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
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
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: bash sudo apt update apt update downloads the pac...Guides
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