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I usually document my scripts in OneNote. It would be perfect if OneNote 2016 can highlight scripts. I found a nice plugin call “NoteHighlight2016” for OneNote 2016. It’s not only for 32 bit but also for 64 bit. You can download it in Github. The default codes are C#, SQL, CSS, JS, HTML, XML, JAVA,…
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You may see following errors in ‘info’ category of error messages in the Cisco UCS Manager after upgrading infrastructure firmware to 3.2.x. “x/xx on FI-A is connected by a unknown server device” This is bug documented in CSCvk76095. You have to reset the port on FI to fix it. Go to “Equipment” in Cisco UCS…
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You may see error message below when installing standalone patches on Windows Server 2016. The update is not applicable to your computer It may be caused be servicing stack update is not installed on the server. Please install KB4132216 before installing the patch.
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The IP configuration of new provisoined Raspberry Pi struggled me a long time. I need to connect to a monitor so I login to system and configure IP address. The problem was I don’t have monitor. I only have a laptop. Last year, my old laptop dead. I connected the laptop monitor to a HDMI…
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There are two ways to know which network switch ports the network uplinks of Cisco UCS Fabric Interconnects are connected to. By CLI SSH to the Cisco UCS Manager. Connect to FI-A. # connect nxos a Show neighbor of network uplinks. # show cdp neighbor interface ethernet <port num> By PowerShell Make sure Cisco PowerTool…
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You may see following error in Cisco UCS Manager: default Keyring’s certificate is invalid The reason is Admin -> Key Management -> KeyRing default is expired. It’s not possible to delete or change the KeyRing in GUI. You have to log in to SSH of Cisco UCS Manager and run following commands (The strings after…
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A few days ago, I deleted some older firmware packages in Cisco UCS Manager. Suddenly more than 100 warnings were generated. The error messages are similar below: blade-controller image with vendor Cisco System Inc……is deleted Cause: image-deleted Clearly, it’s triggered due to packages deletion. But all of my service profiles and service profile templates were…
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Some notes for LXC. CentOS 7 minimal version doesn’t support LXC installation by default since LXC is deprecated in version 7. The new container solution is based on docker framework. There is an alternative to install LXC. Following are procedures: Install Epel (Extra Packages for Enterprise Linux) repository. # yum install epel-release Install some dependencies.…
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There is an issue been identified in VMware Tools 10.3.0 can result in a PSOD or guest network connectivity loss. VMware has released KB57796 for that.
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I got following error message when I try to run KVM Virtual Machine Manager: virt-manager on SSH. Gtk-WARNING **: cannot open display: There are several things need to be checked: Make sure “X11Forwarding” is set to “yes” in /etc/ssh/sshd_config on the machine you run virt-manager. cat /etc/ssh/sshd_config | grep “^X11” If you are using Windows to…