+
+** systemd
+
+Keep boot messages on tty1 (see [[https://wiki.archlinux.org/index.php/getty#Have_boot_messages_stay_on_tty1][here]])
+
+#+begin_src conf :tangle /sudo::/etc/systemd/system/getty@tty1.service.d/noclear.conf
+[Service]
+TTYVTDisallocate=no
+#+end_src
+
+** TLP
+
+*** langa
+
+#+begin_src conf :tangle (when (and (eq system-type 'gnu/linux) (string= (system-name) "langa")) "/sudo::/etc/default/tlp")
+# ------------------------------------------------------------------------------
+# tlp - Parameters for power saving
+# See full explanation: https://linrunner.de/en/tlp/docs/tlp-configuration.html
+
+# Notes:
+# - Some parameters are disabled, remove the leading '#' to enable # them;
+# shown values are suggestions not defaults
+# - Default *: intrinsic default that is effective when the parameter is missing
+# or disabled by a leading '#'; use PARAM="" to disable intrinsic defaults for
+# parameters with text string values
+# - Default <none>: do nothing or use kernel/hardware defaults
+
+# Set to 0 to disable, 1 to enable TLP.
+# Default: 0
+TLP_ENABLE=1
+
+# Operation mode when no power supply can be detected: AC, BAT.
+# Concerns some desktop and embedded hardware only.
+# Default: <none>
+TLP_DEFAULT_MODE=AC
+
+# Operation mode select: 0=depend on power source, 1=always use TLP_DEFAULT_MODE
+# Hint: use in conjunction with TLP_DEFAULT_MODE=BAT for BAT settings on AC.
+# Default: 0
+TLP_PERSISTENT_DEFAULT=0
+
+# Seconds laptop mode has to wait after the disk goes idle before doing a sync.
+# Non-zero value enables, zero disables laptop mode.
+# Default: 0 (AC), 2 (BAT)
+DISK_IDLE_SECS_ON_AC=0
+DISK_IDLE_SECS_ON_BAT=2
+
+# Dirty page values (timeouts in secs).
+# Default: 15 (AC + BAT)
+MAX_LOST_WORK_SECS_ON_AC=15
+MAX_LOST_WORK_SECS_ON_BAT=60
+
+# Note: CPU parameters below are disabled by default, remove the leading #
+# to enable them, otherwise kernel defaults will be used.
+
+# Select a CPU frequency scaling governor.
+# Intel Core i processor with intel_pstate driver:
+# powersave(*), performance.
+# Older hardware with acpi-cpufreq driver:
+# ondemand(*), powersave, performance, conservative, schedutil.
+# (*) is recommended.
+# Use tlp-stat -p to show the active driver and available governors.
+# Important:
+# powersave for intel_pstate and ondemand for acpi-cpufreq are power
+# efficient for *almost all* workloads and therefore kernel and most
+# distributions have chosen them as defaults. If you still want to change,
+# you should know what you're doing! You *must* disable your distribution's
+# governor settings or conflicts will occur.
+# Default: <none>
+#CPU_SCALING_GOVERNOR_ON_AC=powersave
+#CPU_SCALING_GOVERNOR_ON_BAT=powersave
+
+# Set the min/max frequency available for the scaling governor.
+# Possible values depend on your CPU. For available frequencies see
+# the output of tlp-stat -p.
+# Default: <none>
+#CPU_SCALING_MIN_FREQ_ON_AC=0
+#CPU_SCALING_MAX_FREQ_ON_AC=0
+#CPU_SCALING_MIN_FREQ_ON_BAT=0
+#CPU_SCALING_MAX_FREQ_ON_BAT=0
+
+# Set energy performance hints (HWP) for Intel P-state governor:
+# performance, balance_performance, default, balance_power, power
+# Values are given in order of increasing power saving.
+# Note: Intel Skylake or newer CPU and Kernel >= 4.10 required.
+# Default: <none>
+CPU_HWP_ON_AC=balance_performance
+CPU_HWP_ON_BAT=balance_power
+
+# Set Intel P-state performance: 0..100 (%).
+# Limit the max/min P-state to control the power dissipation of the CPU.
+# Values are stated as a percentage of the available performance.
+# Requires an Intel Core i processor with intel_pstate driver.
+# Default: <none>
+#CPU_MIN_PERF_ON_AC=0
+#CPU_MAX_PERF_ON_AC=100
+#CPU_MIN_PERF_ON_BAT=0
+#CPU_MAX_PERF_ON_BAT=30
+
+# Set the CPU "turbo boost" feature: 0=disable, 1=allow
+# Requires an Intel Core i processor.
+# Important:
+# - This may conflict with your distribution's governor settings
+# - A value of 1 does *not* activate boosting, it just allows it
+# Default: <none>
+#CPU_BOOST_ON_AC=1
+#CPU_BOOST_ON_BAT=0
+
+# Minimize number of used CPU cores/hyper-threads under light load conditions:
+# 0=disable, 1=enable.
+# Default: <none>
+SCHED_POWERSAVE_ON_AC=0
+SCHED_POWERSAVE_ON_BAT=1
+
+# Kernel NMI Watchdog:
+# 0=disable (default, saves power), 1=enable (for kernel debugging only).
+# Default: <none>
+NMI_WATCHDOG=0
+
+# Change CPU voltages aka "undervolting" - Kernel with PHC patch required.
+# Frequency voltage pairs are written to:
+# /sys/devices/system/cpu/cpu0/cpufreq/phc_controls
+# CAUTION: only use this, if you thoroughly understand what you are doing!
+# Default: <none>.
+#PHC_CONTROLS="F:V F:V F:V F:V"
+
+# Set CPU performance versus energy savings policy:
+# performance, balance-performance, default, balance-power, power.
