I’m trying to write a bash script that polls btmon for device connections. I’ve got a working solution, but it’s absurdly slow, and it seems like the issue is grep being very slow to exit after finding a match (around 25 seconds). What can I do to either speed grep up or avoid using it altogether?
I have created a really really short life temporary directory that I wanted to share between some users for a few hours : /some/path/tmp
I am trying to understanding the concept of special files on Linux. However, having a special file in /dev seems plain silly when its function could be implemented by a handful of lines in C to my knowledge.
I have generated and downloaded a private .pem key from AWS. However, to use Putty in order to connect to the virtual machine, I must have that key in .ppk format. The process of conversion is detailed in roughly 20 lines here:
When I am looking to create a new partition table, I have the following options:
I have made a Java program that could open any application. Suppose there is a file name “*.jpg”, the it would allow the OS to recognize the type of application and then open the default application. Another example: Suppose the file’s name is “*.flv”, then it would open up the default media player just like when you click an icon in nautilus but the only difference was that it was in command line. Here is the java program for that:
I’m trying to understand what cp --preserve=links does when used by itself, from my tests it seems that it copies a normal file normally and dereferences symlinks, but it seems like it just has the same effect as cp -L when used on a single file.
We know that users’ passwords are saved in /etc/passwd, but in an encrypted way, so even the root can’t see them:
Changing the source.list >> header to kali rolling repository.
How to disable system beep on Linux? I don’t have superuser powers so I cannot recompile kernel/unload module.