Could anyone explain this code? page_idx = page_to_pfn(page) & ((1 << MAX_ORDER) - 1); page_to_pfn() have already return the page_idx, so what does
I know that this is not something that should ever be done, but is there a way to use the slash character that normally separates directories within a filename
I need to copy all *.jar files from a directory maintaining the folder structure of the parent directories. How can I do it in UNIX/Linux term
I'm using putty on a Linux machine. My usual method for searching in vi is entering the slash /, then my search string, enter, then go through all the matches b
I am currently running Ubuntu 18.04 on Hyper-VM, and I need to run a rack proxy server, I am using ruby 2.2.0 and rails 4.2.11. The first option I found was pra
I encountered a problem with my terminal where when I paste text, it is prefixed by 00~ and suffixed with 01~. For example, I will highlight text and push Comm
I'm running an embedded Linux board with a console only (no graphical environment) based on the i.MX6 and a custom Yocto build. I'm trying to stop the screen f
I've got a problem about creating a directory within a linux kernel module. What I want: Creating a directory within a kernel module. Here is my actual code:
I'm on a linux server and admin user. There're many admin users using this machine at the same time. So under current bash command line, how t
Good evening Community, I am in despair because I cannot install MariaDB on Debian10. There are similar Stackoverflow questions but none of them helped to solv
I was assigned to Write a C program that prints the following identifiers PID, PPID, SID, PGID, UID, EUID. The assignment then went on to ask What rep
I've a very basic Linux script (/home/scripts/script.sh): #!/bin/bash echo 'a' | /bin/netcat -vv 10.10.10.1 3333 echo "done" > /tmp/result When I try to r
I use the command wc -l count number of lines in my text files (also i want to sort everything through a pipe), like this: wc -l $directory-path/*.txt | sort -
I am writing a bash script which has a json value stored in a variable now i want to extract the values in that json using Jq. The code used is. json_val={"co
I am fairly new to Python and Azure web apps. Any help is appreciated. My setup: Program: Visual Studio code Language: Python-Flask Cloud provider: Microsoft
I added a cron job recently, but made a mistake in the path while giving the command and hence, the job never succeeded. Is there some way to test the cron chan
I am facing a problem in writing a shell script for android devices to be run only on sh present in the device (/system/bin/sh). I have written the following s
I'm trying to modify GTK2 on Ubuntu Oneiric. I download the source: apt-get source libgtk2.0-0 cd gtk+2.0-2.24.6/ I try to compile and overwrite the current
I'm trying to modify GTK2 on Ubuntu Oneiric. I download the source: apt-get source libgtk2.0-0 cd gtk+2.0-2.24.6/ I try to compile and overwrite the current
If I wanted to make a directory and change directory into it all in one line, I could do something like this: mkdir dir_name && cd $_ How can I do the