How do you convert ttf font to pff2?

I'm looking into grub2 themes, and i can't seem to convert ttf to grub's native format. I tried to do this: ➜ asdfafdsgsgsg ttf2bdf -p 32 Oxygen_Regular_Oxygen.ttf > oxygen.bdf ➜ ...

Showing a splash image while loading a huge initrd

Consider a live GNU/Linux distro with the following constraints: all the software should be contained in an initrd image (which results in its huge size) and the kernel contains as few...

How do you swap /dev/sda with /dev/sdb?

Boy, this is such. a. trivial. question, and yet nobody seems to be able to answer it correctly. How do you swap /dev/sda with /dev/sdb ? Someone can suggest to use permanent labelling (eg....

Xinu boot in VM

I want to learn something about OS and networking with Xinu. I downloaded the source code from the xinu-os repo on github (up to 4d489eead3a49170f69041b959bd5a1bd8dff92d) and compiled xinu.boot...

How to change grub.conf after adding init=/bin/bash

I added "init=/bin/bash" in grub.conf file, so my linux system is always entering bash when booted. Is there a way to change the grub.conf file so that I can boot Linux again.

vgrename on root VG - grub2 issues

I'm struggling to update grub2 after using 'vgrename' on my root VG in Centos 7. I ran 'vgrename' successfully, then edited /etc/fstab with the VG name, then edited 'GRUB_CMDLINE_LINUX=' in...

How to get rid of grub and restore my windows back?

I am dual booting my laptop with Windows 8.1 and Ubuntu, I wanted to remove Ubuntu so i have deleted those drives in disk management and also took recovery of windows on USB. As I restarted I got...

Add a kernel parameter with sed to grub

I'm writing a bash script to non-interactively enable hibernation on a linux system. To this end, I need to insert a shell variable that contains slashes on a specific line of a while, inside...

Heap Gives Page Fault

I am now getting a page fault which means i am accessing an invalid address. This is most likely to the higher half kernel design i chose to follow. But i could not see where it leads to a page...

Convert .iso to .qcow2

I would like to convert windows .iso to .qcow2 format and use in openstack. Tried using vbox: https://www.virtualbox.org/ Not sure how to add cloud-init package to the OS, configure grub (steps...

How could 32bit kernel read efivars from 64bit UEFI?

I'm booting a GRUB EFI application compiled to x86_64-efi, on a x86_64 firwmare in UEFI only mode. This GRUB app launches a 32bit Linux v3.18.48, with CONFIG_EFIVAR_FS=y and CONFIG_EFI_VARS=y. Now...

sound driver - snd-aloop kernel module setup issue with AWS EC2 ubuntu 16.04 instance

Unable to use snd-aloop audio driver in AWS EC2 ubuntu 16.04 instance On running modprobe on snd-aloop $modprobe snd-aloop modprobe: FATAL: Module snd-aloop not found in directory...

Tomoyo profile doesnt exist

I have installed on my Vbox Parrot-Security 32bit After a day, I got error while booting machine. /dev/sda1: clean, 450934/1523712 files 3510770/6092032 blocks I got : TOMOYO: Default profile...

Yocto system stuck, Waiting for root device PARTUUID

System Setup: 1. Generic x86-64 bit target hardware 2. Linux kernel 4.4.131 3. Yocto with core-image-base target build system 4. GRUB boot loader with booting-pcbios loader source code 5. WIC...

Errors: grub-efi-amd64-signed & shim-signed

pI need to fix the following problems I do not have experience in linux, so please possible give me simply explanations and the code to type in command line and fix the problems, please! I checked...

Deleted database accidentally by a bash script, rescue please

My developer committed a huge mistake and we cannot find our mongo database anyone in the server. Rescue please!!! He logged into the server, and saved the following shell under...

Windows virtual box with ubuntu unable to boot

I have virtual box on my windows 7 professional installed with ubuntu (don't remember the exact version); When I try to boot up my clone, I get following message: lvmetad is not active yet, using...

Yocto - creating a dependency for WIC to cpio.gz image

I'm creating a small Yocto distro that should work in RAM on tmpfs. I use the WIC configuration in the following way: part /boot --source bootimg-efi...

wic image is EFI but need legacy

I added meta-intel layer to build a hardware image. After build ( bitbake xxxxxx ) I got output: core-image-minimal-genericx86-64.wic I dd copy this file to a USB, it can boot and login to...

How do I generate a multi-boot Grub EFI WIC image from Yocto

I am trying to implement a software update process for a generic x86_64 system using Yocto and SWUpdate. I would like to have two root partitions, with SWUpdate overwriting the inactive one (dual...

Flutter/Dart - Split Comma Separated String into 3 Variables?

I've got a comma-separated string of tags, IE "grubs, sheep, dog". How can I separate this into three variables? I tried ; var splitag = tagname.split(","); var splitag1 = splitag[0]; var splitag2...

Use SWUpdate on Debian 10 + grub

Does anyone know how I can use SWUpdate on a standard Debian system? I found a lot of information about SWUpdate in combination with Yocto or Raspberry PI but nothing about e.g. Debian which is...

Android x86 system files "Read-Only", magisk installation

I want to change the kernel and ramdisk.img file to install magisk, however, the folder is "read-only" My setup: Android-x86_9.0-r2_(x8) running on Proxmox (using QEMU and qcow2 formatted...

Unable to bind intel NIC X710

I am trying to bind this nic I40E: Ethernet Controller X710 for 10GbE backplane 1581 my OS is ubuntu 18.04 kernel: 4.15.0-74-generic I used dpdk-setup.sh to Insert VFIO module. i also add iommu=on...

VFIO - igpu passthrough on Intel 4770 to a virtual machine (Host Os Proxmox)

I am running the latest Proxmox (6.3-3 at this time, fully updated) and attempting to passthrough the onboard GPU on my Core i7 4770 CPU to a Windows 10 VM. I have already enabled iommu on the...

Cannot add a DPDK-bound interface to the OVS bridge

I am unsucessfully trying to add a PCI interface (I219-V) to the OVS bridge using ovs-vsctl: [email protected]:/home/me# ovs-vsctl add-port br0 tryport -- set Interface tryport type=dpdk...

install Yocto wic image on a partition

I am new to Yocto and used the Yocto quick start guide to build a wic image for my inteli7-64 machine and installed on my machine. For the partitioning and creating an installer image I used...

grub2: specify http location for linux kernel and initrd image in grub.cfg

I am trying to configure network boot to install different Linux OS versions. I have an CentOS source machine with httpd, dhcpd and tftp configured. My http server is hosting the extracted files...

How to enable cgroups V2 on Amazon linux 2

I am trying to enable cgroups V2 on Amazon linux 2, but so far unsuccesfully. I have tried to add systemd.unified_cgroup_hierarchy=1 to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub,...

No Display via DisplayPort ArchLinux

I installed ArchLinux on my computer a month ago in a way that when I boot on it it first shows the TTY and then once logged in it starts StartX. Everything was working well. A few days ago I...