I'm running an Intel NUC (8i7BEH Kit) with a Core i7. Here is the output of cat /proc/cpuinfo for the first of the 8 logical cores (to give you info on my CPU):

$ cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 142
model name      : Intel(R) Core(TM) i7-8559U CPU @ 2.70GHz
stepping        : 10
microcode       : 0xb4
cpu MHz         : 732.289
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 0
cpu cores       : 4
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 22
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds
bogomips        : 5424.00
clflush size    : 64
cache_alignment : 64
address sizes   : 39 bits physical, 48 bits virtual
power management:

(Didn't include the other 7 for brevity)

I notice in my /var/log/syslog, I am getting a lot of this kind of spam:

Aug 24 07:37:25 nami kernel: [2036132.760239] CPU4: Core temperature above threshold, cpu clock throttled (total events = 95846)
Aug 24 07:37:25 nami kernel: [2036132.760239] CPU0: Core temperature above threshold, cpu clock throttled (total events = 95846)
Aug 24 07:37:25 nami kernel: [2036132.760242] CPU0: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.760248] CPU4: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.760307] CPU1: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.760308] CPU2: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.760309] CPU5: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.760310] CPU6: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.760311] CPU7: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.760312] CPU3: Package temperature above threshold, cpu clock throttled (total events = 99770)
Aug 24 07:37:25 nami kernel: [2036132.761141] CPU4: Core temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761141] CPU0: Core temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761143] CPU5: Package temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761143] CPU4: Package temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761144] CPU1: Package temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761145] CPU0: Package temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761171] CPU3: Package temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761172] CPU7: Package temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761199] CPU2: Package temperature/speed normal
Aug 24 07:37:25 nami kernel: [2036132.761200] CPU6: Package temperature/speed normal

Based on the timestamps, this seems to happen exactly every 5 minutes. Here is the version info for my Ubuntu installation:

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.2 LTS
Release:        18.04
Codename:       bionic

I am not sure if these errors are harmless. Even if they are, I'd like the logs to not be printed. To me it indicates some sort of hardware issue. But this causes a lot of turnover in my syslogs which obscures other important information. Can someone help me find a solution to the underlying issue? Or if there really isn't one, maybe explain why, and how to silence the logs?

I have this, but it's not working:

wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - \
    && add-apt-repository "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-8 main" \
    && apt-get -qq update \
    && apt-get -qq install \
        clang-8 \
        libc++-dev \
        libc++abi-dev \
    && update-alternatives --install /usr/bin/clang clang /usr/bin/clang-8 100 \
    && update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-8 100

I get:

E: Unable to locate package clang-8

EDIT

Looks like the 32-bit version of Clang is not available in their repositories. So, I'm completely out of ideas. I can't use their repositories, but I also can't upgrade to Ubuntu 19 (which does have a clang-8 package in the official repositories). Ubuntu 19 doesn't have the other packages I need (not shown above), such as libssl1.0-dev.

I have a script that I run to update images and then stop -> rm -> run them again. Unfortunately, the last 3 steps happen even if pull didn't update the image (i.e. it's already up to date). How can I change my bash script so that it only runs the last 3 commands if the pull updated the image?

#!/usr/bin/env bash
set -e

docker pull linuxserver/sonarr
docker stop sonarr
docker rm sonarr
./run-sonarr.sh

docker pull linuxserver/radarr
docker stop radarr
docker rm radarr
./run-radarr.sh

docker pull linuxserver/nzbget
docker stop nzbget
docker rm nzbget
./run-nzbget.sh

docker pull plexinc/pms-docker
docker stop plex
docker rm plex
./run-plex.sh

I am running the following command, with the verbose output below it:

