#unix

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Missing modules (cat /proc/modules; ls /dev) and UUID doesn't exist in BusyBox

Published: 30/05/2020

I'm stuck in the boot and can't open any terminal. When I try to boot my laptop it shows the following error: Gave up waiting for root device. Common problems: -Boot args (cat /proc/cmdline) -Check ro ... Read more

Source: unix.stackexchange.com
Trying to make my USB Wifi adapter work on Virtualbox (Kali Guest, Windows host)

Published: 30/05/2020

I'm trying to make Kali Linux run under Virtualbox, with my Windows 10 PC. I recently bought a USB WIFI adapter (Realtek RTL8812au), and I'm trying to USB passthrough the adapter to my Kali VM. Thing ... Read more

Source: unix.stackexchange.com
Prevent a process from using too much CPU even if available

Published: 30/05/2020

I would like to avoid a process using too much CPU. In fact, I want to prevent my CPU from heating up since I have some really long CPU demanding tasks (video converting) to run from a Raspberry Pi wi ... Read more

Source: unix.stackexchange.com

Need help in understanding terminology (display server)

Published: 30/05/2020

What is expected from the program to be called a display server? In other words what, for example, X11 and Wayland have in common? Is display server has the same meaning as windowing system? Atleast o ... Read more

Source: unix.stackexchange.com
is there a better way to search for shell-script commands in google

Published: 30/05/2020

Many times , i was stuck in shell script commands and couln't even find it on google, when i directly type them in the search.Is there any way to search for , or any other reference site where i can g ... Read more

Source: unix.stackexchange.com
What is the vmlinuz.old file and what does it do ? What would happen if I deleted it?

Published: 30/05/2020

this is the screenshot of my '/' directory . PS : I'm kinda new to the linux environment . Read more

Source: unix.stackexchange.com

How to get online http://copy.sh BSD emulator terminal to accept '|' char?

Published: 30/05/2020

There's an web-based online FreeBSD v86 emulator demo running a terminal here on http://copy.sh . It seems like this terminal should be a good place to compare command line differences in Linux , (my ... Read more

Source: unix.stackexchange.com
Create user with password, check if exists and assing him to group

Published: 30/05/2020

I need to write bash script which will check if it is run as root user ask for the user name check if user exist add new user with password ask the group name check if this group exists assing the use ... Read more

Source: unix.stackexchange.com
Node-Red random restart with status=11/SEGV

Published: 30/05/2020

I'm facing with some random Node-Red restart on my Raspberry PI 3B+ running Raspbian Stretch. Looking into the /var/log/system file I found the following error May 28 06:17:07 raspberrypi systemd[1]: ... Read more

Source: unix.stackexchange.com

Sheduling a shell script using crontabs for a rolling 5 hour interval across days

Published: 30/05/2020

I need to schedule a shell script execution with crontabs to execute it every 5 hours starting from 01:00 and daily. sample execution times: 2020-05-29 01:00 2020-05-29 06:00 2020-05-29 11:00 2020-05- ... Read more

Source: unix.stackexchange.com
crontab -e, permission denied after malware infection

Published: 30/05/2020

Caused by: My machine was infected with the redis mining worm Here are some files under /root/.ssh (it's hidden, using ls -la I can see it), I remove them and some other related files, hope it won't c ... Read more

Source: unix.stackexchange.com
'export'ing a variable in shell script

Published: 30/05/2020

i stuck at this script, first.sh value="myvalue" export value oldvalue="othervalue" export value after initializing the value and exporting, we have initialized the oldvalue and again exported "value" ... Read more

Source: unix.stackexchange.com

How do I restore files removed from /usr/bin?

Published: 30/05/2020

TL;DR at the bottom. Background: The following occured on my CentOS 6.10 production server. I was using a browser based terminal program to run the program Midnight Commander which is a console-based ... Read more

Source: unix.stackexchange.com
Extending LVM partition with unallocated space on CentOS guest system

Published: 30/05/2020

I believe this is an easy question for people in the know. I have ~100 GB unallocated hard disk space that I want to use to extend my home partition. What commands do I need to run? [paul@localhost ~] ... Read more

Source: unix.stackexchange.com
DWM patch fail. unable to patch the alpha patch

Published: 30/05/2020

im trying to patch DWM with the alpha patch but it keeps failing i have tried manually adding and deleting lines but it wont patch successfully. i have already patched dwm with autostart, bar height, ... Read more

Source: unix.stackexchange.com

How to include double quote within string while from value of variable

Published: 30/05/2020

I am trying to run a command in shell script which demands its argument to be passed in below format which includes double quotes with string. command "string" This string is stored in variable var1. ... Read more

Source: unix.stackexchange.com
is it possible with wget to convert all links (like a jpeg) to the source instead of the link?

Published: 30/05/2020

Is it possible to convert things like the location of a jpeg image linked to a website to the location found on your hard drive using wget? Read more

Source: unix.stackexchange.com
How to change linux scheduling policy for user systemd file?

Published: 29/05/2020

I have a user level systemd service running, aka under ~/.config/systemd/user/ but I want to change scheduling policy for this service, in a self-contained way, that is, i want it set on boot, and I d ... Read more

Source: unix.stackexchange.com

how do I cd into a directory called "."

Published: 29/05/2020

I'm doing OverTheWire and looking for a password hidden somewhere on the server. I did ls -a to view the hidden contents inside the current directory and received this as the output: I checked the fil ... Read more

Source: unix.stackexchange.com
Latex Beamer compilation error [migrated]

Published: 29/05/2020

I freshly installed Linux min 19.3, full texlive. Strangely enough, any beamer file produces tons of errors when compiled. For example, if I compile the following MWE \documentclass[beamer,usepdftitle ... Read more

Source: unix.stackexchange.com

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