![]() I'm shuddering to read about ideas of copy a what is supposed to be a Web application to /root or to /usr/bin. ![]() just "blindy" using copy or move commands workable on generic U*x platforms will cause issues on an embedded system as we have here on the QNAP NAS. If you are not a sudo user, you are still able to switch to the root user account only if you know the root account password as shown. And then the fact that QNAP does not add each and every binary path to the path variable, and you might have to call the binary by using it's relative or full path. QNAP does offer Mono for x86 based (Intel, AMD) NAS models only - either form the App Center, or form the community builds ->. On the QNAP NAS, admin _is_ running as uid:0 - so no need for sudo. sudo is a program for U**x-like computer operating systems that allows users to run programs with the security privileges of another user, by default the user with hte uid:0, often named root. To keep the story short - here the part applicable to U**x-derivatives, to the QNAP NAS in general, and your TS-212 in special. Now, whether I use sudo or not, $HOME always points to /home/user instead of /home/root.Appears a pre-requirement for CumulusMX is the availability of Mono. Now I ran sudo visudo and added this line: This includes setting HOME to the home directory of the target user and invoking a login shell. If you run sudo -i, sudo simulates an initial login. (It would set HOME if it was unset, but sudo always sets HOME one way or another.) The shell will never override the value of HOME. You can always choose to override HOME for a given call to sudo by passing the option -H. These options can be set for a given source user, a given target user or a given command see the sudoers manual for details. set_home is like always_set_home, but only applies to sudo -s, not when calling sudo with an explicit command.This option has no effect if HOME isn’t preserved anyway. always_set_home, if set, causes HOME to be overridden even if it was preserved due to env_reset being disabled or HOME being in the env_keep list.If the sudo group is part of your current groups, it means that you should be able to execute the commands listed below. Resetting environment variables is often necessary for rules that allow running a specific command, but does not have a direct security benefit for rules that allow running arbitrary commands anyway. Using the passwd command Locking & Unlocking Root Account Changing the root password Disabling Root Login over SSH Conclusion Prerequisites For most of the commands used in this tutorial, you will need sudo privileges. env_reset determines whether environment variables are reset at all.Use Defaults env_keep += "HOME" to retain the caller’s HOME environment variable or Defaults env_keep -= "HOME" to erase it (and replace it by the home directory of the target user). env_keep determines which environment variables are preserved.You can override this behavior in the sudoers file. Thus sudo -s preserves HOME on Ubuntu, while on Debian HOME is erased and sudo then sets it to the home directory of the target user. One of the differences between the configuration in Debian wheezy and in Ubuntu 12.04 is that the HOME environment variable is preserved in Ubuntu but not in Debian both distributions erase all environment variables except for a few that are explicitly marked as safe to preserve. You can list the settings in your version with sudo -V. ![]() If you are running Ubuntu 18. NVIDIA GPU with Architecture > Fermi (2.1) The NVIDIA Container Toolkit for Docker configured with the root option. Sudo has many compile-time configuration options. Ubuntu 16.04, Ubuntu 18.04 or Centos 7 with the IPMI driver enabled and the Nouveau driver disabled. I first created a new environment variable using sudo nano /etc/environment but then that variable is only available to sudo and not to commands run without sudo. The main advantage of this is that if someone steals your laptop, they can run smartctl -a /dev/sda as root, but otherwise only has your user privileges. setuid executables are run as root, no matter which user executes them. It took me a while to figure this out as the cause. For somewhat less of a security nightmare than putting the root password in a script, you can use a setuid executable. This behaviour even caused all my docker container volumes to appear in the root home folder, creating all sorts of access denied and fatal exception issues. I understand this is not how Ubuntu normally behaves, it is how Debian behaves. When I use sudo to execute a bash script, the sudo commands within that script translate $HOME to /home/root instead of the currently/single/default/admin logged in user. Its best to split your post-commit script into two parts, one of which will be run through sudo. I recently bumped into trouble after starting to use common environment variables in post-install scripts.
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