我使用 Ubuntu-Studio 20.04.2 LTS。
一段时间以来(大约 2 个月),每次执行系统更新时,我都会收到“来自 Skypeforlinux ppa 的密钥无效”的消息。
这是个人的错误吗?
如何获得该 ppa 的有效关键字?
这是我无法控制的事情吗????
我使用 Ubuntu-Studio 20.04.2 LTS。
一段时间以来(大约 2 个月),每次执行系统更新时,我都会收到“来自 Skypeforlinux ppa 的密钥无效”的消息。
这是个人的错误吗?
如何获得该 ppa 的有效关键字?
这是我无法控制的事情吗????
我使用 Ubuntu Studio 20.04.2 LTS 和 DOSBox 0.74-3 模拟器。
我在主挂载的“C:”虚拟硬盘上创建了一个名为“DOS”的文件夹,并将旧 MS-DOS 6.22 中的所有 DOS 系统程序文件放入该文件夹中。
我说的是“KEYB”、“MEM”等系统程序。
现在,每次我想使用那些旧的 MS-DOS 系统程序文件时,模拟器都会告诉我:“不正确的 DOS 版本”。
我假设(只是猜测)模拟器现在正在从“新”DOS 文件夹中读取,而不是从原始 DOSBox 系统文件夹中读取。
如何让模拟器重新读取原始 DOSBox 系统文件夹?
那个文件夹在哪里?
这是 DOSbox 配置文件:
# This is the configuration file for DOSBox 0.74-3. (Please use the latest version of DOSBox)
# Lines starting with a # are comment lines and are ignored by DOSBox.
# They are used to (briefly) document the effect of each option.
[sdl]
# fullscreen: Start dosbox directly in fullscreen. (Press ALT-Enter to go back)
# fulldouble: Use double buffering in fullscreen. It can reduce screen flickering, but it can also result in a slow DOSBox.
# fullresolution: What resolution to use for fullscreen: original, desktop or fixed size (e.g. 1024x768).
# Using your monitor's native resolution (desktop) with aspect=true might give the best results.
# If you end up with small window on a large screen, try an output different from surface.
# On Windows 10 with display scaling (Scale and layout) set to a value above 100%, it is recommended
# to use a lower full/windowresolution, in order to avoid window size problems.
# windowresolution: Scale the window to this size IF the output device supports hardware scaling.
# (output=surface does not!)
# output: What video system to use for output.
# Possible values: surface, overlay, opengl, openglnb.
# autolock: Mouse will automatically lock, if you click on the screen. (Press CTRL-F10 to unlock)
# sensitivity: Mouse sensitivity.
# waitonerror: Wait before closing the console if dosbox has an error.
# priority: Priority levels for dosbox. Second entry behind the comma is for when dosbox is not focused/minimized.
# pause is only valid for the second entry.
# Possible values: lowest, lower, normal, higher, highest, pause.
# mapperfile: File used to load/save the key/event mappings from. Resetmapper only works with the default value.
# usescancodes: Avoid usage of symkeys, might not work on all operating systems.
fullscreen=false
fulldouble=false
fullresolution=original
windowresolution=original
output=surface
autolock=true
sensitivity=100
waitonerror=true
priority=higher,normal
mapperfile=mapper-0.74-3.map
usescancodes=true
[dosbox]
# language: Select another language file.
# machine: The type of machine DOSBox tries to emulate.
# Possible values: hercules, cga, tandy, pcjr, ega, vgaonly, svga_s3, svga_et3000, svga_et4000, svga_paradise, vesa_nolfb, vesa_oldvbe.
# captures: Directory where things like wave, midi, screenshot get captured.
# memsize: Amount of memory DOSBox has in megabytes.
# This value is best left at its default to avoid problems with some games,
# though few games might require a higher value.
# There is generally no speed advantage when raising this value.
language=
machine=svga_s3
captures=capture
memsize=63
[render]
# frameskip: How many frames DOSBox skips before drawing one.
# aspect: Do aspect correction, if your output method doesn't support scaling this can slow things down!
# scaler: Scaler used to enlarge/enhance low resolution modes. If 'forced' is appended,
# then the scaler will be used even if the result might not be desired.
# To fit a scaler in the resolution used at full screen may require a border or side bars,
# to fill the screen entirely, depending on your hardware, a different scaler/fullresolution might work.
# Possible values: none, normal2x, normal3x, advmame2x, advmame3x, advinterp2x, advinterp3x, hq2x, hq3x, 2xsai, super2xsai, supereagle, tv2x, tv3x, rgb2x, rgb3x, scan2x, scan3x.
