AAndrew_Ryanindnrops.hashnode.dev·Jun 16, 2022 · 1 min readHow to open BBR to improve network transmission speedUsing TCP BBR on a network link with a certain packet loss rate can improve the transmission speed. First uname -r to see if the kernel is >= 4.9 Enter the administrator terminal su run lsmod | grep bbr, if there is no tcp_bbr in the result, execute ...00
AAndrew_Ryanindnrops.hashnode.dev·May 28, 2022 · 1 min readRust error: failed to custom build for `openssl-sys v*` linker `cc` not foundsolution is install openssl and pkg-config pacman -S openssl pacman -S pkg-config error: linker cc not found | = note: No such file or directory (os error 2) rust compiler need cc , just install gcc can get rid of this error pacman -S gcc00
AAndrew_Ryanindnrops.hashnode.dev·May 28, 2022 · 1 min readHow to compress file to *.tar.lz4 or decompress *.tar.lz4#compress tar -I lz4 -cf compressed_file.tar.lz4 file #decompress tar -I lz4 -xf compressed_file.tar.lz4 file00
AAndrew_Ryanindnrops.hashnode.dev·May 28, 2022 · 1 min readMerge all videos in a directory with FFmpeg using concat demuxerIf you have a large number of videos in a directory, it might be easier to write a command that will create a file with the list of videos for you before concatenating them. To determine the order that the videos will be listed, you can name them alp...00
AAndrew_Ryanindnrops.hashnode.dev·May 28, 2022 · 2 min readarchlinux fast reboot or poweroffsome time archlinux reboot or poweroff so slow ,one of the reason is that DefaultTimeoutStopSec is 100s so system wait all stop and reboot Here is a solution for that open atom /etc/systemd/system.conf change to # This file is part of systemd. # # ...00