+# Values are given in order of increasing power saving.
+# Requires kernel module msr and x86_energy_perf_policy from linux-tools.
+# Default: <none>
+ENERGY_PERF_POLICY_ON_AC=performance
+ENERGY_PERF_POLICY_ON_BAT=balance-power
+
+# Disk devices; separate multiple devices with spaces.
+# Devices can be specified by disk ID also (lookup with: tlp diskid).
+# Note: DISK parameters below are effective only when this option is configured.
+# Default: "nvme0n1 sda"
+DISK_DEVICES="sda sdb"
+
+# Disk advanced power management level: 1..254, 255 (max saving, min, off).
+# Levels 1..127 may spin down the disk; 255 allowable on most drives.
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the hardware default for the particular disk.
+# Default: <none>
+DISK_APM_LEVEL_ON_AC="254 254"
+DISK_APM_LEVEL_ON_BAT="128 128"
+
+# Hard disk spin down timeout:
+# 0: spin down disabled
+# 1..240: timeouts from 5s to 20min (in units of 5s)
+# 241..251: timeouts from 30min to 5.5 hours (in units of 30min)
+# See 'man hdparm' for details.
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the hardware default for the particular disk.
+# Default: <none>
+#DISK_SPINDOWN_TIMEOUT_ON_AC="0 0"
+#DISK_SPINDOWN_TIMEOUT_ON_BAT="0 0"
+
+# Select I/O scheduler for the disk devices.
+# Multi queue (blk-mq) schedulers:
+# mq-deadline(*), none, kyber, bfq
+# Single queue schedulers:
+# deadline(*), cfq, bfq, noop
+# (*) recommended.
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the kernel default scheduler for the particular disk.
+# Notes:
+# - Multi queue (blk-mq) may need kernel boot option 'scsi_mod.use_blk_mq=1'
+# and 'modprobe mq-deadline-iosched|kyber|bfq' on kernels < 5.0
+# - Single queue schedulers are legacy now and were removed together with
+# the old block layer in kernel 5.0
+# Default: keep
+#DISK_IOSCHED="mq-deadline mq-deadline"
+
+# AHCI link power management (ALPM) for disk devices:
+# min_power, med_power_with_dipm(*), medium_power, max_performance.
+# (*) Kernel >= 4.15 required, then recommended.
+# Multiple values separated with spaces are tried sequentially until success.
+# Default: <none>
+SATA_LINKPWR_ON_AC="med_power_with_dipm max_performance"
+SATA_LINKPWR_ON_BAT="med_power_with_dipm min_power"
+
+# Exclude host devices from AHCI link power management.
+# Separate multiple hosts with spaces.
+# Default: <none>
+#SATA_LINKPWR_BLACKLIST="host1"
+
+# Runtime Power Management for AHCI host and disks devices:
+# on=disable, auto=enable.
+# EXPERIMENTAL ** WARNING: auto may cause system lockups/data loss.
+# Default: <none>
+#AHCI_RUNTIME_PM_ON_AC=on
+#AHCI_RUNTIME_PM_ON_BAT=on
+
+# Seconds of inactivity before disk is suspended.
+# Note: effective only when AHCI_RUNTIME_PM_ON_AC/BAT is activated.
+# Default: 15
+AHCI_RUNTIME_PM_TIMEOUT=15
+
+# PCI Express Active State Power Management (PCIe ASPM):
+# default(*), performance, powersave.
+# (*) keeps BIOS ASPM defaults (recommended)
+# Default: <none>
+#PCIE_ASPM_ON_AC=default
+#PCIE_ASPM_ON_BAT=default
+
+# Set the min/max/turbo frequency for the Intel GPU.
+# Possible values depend on your hardware. For available frequencies see
+# the output of tlp-stat -g.
+# Default: <none>
+#INTEL_GPU_MIN_FREQ_ON_AC=0
+#INTEL_GPU_MIN_FREQ_ON_BAT=0
+#INTEL_GPU_MAX_FREQ_ON_AC=0
+#INTEL_GPU_MAX_FREQ_ON_BAT=0
+#INTEL_GPU_BOOST_FREQ_ON_AC=0
+#INTEL_GPU_BOOST_FREQ_ON_BAT=0
+
+# Radeon graphics clock speed (profile method): low, mid, high, auto, default;
+# auto = mid on BAT, high on AC.
+# Default: default
+RADEON_POWER_PROFILE_ON_AC=default
+RADEON_POWER_PROFILE_ON_BAT=default
+
+# Radeon dynamic power management method (DPM): battery, performance.
+# Default: <none>
+RADEON_DPM_STATE_ON_AC=performance
+RADEON_DPM_STATE_ON_BAT=battery
+
+# Radeon DPM performance level: auto, low, high; auto is recommended.
+# Note: effective only when RADEON_DPM_STATE_ON_AC/BAT is activated.
+# Default: auto
+RADEON_DPM_PERF_LEVEL_ON_AC=auto
+RADEON_DPM_PERF_LEVEL_ON_BAT=auto
+
+# WiFi power saving mode: on=enable, off=disable; not supported by all adapters.
+# Default: <none>
+WIFI_PWR_ON_AC=off
+WIFI_PWR_ON_BAT=on
+
+# Disable wake on LAN: Y/N.
+# Default: N
+WOL_DISABLE=Y
+
+# Enable audio power saving for Intel HDA, AC97 devices (timeout in secs).
+# A value of 0 disables, >=1 enables power saving (recommended: 1).
+# Default: <none>
+SOUND_POWER_SAVE_ON_AC=0
+SOUND_POWER_SAVE_ON_BAT=0
+
+# Disable controller too (HDA only): Y/N.
