Perhaps this seems silly, but when I run which node today it gives me something quite different as instead of something as However when I run sudo which node: I am wondering how this could happen? My Silly Questions how which command works to locate the path for the command; which node exactly selected based …
Tag: linux
Can’t create image of linux vm in azure – generalizing erases my work
I’m obviously missing something VERY basic in my logic. Can someone help. My problem: I create a Linux VM in Azure through the Azure CLI. I ssh in, and provision my VM with the packages/programs I want (i.e. downloading Anaconda, Keras, etc.) PROBLEM – When I follow steps to capture an image (AZ_c…
In output, echo command printed new line when after printed variable
This is my small bash script code and i want to print the number of files created in the directory : My expected output is : but i got the below output: can you help what went wrong in my above code? Also please suggest if this is the correct way to print the number of files in the directory
Why does running C code in Vim skip scanf()?
I’m using neovim in arch linux with the gcc C compiler, this is what I use in my .vimrc to compile and run map <F5> :w <CR> :!gcc % -o %< && ./%< <CR> The issue is that my code will run fine but any scanf() functions won’t prompt an input and will be ignored as the …
C socket programming errors
It’s been an hour since I started looking for THE error. I just started C sockets. The program exits with code -1 after printing “Error 1 connection error”. The server in online, it’s a netcat server. Where did I messed up ? Answer Due to operator precedence, the expression is actually…
Difference between sudo git pull and sudo git pull git@bitbucket.org:user/project.git
I’m trying to pull code off a remote bitbucket repository to my master branch on Linux server. Don’t understand the difference between the following 2 approaches to pulling code (connecting to bitbucket via SSH): Both approaches seem to update the local master branch (on Linux server) with code fr…
How do I check if a file is an executable in nim?
How do I check if a file is an executable on Linux using Nim? Thanks in advance. Answer You can use getFilePermissions and check if a certain FilePermission is in the set it returns. You’d probably want to check if all three different Exec variants are in it:
How can I execute two commands in terminal using Python’s subprocess module?
How can I use the subprocess module (i.e. call, check_call and Popen) to run more than one command? For instance, lets say I wanted to execute the ls command twice in quick sucession, the following syntax does not work returns: Answer You can use && or ;: The difference is that in case of && t…
Shell Script : Send html formatted email while inside an array
I am trying to send html formatted email via shell script while reading a tab separated text file in array and need some help. I can see there were multiple similar question on forum and I also have multiple working scripts which can send html emails but I am not able to fit that code when I am inside an
How can you run an html file with its javascript content on Linux terminal?
I am working on a website crawler bot which extracts a specific information from them. And I need to run at least “on document ready” javascript function on an html file, so that the content is generated and I can get it. How can I do this? I saw about a command called “rhino” but it s…