frameskip=0
aspect=true
scaler=normal2x
[cpu]
# core: CPU Core used in emulation. auto will switch to dynamic if available and
# appropriate.
# Possible values: auto, dynamic, normal, simple.
# cputype: CPU Type used in emulation. auto is the fastest choice.
# Possible values: auto, 386, 386_slow, 486_slow, pentium_slow, 386_prefetch.
# cycles: Amount of instructions DOSBox tries to emulate each millisecond.
# Setting this value too high results in sound dropouts and lags.
# Cycles can be set in 3 ways:
# 'auto' tries to guess what a game needs.
# It usually works, but can fail for certain games.
# 'fixed #number' will set a fixed amount of cycles. This is what you usually
# need if 'auto' fails. (Example: fixed 4000).
# 'max' will allocate as much cycles as your computer is able to
# handle.
# Possible values: auto, fixed, max.
# cycleup: Amount of cycles to decrease/increase with keycombos.(CTRL-F11/CTRL-F12)
# cycledown: Setting it lower than 100 will be a percentage.
core=auto
cputype=auto
cycles=auto
cycleup=10
cycledown=20
[printer]
# printer: Enable printer emulation.
# dpi: Resolution of printer (default 300).
# width: Width of paper in 1/10 inch (default 85 = 8.5'').
# height: Height of paper in 1/10 inch (default 110 = 11.0'').
# printoutput: Output method for finished pages:
# png : Creates PNG images (default)
# ps : Creates Postscript
# bmp : Creates BMP images (very huge files, not recommend)
#
# multipage: Adds all pages to one Postscript file or printer job until CTRL-F2 is pressed.
# docpath: The path where the output files are stored.
# timeout: (in milliseconds) if nonzero: the time the page will
# be ejected automatically after when no more data
# arrives at the printer.
printer=true
dpi=72
width=85
height=130
printoutput=png
multipage=false
timeout=0
[mixer]
# nosound: Enable silent mode, sound is still emulated though.
# rate: Mixer sample rate, setting any device's rate higher than this will probably lower their sound quality.
# Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
# blocksize: Mixer block size, larger blocks might help sound stuttering but sound will also be more lagged.
# Possible values: 1024, 2048, 4096, 8192, 512, 256.
# prebuffer: How many milliseconds of data to keep on top of the blocksize.
nosound=false
rate=44100
blocksize=1024
prebuffer=25
[midi]
# mpu401: Type of MPU-401 to emulate.
# Possible values: intelligent, uart, none.
# mididevice: Device that will receive the MIDI data from MPU-401.
# Possible values: default, win32, alsa, oss, coreaudio, coremidi, none.
# midiconfig: Special configuration options for the device driver. This is usually the id of the device you want to use
# (find the id with mixer/listmidi).
# Or in the case of coreaudio, you can specify a soundfont here.
# See the README/Manual for more details.
mpu401=intelligent
mididevice=default
midiconfig=
[sblaster]
# sbtype: Type of Soundblaster to emulate. gb is Gameblaster.
# Possible values: sb1, sb2, sbpro1, sbpro2, sb16, gb, none.
# sbbase: The IO address of the soundblaster.
# Possible values: 220, 240, 260, 280, 2a0, 2c0, 2e0, 300.
# irq: The IRQ number of the soundblaster.
# Possible values: 7, 5, 3, 9, 10, 11, 12.
# dma: The DMA number of the soundblaster.
# Possible values: 1, 5, 0, 3, 6, 7.
# hdma: The High DMA number of the soundblaster.
# Possible values: 1, 5, 0, 3, 6, 7.
# sbmixer: Allow the soundblaster mixer to modify the DOSBox mixer.
# oplmode: Type of OPL emulation. On 'auto' the mode is determined by sblaster type. All OPL modes are Adlib-compatible, except for 'cms'.
# Possible values: auto, cms, opl2, dualopl2, opl3, none.
# oplemu: Provider for the OPL emulation. compat might provide better quality (see oplrate as well).
# Possible values: default, compat, fast.
# oplrate: Sample rate of OPL music emulation. Use 49716 for highest quality (set the mixer rate accordingly).
# Possible values: 44100, 49716, 48000, 32000, 22050, 16000, 11025, 8000.
sbtype=sb16
sbbase=220
irq=7
dma=1
hdma=5
sbmixer=true
oplmode=auto
oplemu=default
oplrate=44100
[gus]
