我正在尝试将我的旧电脑用于开发目的 (LAMP)，我决定运行 lubuntu，希望它性能良好，但不需要太多花哨的东西。因此，从实时映像安装了它，并安装了 libreoffice、mysql 和 php ... 基本上就是这样。
好吧，大多数时候计算机的响应是可以接受的，但浏览器（无论是 Falkon 还是 Firefox）有时会冻结（在我开发或不开发时），特别是当它们运行超过 1 小时时。任何点击都没有反应，即使我点击了其他应用程序（例如 gedit）。我必须耐心等待。注意到这些问题后，我创建了一个 8GB 的 SWAP 内存。冻结仍然会发生
使用顶部我注意到，当问题发生时，Firefox 显然消耗了大部分 CPU，RAM 内存“几乎已满”（但交换内存略低于 50%）。
评论：在发生冻结之后对 htop 进行评估，因为与此同时屏幕被“冻结”。
gustavo@gustavo-spinsp11133:~$ free -h
total used free shared buff/cache available
Mem: 3.6Gi 2.6Gi 290Mi 555Mi 790Mi 287Mi
Swap: 8.3Gi 3.1Gi 5.2Gi
我目前的解决方法是关闭浏览器，耐心等待后重新打开。好了！问题解决了，就像什么事都没发生过一样。
我担心如今的浏览器无法再在 1.1GHZ 4GB RAM 下运行 :-(，但实际上，我记得我们曾经在 64MB RAM 下运行浏览器……
问题
- 我怀疑这台机器的内核配置没有正确设置，在哪里可以找到正确设置它的方法？
- 如何配置（如果可能的话) Falkon 或者最好是 Firefox 可以在低配置电脑上运行？
信息来自硬信息
-Computer-
Processor : Intel(R) Celeron(R) N4020 CPU @ 1.10GHz
Memory : 3819MB (2629MB used)
Machine Type : Laptop
Operating System : Ubuntu 22.04.2 LTS
User Name : gustavo (Gustavo Laufer)
Date/Time : Tue 20 Jun 2023 08:45:28
-Display-
Resolution : 3926x1440 pixels
OpenGL Renderer : Mesa Intel(R) UHD Graphics 600 (GLK 2)
X11 Vendor : The X.Org Foundation
-Audio Devices-
Audio Adapter : HDA-Intel - HDA Intel PCH
-Input Devices-
Lid Switch
Power Button
Power Button
AT Translated Set 2 keyboard
Video Bus
Acer Wireless Radio Control
06CB0001:00 06CB:CD3F Mouse
06CB0001:00 06CB:CD3F Touchpad
Acer WMI hotkeys
FTSC1000:00 2808:509C
FTSC1000:00 2808:509C UNKNOWN
VGA WebCam: VGA WebCam
HDA Intel PCH Mic
HDA Intel PCH Headphone
HDA Intel PCH HDMI/DP,pcm:3
HDA Intel PCH HDMI/DP,pcm:7
HDA Intel PCH HDMI/DP,pcm:8
HDA Intel PCH HDMI/DP,pcm:9
HDA Intel PCH HDMI/DP,pcm:10
Microsoft Microsoft® 2.4GHz Transceiver v8.0
Microsoft Microsoft® 2.4GHz Transceiver v8.0 Mouse
Microsoft Microsoft® 2.4GHz Transceiver v8.0 Consumer Control
Microsoft Microsoft® 2.4GHz Transceiver v8.0 Consumer Control
Microsoft Microsoft® 2.4GHz Transceiver v8.0 System Control
-Printers-
No printers found
操作系统
Kernel : Linux 5.19.0-43-generic (x86_64)
Version : #44~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Mon May 22 13:39:36 UTC 2
C Library : GNU C Library / (Ubuntu GLIBC 2.35-0ubuntu3.1) 2.35
Distribution : Ubuntu 22.04.2 LTS
-Current Session-
Computer Name : gustavo-spinsp11133
User Name : gustavo (Gustavo Laufer)
Language : LC_CTYPE=en_GB.UTF-8;LC_NUMERIC=en_AU.UTF-8;LC_TIME=en_AU.UTF-8;LC_COLLATE=en_GB.UTF-8;LC_MONETARY=en_AU.UTF-8;LC_MESSAGES=en_GB.UTF-8;LC_PAPER=en_AU.UTF-8;LC_NAME=en_AU.UTF-8;LC_ADDRESS=en_AU.UTF-8;LC_TELEPHONE=en_AU.UTF-8;LC_MEASUREMENT=en_AU.UTF-8;LC_IDENTIFICATION=en_AU.UTF-8 (en_GB.UTF-8)
Home Directory : /home/gustavo
-Misc-
Uptime : 4 days 16 hours 5 minutes
Load Average : 1.32, 1.36, 1.74
Available entropy in /dev/random : 256 bits (medium)
内核模块
-Loaded Modules-
