I’m implementing a libfuse filesystem. When a file is opened, I read the file attributes and store them in a hash table keyed with the file handle I generate. This serves two purposes: to maintain a collection of open file handles and to cache the information I retrieve during opening. Of course, nothin…
PHP Code Is Not Executed For PHP 7.2 On Aws Ec2 Instance
I am trying to install php on aws ec2 instance. Since php 7.2 is not available, I used following commands to enable few repos as suggested in this Link sudo yum install epel-release sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm sudo yum install yum-utils Then I enabled a remi repo to…
Is it possible to invoke one internal proc from another in Tcl?
This question occurred to me when I had to make changes to the source code of a Tk. Where, there was only one proc when invoked brought the result to aframe widget. However, due to improvements in the internal code, this has affected the GUI [Tk]. In the way you presented the results, you now do nothing but p…
Find if a shell variable contains specific string and comment it
I want to write a script that looks for a variable and checks if it contains exact string and comment it if exists. I have tried using sed and grep but it hasnt worked for me yet. My script for deleting: JV_PAT contains the path were java in installed excluding the /bin JAVA_LOC = /data/jdk1.8.0_111/bin/java …
Got error “passwords do not match” using passwd in docker [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
Is it possible to get command arguments now executing?
I want to declare aliases which append argument if no argument specified. For example, I expected executing vimtutor with no argument is replaced to vimtutor ja.utf-8, but it doesn’t work properly. So, I tried some tests on bash shell. And I understood it is impossible to get command arguments now executing i…
How to access a port exposed from a docker container?
Above outputs show that the port 5000 has been exposed (I hope). Now when I do from the host machine: What is the way to access that port since it is exposed and the container is running? Answer First of all, check if you have an application, listening to the port inside your container. Just try to connect to…
Delphi 10.3 Linux exclusive file access
How can I lock a file in Linux with a filestream? Creating a filestream like in the example below works perfectly in Windows, the file is locked and cannot be deleted or written to in other sessions until the stream is freed. Under Linux I can delete the file or write to it in an other session without any pro…
Make DateTime.Now Display European Format Globally on Linux
I’m running a .NET Core app which contains DateTime.Now.ToString(). When on my PC it displays European date format (dd/mm/yy) but when running on a Linux VM located in the US it displays American date format (mm/dd/yy) despite the timezone on the VM being GMT. How can I make it display only European dat…
bpftrace: uprobe target file does not exist or is not executable
I want to use bpftrace to trace functions inside libasan library, which is inside /usr/lib/x86_64-linux-gnu/. However sudo bpftrace -e ‘uretprobe:/usr/lib/x86_64-linux-gnu/libasan.so.4: __interceptor_malloc { printf(“pid: %d, malloc %pn”, pid, retval); }’ gives error: uprobe target fil…