{"tags":[{"tag":"p","content":"This fixed apt-get update&nbsp;<span style=\"font-size: 14px; color: var(--theme-body-font-color);\">W: GPG error&nbsp;<\/span><span style=\"font-size: 14px; color: var(--theme-body-font-color);\">The following signatures were invalid: BADSIG<\/span>"},{"tag":"textarea","content":"sudo apt-get clean\nsudo mv \/var\/lib\/apt\/lists \/tmp\nsudo mkdir -p \/var\/lib\/apt\/lists\/partial\nsudo apt-get clean\nsudo apt-get update","code_language":"shell"}]}