cpuid : x86 generic CPUID driver
nfnetlink : Netfilter messages via netlink socket
ccm : Counter with CBC MAC
rfcomm : Bluetooth RFCOMM ver 1.11
cmac : CMAC keyed hash algorithm
algif_hash
algif_skcipher
af_alg
bnep : Bluetooth BNEP ver 1.3
snd_sof_pci_intel_apl
snd_sof_intel_hda_common
soundwire_intel : Intel Soundwire Link Driver
soundwire_generic_allocation : SoundWire Generic Bandwidth Allocation
soundwire_cadence : Cadence Soundwire Library
snd_sof_intel_hda
snd_sof_pci
snd_sof_xtensa_dsp : SOF Xtensa DSP support
snd_sof : Sound Open Firmware (SOF) Core
snd_sof_utils
soundwire_bus : SoundWire bus
snd_soc_avs : Intel cAVS sound driver
snd_soc_skl : Intel Skylake ASoC HDA driver
intel_pmc_bxt : Intel Broxton PMC driver
snd_soc_hdac_hda : ASoC Extensions for legacy HDA Drivers
intel_telemetry_pltdrv : Intel SoC Telemetry Platform Driver
snd_hda_ext_core : HDA extended core
snd_soc_sst_ipc : Intel SST IPC generic
intel_rapl_msr : Driver for Intel RAPL (Running Average Power Limit) control via MSR interface
intel_punit_ipc : Intel P-Unit IPC driver
intel_telemetry_core : Intel SoC Telemetry Interface
snd_soc_sst_dsp : Intel SST Core
x86_pkg_temp_thermal : X86 PKG TEMP Thermal Driver
snd_soc_acpi_intel_match : Intel Common ACPI Match module
snd_soc_acpi : ALSA SoC ACPI module
snd_soc_core : ALSA SoC Core
intel_powerclamp : Package Level C-state Idle Injection for Intel CPUs
coretemp : Intel Core temperature monitor
snd_compress : ALSA Compressed offload framework
ac97_bus
snd_hda_codec_hdmi : HDMI HD-audio codec
snd_pcm_dmaengine
kvm_intel
snd_hda_codec_realtek : Realtek HD-audio codec
snd_hda_codec_generic : Generic HD-audio codec parser
ledtrig_audio : LED trigger for audio mute control
snd_hda_intel : Intel HDA driver
snd_intel_dspcfg : Intel DSP config driver
kvm
snd_intel_sdw_acpi : Intel Soundwire ACPI helpers
uvcvideo : USB Video Class driver
snd_hda_codec : HDA codec core
rapl
snd_hda_core : HD-audio bus
btusb : Generic Bluetooth USB driver ver 0.8
videobuf2_vmalloc : vmalloc memory handling routines for videobuf2
intel_cstate
snd_hwdep : Hardware dependent layer
videobuf2_memops : common memory handling routines for videobuf2
serio_raw : Raw serio driver
btrtl : Bluetooth support for Realtek devices ver 0.1
binfmt_misc
btbcm : Bluetooth support for Broadcom devices ver 0.1
btintel : Bluetooth support for Intel devices ver 0.1
btmtk : Bluetooth support for MediaTek devices ver 0.1
videobuf2_v4l2 : Driver helper framework for Video for Linux 2
rtsx_usb_ms : Realtek USB Memstick Card Host Driver
memstick : Sony MemoryStick core driver
iwlmvm : The new Intel(R) wireless AGN driver for Linux
nls_iso8859_1
videobuf2_common : Media buffer core framework
snd_pcm : Midlevel PCM code for ALSA.
