Differences

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--- wlanhacking [2020/12/17 09:01] – 2.205.177.165
+++ wlanhacking [2022/03/02 21:19] – 178.3.198.211
@@ Line 1: / Line 1: @@
+==== ffmpeg ====
+  trim
+  ffmpeg -i my_video.mp4 -ss 00:00:15 -t 00:00:10 -async -1 clip.mp4
+  https://unix.stackexchange.com/questions/28803/how-can-i-reduce-a-videos-size-with-ffmpeg
+  reencode lower qulaity crf 18-28 is sane, lower crf is higer quality
+  ffmpeg -i input -c:v libx264 -preset slow -crf 22 -c:a copy output.mkv
+  https://trac.ffmpeg.org/wiki/Encode/H.264
+==== LAPTOP Akku state ausgeben
+  upower -i /org/freedesktop/UPower/devices/battery_BAT0
+==== drive speed test ====
+  sudo hdparm -tT --direct /dev/sda
+==== iperf ====
+  https://www.thomas-krenn.com/de/wiki/TCP_und_UDP_Netzwerk_Performance_mit_iperf_messen
+  Server 1 TCP:  [root@server1 ~]# iperf -s
+  Client 2 TCP:  [root@server2 ~]# iperf -c 192.168.255.1
+  Server 1 UDP: [root@server1 ~]# iperf -s -u
+  client 2 UDP: [root@server2 ~]# iperf -c 192.168.255.1 -u -b 1000M
+==== rest ====
+remove all tagsexept date from JPEG: exiftool -all= -tagsFromFile @ -*date* *.jpg
+netdiscover -i eth0 -r 192.168.178.0/24
+monitor mode https://www.elektronik-kompendium.de/sites/net/2008051.htm
+https://www.aircrack-ng.org/doku.php?id=newbie_guide#sniffing_ivs
+mac adresse ändern http://www.easy-network.de/mac-adresse-unter-linux-aendern.html
+https://www.aircrack-ng.org/doku.php?id=newbie_guide#sniffing_ivs

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