxx-depot.zip Vendor Add-ons (optional but recommended for Dell, HPE, Lenovo, etc.) Example: HPE-Custom-AddOn_802.0.0.10.2-1OEM.802.0.0.24938291_231208.zip 🔗 Sources: VMware Patch Portal (Search under ESXi (Embedded and Installable) → Select your version → Download the Offline Bundle ) [Vendor Custom Addons & ISOs]: HPE : https://www.hpe.com/info/esxi Dell : https://www.dell.com/support/home/product-support/vmware-esxi Lenovo : https://datacentersupport.lenovo.com/ Download the relevant files and transfer them to your vCenter environment , ideally to a machine that can access the vCenter UI. Step 2: Upload Offline Bundle to vLCM Login to vCenter Web Client . Go to Menu > Lifecycle Manager . Go to "Image Depot" . Click "Impo...
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ESXi Host client unable to access because root login locked

  Issue: ESXi Host client unable to access because root login locked Solution:  Access the ESXi console from remote console of the physical server: Press F2 to login with root user (here it will allow when locked from UI also) Press "Alt+F1"    This will take you to the shell      check the root login details : pam_tally2 --user root     reset the lock:  pam_tally2 --user root --reset Other option: wait for the 15mins lock period to get unlocked.
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How to check internet speed of a linux server

  1.Install the speedtest-cli tool sudo apt install speedtest-cli 2.Run the speedtest-cli Server1:~$ speedtest-cli Retrieving speedtest.net configuration... Testing from Cellcom (192.1.1.1)... Retrieving speedtest.net server list... Selecting best server based on ping... Hosted by Partner Communications (abc) [13.62 km]: 3.437 ms Testing download speed................................................................................ Download: 671.98 Mbit/s Testing upload speed...................................................................................................... Upload: 689.19 Mbit/s server1:~$
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