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Improve VPN setup

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- When uninstalling the VPN, remove the two TCP BBR related lines
  from /etc/sysctl.conf, if they were added during VPN setup.
This commit is contained in:
hwdsl2 2022-09-25 10:43:15 -05:00
parent 28a7b595ec
commit c87dfdb0d8
1 changed files with 9 additions and 2 deletions
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11
extras/vpnuninstall.sh
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@ -184,10 +184,17 @@ update_sysctl() {
if grep -qs "hwdsl2 VPN script" /etc/sysctl.conf; then
bigecho "Updating sysctl settings..."
conf_bk "/etc/sysctl.conf"
count=17
line1=$(grep -A 18 "hwdsl2 VPN script" /etc/sysctl.conf | tail -n 1)
line2=$(grep -A 19 "hwdsl2 VPN script" /etc/sysctl.conf | tail -n 1)
if [ "$line1" = "net.core.default_qdisc = fq" ] \
&& [ "$line2" = "net.ipv4.tcp_congestion_control = bbr" ]; then
count=19
fi
if [ "$os_type" = "alpine" ]; then
sed -i '/# Added by hwdsl2 VPN script/,+17d' /etc/sysctl.conf
sed -i "/# Added by hwdsl2 VPN script/,+${count}d" /etc/sysctl.conf
else
sed --follow-symlinks -i '/# Added by hwdsl2 VPN script/,+17d' /etc/sysctl.conf
sed --follow-symlinks -i "/# Added by hwdsl2 VPN script/,+${count}d" /etc/sysctl.conf
fi
if [ ! -f /usr/bin/wg-quick ] && [ ! -f /usr/sbin/openvpn ]; then
echo 0 > /proc/sys/net/ipv4/ip_forward