bluetooth : Bluetooth Core ver 2.22
mac80211 : IEEE 802.11 subsystem
input_leds : Input -> LEDs Bridge
snd_seq_midi : Advanced Linux Sound Architecture sequencer MIDI synth.
joydev : Joystick device interfaces
videodev : Video4Linux2 core driver
acer_wmi : Acer Laptop WMI Extras Driver
snd_seq_midi_event : MIDI byte <-> sequencer event coder
sparse_keymap : Generic support for sparse keymaps
libarc4
ecdh_generic : ECDH generic algorithm
mc : Device node registration for media drivers
snd_rawmidi : Midlevel RawMidi code for ALSA.
ecc
wmi_bmof : WMI embedded Binary MOF driver
snd_seq : Advanced Linux Sound Architecture sequencer.
snd_seq_device : ALSA sequencer device management
hid_multitouch : HID multitouch panels
snd_timer : ALSA timer interface
bmc150_accel_i2c : BMC150 I2C accelerometer driver
bmc150_accel_core : BMC150 accelerometer driver
iwlwifi : Intel(R) Wireless WiFi driver for Linux
industrialio_triggered_buffer : IIO helper functions for setting up triggered buffers
snd : Advanced Linux Sound Architecture driver for soundcards.
kfifo_buf
cfg80211 : wireless configuration support
mei_me : Intel(R) Management Engine Interface
soundcore : Core sound module
mei : Intel(R) Management Engine Interface
industrialio : Industrial I/O core
processor_thermal_device_pci_legacy : Processor Thermal Reporting Device Driver
acer_wireless : Acer Wireless Radio Control Driver
processor_thermal_device : Processor Thermal Reporting Device Driver
processor_thermal_rfim
processor_thermal_mbox
mac_hid
processor_thermal_rapl
intel_rapl_common : Intel Runtime Average Power Limit (RAPL) common code
soc_button_array
int3403_thermal : ACPI INT3403 thermal driver
int3400_thermal : INT3400 Thermal driver
intel_soc_dts_iosf
int340x_thermal_zone : Intel INT340x common thermal zone handler
acpi_thermal_rel : Intel acpi thermal rel misc dev driver
sch_fq_codel : Fair Queue CoDel discipline
msr : x86 generic MSR driver
parport_pc : PC-style parallel port driver
ppdev
lp
parport
ramoops : RAM Oops/Panic logger/driver
pstore_blk : pstore backend for block devices
pstore_zone : Storage Manager for pstore/blk
reed_solomon : Reed Solomon encoder/decoder
efi_pstore : EFI variable backend for pstore
ip_tables : IPv4 packet filter
x_tables : {ip,ip6,arp,eb}_tables backend module
autofs4
btrfs
blake2b_generic : BLAKE2b generic implementation
xor
raid6_pq : RAID6 Q-syndrome calculations
libcrc32c : CRC32c (Castagnoli) calculations
dm_mirror : device-mapper mirror target
dm_region_hash : device-mapper region hash
dm_log : device-mapper dirty region log
rtsx_usb_sdmmc : Realtek USB SD/MMC Card Host Driver
usbhid : USB HID core driver
rtsx_usb : Realtek USB Card Reader Driver
i915 : Intel Graphics
drm_buddy : DRM Buddy Allocator
i2c_algo_bit : I2C-Bus bit-banging algorithm
ttm : TTM memory manager subsystem (for DRM device)
drm_display_helper : DRM display adapter helper
cec : Device node registration for cec drivers
rc_core
crct10dif_pclmul : T10 DIF CRC calculation accelerated with PCLMULQDQ.
