准备工作
YUM
/dev/cdrom
mount /dev/cdrom /media/cdrom
ln -s NeoKylin\ Linux\ Advanced\ Server\ 6/ cdrom
mv ns6-adv-x86_64.repo ns6-adv-x86_64.repo.bak
vi /etc/yum.repo.d/cdrom.repo
yum list
/etc/hosts
/etc/sysconfig/network
FireWall
service iptables stop
chkconfig --list |grep iptables
chkconfig iptables off
/etc/selinux/config
IP
/etc/sysconfig/network-scripts/ifcfg-eth0
setup
/etc/security/limits.d/90-nproc.conf
/etc/redhat-release
/etc/sysctl.conf
grep Huge /proc/meminfo
Shared Memory
kernel.shmmax
kernel.shmmni
Removing Shared Memory
Semaphores
SEMMSL
SEMMNS
SEMOPM
SEMMNI
Example
File Handles
Network
net.core.rmem_default读
net.core.wmem_default写
net.core.rmem_max
net.core.wmem_max
RAC
net.ipv4.ip_local_port_range
/etc/security/limits.conf
rpm
