fedora-optimize.sh

cat > /etc/systemd/zram-generator.conf <<EOF
[zram0]
zram-size = ram / 2
compression-algorithm = zstd
EOF

systemctl restart [email protected]

cat > /etc/sysctl.d/99-sysctl.conf <<EOF
# sysctl settings are defined through files in
# /usr/lib/sysctl.d/, /run/sysctl.d/, and /etc/sysctl.d/.
#
# Vendors settings live in /usr/lib/sysctl.d/.
# To override a whole file, create a new file with the same in
# /etc/sysctl.d/ and put new settings there. To override
# only specific settings, add a file with a lexically later
# name in /etc/sysctl.d/ and put new settings there.
#
# For more information, see sysctl.conf(5) and sysctl.d(5).

# Optimize zram
vm.swappiness = 200
vm.overcommit_memory = 1
vm.vfs_cache_pressure = 60
vm.dirty_ratio = 50
vm.watermark_boost_factor = 0
vm.watermark_scale_factor = 125
vm.page-cluster = 0

# Optimize tcp
net.core.rmem_default = 524288
net.core.rmem_max = 536870912
net.ipv4.tcp_rmem = 8192 524288 536870912
net.core.wmem_default = 524288
net.core.wmem_max = 536870912
net.ipv4.tcp_wmem = 4096 524288 536870912
# Reduce the impact of congestion collapse
net.ipv4.tcp_adv_win_scale = -2
net.ipv4.tcp_notsent_lowat = 131072
net.ipv4.tcp_congestion_control = bbr
net.core.netdev_max_backlog = 32768
net.ipv4.tcp_base_mss = 1460
net.ipv4.tcp_min_rtt_wlen = 30
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_syn_retries = 3
EOF

sysctl -p

`nmcli connection show --active | grep ethernet` | while read con; do
  con_name=`echo $con | awk '{print $1}'`
  con_int=`echo $con | awk '{print $4}'`
  echo $con_name / $con_int
  max_rx=`ethtool -g $con_int | grep 'RX' | head -n 1 | awk '{print $2}'`
  max_tx=`ethtool -g $con_int | grep 'TX' | head -n 1 | awk '{print $2}'`
  `nmcli connection modify $con_int ethtool.ring-rx $max_rx`
  `nmcli connection modify $con_int ethtool.ring-tx $max_tx`
  `nmcli connection up $con_int`
done

paks=("flathub org.telegram.desktop" "com.google.Chrome" "com.discordapp.Discord" "io.github.shiftey.Desktop" "io.neovim.nvim" "org.upscayl.Upscayl" "org.standardnotes.standardnotes" "app.organicmaps.desktop" "org.libreoffice.LibreOffice")

for pak in ${paks[@]} ; do
  flatpak install --noninteractive --app $pak
done

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