need to run a Linux command over 20 servers using a root user and password in Ansible too. How do I pass a user and password in Ansible over ssh based session? How can I set a default Ansible username/password for ssh connection?
I am trying to remove a directory named data in my $HOME. However, I am getting an error that read as ‘rmdir: data/: Directory not empty‘. How do I delete a non-empty directory in bash terminal running on Linux operating system?
am a new Linux user. I wanted to find the text called “foo” and replaced to “bar” in the file named “hosts.txt.” How do I use the sed command to find and replace on Linux or UNIX-like system?
wanted to see if a specific port of a desktop computer or server is open from a Linux or Unix command line shell. How do I ping a specific port? Is it possible possible to ping an 192.168.1.254:80 or 192.168.1.254:23 ports?
am a new Debian Linux server user. How can I display a log of actions taken by the apt-get command
or apt command
or dnf command or yum command
software management command?
am a new Linux user and for security reasons and to avoid ransomware, I would like to disable the SMB1 protocol in samba configuration on a CentOS Linux version 7 server. Is it possible to disable SMBv1 on a Linux or UNIX-like operating system?
ow do I install Gixy for Nginx configuration static analyzer on GNU/Linux operating system to to prevent security misconfiguration and automate flaw detection?