+# Note: effective only when SOUND_POWER_SAVE_ON_AC/BAT is activated.
+# Default: Y
+SOUND_POWER_SAVE_CONTROLLER=N
+
+# Power off optical drive in UltraBay/MediaBay: 0=disable, 1=enable.
+# Drive can be powered on again by releasing (and reinserting) the eject lever
+# or by pressing the disc eject button on newer models.
+# Note: an UltraBay/MediaBay hard disk is never powered off.
+# Default: 0
+BAY_POWEROFF_ON_AC=0
+BAY_POWEROFF_ON_BAT=0
+# Optical drive device to power off
+# Default: sr0
+BAY_DEVICE="sr0"
+
+# Runtime Power Management for PCI(e) bus devices: on=disable, auto=enable.
+# Default: <none>
+RUNTIME_PM_ON_AC=on
+RUNTIME_PM_ON_BAT=auto
+
+# Exclude PCI(e) device adresses the following list from Runtime PM
+# (separate with spaces). Use lspci to get the adresses (1st column).
+# Default: <none>
+#RUNTIME_PM_BLACKLIST="bb:dd.f 11:22.3 44:55.6"
+
+# Exclude PCI(e) devices assigned to the listed drivers from Runtime PM.
+# Default when unconfigured is "amdgpu nouveau nvidia radeon" which
+# prevents accidential power-on of dGPU in hybrid graphics setups.
+# Separate multiple drivers with spaces.
+# Default: "amdgpu mei_me nouveau nvidia pcieport radeon", use "" to disable
+# completely.
+#RUNTIME_PM_DRIVER_BLACKLIST="amdgpu mei_me nouveau nvidia pcieport radeon"
+
+# Set to 0 to disable, 1 to enable USB autosuspend feature.
+# Default: 0
+USB_AUTOSUSPEND=1
+
+# Exclude listed devices from USB autosuspend (separate with spaces).
+# Use lsusb to get the ids.
+# Note: input devices (usbhid) are excluded automatically
+# Default: <none>
+#USB_BLACKLIST="1111:2222 3333:4444"
+
+# Bluetooth devices are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude.
+# Default: 0
+USB_BLACKLIST_BTUSB=0
+
+# Phone devices are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude (enable charging).
+# Default: 0
+USB_BLACKLIST_PHONE=0
+
+# Printers are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude.
+# Default: 1
+USB_BLACKLIST_PRINTER=1
+
+# WWAN devices are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude.
+# Default: 0
+USB_BLACKLIST_WWAN=0
+
+# Include listed devices into USB autosuspend even if already excluded
+# by the blacklists above (separate with spaces). Use lsusb to get the ids.
+# Default: <none>
+#USB_WHITELIST="1111:2222 3333:4444"
+
+# Set to 1 to disable autosuspend before shutdown, 0 to do nothing
+# (workaround for USB devices that cause shutdown problems).
+# Default: 0
+#USB_AUTOSUSPEND_DISABLE_ON_SHUTDOWN=1
+
+# Restore radio device state (Bluetooth, WiFi, WWAN) from previous shutdown
+# on system startup: 0=disable, 1=enable.
+# Note: the parameters DEVICES_TO_DISABLE/ENABLE_ON_STARTUP/SHUTDOWN below
+# are ignored when this is enabled.
+# Default: 0
+#RESTORE_DEVICE_STATE_ON_STARTUP=0
+RESTORE_DEVICE_STATE_ON_STARTUP=1
+
+# Radio devices to disable on startup: bluetooth, wifi, wwan.
+# Separate multiple devices with spaces.
+# Default: <none>
+#DEVICES_TO_DISABLE_ON_STARTUP="bluetooth wifi wwan"
+
+# Radio devices to enable on startup: bluetooth, wifi, wwan.
+# Separate multiple devices with spaces.
+# Default: <none>
+#DEVICES_TO_ENABLE_ON_STARTUP="wifi"
+
+# Radio devices to disable on shutdown: bluetooth, wifi, wwan.
+# (workaround for devices that are blocking shutdown).
+# Default: <none>
+#DEVICES_TO_DISABLE_ON_SHUTDOWN="bluetooth wifi wwan"
+
+# Radio devices to enable on shutdown: bluetooth, wifi, wwan.
+# (to prevent other operating systems from missing radios).
+# Default: <none>
+#DEVICES_TO_ENABLE_ON_SHUTDOWN="wwan"
+
+# Radio devices to enable on AC: bluetooth, wifi, wwan.
+# Default: <none>
+#DEVICES_TO_ENABLE_ON_AC="bluetooth wifi wwan"
+
+# Radio devices to disable on battery: bluetooth, wifi, wwan.
+# Default: <none>
+#DEVICES_TO_DISABLE_ON_BAT="bluetooth wifi wwan"
+DEVICES_TO_DISABLE_ON_BAT="bluetooth"
+
+# Radio devices to disable on battery when not in use (not connected):
+# bluetooth, wifi, wwan.
+# Default: <none>
+#DEVICES_TO_DISABLE_ON_BAT_NOT_IN_USE="bluetooth wifi wwan"
+
+# Battery charge thresholds (ThinkPad only, tp-smapi or acpi-call kernel module
+# required). Charging starts when the remaining capacity falls below the
+# START_CHARGE_THRESH value and stops when exceeding the STOP_CHARGE_THRESH value.
+# Main / Internal battery (values in %)
+# Default: <none>
+#START_CHARGE_THRESH_BAT0=75
+#STOP_CHARGE_THRESH_BAT0=80
+# Ultrabay / Slice / Replaceable battery (values in %)
+# Default: <none>
+#START_CHARGE_THRESH_BAT1=75
+#STOP_CHARGE_THRESH_BAT1=80
+
+# Restore charge thresholds when AC is unplugged: 0=disable, 1=enable.
