笔者毕业设计使用的ubuntu18.04太卡,但是在更行之前的ubuntu16.04不卡且windows运行良好。想尝试一些方法改善状况,写此博客记录。
一、显卡驱动
1.1如何查看以安装的驱动
sudo lshw -c video
出现
*-display
description: VGA compatible controller
product: GP107M [GeForce GTX 1050 Ti Mobile]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:141 memory:a3000000-a3ffffff memory:90000000-9fffffff memory:a0000000-a1ffffff ioport:4000(size=128) memory:a4080000-a40fffff
*-display
description: VGA compatible controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:139 memory:a2000000-a2ffffff memory:b0000000-bfffffff ioport:5000(size=64) memory:c0000-dffff
可以看出安装的是 GeForce GTX 1050 Ti Mobile 。
1.2如何查看需要安装的驱动
ubuntu-drivers devices
出现
== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias : pci:v000010DEd00001C8Csv000017AAsd000039FDbc03sc00i00
vendor : NVIDIA Corporation
model : GP107M [GeForce GTX 1050 Ti Mobile]
driver : nvidia-driver-460 - distro non-free
driver : nvidia-driver-450-server - distro non-free
driver : nvidia-driver-495 - distro non-free recommended
driver : nvidia-driver-460-server - distro non-free
driver : nvidia-driver-418-server - distro non-free
driver : nvidia-driver-470 - distro non-free
driver : nvidia-driver-390 - distro non-free
driver : nvidia-driver-470-server - distro non-free
driver : xserver-xorg-video-nouveau - distro free builtin
== /sys/devices/pci0000:00/0000:00:1d.4/0000:07:00.0 ==
modalias : pci:v00008086d00003166sv00008086sd00004210bc02sc80i00
vendor : Intel Corporation
model : Dual Band Wireless-AC 3165 Plus Bluetooth
manual_install: True
driver : backport-iwlwifi-dkms - distro free
可以看出推荐的是nvidia-driver-495。
1.3如何安装需要的驱动
sudo ubuntu-drivers autoinstall
1.3.1卸载Nouveau
二、buntu swap分区
2.1 如何查看 swap 分区大小
装ubuntu的时候印象中是挺大的,映象中是8G,查询其他博客后看到俩中方法
cat /proc/swaps
Filename Type Size Used Priority
/dev/sda7 partition 1000444 0 -2
free -m
总计 已用 空闲 共享 缓冲/缓存 可用
内存: 7849 2507 3567 372 1774 4695
交换: 976 0 976
一个查询到是1000444,一个是976,应该是单位问题,976*1024后比较接近。