<div><div>Greetings.<br></div><div><br></div><div>I'm a very new ubuntu user and im trying to download a basic-scheme texlive install however I've run into problems when trying to use tlmgr to download packages I get the message "/usr/bin/tlmgr:<span style="color: rgb(34, 34, 34); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;"><span class="font" style="font-family:Arial, "Helvetica Neue", Helvetica, sans-serif"><span class="size" style="font-size:14px"><span> </span>u</span></span></span>nexpected return value from verify_checksum: -5"</div><div>After a bit of searching online i found this post <br></div><div><a href="https://tex.stackexchange.com/questions/528634/tlmgr-unexpected-return-value-from-verify-checksum-5">https://tex.stackexchange.com/questions/528634/tlmgr-unexpected-return-value-from-verify-checksum-5</a><br></div><div>however even after adding the lines <br></div><div><br></div></div><div><span style="color: rgb(255, 255, 255); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.2px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(24, 24, 24); text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;"><span class="font" style="font-family:Roboto, Arial, sans-serif"><span class="size" style="font-size:14px">export PATH=$PATH:/usr/local/texlive/2021/bin/x86_64-linux
export MANPATH=/usr/local/texlive/2021/texmf-dist/doc/man
export INFOPATH=/usr/local/texlive/2021/texmf-dist/doc/info</span></span></span><br><br>to .bashrc accessed by:<br><br>$ cd<br>$ vim .bashrc<br><br>when using <br><br>$ echo $PATH<br><br>It returns <br></div><pre style="color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; overflow-wrap: break-word; white-space: pre-wrap;">/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/local/texlive/2021/bin/x86_64-linux:/usr/local/texlive/2021/bin/x86_64-linux

which im guessing means that it has been added to PATH as instructed by the post?</pre><div><div>however running<br><br>$ <code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 19.5px; font-family: inherit; font-size: 13px; vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit;" class="hljs language-latex">sudo env PATH="<span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; vertical-align: baseline; box-sizing: inherit; color: var(--highlight-literal);" class="hljs-built_in"><span class="font" style="font-family:inherit"><span class="size" style="font-size:13px">$</span></span></span>PATH" ./update-tlmgr-latest.sh</code><br></div><div>returns</div><div>"Verifying archive integrity...Error in MD5 checksums: 658d7ba1e8ac697d6df7dbd5f6bb58ad is different from 37070fa51acca146e95ff2e2fff2fa77"<br><br>and<br></div></div><pre style="margin-top: 0px; margin-right: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); margin-left: 0px; padding: 12px; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; line-height: 1.30769; font-family: var(--ff-mono); font-size: 13px; vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: 5px; color: var(--highlight-color); overflow-wrap: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" class="lang-tex s-code-block"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 19.5px; font-family: inherit; font-size: 13px; vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit;" class="hljs language-latex">$ sudo kpsewhich --var-value=SELFAUTOPARENT</code><br></pre><div>still returns just a /<br><br>and if I try to install a package with<br><br>$ tlmgr install siunitx<br><br>it still returns <br>Im pretty much out of ideas for what to try at this point. If anyone can tell me what I am doing from it would be much appreciated<br><br>Best regards</div><div><div><br></div></div><div class="protonmail_signature_block"><div class="protonmail_signature_block-user protonmail_signature_block-empty"></div><div class="protonmail_signature_block-proton">Sent with <a href="https://protonmail.com/" target="_blank">ProtonMail</a> Secure Email.</div></div><div><br></div>