+# Default: 0
+#RESTORE_THRESHOLDS_ON_BAT=1
+
+# Battery feature drivers: 0=disable, 1=enable
+# Default: 1 (all)
+NATACPI_ENABLE=1
+TPACPI_ENABLE=1
+TPSMAPI_ENABLE=1
+
+# ------------------------------------------------------------------------------
+# tlp-rdw - Parameters for the radio device wizard
+# Possible devices: bluetooth, wifi, wwan.
+
+# Notes:
+# - Parameters are disabled by default, remove the leading # to enable them
+# - Separate multiple radio devices with spaces
+
+# Default: <none> (for all parameters below)
+
+# Radio devices to disable on connect.
+#DEVICES_TO_DISABLE_ON_LAN_CONNECT="wifi wwan"
+#DEVICES_TO_DISABLE_ON_WIFI_CONNECT="wwan"
+#DEVICES_TO_DISABLE_ON_WWAN_CONNECT="wifi"
+
+# Radio devices to enable on disconnect.
+#DEVICES_TO_ENABLE_ON_LAN_DISCONNECT="wifi wwan"
+#DEVICES_TO_ENABLE_ON_WIFI_DISCONNECT=""
+#DEVICES_TO_ENABLE_ON_WWAN_DISCONNECT=""
+
+# Radio devices to enable/disable when docked.
+#DEVICES_TO_ENABLE_ON_DOCK=""
+#DEVICES_TO_DISABLE_ON_DOCK=""
+
+# Radio devices to enable/disable when undocked.
+#DEVICES_TO_ENABLE_ON_UNDOCK="wifi"
+#DEVICES_TO_DISABLE_ON_UNDOCK=""
+#+end_src
+
+*** shemshak
+
+#+begin_src conf :tangle (when (and (eq system-type 'gnu/linux) (string= (system-name) "shemshak")) "/sudo::/etc/default/tlp")
+# ------------------------------------------------------------------------------
+# tlp - Parameters for power saving
+# See full explanation: http://linrunner.de/en/tlp/docs/tlp-configuration.html
+
+# Hint: some features are disabled by default, remove the leading # to enable
+# them.
+
+# Set to 0 to disable, 1 to enable TLP.
+TLP_ENABLE=1
+
+# Operation mode when no power supply can be detected: AC, BAT.
+# Concerns some desktop and embedded hardware only.
+TLP_DEFAULT_MODE=AC
+
+# Operation mode select: 0=depend on power source, 1=always use TLP_DEFAULT_MODE
+# Hint: use in conjunction with TLP_DEFAULT_MODE=BAT for BAT settings on AC.
+TLP_PERSISTENT_DEFAULT=0
+
+# Seconds laptop mode has to wait after the disk goes idle before doing a sync.
+# Non-zero value enables, zero disables laptop mode.
+DISK_IDLE_SECS_ON_AC=0
+DISK_IDLE_SECS_ON_BAT=2
+
+# Dirty page values (timeouts in secs).
+MAX_LOST_WORK_SECS_ON_AC=15
+MAX_LOST_WORK_SECS_ON_BAT=60
+
+# Hint: CPU parameters below are disabled by default, remove the leading #
+# to enable them, otherwise kernel default values are used.
+
+# Select a CPU frequency scaling governor.
+# Intel Core i processor with intel_pstate driver:
+# powersave(*), performance.
+# Older hardware with acpi-cpufreq driver:
+# ondemand(*), powersave, performance, conservative, schedutil.
+# (*) is recommended.
+# Hint: use tlp-stat -p to show the active driver and available governors.
+# Important:
+# powersave for intel_pstate and ondemand for acpi-cpufreq are power
+# efficient for *almost all* workloads and therefore kernel and most
+# distributions have chosen them as defaults. If you still want to change,
+# you should know what you're doing! You *must* disable your distribution's
+# governor settings or conflicts will occur.
+#CPU_SCALING_GOVERNOR_ON_AC=powersave
+#CPU_SCALING_GOVERNOR_ON_BAT=powersave
+
+# Set the min/max frequency available for the scaling governor.
+# Possible values strongly depend on your CPU. For available frequencies see
+# the output of tlp-stat -p.
+#CPU_SCALING_MIN_FREQ_ON_AC=0
+#CPU_SCALING_MAX_FREQ_ON_AC=0
+#CPU_SCALING_MIN_FREQ_ON_BAT=0
+#CPU_SCALING_MAX_FREQ_ON_BAT=0
+
+# Set energy performance hints (HWP) for Intel P-state governor:
+# performance, balance_performance, default, balance_power, power
+# Values are given in order of increasing power saving.
+# Note: Intel Skylake or newer CPU and Kernel >= 4.10 required.
+CPU_HWP_ON_AC=balance_performance
+CPU_HWP_ON_BAT=balance_power
+
+# Set Intel P-state performance: 0..100 (%).
+# Limit the max/min P-state to control the power dissipation of the CPU.
+# Values are stated as a percentage of the available performance.
+# Requires an Intel Core i processor with intel_pstate driver.
+#CPU_MIN_PERF_ON_AC=0
+#CPU_MAX_PERF_ON_AC=100
+#CPU_MIN_PERF_ON_BAT=0
+#CPU_MAX_PERF_ON_BAT=30
+
+# Set the CPU "turbo boost" feature: 0=disable, 1=allow
+# Requires an Intel Core i processor.
