我需要安装 KiCad V5，但是当我使用 apt 命令时，它只能安装版本 4，如下所示：
notebook:/media/so/ACAC8B5FAC8B2346/Elasa/Softwares/Linux's/Electronic/Kicad/Libraries/kipi-0.2.1$ sudo apt-cache madison kicad
kicad | 4.0.5+dfsg1-4~bpo8+1 | http://archive.debian.org/debian jessie-backports/main amd64 Packages
kicad | 0.20140622+bzr4027-3 | http://ftp.de.debian.org/debian jessie/main amd64 Packages
kicad | 0.20140622+bzr4027-3 | http://cdn-fastly.deb.debian.org/debian jessie/main amd64 Packages
so@notebook:/media/so/ACAC8B5FAC8B2346/Elasa/Softwares/Linux's/Electronic/Kicad/Libraries/kipi-0.2.1$ apt-cache policy kicad
kicad:
Installed: (none)
Candidate: 0.20140622+bzr4027-3
Version table:
4.0.5+dfsg1-4~bpo8+1 100
100 http://archive.debian.org/debian jessie-backports/main amd64 Packages
0.20140622+bzr4027-3 500
500 http://ftp.de.debian.org/debian jessie/main amd64 Packages
500 http://cdn-fastly.deb.debian.org/debian jessie/main amd64 Packages
另外，我无法通过其Linux mint 的下载链接，有说：
要通过 PPA 安装 KiCad，您可以使用软件管理器：
Open the Software Manager. Select 'Edit' → 'Software Sources…'. Open the 'Other Software' tab. Click 'Add…', and enter the PPA address: ppa:js-reynaud/kicad-5.1 and then click the 'Add Source' button. When prompted insert the administrator user password. Return to the Software Manager and view the Progress tab to see when the cache has finished updating. Return to the Software Manager main screen, search for 'kicad', and install it.KiCad 原理图库和文档位于单独的包中。如果您需要其中任何一个，请分别安装 kicad-library 和 kicad-doc。
如果您更喜欢使用 shell，可以在终端中输入以下命令：
sudo add-apt-repository --yes ppa:js-reynaud/kicad-5.1 sudo apt update
sudo apt install --install-suggests kicad
所以你可以看到我的 Linux LMDE mint 中没有编辑选项：
我也无法运行此代码：
aries/kipi-0.2.1$ sudo add-apt-repository --yes ppa:js-reynaud/kicad-5.1
Adding PPAs is not supported
我问过这件事这里，无论如何，我尝试按照建议安装它的 v5这里，但正如我提到的，我无法使用它的自站点指令安装它。
所以我想知道 kicad V5 的源文件在哪里，或者是否可以通过 bash 安装它，例如：
sudo apt install kicad=5
但正如我上面所说，只有 Kicad V4：
这是因为 Linux 服务器设置，还是因为我来自伊朗（有许多来自政府方面或国际制裁政策的 ISP 过滤器）。
更新：
基于这个问题有关我的系统设置的更多信息：
$ inxi -Fxzd
System:
Host: notebook Kernel: 4.9.0-9-amd64 x86_64 bits: 64 compiler: gcc v: 6.3.0
Desktop: Cinnamon 4.0.10 Distro: LMDE 3 Cindy base: Debian 9.3 stretch
Machine:
Type: Laptop System: LENOVO product: 80TV v: Lenovo ideapad 310-15IKB
serial: <filter>
Mobo: LENOVO model: Torronto 5C2 v: NO DPK serial: <filter>
UEFI [Legacy]: LENOVO v: 3JCN26WW date: 03/07/2017
Battery:
ID-1: BAT0 charge: 13.6 Wh condition: 13.6/30.0 Wh (45%) model: SMP L15M2PB3
status: Full
CPU:
Topology: Dual Core model: Intel Core i7-7500U bits: 64 type: MT MCP
arch: Kaby Lake rev: 9 L2 cache: 4096 KiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 23232
Speed: 923 MHz min/max: 400/3500 MHz Core speeds (MHz): 1: 923 2: 801 3: 800
4: 800
Graphics:
Device-1: Intel vendor: Lenovo driver: i915 v: kernel bus ID: 00:02.0
Device-2: NVIDIA GM108M [GeForce 920MX] vendor: Lenovo driver: nouveau
v: kernel bus ID: 03:00.0
Display: x11 server: X.Org 1.19.2 driver: modesetting,nouveau
unloaded: fbdev,vesa resolution: 1920x1080~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 620 (Kabylake GT2)
v: 4.5 Mesa 13.0.6 direct render: Yes
Audio:
Device-1: Intel vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 00:1f.3
Sound Server: ALSA v: k4.9.0-9-amd64
Network:
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: Lenovo driver: r8168 v: 8.043.02-NAPI port: 5000 bus ID: 01:00.0
IF: enp1s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Device-2: Realtek RTL8821AE 802.11ac PCIe Wireless Network Adapter
vendor: Lenovo driver: rtl8821ae v: kernel port: 4000 bus ID: 02:00.0
IF: wlp2s0 state: up mac: <filter>
IF-ID-1: as0t0 state: unknown speed: 10 Mbps duplex: full mac: N/A
IF-ID-2: as0t1 state: unknown speed: 10 Mbps duplex: full mac: N/A
IF-ID-3: as0t2 state: unknown speed: 10 Mbps duplex: full mac: N/A
IF-ID-4: as0t3 state: unknown speed: 10 Mbps duplex: full mac: N/A
IF-ID-5: as0t4 state: unknown speed: 10 Mbps duplex: full mac: N/A
IF-ID-6: as0t5 state: unknown speed: 10 Mbps duplex: full mac: N/A
IF-ID-7: as0t6 state: unknown speed: 10 Mbps duplex: full mac: N/A
IF-ID-8: as0t7 state: unknown speed: 10 Mbps duplex: full mac: N/A
Drives:
Local Storage: total: 1.82 TiB used: 642.34 GiB (34.5%)
ID-1: /dev/sda vendor: Seagate model: ST2000LM003 HN-M201RAD size: 1.82 TiB
Optical-1: /dev/sr0 vendor: HL-DT-ST model: DVDRAM GUE0N rev: T.02
dev-links: cdrom,cdrw,dvd,dvdrw
Features: speed: 24 multisession: yes audio: yes dvd: yes
rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
Partition:
ID-1: / size: 196.17 GiB used: 29.87 GiB (15.2%) fs: ext4 dev: /dev/sda7
ID-2: /home size: 196.17 GiB used: 182.16 GiB (92.9%) fs: ext4 dev: /dev/sda3
Sensors:
System Temperatures: cpu: 41.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info:
Processes: 337 Uptime: 23h 18m Memory: 11.64 GiB used: 8.13 GiB (69.8%)
Init: systemd runlevel: 5 Compilers: gcc: 6.3.0 Shell: bash v: 4.4.12
inxi: 3.0.32
aries/kipi-0.2.1$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 003: ID 174f:2408 Syntek
Bus 001 Device 008: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
感谢您的时间和考虑
答案1
请用
sudo add-apt-repository --yes ppa:js-reynaud/kicad-5.1 && sudo apt update && sudo apt upgrade && sudo apt install --install-suggests kicad