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<p>Thanks Harold. Responses inserted for ease and clarity. Many
thanks again<br>
</p>
<div class="moz-cite-prefix">On 4/22/19 9:23 PM, Harold Furbiter
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:trinity-aa3fac2b-31ed-4fa6-b84d-2db00843d10d-1555989798754@3c-app-mailcom-lxa03">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div>Here is a receipe for boot from an older kernel, and how
to set it to a default.</div>
<div> </div>
<div>
<div class="answercell post-layout--right">
<div class="post-text" itemprop="text">
<p>If you have a few Kernels in your system you can set
manually what Kernel version will start:</p>
<ol>
<li>
<p>Reboot your PC with pressed Shift button for
display GRUB after BIOS will start. You will see
something like: <a
href="https://i.stack.imgur.com/sSCzp.png"
rel="nofollow noreferrer" moz-do-not-send="true">GRUB
start page</a></p>
</li>
</ol>
</div>
</div>
</div>
</div>
</div>
</blockquote>
<i>I have booted into older kernels or safe mode this way in the
pas. Now I cannot reboot as all that comes up is the them color
screen, no login, nothing. So I have to do a hard shutdown. I do
not get a Grub menu holding down shift key upon starting. I get a
flat theme color screen. Nothing more</i><br>
<blockquote type="cite"
cite="mid:trinity-aa3fac2b-31ed-4fa6-b84d-2db00843d10d-1555989798754@3c-app-mailcom-lxa03">
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div>
<div class="answercell post-layout--right">
<div class="post-text" itemprop="text">
<ol>
<li>
<p>Select "Advanced options for Ubuntu" and memorize
index of this menu line(count starts from 0) On
the picture index is 1</p>
</li>
</ol>
</div>
</div>
</div>
</div>
</div>
</blockquote>
<i>Since I can't access Grub menu I can't do any of the following
except edit grub setup file, which I have not done because of
above issue</i><br>
<blockquote type="cite"
cite="mid:trinity-aa3fac2b-31ed-4fa6-b84d-2db00843d10d-1555989798754@3c-app-mailcom-lxa03">
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div>
<div class="answercell post-layout--right">
<div class="post-text" itemprop="text">
<p><a href="https://i.stack.imgur.com/yYhnM.png"
rel="nofollow noreferrer" moz-do-not-send="true">
2. Select concrete Kernel</a></p>
<ol start="3">
<li>
<p>Select concrete kernel for boot and also memorize
index of this menu line(count starts from 0) On
the picture index of chosen Kernel is 2</p>
</li>
<li>
<p>Start system. This action is for one boot on
concrete kernel. If you want to start from
concrete Kernel all time you should do next steps:</p>
</li>
</ol>
<p>4.1. Open and edit GRUB setup file:</p>
<pre><code>sudo nano /etc/default/grub
</code></pre>
<p>4.2. Find line GRUB_DEFAULT=...(by default
GRUB_DEFAULT=0) and sets in quotes menu path to
concrete Kernel(Remember menu indexes from steps 2 and
3). In my system first index was 1 and second was 2. I
set in to GRUB_DEFAULT</p>
<pre><code>GRUB_DEFAULT="1>2"
</code></pre>
<p>Save file.</p>
<p>4.3. Update GRUB information for apply changes:</p>
<pre><code>sudo update-grub
</code></pre>
<p>4.4. After reboot you automatically boot on Kernel by
chosen menu path. An example on my machine 1 -> 2</p>
<p>4.5. Check Kernel version after reboot:</p>
<p>uname -r</p>
</div>
</div>
</div>
<div>
<div name="quote" style="margin:10px 5px 5px 10px; padding:
10px 0 10px 10px; border-left:2px solid #C3D9E5;
word-wrap: break-word; -webkit-nbsp-mode: space;
-webkit-line-break: after-white-space;">
<div style="margin:0 0 10px 0;"><b>Sent:</b> Thursday,
April 18, 2019 at 10:54 PM<br>
<b>From:</b> "Brian O'Keefe"
<a class="moz-txt-link-rfc2396E" href="mailto:okeefe@cybermesa.com"><okeefe@cybermesa.com></a><br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:nmglug@lists.nmglug.org">nmglug@lists.nmglug.org</a><br>
<b>Subject:</b> Re: [nmglug] Weirdness</div>
<div name="quoted-content">
<div style="background-color: rgb(255,255,255);">
<p>Thanks again,</p>
<p>Tried them all to no avail</p>
<div class="moz-cite-prefix">On 4/15/19 6:33 PM,
Harold Furbiter wrote:</div>
<blockquote>
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div>You could try:</div>
<div>sudo /sbin/init 6 (see if it reboots)</div>
</div>
</div>
</blockquote>
reboots to a blank, colored screen, no log in
<blockquote>
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div>sudo /sbin/init 1 (see if it give you a
prompt)</div>
</div>
</div>
</blockquote>
Gives me a rescue mode prompt that I cannot use as I
can't enter any of the options
<blockquote>
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div> </div>
<div>maybe su to root and try init</div>
<div>sudo su - root (you need '- root' to
insure your path is root's)</div>
<div> </div>
<div>you might try booting from a older or
oldest kernel:</div>
</div>
</div>
</blockquote>
Can't access the grub menu for older kernels. Using
shift key during boot just gives me the blank colored
screen
<blockquote>
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div> </div>
<div>dpkg -l | grep linux-image | awk
'{print$2}'</div>
<div>
<div> </div>
<div>Gives you a list of bootable kernels
available on your system. Try booting from
the oldest version.</div>
</div>
</div>
</div>
</blockquote>
Is there a way to reboot from a terminal with an older
kernel as I cannot access the grub menu. this is a
recent issue, within the last couple of weeks.