+# Important:
+# - This may conflict with your distribution's governor settings
+# - A value of 1 does *not* activate boosting, it just allows it
+#CPU_BOOST_ON_AC=1
+#CPU_BOOST_ON_BAT=0
+
+# Minimize number of used CPU cores/hyper-threads under light load conditions:
+# 0=disable, 1=enable.
+SCHED_POWERSAVE_ON_AC=0
+SCHED_POWERSAVE_ON_BAT=1
+
+# Kernel NMI Watchdog:
+# 0=disable (default, saves power), 1=enable (for kernel debugging only).
+NMI_WATCHDOG=0
+
+# Change CPU voltages aka "undervolting" - Kernel with PHC patch required.
+# Frequency voltage pairs are written to:
+# /sys/devices/system/cpu/cpu0/cpufreq/phc_controls
+# CAUTION: only use this, if you thoroughly understand what you are doing!
+#PHC_CONTROLS="F:V F:V F:V F:V"
+
+# Set CPU performance versus energy savings policy:
+# performance, balance-performance, default, balance-power, power.
+# Values are given in order of increasing power saving.
+# Requires kernel module msr and x86_energy_perf_policy from linux-tools.
+ENERGY_PERF_POLICY_ON_AC=performance
+ENERGY_PERF_POLICY_ON_BAT=balance-power
+
+# Disk devices; separate multiple devices with spaces (default: sda).
+# Devices can be specified by disk ID also (lookup with: tlp diskid).
+DISK_DEVICES="sda sdb"
+
+# Disk advanced power management level: 1..254, 255 (max saving, min, off).
+# Levels 1..127 may spin down the disk; 255 allowable on most drives.
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the hardware default for the particular disk.
+DISK_APM_LEVEL_ON_AC="254 254"
+DISK_APM_LEVEL_ON_BAT="128 128"
+
+# Hard disk spin down timeout:
+# 0: spin down disabled
+# 1..240: timeouts from 5s to 20min (in units of 5s)
+# 241..251: timeouts from 30min to 5.5 hours (in units of 30min)
+# See 'man hdparm' for details.
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the hardware default for the particular disk.
+#DISK_SPINDOWN_TIMEOUT_ON_AC="0 0"
+#DISK_SPINDOWN_TIMEOUT_ON_BAT="0 0"
+
+# Select IO scheduler for the disk devices: cfq, deadline, noop (Default: cfq).
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the kernel default scheduler for the particular disk.
+#DISK_IOSCHED="cfq cfq"
+
+# AHCI link power management (ALPM) for disk devices:
+# min_power, med_power_with_dipm(*), medium_power, max_performance.
+# (*) Kernel >= 4.15 required, then recommended.
+# Multiple values separated with spaces are tried sequentially until success.
+SATA_LINKPWR_ON_AC="med_power_with_dipm max_performance"
+SATA_LINKPWR_ON_BAT="med_power_with_dipm min_power"
+
+# Exclude host devices from AHCI link power management.
+# Separate multiple hosts with spaces.
+#SATA_LINKPWR_BLACKLIST="host1"
+
+# Runtime Power Management for AHCI host and disks devices:
+# on=disable, auto=enable.
+# EXPERIMENTAL ** WARNING: auto will most likely cause system lockups/data loss.
+#AHCI_RUNTIME_PM_ON_AC=on
+#AHCI_RUNTIME_PM_ON_BAT=on
+
+# Seconds of inactivity before disk is suspended.
+AHCI_RUNTIME_PM_TIMEOUT=15
+
+# PCI Express Active State Power Management (PCIe ASPM):
+# default, performance, powersave.
+PCIE_ASPM_ON_AC=performance
+PCIE_ASPM_ON_BAT=powersave
+
+# Radeon graphics clock speed (profile method): low, mid, high, auto, default;
+# auto = mid on BAT, high on AC; default = use hardware defaults.
+RADEON_POWER_PROFILE_ON_AC=high
+RADEON_POWER_PROFILE_ON_BAT=low
+
+# Radeon dynamic power management method (DPM): battery, performance.
+RADEON_DPM_STATE_ON_AC=performance
+RADEON_DPM_STATE_ON_BAT=battery
+
+# Radeon DPM performance level: auto, low, high; auto is recommended.
+RADEON_DPM_PERF_LEVEL_ON_AC=auto
+RADEON_DPM_PERF_LEVEL_ON_BAT=auto
+
+# WiFi power saving mode: on=enable, off=disable; not supported by all adapters.
+WIFI_PWR_ON_AC=off
+WIFI_PWR_ON_BAT=on
+
+# Disable wake on LAN: Y/N.
+WOL_DISABLE=Y
+
+# Enable audio power saving for Intel HDA, AC97 devices (timeout in secs).
+# A value of 0 disables, >=1 enables power saving (recommended: 1).
+SOUND_POWER_SAVE_ON_AC=0
+SOUND_POWER_SAVE_ON_BAT=0
+
+# Disable controller too (HDA only): Y/N.
+SOUND_POWER_SAVE_CONTROLLER=N
+
+# Power off optical drive in UltraBay/MediaBay: 0=disable, 1=enable.
+# Drive can be powered on again by releasing (and reinserting) the eject lever
+# or by pressing the disc eject button on newer models.
+# Note: an UltraBay/MediaBay hard disk is never powered off.
+BAY_POWEROFF_ON_AC=0
+BAY_POWEROFF_ON_BAT=0
+# Optical drive device to power off (default sr0).
+BAY_DEVICE="sr0"
+
+# Runtime Power Management for PCI(e) bus devices: on=disable, auto=enable.
+RUNTIME_PM_ON_AC=on
+RUNTIME_PM_ON_BAT=auto
+
+# Exclude PCI(e) device adresses the following list from Runtime PM
+# (separate with spaces). Use lspci to get the adresses (1st column).
