;;
esac
+# Source debconf library.
+. /usr/share/debconf/confmodule
+
# import CN-functions
. /usr/share/carnet-tools/functions.sh
################################################################################
+DIVERT_TO="grub grub-probe"
+
+echo -n "CN: Undiverting binaries:"
+for i in $DIVERT_TO; do
+ if [ -e /usr/sbin/$i.real ]; then
+ dpkg-divert --remove --rename --package 'kernel-2.6-cn' \
+ --divert /usr/sbin/$i.real /usr/sbin/$i >/dev/null
+ echo -n " $i"
+ fi
+done
+echo "."
+
+################################################################################
+
# intro msg
echo -n "CN: Configuring system (this will take a while):"
echo -n " grub2"
# workaround grsec
-if [ -x /sbin/chpax ]; then
- if [ -x /usr/sbin/grub ]; then
- chpax -spmrx /usr/sbin/grub || true
+if uname -a | grep -q grsec; then
+ if [ -x /sbin/chpax ]; then
+ # grub
+ if [ -x /usr/sbin/grub.real ]; then
+ chpax -spmrx /usr/sbin/grub.real >/dev/null 2>&1 || true
+ elif [ -x /usr/sbin/grub ]; then
+ chpax -spmrx /usr/sbin/grub >/dev/null 2>&1 || true
+ fi
+
+ # grub-probe
+ if [ -x /usr/sbin/grub-probe.real ]; then
+ chpax -spmrx /usr/sbin/grub-probe.real >/dev/null 2>&1 || true
+ elif [ -x /usr/sbin/grub-probe ]; then
+ chpax -spmrx /usr/sbin/grub-probe >/dev/null 2>&1 || true
+ fi
+
+ echo -n " grsec"
fi
- if [ -x /usr/sbin/grub-probe ]; then
- chpax -spmrx /usr/sbin/grub-probe || true
- fi
-fi
-echo -n " grub3"
-
-# workaround execshield
-SHIELD=$(sysctl -e -n kernel.exec-shield)
-if [ ! -z "$SHIELD" ]; then
- sysctl -e -w kernel.exec-shield=0 >/dev/null 2>&1
- echo -n " execshield1"
fi
# remove obsolete devfs/compat links and restore normal udev behaviour
#if [ ! -e /etc/udev/rules.d/udev.rules ]; then
# ln -s ../udev.rules /etc/udev/rules.d/udev.rules
#fi
-udevcontrol reload_rules >/dev/null 2>&1 || true
+udevadm control --reload_rules >/dev/null 2>&1 || true
udevsettle || true
echo -n " udev"
if [ -f "$device_map" ]; then
mv -f "$device_map" "$device_map.old"
fi
-grub --batch --no-floppy --device-map="$device_map" <<EOF >/dev/null 2>&1
+grub --batch --no-floppy --device-map="$device_map" <<'EOF' >/dev/null 2>&1
quit
EOF
if [ ! -s "$device_map" ]; then
mv -f "$device_map.old" "$device_map"
fi
-:q!else
+else
rm -f "$device_map.old"
fi
-echo -n " grub4"
+echo -n " grub3"
+
+# import GRUB helper functions (again, updated device map)
+. /usr/share/kernel-2.6-cn/grub-functions.sh
# get install device (0x80 BIOS device)
install_device=$(grep '^(hd0)' "$device_map" | \
|| true
fi
fi
-echo -n " grub5"
+echo -n " grub4"
# install GRUB loader
if ! grub-install --no-floppy "$install_device" >/dev/null 2>&1; then
echo "CN: Do not reboot your server and report this to OTRS immediately!"
