From owner-freebsd-hackers@freebsd.org Wed Jan 31 16:07:36 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6B90BED3BE7 for ; Wed, 31 Jan 2018 16:07:36 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from outbound1a.eu.mailhop.org (outbound1a.eu.mailhop.org [52.58.109.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id EFA8B6B473 for ; Wed, 31 Jan 2018 16:07:35 +0000 (UTC) (envelope-from ian@freebsd.org) X-MHO-User: d37e6f08-06a0-11e8-91c6-33ffc249f3e8 X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 67.177.211.60 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (unknown [67.177.211.60]) by outbound1.eu.mailhop.org (Halon) with ESMTPSA id d37e6f08-06a0-11e8-91c6-33ffc249f3e8; Wed, 31 Jan 2018 16:07:26 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id w0VG7Oqm001485; Wed, 31 Jan 2018 09:07:24 -0700 (MST) (envelope-from ian@freebsd.org) Message-ID: <1517414844.1517.59.camel@freebsd.org> Subject: Re: Trouble running sudo or (less ) after After making serial settings From: Ian Lepore To: ali reza zareian , freebsd-hackers@freebsd.org Date: Wed, 31 Jan 2018 09:07:24 -0700 In-Reply-To: <1517414600.1517.57.camel@freebsd.org> References: <1517414600.1517.57.camel@freebsd.org> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.18.5.1 FreeBSD GNOME Team Port Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jan 2018 16:07:36 -0000 On Wed, 2018-01-31 at 09:03 -0700, Ian Lepore wrote: > On Wed, 2018-01-31 at 15:51 +0330, ali reza zareian wrote: > > > >  hello > > After making serial settings and boot using serial via putty, it is > > not > > possible to run sudo command.when i run this command without any > > parameters > > it should be print help but it is waiting for a key of the > > keyboard. > > if i send ctrl+c then output strings are printed. > > > > Code: > > > > settings : > > boot.config =>-S115200 -D > > ---------------------------------------------- > > /etc/ttys =>ttyu0   "/usr/libexec/getty std.115200" > > vt100   onifconsole secure > Try changing std.115200 to 3wire.115200 to disable flow-control.  I > have no idea whether that's the problem, but it's a quick easy thing > to > try. > > -- Ian Hrm, on second thought... you mention the trouble is with running sudo and less... both things that want to do some terminal-control (blank password, scrolling, etc).  Make sure putty is configured to emulate a vt100 properly.  Maybe try some other kind of terminal emulation. -- Ian