firewall-cmd --zone=public --add-port=80/tcp firewall-cmd --permanent --zone=public --add-port=80/tcp firewall-cmd --reload $ firewall-cmd --zone=public --remove-port=10050/tcp $ firewall-cmd...
Fix Cyberpanel email SSL has expired
Check if SSL is good openssl s_client -starttls smtp -showcerts -connect mail.domain.com:25 -servername mail.domain.com Also, you can check email SSL here If the Let's encrypt certificate has...
Allow user to RWX permissions to home folder
setfacl --recursive --modify u:someuser:rwx,d:u:someuser:rwx /home Or setfacl -R -m u:someuser:rwX /home Learned from here , here and there
Adding Linux Users to Sudoers File Manually
sudo visudo # User privilege specification root ALL=(ALL:ALL) ALL test ALL=(ALL:ALL) ALL # Members of the admin group may gain root privileges
Connect SSH to server via Terminal
ssh -lroot -p22 <ip address>
Linux Mint laptop WiFi loosing signal
https://unix.stackexchange.com/questions/269661/how-to-turn-off-wireless-power-management-permanently#315400
VirtualBox lan settings
CentOS (RHEL), NginX and SELinux settings
To be able to use NginX without disabling SElinux use next
Installing Webin on Linux Servers RHEL
Add this code to the therminal (echo "[Webmin] name=Webmin Distribution Neutral baseurl=http://download.webmin.com/download/yum enabled=1 gpgcheck=1 gpgkey=http://www.webmin.com/jcameron-key.asc"...
First thing to do after installing Linux Server RHEL
To add a user to the Linux use this command useradd -g wheel new_username -g means to add a new user to the 'wheel' group which is the sudo-root group, more info can be found here:...