Starting point: Ubuntu 20.04 Gitolite (/home/git/) Webspace /var/www/webspace (usually owned by www-data:www-data) Git user (in www-data group and also tried without beeing in group) I want to update the webspace as git user with post-receive to a www-data directory. I had it archived before I installed Gitol…
What will happen if I change kernel configuration file in /boot? [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 …
Set Up Multi-Factor Authentication for SSH on Ubuntu 16.04, but NOT for root user
I followed this nice guide from digitalocean to set up Multi-Factor Authentication for SSH on Ubuntu 16.04 Server (No UI), after this every user on system when the login via ssh system expects additional authentication, if 2fa is setup everything works but if it isn’t setup it just fails (article did me…
Interrupt Handler Stops Working After Kernel Module Reload (Xilinx FPGA / PCIe)
I am currently working on a PCI driver for the Xilinx Kintex 7 board using the Xilinx PCI IP core (AXI Memory Mapped to PCIe). One problem is, that the interrupt handler stops working when I reload the kernel module. In more detail: Fresh boot of my machine Load the kernel module and monitor the kernel messag…
Upgrading SQL Server edition on Linux with a Server/CAL license. How does the license verification works?
I recently purchased a SQL Server 2019 Standard Edition – Server/CAL license which I want to use to upgrade my current installation of SQL Server 2019 Express on a CentOS 7 system. According to the FAQ I just need to re-run the mssql-conf configuration script and change the edition to Standard. It says …
How to ignore the error No such file directory in the ls command?
How to ignore the error No such file directory? Answer You are doing the following: This will do the ls, the first and the second cut, and when an error is generated at the second cut, it will be sent to the null device (which means it will be removed). If you want to remove the error message from any
Pipe between a C and a Python program
I am currently trying to write a C program that interacts with hardware, I have chosen so since the manufacturer of the hardware supplies with a C SDK for this hardware. However, I want this C program to output the data it receives from the hardware (a sensor for example) to a pipe so that I can write a Pytho…
Why is subprocess ignoring PATH, and how can I change this?
I need to change which program is called by a Python application. Unfortunately I cannot change the Python code. I can only change the calling environment (in particular, PATH). But unfortunately Python’s subprocess module seems to ignore PATH (at least under certain circumstances). How can I force Python to …
Crontab not able to call mailx used via python subPrrocess
I have a python file (say, mail_it.py) in which I have written a function to send the mails. Code is as below:- When I run this python file directly via unix command: It sends the mail. But when I set this file to run via crontab. I get the following error: Thanks in advance! Answer this is a problem with
is shell_exec() sub-process supposed to inherit euid?
i’m running php-cli 7.3.19 as root (on a Debian 10 Buster, linux kernel 4.19.0-8-amd64), and after using posix_seteuid() to change my euid, is sub-processes supposed to inherit my euid? i thought the answer was yes, but testing it, it seems whoami inherits my uid as it’s euid, rather than inheriti…