I am trying to find files that contain a certain string in a current directory and make a copy of all of these files into a new directory. My scrip that I’m trying to use I am unable to copy and the output message is: Answer Edit: After clearing things up (see comment)… What you’re doing is …
Why dd can’t handle sparse files in shell scripts? [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 4 y…
Why are 14 bytes of random data appended to a raw ethernet frame?
I’m sending a raw Ethernet frame to the loopback interface (Linux ubuntu 4.15.0-34-generic) with the following python code: (We use a custom Ethernet type 0x6666, but using the packet length (50) as specified by the Ethernet II frame format has the same outcome) I would expect to see a packet of length …
Add Carbone to Docker image
I have installed Carbone on my local Linux machine using the following command and it is working properly. Now, I need to add carbone in my docker image, but I don’t know how to add it to the image. Should I add the npm install command to DockerFile or add it to package.json? I got the following error i…
Cannot install Flask with pip on my Raspberry Pi
I am trying to install Flask on my Raspberry Pi, but it seems that this is not possible anymore with the command: sudo pip install flask . I always return this message: Does anybody have an idea what’s going wrong? Answer This problem is described here. In short, the fix is to set date correctly, eg: su…
Why does the free() function not return memory to the operating system?
When I use the top terminal program at Linux, I can’t see the result of free. My expectation is: free map and list. The memory usage that I can see at the top(Linux function) or /proc/meminfo get smaller than past. sleep is start. program exit. But The usage of memory only gets smaller when the program …
get most recent file (with same name) in subdirectories
Suppose you have 10 projects in subdirectories project_1, …, project_10, all in parent directory projects. All projects use the same lib, in project/project_n/lib/mylib For particuliar reasons, mylib has to be copied in each project directory. mylib files are modified from time to time when working in d…
IF statement for different lines [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 4 years ago. Improve this question Question is simple, but I can’t find a fast and elegant way to solve. I want to decide…
List and change directory and run command in Shell
I am coming back to shell after almost 6 years or so. I have a directory structure let’s say, MainDirectory –> subDirectory1/some.xml –> subDirectory2/some.xml … … –> subDirectoryN/…
C realloc assertion
Not sure why I’m getting the following error when trying to use realloc: malloc.c:2401: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize – 1)…