How do I disable ipv6 on Ubuntu 20.04
To disable IPv6 on your Ubuntu 20.04 system, open the
/etc/sysctl.conf file in
your favorite text editor and put the following lines at the end of the file:
net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1
Then restart your system, and changes will take effect.
Error Permission denied (publickey) when I try to ssh
This error appears when trying to SSH into a server. The publickey in the brackets after the error message is misleading. One reason might be wrong configuration in sshd_config file and the second ...Questions
Copy SSH key to clipboard
An SSH key is usually stored in the form of a file. To copy an SSH key to your clipboard, you can use one of the following options: Option 1 - Copy from terminal The first option is to print the ke...Questions
Redis on Ubuntu
Here is how to install Redis on Ubuntu 20.04 in under 2 minutes: Step 1 - Update package index Start by updating the package index on your system: sudo apt update apt update downloads the package l...Guides
MariaDB on Ubuntu
Here is how to install MariaDB on Ubuntu 20.04 in under 2 minutes: Step 1 - Update package index The first step in the installation process is to update the package index on your system. apt update...Guides
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