How to do in Linux

No Route to Host error and solution I am getting error that read as No Route to Host. I am trying to ping my ISP gateway as well as DNS server but I am getting this error. How do I solve this problem? Make sure firewall is not blocking your access iptables is default firewall on Linux. Run following command to see what iptables rules are setup: # /sbin/iptables -L -n You can temporary clear all iptables rules so that you can troubleshoot problem. If you are using Red Hat or Fedora Linux type command: # /etc/init.d/iptables save # /etc/init.d/iptables stop If you are using other Linux distribution type following commands: # iptables -F # iptables -X # iptables -t nat -F # iptables -t nat -X # iptables -t mangle -F # iptables -t mangle -X Finally make sure you are using a router and not a proxy server. Proxy servers are good for Internet browsing but not for other work such as ftp, sending ICMP request and so on.

How to Fix error for MySQL 5.7 with Ubuntu 18.04 : ERROR 1698 (28000): Access denied for user ‘root’@’localhost’ In Ubuntu systems running MySQL 5.7 (and later), the root user is authenticated by the auth_socket plugin by default. $ sudo mysql #No Username to be the provide mysql> USE mysql; mysql> SELECT User, Host, plugin FROM mysql.user; +------------------+-----------+-----------------------+ | User             | Host      | plugin                | +------------------+-----------+-----------------------+ | root             | localhost | auth_socket           | | mysql.session    | localhost | mysql_native_password | | mysql.sys        | localhost | mysql_native_password | | debian-sys-maint | localhost | mysql_native_password | +------------------+-----------+----...