Disable ipv6 on Linux Machine Rumi, June 18, 2022 Disable on Centos/RHEL system: 1. Append below lines in /etc/sysctl.conf: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 NOTE : To disable IPv6 on a single interface add below lines to /etc/sysctl.conf : net.ipv6.conf.[interface].disable_ipv6 = 1 ### put interface name here [interface] net.ipv6.conf.default.disable_ipv6 = 1 2. To make the settings affective, execute : # sysctl -p Disable on Debian/Ubuntu system: One method to make this option persist is modifying /etc/sysctl.conf. Add the following lines to the file: net.ipv6.conf.all.disable_ipv6=1 net.ipv6.conf.default.disable_ipv6=1 net.ipv6.conf.lo.disable_ipv6=1 For the settings to take effect use: sudo sysctl -p Related Administrations Configurations (Linux) CentOSDebianIPv6Ubuntu
Disable FirewallD and Enable Iptables on CentOS 7 December 28, 2019 Download and Install the Iptables Service To begin your server’s transition, you need to download and install the iptables-service package from the CentOS repositories. Download and install the service files by typing: sudo yum install iptables-services This will download and install the systemd scripts used to manage the iptables service…. Read More
zimbra admin password reset October 4, 2012 To reset the administrative password: su – zimbra zmprov sp <admin email address> <new password> To get a list of all administrators: su – zimbra zmprov gaaa To access the admin console: https://YOURHOST:7071 Remember that the administrative console (sometimes) requires a full email address as the login name, so you… Read More