WebUI vSphere does not start after reboot

New install ESXi 6.7, deploy in it vCenter SA 6.7 After installation, vCenter work fine. After rebooting vCenter, i get an error. 503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:0x00007fde7c00b5a0] _serverNamespace = / action = Allow _pipeName =/var/run/vmware/vpxd-webserver-pipe) i run service –status-all and see vmware-stsd.service is not working. I try run it manually systemctl…

multiple column alignment

I’ve my raw data as – id=ABC name=Banana DB Connection type=FruitMarket XYZ_1 ABC.xml XYZ_2 ABC.xml XYZ_3 ABC.xml “Fruits/Mango/#Common” “Fruits/Mango/#Bizzare” “Fruits/Mango/#Common” id=EFG name=FruitHouse type=jms XYZ_4 EFG.xml “Fruits/Plum Orange” id=JKL name=JMSWriteConnect type=jms XYZ_4 JKL.xml “Fruits/Plum Orange” id=TMZ name=Banana DB Connection type=FruitMarket XYZ_5 TMZ.xml “Fruits/Mango/Backup/Apple” id=LDL name=Banana DB Market-Connect type=FruitMarket XYZ_6 LDL.xml XYZ_7 LDL.xml XYZ_8 LDL.xml XYZ_9 LDL.xml…

Can reduce the 994 GB partition on Dell Vostro 3580 laptop with Ubuntu 18.04 pre-installed?

I am somewhat newcomer to computers and want to help me. I bought a Dell Vostro 3580 laptop with Ubuntu 18.04 pre-installed. I could reduce the 994 GB partition to about 450 GB. In the free space could I install Ubuntu Studio 19.10? If yes, how can i do it? https://www.pcgarage.ro/notebook-laptop/dell/156-vostro-3580-seria-3000-fhd-procesor-intel-core-i7-8565u-8m-cache-up-to-460-ghz-8gb-ddr4-256gb-ssd-radeon-520-2gb-linux-black-3yr/ https://www.dell.com/support/home/ro/ro/robsdt1/product-support/product/vostro-15-3580-laptop/docs Thank you in…

What is the difference between call back functions, and promises?

I am new to web3 developing in java script. I am a little confused when to use a call back function, and when to use a promise. For instance this code to get transaction hash can be written in may ways: web3.eth.sendSignedTransaction(transaction, (err, hash) => {console.log(hash)}) can also we written as: web3.eth.sendSignedTransaction(transaction).on(‘receipt’ , console.log) I…