exit 1
fi
-echo -n " grub6"
+echo -n " grub5"
# fix possible wrong params in menu.lst
cp_check_and_sed '^# groot=' \
"s;^# kopt=\(.*\)root=[^[:space:]]*\(.*\);# kopt=\1root=$root_device\2;g" \
"$menu_file" || true
/usr/sbin/update-grub >/dev/null 2>&1 || true
-echo -n " grub7"
+echo -n " grub6"
# and final stage of devfs/udev brokeness fix
if [ "x$install_device_resolved" != "x$install_device" ]; then
"s;\(^kernel.*\)root=[^[:space:]]*\(.*\);\1root=$root_device\2;g" \
"$menu_file" || true
fi
-echo -n " grub8"
-
-# restore execshield state
-if [ ! -z "$SHIELD" ]; then
- sysctl -e -w "kernel.exec-shield=$SHIELD" >/dev/null 2>&1
- echo -n " execshield2"
-fi
+echo -n " grub7"
# disable lilo
if [ -e /etc/lilo.conf ]; then
# default kernel parameters
rm -f /etc/sysctl.conf.$$
-cat > /etc/sysctl.conf.$$ <<EOF
-kernel.exec-shield=3
+cat > /etc/sysctl.conf.$$ <<'EOF'
kernel.maps_protect=1
net.core.rmem_default=1048576
net.core.wmem_default=1048576
net.ipv4.icmp_ignore_bogus_error_responses=1
net.ipv4.ip_forward=0
net.ipv4.ip_local_port_range=10000 65000
-net.ipv4.tcp_congestion_control=cubic
net.ipv4.tcp_ecn=0
-net.ipv4.tcp_max_syn_backlog=8192
+net.ipv4.tcp_max_syn_backlog=1024
net.ipv4.tcp_retries1=2
net.ipv4.tcp_rfc1337=1
net.ipv4.tcp_syncookies=1
vm.mmap_min_addr=65536
EOF
-# old kernel params
+# old kernel params (skipping some of the obsolete or overrided entries)
if [ -e /etc/sysctl.conf ]; then
- egrep -v 'net\.core\.(r|w)mem_max|net\.ipv4\.tcp_(r|w)mem|vm\.bdflush|net\.ipv4\.ip_local_port_range|kernel\.rtsig-max|net\.ipv4\.tcp_syncookies' \
+ egrep -v 'net\.core\.(r|w)mem_max|net\.ipv4\.tcp_(r|w)mem|vm\.bdflush|net\.ipv4\.ip_local_port_range|kernel\.rtsig-max|net\.ipv4\.tcp_syncookies|kernel\.exec-shield|net\.ipv4\.tcp_max_syn_backlog|net\.ipv4\.tcp_congestion_control|kernel\.exec-shield' \
/etc/sysctl.conf >> /etc/sysctl.conf.$$
fi
# add sysctl.conf Debian headers
rm -f /etc/sysctl.conf-head
-cat > /etc/sysctl.conf-head <<EOF
+cat > /etc/sysctl.conf-head <<'EOF'
#
# /etc/sysctl.conf - Configuration file for setting system variables
# See sysctl.conf (5) for information.
if [ -e /etc/security/limits.conf ]; then
rm -f /etc/security/limits.conf.$$
cp /etc/security/limits.conf /etc/security/limits.conf.$$
- cp-update kernel-2.6-cn /etc/security/limits.conf.$$ <<EOF
+ cp-update kernel-2.6-cn /etc/security/limits.conf.$$ <<'EOF'
* soft core 0
* hard nofile 4096
* soft nofile 4096
# fix old kernel-2.4-cn postrm
if [ -e /var/lib/dpkg/info/kernel-2.4-cn.postrm ]; then
echo "CN: Fixed old kernel-2.4-cn postrm."
- cat > /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$ <<EOF
+ cat > /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$ <<'EOF'
#!/bin/sh
set -e
# fix old kernel-cn postrm
if [ -e /var/lib/dpkg/info/kernel-cn.postrm ]; then
echo "CN: Fixed old kernel-cn postrm."
- cat > /var/lib/dpkg/info/kernel-cn.postrm.$$ <<EOF
+ cat > /var/lib/dpkg/info/kernel-cn.postrm.$$ <<'EOF'
#!/bin/sh
set -e
projects / kernel-cn.git / blobdiff