/usr/sbin/grub-mkconfig: 35: /etc/default/grub: FROM:: not found

I have Xubuntu 18.04.3, and whenever I try to install a package through apt-get I get the following message. Removing linux-image-5.0.0-31-generic (5.0.0-31.33~18.04.1) … /etc/kernel/postrm.d/initramfs-tools: update-initramfs: Deleting /boot/initrd.img-5.0.0-31-generic /etc/kernel/postrm.d/zz-update-grub: Sourcing file `/etc/default/grub’ /usr/sbin/grub-mkconfig: 35: /etc/default/grub: FROM:: not found run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 127 dpkg: error processing package linux-image-5.0.0-31-generic (–remove): installed linux-image-5.0.0-31-generic package post-removal script…

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How rebind RxJS “fromEvent”, if view changed

I have a question, I create a date-range-picker component and bind click-through “Rxjs fromEvent” in lifecycle hooks “ngAfterViewInit”, but after I changed view all events disappear. If I attached events in “ngAfterViewChecked” all events duplicated. HTML <div class=”date_picker”> <div class=”month_and_years”> <button (click)=”previousMonth()”><</button> <div> </div> <button (click)=”nextMonth()”>></button> </div> <div class=”week_days”> <div class=”day” *ngFor=”let day of weekDays”>…

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ValidationError(Deployment.spec): misssing required field “selector” in io.k8s.api.v1.DeployementSpec

I created hyper-v machine and tried to deploy sawtooth on minikube using sawtooth yaml file : https://sawtooth.hyperledger.org/docs/core/nightly/master/app_developers_guide/sawtooth-kubernetes-default.yaml I did changed the apiVersion i.e. “apiVersion: extensions/v1beta1” to –“apiVersion: apps/v1”, though I have launched minikube in kubernetes version–v1.17.0 using this command “minikube start –kubernetes-version v1.17.0”. After that I can’t deploy the server. Command is “kubectl apply -f…

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