$ clang++ -m32 -I ../include -o format.cc.o -c format.cc -v
clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
Target: i386-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.3.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.3.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: 32;@m32
 "/usr/lib/llvm-6.0/bin/clang" -cc1 -triple i386-pc-linux-gnu -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -discard-value-names -main-file-name format.cc -mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu pentium4 -dwarf-column-info -debugger-tuning=gdb -v -coverage-notes-file /home/TABLETOPMEDIA/robert/frontend/Core/ThirdParty/fmt/src/format.cc.gcno -resource-dir /usr/lib/llvm-6.0/lib/clang/6.0.0 -I ../include -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++ -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/x86_64-linux-gnu/32 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/backward -internal-isystem /usr/include/clang/6.0.0/include/ -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-6.0/lib/clang/6.0.0/include -internal-externc-isystem /usr/include/i386-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdeprecated-macro -fdebug-compilation-dir /home/TABLETOPMEDIA/robert/frontend/Core/ThirdParty/fmt/src -ferror-limit 19 -fmessage-length 142 -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o format.cc.o -x c++ format.cc
clang -cc1 version 6.0.0 based upon LLVM 6.0.0 default target x86_64-pc-linux-gnu
ignoring nonexistent directory "/usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/x86_64-linux-gnu/32"
ignoring nonexistent directory "/usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/backward"
ignoring nonexistent directory "/include"
ignoring duplicate directory "/usr/include/clang/6.0.0/include"
#include "..." search starts here:
#include <...> search starts here:
 ../include
 /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++
 /usr/include/clang/6.0.0/include
 /usr/local/include
 /usr/include/i386-linux-gnu
 /usr/include
End of search list.
In file included from format.cc:8:
In file included from ../include/fmt/format-inl.h:11:
../include/fmt/format.h:31:10: fatal error: 'algorithm' file not found
#include <algorithm>
         ^~~~~~~~~~~
1 error generated.

I'm on Ubuntu 18.04 (64-bit) compiling using 32-bit libraries. I do have STL headers at /usr/include/c++/7, but this doesn't appear to be in the paths shown above. Is this an OS problem with my Ubuntu installation? Which packages might I be missing if so?

EDIT

I have g++-multilib installed:

$ dpkg -l | grep multilib
ii  g++-7-multilib                        7.3.0-25ubuntu1~18.04               amd64        GNU C++ compiler (multilib support)
ii  g++-multilib                          4:7.3.0-3ubuntu2                    amd64        GNU C++ compiler (multilib files)
ii  gcc-7-multilib                        7.3.0-25ubuntu1~18.04               amd64        GNU C compiler (multilib support)
ii  gcc-8-multilib                        8.1.0-10ubuntu1~18.04               amd64        GNU C compiler (multilib support)
ii  gcc-multilib                          4:7.3.0-3ubuntu2                    amd64        GNU C compiler (multilib files)

However, it only shows installed for amd64, assuming I need the i386 version, I tried installing that but it fails:

$ sudo apt install g++-multilib:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 g++-multilib:i386 : Depends: gcc-multilib:i386 (>= 4:7.3.0-3ubuntu2) but it is not going to be installed
                     Depends: g++:i386 (>= 4:7.3.0-3ubuntu2) but it is not going to be installed
                     Depends: g++-7-multilib:i386 (>= 7.3.0-12~) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Weirdly, I have a foreign architecture installed through dpkg and I was hoping the i386 versions of packages would be automatically installed for me:

$ dpkg --print-foreign-architectures
i386

I just upgraded from Ubuntu server 14 to version 15. I had trouble getting my upstart script working after the upgrade, and read that systemd is the new default. I'm far from a linux expert, so please go easy on me :-)

Here is what my upstart script was before:

description "NZBGet upstart script"

setuid robert
setgid robert

start on runlevel [2345]
stop on runlevel [016]

respawn

expect fork

script
    exec nzbget -D
end script

pre-stop script
    exec nzbget -Q
end script

Based on the upstart to systemd wiki page, I used the tables provided there to map things as closely as I could in my new systemd service file:

[Unit]
Description=NZBGet Service

[Service]
Type=forking
ExecStart=/usr/local/bin/nzbget -D
ExecStop=/usr/local/bin/nzbget -Q
Restart=on-failure

This file is located at /home/robert/.config/systemd/user/nzbget.service. To start the service manually, I've been doing:

$ systemctl --user start nzbget

This works great. However, when I log out of my SSH session, the service shuts down. Also, it does not start on bootup or user login. I want it to behave the same as it did as an upstart service: I want it to start at boot, run constantly, and as a specific user.

What do I need to do to get this configuration?