Technik Gurus

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===== Datenträger Performance =====

=== Intenso Alu Line 32GB ===

Dell Intel mini PC openSUSE Leap 15.5

Mit dd Image auf Datenträger schreiben: 3,7 MB/s


=== Intenso microSD 64GB ===

Dell Intel mini PC openSUSE Leap 15.5

Mit dd Image auf Datenträger schreiben: 4,2 MB/s


=== SanDisk microSD 16GB ===

Dell Intel mini PC openSUSE Leap 15.5

Mit dd Image auf Datenträger schreiben: 4,4 MB/s


===== Icinga2 Kommunikations Schema =====

[[https://monitoring-portal.org/woltlab/index.php?thread/38330-zeichnung-kommunikation-schema-icinga2-icingaweb2-icingadirector-und-pnp4nagios/]]

{{ :wiki:icinga2_kommunikations_schema_01.odg |}}


{{ :wiki:icinga2_kommunikations_schema_01.pdf |}}




===== Graphite =====

[[http://emmanuel.iffly.free.fr/doku.php?id=linux:graphite_opensuse]]



Mit pip3 Pakete suchen über einen Proxy

  sudo -s pip3 search gmp --proxy https://ronni:geheim@webproxy.example.de:8002
  sudo -s pip3 search gmp --proxy https://ronni:geheim@webproxy.example.de:8000


Mit pip3 Pakete installieren über einen Proxy ✔ LOL

  sudo -s pip3 install python-gvm --upgrade --proxy https://ronni:geheim@webproxy.example.de:8000
==== Python Pakete mit Pip nachinstallieren ====

Zunächst muss der Proxy für pip überwunden werden:

FIXME
With Ubuntu I could not get the proxy option to work as advertised – so following command did not work:

  sudo pip --proxy http://web-proxy.mydomain.com install somepackage

But exporting the https_proxy environment variable (note its https_proxy not http_proxy) did the trick:

  export https_proxy=http://web-proxy.mydomain.com

oder wenn ein spezieller Port verwendet wird:

  export https_proxy=http://webproxy.intra.rodgau.de:8080

weitere Möglichkeit mit Nutzer und Passwort:

  export https_proxy=http://download:geheim@webproxy.example.net:8080
  export http_proxy=http://download:geheim@webproxy.example.net:8080


anschließend pip nutzen: ✔ läuft unter Ubuntu LTS 20.04

  sudo -E pip install somepackage
  
oder falls eine Authentifizierung benötigt wird:

  pip --proxy user:geheim@webproxy.intra.rodgau.de:8080 search graphite-web
  
same here, ''--proxy'' did not work, I had to specify BOTH ''http_proxy'' AND ''https_proxy'' (Debian behind a corp firewall)


  pip install carbon --proxy http://user:geheim@192.168.1.2:8080

=== Update pip ===

<code>
-U, --upgrade
              Upgrade  all  packages to the newest available version.  This process is recursive regardless
              of whether a dependency is already satisfied.
</code>

  pip --upgrade --proxy http://user:geheim@192.168.1.2:8080


=== Package Check ===

  check                 Verify installed packages have compatible dependencies.

<code>
ws19233:~> glxinfo |grep -i memory
    Video memory: 503MB
    Unified memory: no
    GL_EXT_framebuffer_object, GL_EXT_framebuffer_sRGB, GL_EXT_memory_object, 
    GL_EXT_memory_object_fd, GL_EXT_packed_depth_stencil, GL_EXT_packed_float, 
    GL_MESA_texture_signed_rgba, GL_NVX_gpu_memory_info, 
    GL_EXT_gpu_program_parameters, GL_EXT_gpu_shader4, GL_EXT_memory_object, 
    GL_EXT_memory_object_fd, GL_EXT_multi_draw_arrays, 
    GL_MESA_texture_signed_rgba, GL_MESA_window_pos, GL_NVX_gpu_memory_info, 
    GL_EXT_instanced_arrays, GL_EXT_map_buffer_range, GL_EXT_memory_object, 
    GL_EXT_memory_object_fd, GL_EXT_multi_draw_arrays, 
ws19233:~ # lspci -v|grep -A17 -i vga
01:00.0 VGA compatible controller: NVIDIA Corporation GF119 [NVS 310] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: Hewlett-Packard Company Device 094e
        Flags: bus master, fast devsel, latency 0, IRQ 26
        Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (64-bit, prefetchable) [size=128M]
        Memory at e8000000 (64-bit, prefetchable) [size=32M]
        I/O ports at e000 [size=128]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [60] Power Management version 3
        Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [78] Express Endpoint, MSI 00
        Capabilities: [b4] Vendor Specific Information: Len=14 <?>
        Capabilities: [100] Virtual Channel
        Capabilities: [128] Power Budgeting <?>
        Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
        Kernel driver in use: nouveau
        Kernel modules: nouveau
</code>


<code>
testfeld@pc203:~> glxinfo |grep -i memory
    Video memory: 1024MB
    Unified memory: no
    GL_AMD_pinned_memory, GL_AMD_query_buffer_object, 
    GL_MESA_texture_signed_rgba, GL_NVX_gpu_memory_info, 
    GL_AMD_performance_monitor, GL_AMD_pinned_memory, 
    GL_MESA_texture_signed_rgba, GL_MESA_window_pos, GL_NVX_gpu_memory_info, 

pc203:~ # lspci -v|grep -A17 -i vga
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Turks PRO [Radeon HD 6570/7570/8550 / R5 230] (prog-if 00 [VGA controller])
        Subsystem: Hewlett-Packard Company Radeon HD 6570
        Flags: bus master, fast devsel, latency 0, IRQ 26, NUMA node 0
        Memory at d0000000 (64-bit, prefetchable) [size=256M]
        Memory at febc0000 (64-bit, non-prefetchable) [size=128K]
        I/O ports at d000 [size=256]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
        Capabilities: [150] Advanced Error Reporting
        Kernel driver in use: radeon
        Kernel modules: radeon, amdgpu
</code>