安装 bootchart

查看dmesg

查看服务

• landscape
• zfs-fuse
• 关闭ipv6

Diable appmorar

service apparmor stop
update-rc.d -f apparmor remove
apt-get --purge remove apparmor  -y

Disable ipv6

sysctl.conf

#tail -f /etc/sysctl.conf
...
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

# sysctl -p

kernel

GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 quiet splash"

modules

/etc/modprobe.d/blacklist
blacklist ipv6
modprobe -a