+#RUNTIME_PM_BLACKLIST="bb:dd.f 11:22.3 44:55.6"
+RUNTIME_PM_BLACKLIST="01:00.0"
+
+# Exclude PCI(e) devices assigned to the listed drivers from Runtime PM.
+# Default when unconfigured is "amdgpu nouveau nvidia radeon" which
+# prevents accidential power-on of dGPU in hybrid graphics setups.
+# Use "" to disable the feature completely.
+# Separate multiple drivers with spaces.
+#RUNTIME_PM_DRIVER_BLACKLIST="amdgpu nouveau nvidia radeon"
+
+# Set to 0 to disable, 1 to enable USB autosuspend feature.
+USB_AUTOSUSPEND=1
+
+# Exclude listed devices from USB autosuspend (separate with spaces).
+# Use lsusb to get the ids.
+# Note: input devices (usbhid) are excluded automatically
+#USB_BLACKLIST="1111:2222 3333:4444"
+
+# Bluetooth devices are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude.
+USB_BLACKLIST_BTUSB=0
+
+# Phone devices are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude (enable charging).
+USB_BLACKLIST_PHONE=0
+
+# Printers are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude.
+USB_BLACKLIST_PRINTER=1
+
+# WWAN devices are excluded from USB autosuspend:
+# 0=do not exclude, 1=exclude.
+USB_BLACKLIST_WWAN=1
+
+# Include listed devices into USB autosuspend even if already excluded
+# by the blacklists above (separate with spaces).
+# Use lsusb to get the ids.
+#USB_WHITELIST="1111:2222 3333:4444"
+
+# Set to 1 to disable autosuspend before shutdown, 0 to do nothing
+# (workaround for USB devices that cause shutdown problems).
+#USB_AUTOSUSPEND_DISABLE_ON_SHUTDOWN=1
+
+# Restore radio device state (Bluetooth, WiFi, WWAN) from previous shutdown
+# on system startup: 0=disable, 1=enable.
+# Hint: the parameters DEVICES_TO_DISABLE/ENABLE_ON_STARTUP/SHUTDOWN below
+# are ignored when this is enabled!
+#RESTORE_DEVICE_STATE_ON_STARTUP=0
+RESTORE_DEVICE_STATE_ON_STARTUP=1
+
+# Radio devices to disable on startup: bluetooth, wifi, wwan.
+# Separate multiple devices with spaces.
+#DEVICES_TO_DISABLE_ON_STARTUP="bluetooth wifi wwan"
+
+# Radio devices to enable on startup: bluetooth, wifi, wwan.
+# Separate multiple devices with spaces.
+#DEVICES_TO_ENABLE_ON_STARTUP="wifi"
+
+# Radio devices to disable on shutdown: bluetooth, wifi, wwan.
+# (workaround for devices that are blocking shutdown).
+#DEVICES_TO_DISABLE_ON_SHUTDOWN="bluetooth wifi wwan"
+
+# Radio devices to enable on shutdown: bluetooth, wifi, wwan.
+# (to prevent other operating systems from missing radios).
+#DEVICES_TO_ENABLE_ON_SHUTDOWN="wwan"
+
+# Radio devices to enable on AC: bluetooth, wifi, wwan.
+#DEVICES_TO_ENABLE_ON_AC="bluetooth wifi wwan"
+
+# Radio devices to disable on battery: bluetooth, wifi, wwan.
+#DEVICES_TO_DISABLE_ON_BAT="bluetooth wifi wwan"
+
+# Radio devices to disable on battery when not in use (not connected):
+# bluetooth, wifi, wwan.
+#DEVICES_TO_DISABLE_ON_BAT_NOT_IN_USE="bluetooth wifi wwan"
+
+# Battery charge thresholds (ThinkPad only, tp-smapi or acpi-call kernel module
+# required). Charging starts when the remaining capacity falls below the
+# START_CHARGE_THRESH value and stops when exceeding the STOP_CHARGE_THRESH value.
+# Main / Internal battery (values in %)
+#START_CHARGE_THRESH_BAT0=75
+#STOP_CHARGE_THRESH_BAT0=80
+# Ultrabay / Slice / Replaceable battery (values in %)
+#START_CHARGE_THRESH_BAT1=75
+#STOP_CHARGE_THRESH_BAT1=80
+
+# Restore charge thresholds when AC is unplugged: 0=disable, 1=enable.
+#RESTORE_THRESHOLDS_ON_BAT=1
+
+# ------------------------------------------------------------------------------
+# tlp-rdw - Parameters for the radio device wizard
+# Possible devices: bluetooth, wifi, wwan.
+
+# Hints:
+# - Parameters are disabled by default, remove the leading # to enable them
+# - Separate multiple radio devices with spaces
+
+# Radio devices to disable on connect.
+#DEVICES_TO_DISABLE_ON_LAN_CONNECT="wifi wwan"
+#DEVICES_TO_DISABLE_ON_WIFI_CONNECT="wwan"
+#DEVICES_TO_DISABLE_ON_WWAN_CONNECT="wifi"
+
+# Radio devices to enable on disconnect.
+#DEVICES_TO_ENABLE_ON_LAN_DISCONNECT="wifi wwan"
+#DEVICES_TO_ENABLE_ON_WIFI_DISCONNECT=""
+#DEVICES_TO_ENABLE_ON_WWAN_DISCONNECT=""
+
+# Radio devices to enable/disable when docked.
+#DEVICES_TO_ENABLE_ON_DOCK=""
+#DEVICES_TO_DISABLE_ON_DOCK=""
+
+# Radio devices to enable/disable when undocked.
