2) Add udev rule:

/etc/X11/xorg.conf.d/45-backlight.conf

ACTION=="add", KERNEL=="intel_backlight", SUBSYSTEM=="backlight", SUBSYSTEMS=="pci", DRIVERS=="i915", ATTR{brightness}="1846"

100% не правильно. Xorg не может иметь конфиг в таком формате :)
> Очень кстати здесь пришлись безрутовые команды systemd по перезагрузке и выключению компа.

По поводу системного меню. Посмотрите как у меня используется для этого zenity.
https://github.com/sergeyklay/awesomefiles/blob/master/config/menu.lua

Ну и сама библиотека:
https://github.com/sergeyklay/awesomefiles/blob/master/lib/power.lua

Кстати Rob Hoelz тоже во всю использует Arch Linux : )
Собственно на скриншоте всё видно : )

Хорошее дело делаешь (я про Wiki). У самого Arch + Awesome стоит на E540. Признаюсь честно некоторые вещи ни разу не однозначны : )

/etc/wvdial.conf

[Dialer Defaults]
Init = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Modem Type = USB Modem
ISDN = 0
Modem = /dev/ttyUSB0
Phone = *99#
New PPPD = yes
[Dialer Huawei]
Username = mts
Password = mts
Auto Reconnect = 1
Abort on Busy = 1
Stupid Mode = 1
Baud = 460800
Init3 = AT+CGDCONT=1,"IP","internet.mts.ru"
Init4 =
Init5 =
Init6 = AT+CGEQMIN=1,4,64,640,64,640
Init7 = AT+CGEQREQ=1,4,64,640,64,640
Init8 =
Init9 =
Phone1 =
Phone2 =
Phone3 =
Phone4 =
[Dialer ZTE]
Baud = 7200000
Init3 = AT+CGDCONT=1,"IP","internet.mts.ru"
Init4 =
Init5 =
Init6 = AT+CGEQMIN=1,4,64,640,64,640
Init7 = AT+CGEQREQ=1,4,64,640,64,640
Init8 =
Init9 =
Phone1 =
Phone2 =
Phone3 =
Phone4 =
Dial Prefix =
Dial Attempts = 1
Dial Command = ATM1L3DT
Auto Reconnect = 1
Abort on Busy = 1
Carrier Check = 0
Check Def Route = 0
Abort on No Dialtone = 0
Stupid Mode = 1
Idle Seconds = 0
Auto DNS = 1
Полёт нормальный

root / # mysql_upgrade -p
Enter password:
Phase 1/3: Fixing table and database names
Phase 2/3: Checking and upgrading tables
Processing databases
information_schema
mysql
mysql.columns_priv                                 OK
mysql.db                                           OK
mysql.event                                        OK
mysql.func                                         OK
mysql.help_category                                OK
mysql.help_keyword                                 OK
mysql.help_relation                                OK
mysql.help_topic                                   OK
mysql.host                                         OK
mysql.ndb_binlog_index                             OK
mysql.plugin                                       OK
mysql.proc                                         OK
mysql.procs_priv                                   OK
mysql.proxies_priv                                 OK
mysql.servers                                      OK
mysql.tables_priv                                  OK
mysql.time_zone                                    OK
mysql.time_zone_leap_second                        OK
mysql.time_zone_name                               OK
mysql.time_zone_transition                         OK
mysql.time_zone_transition_type                    OK
mysql.user                                         OK
performance_schema
radar
radar.answers                                      OK
radar.answers_users                                OK
radar.block                                        OK
radar.buddies                                      OK
radar.buddy_requests                               OK
radar.comments                                     OK
radar.config                                       OK
radar.identities                                   OK
radar.menus                                        OK
radar.modules                                      OK
radar.paths                                        OK
radar.permissions                                  OK
radar.polls                                        OK
radar.polls_users                                  OK
radar.posts                                        OK
radar.posts_tags                                   OK
radar.posts_terms                                  OK
radar.posts_versions                               OK
radar.questions                                    OK
radar.roles                                        OK
radar.roles_users                                  OK
radar.scores                                       OK
radar.sessions                                     OK
radar.sitemaps                                     OK
radar.slider                                       OK
radar.surveys                                      OK
radar.tags                                         OK
radar.terms                                        OK
radar.user_tokens                                  OK
radar.users                                        OK
radar.widgets                                      OK
wp
Phase 3/3: Running 'mysql_fix_privilege_tables'...
OK
crawling
Мой i3
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