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--- computer:bash_snippets [2018-09-21 22:22] – skrupellos
+++ computer:bash_snippets [2020-11-18 18:11] (current) – external edit 127.0.0.1
@@ Line 2: / Line 2: @@
 http://www.commandlinefu.com
+===== Git =====
+<code bash>
+git checkout  -b test5 && git rebase --autosquash --interactive  --root test5
+</code>
 ===== Play YouTube Playlists =====
 <code bash>
@@ Line 7: / Line 11: @@
     -f 'bestvideo[vcodec=vp9]+bestaudio[acodec=opus]' \
     --merge-output-format mkv \
-    -o '%(playlist_index)s - %(title)s (%(id)s).%(ext)s' \
+    -o 'id_%(playlist_index)s - %(title)s (%(id)s).%(ext)s' \
     --playlist-start 1 \
     --playlist-end 19 \
     'https://youtube.com/playlist/url'
-mkvmerge -o 001-019.mkv  $*$
+mkvmerge -o all_001-019.mkv \[ id_{1..19}\ * \]
-mpv --save-position-on-quit 001-019.mkv
+mpv --save-position-on-quit all_001-019.mkv
 </code>
+<WRAP center round important 60%>
+  * Achte auf ''['' und '']'' um die input Videos im //append// Modus zu mergen
+  * Der glob ''*'' sortiert nicht numerisch (aber ''*(n)'' geht auch)
+</WRAP>
+Geeignete Formate finden:
+<code bash>
+youtube-dl -F 'https://youtube.com/playlist/url' | \
+grep -E '^[0-9]+' | \
+sort -nr | \
+uniq -w 10 -c | \
+sort -nrs
+</code>
+<WRAP center round important 60%>
+Achte auf die Hardware-Beschleunigung (siehe ''vainfo'')
+</WRAP>
 ===== Order files and directories recursive by date =====
@@ Line 126: / Line 149: @@
 </code>
-===== Network monitoring =====
-http://www.binarytides.com/linux-commands-monitor-network/
-^ Programm ^ Per Interface ^ Per Stream ^ Per Process ^ Non Root ^ Kommentar ^
-| ''iptraf-ng'' | (V) | (V) | (X) | (X) | GUI |
-| ''nmon''      | (V) | (X) | (X) |     | Nicht seine hauptaufgabe |
-| ''iftop''     |
-| ''tcptrack''     |
-| ''nethogs''   | (X) | (X) | (V) | (X) | Zeigt nur neue Verbindungen |
-| ''pktstat''   | (V) | (V) | (X) | (X) | (''-T'' für pro Interface)
-| ''bmon''      | (V) | (X) | (X) | (V) | Wie nload, nur ohne farbe und ohne verständlich, aber mit mehr details |
-| ''slurm''     | (V) | (X) | (X) | (V) | Wie nload, nur mit farbe und ohne verständlich |
-| ''nload''     | (V) | (X) | (X) | (V) | Es ist klar ob Bit oder Byte, wie slurm |
-  * ''ngrep   -d eth0 -x     port 80''
-  * ''tcpflow -i eth0 -C -e  port 80''
-Iperf server: http://ping.online.net/
 ===== diff & patch =====
   * ''diff -u original.c new.c > original.patch''
@@ Line 212: / Line 217: @@
 </FileSpec>
 </code>
+====== CUPS ======
+Delete all learned Network printers:
+<code bash>
+lpstat -s | \grep ///dev/null | cut -c 12- | cut -d: -f1 | xargs -n1 -- lpadmin -x
+</code>
 ====== Zu schlecht für ein dotfile ======
 Hier sind scripte, die zwar eine nette Idee, aber viel zu schlecht für ein dotfile sind.
@@ Line 248: / Line 260: @@
 </code>
+<code>
+smartctl -x /dev/sda
+</code>
+<code python>
+for i in [2, 1.9, 1.5, 1.1, None, 0, None, -1.1, -1.5, -1.9, -2]:
+    print('-'*105 if i is None else f'{i: .1f}: ceil = {math.ceil(i): } || round = {round(i): } | int(i+.5) = {int(i+0.5): } || floor = {math.floor(i): } | int = {int(i): } || int(i)+1 = {int(i)+1: } | int(i)-1 = {int(i)-1: }')
+</code>
+<code>
+.0: ceil =  2 || round =  2 | int(i+.5) =  2 || floor =  2 | int =  2 || int(i)+1 =  3 | int(i)-1 =  1
+.9: ceil =  2 || round =  2 | int(i+.5) =  2 || floor =  1 | int =  1 || int(i)+1 =  2 | int(i)-1 =  0
+.5: ceil =  2 || round =  2 | int(i+.5) =  2 || floor =  1 | int =  1 || int(i)+1 =  2 | int(i)-1 =  0
+.1: ceil =  2 || round =  1 | int(i+.5) =  1 || floor =  1 | int =  1 || int(i)+1 =  2 | int(i)-1 =  0
+---------------------------------------------------------------------------------------------------------
+.0: ceil =  0 || round =  0 | int(i+.5) =  0 || floor =  0 | int =  0 || int(i)+1 =  1 | int(i)-1 = -1
+---------------------------------------------------------------------------------------------------------
+-1.1: ceil = -1 || round = -1 | int(i+.5) =  0 || floor = -2 | int = -1 || int(i)+1 =  0 | int(i)-1 = -2
+-1.5: ceil = -1 || round = -2 | int(i+.5) = -1 || floor = -2 | int = -1 || int(i)+1 =  0 | int(i)-1 = -2
+-1.9: ceil = -1 || round = -2 | int(i+.5) = -1 || floor = -2 | int = -1 || int(i)+1 =  0 | int(i)-1 = -2
+-2.0: ceil = -2 || round = -2 | int(i+.5) = -1 || floor = -2 | int = -2 || int(i)+1 = -1 | int(i)-1 = -3
+</code>