+#DEVICES_TO_ENABLE_ON_UNDOCK="wifi"
+#DEVICES_TO_DISABLE_ON_UNDOCK=""
+#+end_src
+
+** X
+
+*** xprofile
+:PROPERTIES:
+:header-args+: :tangle ~/.xprofile
+:END:
+
+=~/.xprofile= is similar in style to =~/.xinitrc=, but on the
+contrary, it's automatically sourced by LightDM, my display manager of
+choice.
+
+#+begin_src sh :tangle no
+xset -b # disable bell
+xset r rate 200 45 # repeat delay (ms) and rate (repeats/sec)
+
+# setxkbmap -option compose:ralt
+
+setxkbmap -option ctrl:nocaps # turn capslock into control
+setxkbmap -option altwin:swap_alt_win # swap alt and super
+
+if [ $(hostname) = "plasma" ]
+then
+ setxkbmap -option ctrl:rctrl_ralt # turn right control into right alt
+fi
+
+if [ $(hostname) = "enigma" ]
+then
+ xmodmap -e "keycode 135 = Alt_R" # remap menu key to alt
+fi
+
+light -Scrs "intel_backlight" 2
+
+source $HOME/.zprofile
+
+export _JAVA_AWT_WM_NONREPARENTING=1
+export _JAVA_OPTIONS='-Dawt.useSystemAAFontSettings=on -Dswing.aatext=true'
+
+if [ $(hostname) = "plasma" ]
+then
+ unlock-def-gk.py &
+fi
+
+bspwm &
+#+end_src
+
+*** xkb us_ab keyboard layout
+
+#+begin_src conf :tangle "/sudo::/usr/share/X11/xkb/symbols/us_ab" :comments none
+default partial alphanumeric_keys
+xkb_symbols "us_ab" {
+ include "us(basic)"
+ name[Group1]= "English (US)(aminb)";
+
+ key <MENU> { [ Alt_R ] };
+};
+#+end_src
+
+** Zsh
+
+My zsh setup is built on [[https://github.com/zimfw/zimfw][Zim]]. Further, my zshrc references [[https://github.com/junegunn/fzf][fzf]],
+[[https://github.com/zsh-users/zsh-autosuggestions][zsh-autosuggestions]], and [[https://github.com/hlissner/zsh-autopair][zsh-autopair]]; so be sure to have them
+installed.
+
+*** zimrc
+:PROPERTIES:
+:header-args+: :tangle ~/.zimrc
+:END:
+
+#+begin_src sh
+#################
+# CORE SETTINGS #
+#################
+
+#
+# Zim settings
+#
+
+# Select what modules you would like enabled.
+# The second line of modules may depend on options set by modules in the first
+# line. These dependencies are noted on the respective module's README.md.
+zmodules=(directory environment git git-info history input ssh utility custom \
+ syntax-highlighting history-substring-search prompt completion)
+
+
+###################
+# MODULE SETTINGS #
+###################
+
+#
+# Prompt
+#
+
+# Set your desired prompt here
+zprompt_theme='pure'
+#PURE_PROMPT_SYMBOL=λ
+#PURE_PROMPT_SYMBOL=δ
+PURE_PROMPT_SYMBOL=➜
+
+#
+# Completion
+#
+
+# set an optional host-specific filename for the completion cache file
+# if none is provided, the default '.zcompdump' is used.
+#zcompdump_file=".zcompdump-${HOST}-${ZSH_VERSION}"
+
+#
+# Utility
+#
+
+# Uncomment to enable command correction prompts
+# See: http://zsh.sourceforge.net/Doc/Release/Options.html#Input_002fOutput
+setopt CORRECT
+
+#
+# Environment
+#
+
+# Set the string below to the desired terminal title format string.
+# The terminal title is redrawn upon directory change, however, variables like
+# ${PWD} are only evaluated once. Use prompt expansion strings for dynamic data:
+# http://zsh.sourceforge.net/Doc/Release/Prompt-Expansion.html#Simple-Prompt-Escapes
+# The example below uses the following format: 'username@host:/current/directory'
+ztermtitle='%n@%m:%~'
+
+#
+# Input
+#
+
+# Uncomment to enable double-dot expansion.
+# This appends '../' to your input for each '.' you type after an initial '..'
+#zdouble_dot_expand='true'
+
+#
+# Syntax-Highlighting
+#
+
+# This determines what highlighters will be used with the syntax-highlighting module.
+# Documentation of the highlighters can be found here:
+# https://github.com/zsh-users/zsh-syntax-highlighting/blob/master/docs/highlighters.md
+# For (u)rxvt, termite and gnome-terminal users,
+# removing the 'cursor' highlighter will fix the disappearing cursor problem
+#zhighlighters=(main brackets cursor)
+zhighlighters=(main brackets pattern)
+
+#
+# SSH
+#
+
+# Load these ssh identities with the ssh module
+zssh_ids=(id_ed25519_bandali)
+
+#
+# Pacman
+#
+
+# Set (optional) pacman front-end.