crc32_pclmul
drm_kms_helper : DRM KMS helper
ghash_clmulni_intel : GHASH hash function, accelerated by PCLMULQDQ-NI
syscopyarea : Generic copyarea (sys-to-sys)
sysfillrect : Generic fill rectangle (sys-to-sys)
hid_generic : HID generic driver
mmc_block : Multimedia Card (MMC) block device driver
aesni_intel : Rijndael (AES) Cipher Algorithm, Intel AES-NI instructions optimized
sysimgblt : 1-bit/8-bit to 1-32 bit color expansion (sys-to-sys)
fb_sys_fops : Generic file read (fb in system RAM)
crypto_simd
i2c_hid_acpi : HID over I2C ACPI driver
sdhci_pci : Secure Digital Host Controller Interface PCI driver
i2c_i801 : I801 SMBus driver
cryptd : Software async crypto daemon
drm : DRM shared core routines
xhci_pci : xHCI PCI Host Controller Driver
intel_lpss_pci : Intel LPSS PCI driver
ahci : AHCI SATA low-level driver
i2c_hid : HID over I2C core driver
cqhci : Command Queue Host Controller Interface driver
sdhci : Secure Digital Host Controller Interface core driver
i2c_smbus : SMBus protocol extensions support
xhci_pci_renesas
intel_lpss : Intel LPSS core driver
idma64 : iDMA64 core driver
libahci : Common AHCI SATA low-level routines
hid
wmi : ACPI-WMI Mapping Driver
video : ACPI Video Driver
pinctrl_geminilake : Intel Gemini Lake SoC pinctrl/GPIO driver
z3fold : 3-Fold Allocator for Compressed Pages
lz4 : LZ4 Compression Algorithm
lz4_compress : LZ4 compressor
记忆
MemTotal Total Memory 3819120 KiB
MemFree Free Memory 304068 KiB
MemAvailable 328620 KiB
Buffers 4552 KiB
Cached 803760 KiB
SwapCached Cached Swap 234920 KiB
Active 704524 KiB
Inactive 746264 KiB
Active(anon) 586852 KiB
Inactive(anon) 659976 KiB
Active(file) 117672 KiB
Inactive(file) 86288 KiB
Unevictable 95504 KiB
Mlocked 64 KiB
SwapTotal Virtual Memory 8716280 KiB
SwapFree Free Virtual Memory 5799400 KiB
Zswap 1113376 KiB
Zswapped 2419164 KiB
Dirty 688 KiB
Writeback 0 KiB
AnonPages 704248 KiB
Mapped 149960 KiB
Shmem 604352 KiB
KReclaimable 91956 KiB
Slab 672232 KiB
SReclaimable 91956 KiB
SUnreclaim 580276 KiB
KernelStack 14672 KiB
PageTables 37496 KiB
NFS_Unstable 0 KiB
Bounce 0 KiB
WritebackTmp 0 KiB
CommitLimit 10625840 KiB
Committed_AS 10681752 KiB
VmallocTotal -1 KiB
VmallocUsed 63072 KiB
VmallocChunk 0 KiB
Percpu 4192 KiB
HardwareCorrupted 0 KiB
AnonHugePages 0 KiB
ShmemHugePages 0 KiB
ShmemPmdMapped 0 KiB
FileHugePages 0 KiB
FilePmdMapped 0 KiB
HugePages_Total 0
HugePages_Free 0
HugePages_Rsvd 0
HugePages_Surp 0
Hugepagesize 2048 KiB
Hugetlb 0 KiB
DirectMap4k 818236 KiB
DirectMap2M 3178496 KiB
DirectMap1G 2097152 KiB```