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Random-Ubuntu-User's questions

Martin Hope
Random-Ubuntu-User
Asked: 2021-10-31 12:58:59 +0800 CST
  • 5

我在磁盘上搜索了某个文件名，然后得到了整台电脑的结果。我确保文件管理器窗口像这样在磁盘（CANON_DC）内并搜索了ike。在此处输入图像描述

文件管理器窗口位于 CANON_DC 中。从一些目录名称可以看出，例如 Documents/Jeshua.. 和 Pictues/fun photos... 所有这些都来自主文件夹。我得到了整台电脑的文件；不仅仅是磁盘。我怎样才能缩小这个范围？

files
Martin Hope
Random-Ubuntu-User
Asked: 2021-10-22 08:44:31 +0800 CST
  • 1

我在我的树莓派 4b 上进行了从 ubuntu 21.04 到 21.10 的更新，在进行到一半时，我关闭了更新窗口（大错误）。当我稍后尝试更新它时，更新窗口就像一个奇怪的、不可读的、几乎没有渲染的污点。可能有什么问题？这里是。（我能用所有的故障和所有故障截取这张截图真是一个奇迹。）

在此处输入图像描述

那是现在的软件更新程序窗口。这是怎么回事？它似乎正在安装，因为时不时会弹出窗口，要求我批准某些东西或选择东西。

21.04
Martin Hope
Random-Ubuntu-User
Asked: 2021-10-20 10:48:28 +0800 CST
  • 2

我刚刚通过终端安装了 openshot 视频编辑器：本教程https://www.ubuntupit.com/install-openshot-video-editor-ubuntu-linux-mint/ on ubuntu 21.04 on a raspberry pi 4b。我试图启动它，但它显示了这个故障警告并且 openshot 没有启动。

在此处输入图像描述

这是 N0rbert 想让我在终端做的事情（我一开始没有得到），但就是这样。在此底部，有一个额外的终端条目 NObert 希望我添加，所以我也这样做了。

pi@pi-raspberrypi:~$ sudo su
[sudo] password for pi: 
root@pi-raspberrypi:/home/pi# apt-cache policy openshot
openshot:
  Installed: (none)
  Candidate: 2.5.1+dfsg1-1
  Version table:
     2.5.1+dfsg1-1 500
        500 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 Packages
root@pi-raspberrypi:/home/pi# snap list | grep -i openshot
root@pi-raspberrypi:/home/pi#  flatpak list | grep -i openshot
Command 'flatpak' not found, but can be installed with:
apt install flatpak
root@pi-raspberrypi:/home/pi# apt install flatpak
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  libappstream-glib8 libmalcontent-0-0 libostree-1-1
Suggested packages:
  malcontent-gui
The following NEW packages will be installed:
  flatpak libappstream-glib8 libmalcontent-0-0 libostree-1-1
0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 1,460 kB of archives.
After this operation, 5,902 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 libappstream-glib8 arm64 0.7.18-1 [129 kB]
Get:2 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 libmalcontent-0-0 arm64 0.10.0-2 [19.8 kB]
Get:3 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 libostree-1-1 arm64 2020.8-2 [266 kB]
Get:4 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 flatpak arm64 1.10.2-1ubuntu1 [1,045 kB]
Fetched 1,460 kB in 1s (1,516 kB/s)
Selecting previously unselected package libappstream-glib8:arm64.
(Reading database ... 276399 files and directories currently installed.)
Preparing to unpack .../libappstream-glib8_0.7.18-1_arm64.deb ...
Unpacking libappstream-glib8:arm64 (0.7.18-1) ...
Selecting previously unselected package libmalcontent-0-0:arm64.
Preparing to unpack .../libmalcontent-0-0_0.10.0-2_arm64.deb ...
Unpacking libmalcontent-0-0:arm64 (0.10.0-2) ...
Selecting previously unselected package libostree-1-1:arm64.
Preparing to unpack .../libostree-1-1_2020.8-2_arm64.deb ...
Unpacking libostree-1-1:arm64 (2020.8-2) ...
Selecting previously unselected package flatpak.
Preparing to unpack .../flatpak_1.10.2-1ubuntu1_arm64.deb ...
Unpacking flatpak (1.10.2-1ubuntu1) ...
Setting up libappstream-glib8:arm64 (0.7.18-1) ...
Setting up libostree-1-1:arm64 (2020.8-2) ...
Setting up libmalcontent-0-0:arm64 (0.10.0-2) ...
Setting up flatpak (1.10.2-1ubuntu1) ...
Processing triggers for man-db (2.9.4-2) ...
Processing triggers for dbus (1.12.20-1ubuntu3) ...
Processing triggers for libc-bin (2.33-0ubuntu5) ...
root@pi-raspberrypi:/home/pi# snap list | grep -i openshot
root@pi-raspberrypi:/home/pi# which openshot
root@pi-raspberrypi:/home/pi# 