+zpacman_frontend='yay'
+
+# Load any helper scripts as defined here
+#zpacman_helper=(aur)
+
+
+#+end_src
+
+*** zlogin
+:PROPERTIES:
+:header-args+: :tangle ~/.zlogin
+:END:
+
+#+begin_src sh
+#
+# User configuration sourced by login shells
+#
+
+# Initialize zim
+[[ -s ${ZIM_HOME}/login_init.zsh ]] && source ${ZIM_HOME}/login_init.zsh
+
+#+end_src
+
+*** zprofile
+:PROPERTIES:
+:header-args+: :tangle ~/.zprofile
+:END:
+
+#+begin_src sh
+#PATH="$(ruby -e 'print Gem.user_dir')/bin:$PATH"
+#PATH=$HOME/.gem/ruby/2.4.0/bin:$PATH
+export PATH=$HOME/.local/bin:$HOME/.cabal/bin:$HOME/.cargo/bin:$HOME/.elan/bin:$PATH
+export XDG_CONFIG_HOME=$HOME/.config
+export XDG_DATA_HOME=$HOME/.local/share
+export XDG_DATA_DIRS=/usr/local/share:/usr/share
+export MAILDIR="$HOME/mail"
+export CVS_RSH=ssh
+#export MATHMODELS=$HOME/src/eiffel/mathmodels
+#export RUST_SRC_PATH=~/.multirust/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src
+#export PATH=$PATH:$HOME/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/
+
+# Eiffel2Java stuff
+#export JAVA_HOME=/usr/lib/jvm/default
+#export CPATH=$CPATH:"$JAVA_HOME/include:$JAVA_HOME/include/linux"
+#export LIBRARY_PATH=$LIBRARY_PATH:"$JAVA_HOME/jre/lib/amd64/server"
+#export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:"$JAVA_HOME/jre/lib/amd64/server"
+
+#export PATH="$HOME/usr/build/pvs:$PATH"
+#export SBCLISP_HOME=/usr/share/sbcl-source
+#export PVS_LIBRARY_PATH="$HOME/usr/build/pvs/nasalib"
+
+export MOZ_USE_XINPUT2=1 # precise scrolling in firefox
+
+#export JAVA_HOME=/usr/lib/jvm/java-8-openjdk
+#export ANDROID_JACK_VM_ARGS="-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx4G"
+
+export NIXPKGS=$HOME/src/git/nixpkgs
+
+if [ -e /home/amin/.nix-profile/etc/profile.d/nix.sh ]; then . /home/amin/.nix-profile/etc/profile.d/nix.sh; fi # added by Nix installer
+
+export GUIX_LOCPATH="$HOME/.guix-profile/lib/locale"
+export PATH="/$HOME/.config/guix/current/bin${PATH:+:}$PATH"
+export SSL_CERT_DIR="$HOME/.guix-profile/etc/ssl/certs"
+export SSL_CERT_FILE="$HOME/.guix-profile/etc/ssl/certs/ca-certificates.crt"
+export GIT_SSL_CAINFO="$SSL_CERT_FILE"
+#+end_src
+
+*** zshenv
+:PROPERTIES:
+:header-args+: :tangle ~/.zshenv
+:END:
+
+#+begin_src sh
+# Ensure that a non-login, non-interactive shell has a defined environment.
+if [[ "$SHLVL" -eq 1 && ! -o LOGIN && -s "${ZDOTDIR:-$HOME}/.zprofile" ]]; then
+ source "${ZDOTDIR:-$HOME}/.zprofile"
+fi
+#+end_src
+
+*** zshrc
+:PROPERTIES:
+:header-args+: :tangle ~/.zshrc
+:END:
+
+#+begin_src sh
+# Bash-like navigation
+#export WORDCHARS='*?_-.[]~=&;!#$%^(){}<>'
+#export WORDCHARS='*?-[]~=&;!#$%^(){}<>'
+export WORDCHARS='*?[]~=&;!#$%^(){}<>'
+#ZLE_SPACE_SUFFIX_CHARS=$'|&'
+
+#disable -r time # disable shell reserved word
+#alias time='time -p' # -p for POSIX output
+
+# rehash if last command was pacaur or pacman
+# (so that zsh picks up changes in $PATH immediately)
+TRAPUSR1() { rehash}; precmd() { [[ $history[$[ HISTCMD -1 ]] == *(pacaur|pacman)* ]] && killall -USR1 zsh }
+
+#
+# User configuration sourced by interactive shells
+#
+
+# Define zim location
+export ZIM_HOME=${ZDOTDIR:-${HOME}}/.zim
+
+# Start zim
+[[ -s ${ZIM_HOME}/init.zsh ]] && source ${ZIM_HOME}/init.zsh
+
+ZSH_HIGHLIGHT_PATTERNS+=('rm -rf *' 'fg=white,bold,bg=red')
+#ZSH_HIGHLIGHT_STYLES[unknown-token]='fg=red,bold'
+
+setopt globdots
+
+source ~/.zsh/zsh-autosuggestions/zsh-autosuggestions.zsh
+# source ~/.zsh/zsh-autopair/autopair.zsh
+
+
+### fzf ###
+
+source /usr/share/fzf/key-bindings.zsh
+source /usr/share/fzf/completion.zsh
+
+# Accept history selection instead of putting it on
+# the command line
+fzf-history-widget-accept() {
+ fzf-history-widget
+ zle accept-line
+}
+#zle -N fzf-history-widget-accept
+#bindkey '^R' fzf-history-widget-accept
+
+# alt+c preview
+export FZF_ALT_C_OPTS="--preview 'tree -C {} | head -200'"
+
+### fzf ###
+
+
+# aliases
+alias mpv="mpv --ytdl-format mp4"
+alias mv="mv -iv"
+alias cp="cp -iv"
+alias scl=systemctl
+alias jcl=journalctl
+alias m="mbsync csclub; mbsync uwaterloo; mbsync amin"
+alias best="youtube-dl -f best"
+alias sd="ssh deb"
+alias sf="ssh fp"
+alias sn="ssh nix"
+
+aur() {
+ cd ~/usr/build
+ git clone https://aur.archlinux.org/${1}.git
+ cd ${1}
+}
+
+# i-beam cursor
+echo -e "\033[5 q"
+#echo -e "\033[6 q"
+
+#+end_src
+
projects / ~bandali / configs / blobdiff