<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Denis,<br class=""><div class="">
<div dir="auto" style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div></div></div></div></div></div></div></div></div></div></div><div><blockquote type="cite" class=""><div class="">On Feb 6, 2021, at 06:27, Denis Bitouzé <<a href="mailto:denis.bitouze@univ-littoral.fr" class="">denis.bitouze@univ-littoral.fr</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Le 06/02/21 à 12h12, Denis Bitouzé a écrit :<br class=""><br class=""><blockquote type="cite" class=""><blockquote type="cite" class="">There's one thing that might cause an unwary user to have a problem.<br class="">Sudo needs to be run from an administrator user account. It won't<br class="">work from an ordinary non-administrative user account, and the error<br class="">message is not very informative.<br class=""></blockquote><br class="">The should be the trick: thanks!<br class=""></blockquote><br class="">Well, sorry for my ignorance:<br class=""><br class="">- Does it mean the user has to quit the session and to log to a new one<br class=""> as an administrator?<br class=""></div></div></blockquote><div><br class=""></div>You can switch to an administrator using the login switcher in the top menu</div><div><br class=""><blockquote type="cite" class=""><div class=""><div class="">- Or is it possible, in a non-administrative user session, to launch<br class=""> a terminal as an administrator?<br class="">- Or is it possible, in a non-administrative user session and in<br class=""> a terminal open as an non-administrative user, to switch as an<br class=""> administrative user (sort of `su` in Linux context)?<br class=""></div></div></blockquote><div><br class=""></div>If you are thinking of doing an ’su -l <adminname>’ and then sudo from there, maybe. The ’su’ man page says admin and wheel group membership is required to su to root, but it doesn’t otherwise specify.</div><div><br class=""></div><div>—Ettore</div><div><br class=""></div><div><div class=""><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; widows: 2; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; text-align: -webkit-auto; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; text-align: -webkit-auto; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; text-align: -webkit-auto; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><font face="Osaka" class=""><span style="font-size: 12px;" class="">Ettore Aldrovandi</span></font></div><div class=""><font face="Osaka" class=""><span style="font-size: 12px;" class="">Department of Mathematics, Florida State University</span></font></div><div class=""><font face="Osaka" class=""><span style="font-size: 12px;" class="">1017 Academic Way * <a href="http://www.math.fsu.edu/~ealdrov" class="">http://www.math.fsu.edu/~ealdrov</a></span></font></div><div class=""><font face="Osaka" class=""><span style="font-size: 12px;" class="">Tallahassee, FL 32306-4510, USA * * aldrovandi at math dot fsu dot edu</span></font></div><div class=""><font face="Osaka" class=""><span style="font-size: 12px;" class=""><br class=""></span></font></div></div></div></div></div></div></div></div></div></div></div></div><div><br class=""></div></body></html>