pi@pi-raspberrypi:~$ apt-cache  policy openshot-qt libopenshot
openshot-qt:
  Installed: 2.6.0+dfsg2+1454+202108251849~ubuntu21.04.1
  Candidate: 2.6.0+dfsg2+1454+202108251849~ubuntu21.04.1
  Version table:
 *** 2.6.0+dfsg2+1454+202108251849~ubuntu21.04.1 500
        500 http://ppa.launchpad.net/openshot.developers/ppa/ubuntu hirsute/main arm64 Packages
        100 /var/lib/dpkg/status
     2.5.1+dfsg1-1 500
        500 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 Packages
libopenshot:
  Installed: (none)
  Candidate: (none)
  Version table:
pi@pi-raspberrypi:~$

我在一个终端会话中一个接一个地完成了这些条目，再加上几个。这些是诺伯特在对这个问题的评论中提出的，所以我在这里做了。我尝试在终端中运行apt-update，full-upgrade但没有升级。我将如何安装最新的安装程序？我怎样才能解决这个问题？

command-line
Martin Hope
Random-Ubuntu-User
Asked: 2021-10-01 07:27:39 +0800 CST
  • 0

两三天前就开始了。我在树莓派 4b 上安装了 ubuntu 21.04，并在其上安装了 lmms。它工作得很好，但是有一天，我尝试从 pulseaudio 切换到 jackd2 作为音频服务器。我把延迟降到最低。（我会显示一个屏幕截图，但 lmms gui 不起作用。）它显示启动屏幕，但现在它不会显示 gui。有时会弹出一个错误窗口，说“ubuntu 有内部错误”，另一个说“lmms 意外关闭”。每次我尝试时它都不会这样做；有时它什么也没有显示。它只是没有调出gui。我尝试通过终端启动 lmms，这些是它产生的错误日志。

pi@pi-raspberrypi:~$ lmms
Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
Notice: could not set realtime priority.
Cannot connect to server socket err = Connection refused
Cannot connect to server request channel
jackdmp 1.9.17
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2016 Grame.
Copyright 2016-2021 Filipe Coelho.
jackdmp comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
JACK server starting in realtime mode with priority 10
self-connect-mode is "Don't restrict self connect requests"
audio_reservation_init
Acquire audio card Audio0
creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit
ALSA: Cannot open PCM device alsa_pcm for capture. Falling back to playback-only mode
configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods
ALSA: final selected sample format for playback: 16bit little-endian
ALSA: use 2 periods for playback
Cannot use real-time scheduling (RR/10) (1: Operation not permitted)
AcquireSelfRealTime error
Cannot use real-time scheduling (RR/5) (1: Operation not permitted)
JackClient::AcquireSelfRealTime error
JackEngine::XRun: client = lmms was not finished, state = Running
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
JackEngine::XRun: client = lmms was not finished, state = Triggered
JackAudioDriver::ProcessGraphAsyncMaster: Process error
Destination port in attempted (dis)connection of system:playback_2 and  is not an input port
Segmentation fault (core dumped)
pi@pi-raspberrypi:~$ Destination port in attempted (dis)connection of system:playback_2 and  is not an input port
JackGraphManager::Disconnect: port_src = 10 not used name = 
Input port index = 10 not found for application ref = 2
Unknown error...
terminate called after throwing an instance of 'Jack::JackTemporaryException'
  what():

我以几种不同的方式重新安装了 lmms，例如通过终端使用 snap、通过 snap sotre 进行 snap 以及通过 apt 终端进行 snap，但它也有同样的问题。知道可以做些什么来修复它吗？似乎与错误安装的千斤顶有关。我尝试重新安装我能找到的所有 jack、libjack 和 jackd 软件包，但还没有修复。

pulseaudio