[clug] Removing older kernels -> Ubuntu & space

Bryan Kilgallin bryan at netspeed.com.au
Sat Aug 15 07:23:36 UTC 2015

Thanks, Scott:

> Are you running Ubuntu 14.04.3 (Trusty Tahr)?
> lsb_release -d
>> No, that reported as follows.
>> Ubuntu 12.04.5 LTS
> OK.... you seem to be mixing releases (not necessarily a bad thing).

I would like to optimise my set-up.

>> My PC has processor: IntelĀ® Pentium(R) 4 CPU 2.80GHz. Which is
>> reportedly 32-bit.
> Offhand I don't know.
> To check run the following - if the response is "lm" then your CPU
> supports 64-bit:-
> grep -ow 'lm' /proc/cpuinfo | sort -u

That returned null.

>> And therefore unable to run Ubuntu 14.04.
> Oh Reilly? ;)
> You have been misinformed. Trusty Tahr *is* available in 32-bit (which
> you should have noticed anyway given that you *are* running the kernel
> from that release.

My non-comprehension of such technicalities, is why I have requested 
explanations. Please remind me how to upgrade to 32-bit Trusty.

> What is the output of:-
> df -h

Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1        36G  3.7G   31G  11% /
udev            491M  8.0K  491M   1% /dev
tmpfs           100M  816K  100M   1% /run
none            5.0M     0  5.0M   0% /run/lock
none            500M  200K  500M   1% /run/shm

> What is the output of:-
> deborphan

I installed that program. And then I ran it. It responded null.

> What is the output of:-
> du -h /var/cache/apt/archives

4.0K    /var/cache/apt/archives/partial
428K    /var/cache/apt/archives

> What is the output of:-
> cat /etc/apt/sources.list{,.d/*}|grep '^[^$\|^#\|^\s*\#]'|sed 's/^ deb/deb/'

Fish reported a syntax error. So I switched to Bash. Your command 
reported thus.

cat: /etc/apt/sources.list.d/*: No such file or directory
deb http://au.archive.ubuntu.com/ubuntu/ precise main restricted
deb-src http://au.archive.ubuntu.com/ubuntu/ precise main restricted
deb http://au.archive.ubuntu.com/ubuntu/ precise-updates main restricted
deb-src http://au.archive.ubuntu.com/ubuntu/ precise-updates main restricted
deb http://au.archive.ubuntu.com/ubuntu/ precise universe
deb-src http://au.archive.ubuntu.com/ubuntu/ precise universe
deb http://au.archive.ubuntu.com/ubuntu/ precise-updates universe
deb-src http://au.archive.ubuntu.com/ubuntu/ precise-updates universe
deb http://au.archive.ubuntu.com/ubuntu/ precise multiverse
deb-src http://au.archive.ubuntu.com/ubuntu/ precise multiverse
deb http://au.archive.ubuntu.com/ubuntu/ precise-updates multiverse
deb-src http://au.archive.ubuntu.com/ubuntu/ precise-updates multiverse
deb http://au.archive.ubuntu.com/ubuntu/ precise-backports main 
restricted universe multiverse
deb-src http://au.archive.ubuntu.com/ubuntu/ precise-backports main 
restricted universe multiverse
deb http://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
deb http://security.ubuntu.com/ubuntu precise-security universe
deb-src http://security.ubuntu.com/ubuntu precise-security universe
deb http://security.ubuntu.com/ubuntu precise-security multiverse
deb-src http://security.ubuntu.com/ubuntu precise-security multiverse
deb http://extras.ubuntu.com/ubuntu precise main
deb-src http://extras.ubuntu.com/ubuntu precise main

> What is the output of:-
> for i in /etc/apt/preferences{,.d/*};do echo $i;cat $i;echo " ";done

The response was thus.

cat: /etc/apt/preferences: No such file or directory

cat: /etc/apt/preferences.d/*: No such file or directory


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