Securing shared memory in Ubuntu (Linode VPS) renders it useless. Doesn’t boot up [duplicate]

This question already has answers here: Secure shared memory (2 answers) Closed 7 years ago. Everytime I setup a new VPS, I secure shared memory by adding the following to /etc/fstab: tmpfs /dev/shm tmpfs defaults,noexec,nosuid 0 0 Which works as expected on every host, EXCEPT for Linode. Here is the bootup error I get in … Read more

Ubuntu update caused system to freeze on boot at purple screen. Recovery mode fails and brings up BusyBox

I’ve searched through existing questions, but nothing addresses my problem. My system running Ubuntu 14.04 went through a partial-update a few days ago. Ever since, my system will not boot. It freezes on the purple screen. (plymouth?) When I attempt to boot to recovery, I get a “gave up waiting for root” error along with … Read more

Cannot see Boot Screen on Ubuntu 15.04 running on Virtualbox

I have installed Ubuntu 15.04 on my laptop. Inside that, On virtualbox i have installed another ubuntu 15.04. I see the ubuntu logo during the boot on the host but on the guest I see the message ACPI PCC PROBE FAILED. STARTING VERSION 219. SMBUS BASE ADDRESS UNINITIALIZED ade BIOS or use force_addr=0xaddr no valid … Read more

After installing the proprietary NVIDIA driver, my boot splash is very large and stretched. Any fix?

I know there have been solutions for previous versions of Ubuntu, but what is the best way to go about it now? As an aside, if I have it disabled the splash is fine, but before the login manager shows there is a weird torn up flicker of sorts. Any help is appreciated. Answer Instructions … Read more

Plymouth main process killed by SEGV signal error on boot [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Ask Ubuntu. Closed 9 years ago. Improve this question After upgrading to 11.04 the following messages appear, i don’t know what to do about it. pls suggest. init: plymouth main process (68) … Read more