# gus: Enable the Gravis Ultrasound emulation.
# gusrate: Sample rate of Ultrasound emulation.
# Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
# gusbase: The IO base address of the Gravis Ultrasound.
# Possible values: 240, 220, 260, 280, 2a0, 2c0, 2e0, 300.
# gusirq: The IRQ number of the Gravis Ultrasound.
# Possible values: 5, 3, 7, 9, 10, 11, 12.
# gusdma: The DMA channel of the Gravis Ultrasound.
# Possible values: 3, 0, 1, 5, 6, 7.
# ultradir: Path to Ultrasound directory. In this directory
# there should be a MIDI directory that contains
# the patch files for GUS playback. Patch sets used
# with Timidity should work fine.
gus=false
gusrate=44100
gusbase=240
gusirq=5
gusdma=3
ultradir=C:\ULTRASND
[speaker]
# pcspeaker: Enable PC-Speaker emulation.
# pcrate: Sample rate of the PC-Speaker sound generation.
# Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
# tandy: Enable Tandy Sound System emulation. For 'auto', emulation is present only if machine is set to 'tandy'.
# Possible values: auto, on, off.
# tandyrate: Sample rate of the Tandy 3-Voice generation.
# Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
# disney: Enable Disney Sound Source emulation. (Covox Voice Master and Speech Thing compatible).
pcspeaker=true
pcrate=44100
tandy=auto
tandyrate=44100
disney=true
[joystick]
# joysticktype: Type of joystick to emulate: auto (default), none,
# 2axis (supports two joysticks),
# 4axis (supports one joystick, first joystick used),
# 4axis_2 (supports one joystick, second joystick used),
# fcs (Thrustmaster), ch (CH Flightstick).
# none disables joystick emulation.
# auto chooses emulation depending on real joystick(s).
# (Remember to reset dosbox's mapperfile if you saved it earlier)
# Possible values: auto, 2axis, 4axis, 4axis_2, fcs, ch, none.
# timed: enable timed intervals for axis. Experiment with this option, if your joystick drifts (away).
# autofire: continuously fires as long as you keep the button pressed.
# swap34: swap the 3rd and the 4th axis. Can be useful for certain joysticks.
# buttonwrap: enable button wrapping at the number of emulated buttons.
joysticktype=auto
timed=true
autofire=false
swap34=false
buttonwrap=false
[serial]
# serial1: set type of device connected to com port.
# Can be disabled, dummy, modem, nullmodem, directserial.
# Additional parameters must be in the same line in the form of
# parameter:value. Parameter for all types is irq (optional).
# for directserial: realport (required), rxdelay (optional).
# (realport:COM1 realport:ttyS0).
# for modem: listenport (optional).
# for nullmodem: server, rxdelay, txdelay, telnet, usedtr,
# transparent, port, inhsocket (all optional).
# Example: serial1=modem listenport:5000
# Possible values: dummy, disabled, modem, nullmodem, directserial.
# serial2: see serial1
# Possible values: dummy, disabled, modem, nullmodem, directserial.
# serial3: see serial1
# Possible values: dummy, disabled, modem, nullmodem, directserial.
# serial4: see serial1
# Possible values: dummy, disabled, modem, nullmodem, directserial.
serial1=dummy
serial2=dummy
serial3=disabled
serial4=disabled
[dos]
# xms: Enable XMS support.
# ems: Enable EMS support.
# umb: Enable UMB support.
# keyboardlayout: Language code of the keyboard layout (or none).
xms=true
ems=true
umb=true
keyboardlayout=auto
keyb la 437
[ipx]
# ipx: Enable ipx over UDP/IP emulation.
ipx=false
[autoexec]
# Lines in this section will be run at startup.
# You can put your MOUNT lines here.
mount c: /media/jjpg/SISTEMA/DOS/
我使用 Ubuntu Studio 20.04.1 LTS。
另外,我使用 OpenShot Video Editor 2.5.1 和 Blender 2.82a。两者都来自其官方稳定版本存储库(不是“快照”版本)。
我知道关于同一问题还有另一个问题,但该问题是关于使用“旧”组件(在今天可用的版本之前)的安装。
当我要求 OpenShot 执行一些内部效果(动画标题)时,它给了我以下错误:
Se necesita Blender, el paquete libre de creación de contenidos en 3D, para realizar esta acción (http://www.blender.org).
Revise las preferencias de OpenShot para asegurarse de que el ejecutable de Blender indicado es correcto. Esta preferencia debe indicar la ruta de acceso del ejecutable «blender» en el equipo. También compruebe que se usa la versión de Blender 2.80 o superior.
Ruta de Blender:
/usr/bin/blender
El error indicó:
No se encontró ningún fotograma en la salida de Blender
用英语讲:
Blender, the free package to create 3D contents, is needed.
Check the Preferences to be sure about the Blender executable is well indicated.
Path of Blender:
/usr/bin/blender
The error indicated:
Not found frame from the Blender output.
但是... Blender 已安装在我的系统中,并且运行良好!
此外,查找 Blender 的标准路径是:usr/bin/blender
那是程序主图标使用的路径。
此外,如果我在终端会话中键入路径,我可以获得 Blender /usr/bin/blender
:.
为什么 OpenShot Video Editor 在这里找不到 Blender?
我怎样才能解决这个问题?
我使用Ubuntu Studio 20.04 LTS。
我下载并安装了应用程序:Video Downloader,它保存在:
/snap/bin/视频下载器
我想知道是否有办法改变最终下载的视频格式。
默认格式为 * .webm。
我看不到任何菜单来设置它。
任何想法????
