We know we can create hard link in Linux using ln file1 file2 which will make file2 a hard link of file1. However when I try to do this by using a C program, I face issues. Below is the C code. After compiling this program with gcc I run it as below. Here file1 exists and file2 is the
Awk asking combine two files
I have combined two different files with Same Key by AWK command. And In case there is no key match compare to File1 and File2 then just put “ttt” instead. I have below AWK command. Example Combine File1 File2 Then Expected result My AWK Command Show I already tried to do few way like below But lo…
HLS (apple http stream) video download
I have video in HLS format. And I would like to save it to disk. I want to see it with VLC offline with no adds. 🙂 Is there a simple way to do it? ( I am using Linux mint so it easy to run scripts) Thanks in advance. Answer The tricky part is to find the cookie given
How do I create a file in FUSE in C?
For an assignment we have to build a FUSE file system using C. I am trying to create an empty file in the mountpoint directory that I have mounted when I start fuse but it’s not working. I tried placing the following inside my own implementation of the fuse init function: After I had done that, what hap…
C program works on my Ubuntu VM terminal but not on school Linux server?
I have this C program that runs perfectly on my Ubuntu Virtual Machine but does not run at all(doesn’t prompt user for input, just finishes) on the school Linux server. School Linux version: Linux 2.6.18-371.9.1.e15 x86_64 My Ubuntu VM version: Linux 3.16.0-33-generic x86_64 Here is the program: Any ide…
glfw makefile fails upon “generating html documentation” on Ubuntu
I am trying to compile and install glfw 3.1.1 for Ubuntu 14.10. The cmake finished successfully, however, when I go to execute the makefile through make it fails at the following: At first I thought that it is failing an optional step but then I realized that I can’t compile my test project as it compla…
“less” consumes lots of RAM for a piped output on gzipped file, why?
Excuse me for useless cat and echo upfront, but while running less on a ~2GB .gz file I’m seeing ~25GB of RAM getting consumed (despite the output being piped into awk and consumed there): I expected above to complete without any need for RAM, but to my surprise here is how it looked like ~2.5h later (b…
Run an executable from Ubuntu to Debian
I have a project in C++, but my data is just too big for my computer. So, I tried to build my project in a desktop in our lab, but the compiler is too old (4.3.5 and I had 4.8.1 when I developed my code). I do not have the rights to upgrade and the people that do have the
Merge two lines into one and add character
I’v got a output like: I need to merge the strings and add symbol “R” betwen them like: How i can do it? Thanks Update. Sorry. Here is the comand Here is the output: I need output like: Answer
How to port forward in Docker container?
I’d like to forward 8080 port to 80 with iptables in a Docker container. In the build I have an error message as you can see below. Here is the Dockerfile: Here is the output: Thank you in advance for any help you can provide. Answer First, running an iptables command during the docker build process wou…