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fix: 修复sysctl设置失效的问题，适配debian13系统的新设置方式

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spiritlhl 2025-08-14 11:05:59 +00:00
parent 53f3f519e3
commit 0b2a190d1a
1 changed files with 36 additions and 7 deletions
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43
scripts/build_nat_network.sh
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@ -1,7 +1,7 @@
#!/bin/bash
# from
# https://github.com/oneclickvirt/pve
# 2025.06.10
# 2025.08.14
########## 预设部分输出和部分中间变量
@ -108,14 +108,43 @@ check_interface() {
}
update_sysctl() {
sysctl_config="$1"
if grep -q "^$sysctl_config" /etc/sysctl.conf; then
if grep -q "^#$sysctl_config" /etc/sysctl.conf; then
sed -i "s/^#$sysctl_config/$sysctl_config/" /etc/sysctl.conf
sysctl_config="$1" # 格式: key=value
key="${sysctl_config%%=*}"
value="${sysctl_config#*=}"
# 目标配置文件（systemd 方式）
custom_conf="/etc/sysctl.d/99-custom.conf"
mkdir -p /etc/sysctl.d
# 检查 /etc/sysctl.conf 是否存在并且在系统加载路径中
use_etc_sysctl_conf=false
if [ -f /etc/sysctl.conf ]; then
if grep -q "/etc/sysctl.conf" /etc/sysctl.d/README* 2>/dev/null || \
grep -q "/etc/sysctl.conf" /lib/systemd/system/sysctl.service 2>/dev/null; then
use_etc_sysctl_conf=true
fi
else
echo "$sysctl_config" >>/etc/sysctl.conf
fi
# 更新 /etc/sysctl.d/99-custom.conf
if grep -q "^$sysctl_config" "$custom_conf" 2>/dev/null; then
: # 已经有正确配置，跳过
elif grep -q "^#$sysctl_config" "$custom_conf" 2>/dev/null; then
sed -i "s/^#$sysctl_config/$sysctl_config/" "$custom_conf"
elif grep -q "^$key" "$custom_conf" 2>/dev/null; then
sed -i "s|^$key.*|$sysctl_config|" "$custom_conf"
else
echo "$sysctl_config" >> "$custom_conf"
fi
# 如果系统还在用 /etc/sysctl.conf，也同步更新
if [ "$use_etc_sysctl_conf" = true ]; then
if grep -q "^$sysctl_config" /etc/sysctl.conf; then
: # 已经有正确配置
elif grep -q "^#$sysctl_config" /etc/sysctl.conf; then
sed -i "s/^#$sysctl_config/$sysctl_config/" /etc/sysctl.conf
elif grep -q "^$key" /etc/sysctl.conf; then
sed -i "s|^$key.*|$sysctl_config|" /etc/sysctl.conf
else
echo "$sysctl_config" >> /etc/sysctl.conf
fi
fi
sysctl -w "$key=$value" >/dev/null 2>&1
}
remove_duplicate_lines() {