<blockquote>
<div style="font-family: Verdana;font-size: 12.0px;">
<div>
<div>
<div> </div>
<div>Cheers,</div>
<div> </div>
<div style="margin: 10.0px 5.0px 5.0px
10.0px;padding: 10.0px 0 10.0px
10.0px;border-left: 2.0px solid
rgb(195,217,229);">
<div style="margin: 0 0 10.0px 0;"><b>Sent:</b> Saturday,
April 13, 2019 at 8:32 AM<br>
<b>From:</b> "Harold Furbiter" <a
class="moz-txt-link-rfc2396E"
href="mailto:wwcorigan@mail.com"
onclick="parent.window.location.href='mailto:wwcorigan@mail.com';
return false;" target="_blank"
moz-do-not-send="true"><wwcorigan@mail.com></a><br>
<b>To:</b> <a
class="moz-txt-link-abbreviated"
href="mailto:nmglug@lists.nmglug.org"
onclick="parent.window.location.href='mailto:nmglug@lists.nmglug.org';
return false;" target="_blank"
moz-do-not-send="true">nmglug@lists.nmglug.org</a><br>
<b>Subject:</b> Re: [nmglug] Weirdness</div>
<div>
<div style="font-family:
Verdana;font-size: 12.0px;">
<div>
<div>Then you have a corrupt kernel.
On boot try booting to an older
kernel.</div>
<div> </div>
<div>
<div><a
href="https://askubuntu.com/questions/82140/how-can-i-boot-with-an-older-kernel-version"
target="_blank"
moz-do-not-send="true">https://askubuntu.com/questions/82140/how-can-i-boot-with-an-older-kernel-version</a></div>
<div> </div>
<div> </div>
<div style="margin: 10.0px 5.0px
5.0px 10.0px;padding: 10.0px 0
10.0px 10.0px;border-left: 2.0px
solid rgb(195,217,229);">
<div style="margin: 0 0 10.0px 0;"><b>Sent:</b> Friday,
April 12, 2019 at 6:15 PM<br>
<b>From:</b> "Brian O'Keefe" <a
class="moz-txt-link-rfc2396E"
href="mailto:okeefe@cybermesa.com"
onclick="parent.window.location.href='mailto:okeefe@cybermesa.com';
return false;" target="_blank"
moz-do-not-send="true"><okeefe@cybermesa.com></a><br>
<b>To:</b> <a
class="moz-txt-link-abbreviated"
href="mailto:nmglug@lists.nmglug.org"
onclick="parent.window.location.href='mailto:nmglug@lists.nmglug.org';
return false;" target="_blank"
moz-do-not-send="true">nmglug@lists.nmglug.org</a><br>
<b>Subject:</b> Re: [nmglug]
Weirdness</div>
<div>
<div style="background-color:
rgb(255,255,255);">
<p>Thanks for the input
Harold,</p>
<p>Same result, just hangs on
the splash screen. Can't
logout, esc. key does
nothing, can't switch to a
console. Just have to do a
hard shutdown.</p>
<div class="moz-cite-prefix">On
4/11/19 8:59 PM, Harold
Furbiter wrote:</div>
<blockquote>
<div style="font-family:
Verdana;font-size:
12.0px;">
<div>Out of curiousity
have you tried init 0 ?
<div>
<div style="margin:
10.0px 5.0px 5.0px
10.0px;padding:
10.0px 0 10.0px
10.0px;border-left:
2.0px solid
rgb(195,217,229);">
<div style="margin:
0 0 10.0px 0;"><b>Sent:</b> Wednesday,
April 10, 2019 at
11:26 AM<br>
<b>From:</b> "Brian
O'Keefe" <a
class="moz-txt-link-rfc2396E"
href="mailto:okeefe@cybermesa.com"
onclick="parent.window.location.href='mailto:okeefe@cybermesa.com';
return false;"
target="_blank"
moz-do-not-send="true"><okeefe@cybermesa.com></a><br>
<b>To:</b> "NMGLUG.org
mailing list" <a
class="moz-txt-link-rfc2396E" href="mailto:nmglug@nmglug.org"
onclick="parent.window.location.href='mailto:nmglug@nmglug.org';
return false;"
target="_blank"
moz-do-not-send="true"><nmglug@nmglug.org></a><br>
<b>Subject:</b> [nmglug]
Weirdness</div>
<div>
<div
style="background-color:
rgb(255,255,255);">
<p>Hi All,</p>
<p>Since I may
not make
meeting (niece
visiting and
Thurs. is her
last day) I'm
putting my
issue out for
comment and
hopefully
answers. As
many of you
know I used to
updgrade
instead of
clean installs
and did that
since Ubuntu
6.04. I had
also added
many apps from
third parties
and also
modified many,
many conf
files to keep
things
working. I had
a meltdown and
lost much of
my data but
following a
partial
recovery,
thanks to a
certain group
member, I
installed a
clean version
of 18.04 onto
a new 1TB SSD.
I have ot
tinkered at
all with 3rd
party software
nor modified
any conf files
or been a bad
boy in any
way!</p>
<p>My issue ids
that I cannot
shut down my
box in anyway
other than a
hard shutdown.
I also cannot
restart it. I
have tried the
GUI option as
well as
switching to
text mode and
using "sudo
shutdown now"
or "sudo
restart now".
In those cases
I get the
splash screen
with the
"traveling
lights" and
Unutu but it
hangs there.
The traveling
dots hang on
the first dot
of the splash
screen and
nothing
happens. I had
hoped that
text mode
would give
give me an
indication of
the issues but
I can't stay
in that mode
for some
reason. </p>
<p>Thanks for
any help.</p>
<p>Brian</p>
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