顺便说一句:我一直在尝试执行来自@andrew.46 的建议,但我只收到以下错误消息:
No se pudieron cargar los esquemas de /snap/video-downloader/current/usr/share/glib-2.0/schemas: Falló al abrir el archivo «/snap/video-downloader/current/usr/share/glib-2.0/schemas/gschemas.compiled»: open() falló: No existe el archivo o el directorio.
(无法从 /snap 加载方案...文件或文件夹不存在)
所以...我不知道该怎么办。
我使用Ubuntu Studio 20.04 LTS。
我发现一些 * .dbg软件包安装到我的系统中。当我使用Synaptic Package Manage r 时,我可以看到它们。
我想知道这些软件包是否绝对必要,我们是否可以安全地卸载它们。
有什么想法?
我正在使用Ubuntu Studio 20.04 LTS,从18.04升级,从16.04 LTS升级。
因为一些问题(与这个问题无关),我发现我有一个名为/etc/apt/sources.list.d
在哪里我可以找到很多引用旧 Ubuntu Studio 版本(eoan
和bionic
)的文件。
我可以安全地删除所有这些文件吗?
我在一台台式机上安装了 Ubuntu Studio 18.04.4,我想将它升级到 20.04 LTS,但是……官方存储库中还没有任何警告。
所以......我想知道是否有某种方法可以以“手动”方式获取最新版本(也许是命令行?)
欢迎任何想法!
我使用Ubuntu Studio 20.04(从19.10升级,从18.04升级)。
我发现,自18.04以来,有很多来自Snap(Gnome 软件中心)的应用程序是Synaptic 包管理器不知道的,反之亦然。
我以为这已经随着岁月的流逝而得到解决,但是......今天也是一样的20.04。
它是默认的吗?
我的配置有问题吗?
我们怎样才能让这两种服务并行工作?
我使用的是 Ubuntu Studio 19.10(我还在等待 20.04 升级,在我的国家似乎还没有)。
在我的笔记本电脑的BIOS系统中,我将内部网络摄像头和麦克风设置为关闭(因为视频播放有些问题,这似乎与机器 CPU 速度慢有关)。
无论如何,因为这些设备在BIOS系统中设置为关闭......我们可以通过一些 Ubuntu 行命令或其他东西将其设置为ON吗?
它旨在了解某些外部攻击的可能性(例如来自网络)。
我使用 Ubuntu Studio 19.10。
我想知道是否有办法将 HHD 运行状态(作为 LED 监视器灯)放入屏幕的标准任务栏中。
这是因为我的笔记本电脑的右侧面板上有这个灯,用户完全看不见。不要问我为什么设计工程师会这样。
有没有办法得到这个?如何?
我使用 Ubuntu Studio 19.10、Linux 5.3.0-40-lowlatency (x86_64)。
一段时间以来,我的一台 PC 正在与一些我从未编程过的进程(应用程序)一起工作:“GZIP”和“SED”(当 gzip 和 sed 工作时,还有其他应用程序占用 CPU 时间,也)。
这些“隐形”工作正在减慢 PC 中的某些内容,例如音频/视频播放或鼠标移动,因为它们会占用 25% 的 CPU 时间(我可以在任务管理器 GUI 中看到它)。
这些不受欢迎的工作可以运行 15 分钟或更长,一天两到三次!
我怎样才能控制和/或完全禁用所有那些不受欢迎的工作?
我使用的是 Ubuntu Studio 19.10,从 19.04 升级,从 18.04.3 升级。
另外,我使用 Jack Audio Connections Kit。
我想知道是否有一种自动方式将 Jack Audio Sink 和 Jack Audio Source 设置为默认值。
每次打开电脑时,我都必须使用 PavuControl 手动将其设置为开启。
有没有办法得到这个?
我使用 Ubuntu Studio 19.04,我将升级过程配置为“任何新版本”,但是......
即使最后一次升级(19.10)已经完成......我这里没有任何新版本升级产品!
怎么了?
或者...我对此有一些“手动”操作吗?
我在三台台式电脑和一台笔记本电脑中使用 Ubuntu Studio 18.04.3,以及额外的反向端口 PPA 来获得 LTS。
大约一周以来,每次我打开我的一台台式电脑时,当所有初始化过程完成时(在桌面完全显示后),我都会收到一条错误消息:
There was a problem with one of the Ubuntu packages.
Do you want to send a report about this?
[Yes] [No]
但是......我想知道我怎么知道哪个包是什么以及什么样的错误?我在哪里可以找到这样的信息?
顺便说一句:每次收到消息时,我都会发送询问的报告,但是......直到现在,我还没有收到来自 Ubuntu 团队的任何消息。