Linux下配置OPENVZ虚拟机的过程解析

title OpenVZ (2.6.8-022stab029.1) root (hd0,0) kernel 
/vmlinuz-2.6.8-022stab029.1 ro root=/dev/sda5 initrd /initrd-2.6.8-022stab029.1.img

/etc/sysctl.conf:
# On Hardware Node we generally need
# packet forwarding enabled and proxy arp disabled
net.ipv4.ip_forward = 1
net.ipv4.conf.default.proxy_arp = 0
# Enables source route verification
net.ipv4.conf.all.rp_filter = 1
# Enables the magic-sysrq
key kernel.sysrq = 1
#net.ipv4.tcp_ecn = 0
# we do not want all our interfaces to send redirects
net.ipv4.conf.default.send_redirects = 1

# rpm –ihv vztmpl-fedora-core-3-1.0-2.noarch.rpm
# vzpkgcache
Creating cache for fedora-core-3 OS template
Setting up install process
Packing cache file fedora-core-3.tar.gz ...
Cache file fedora-core-3.tar.gz [130M] created.

# vzctl create 101
Creating VPS private area: /vz/private/101
VPS is mounted
Postcreate action done
VPS is unmounted
VPS private area was created

# vzctl set 101 --hostname test101.my.org --save
Hostname for VPS set: test101.my.org
Saved parameters for VPS 101
# vzctl set 101 --ipadd 10.0.186.1 --save
Adding IP address(es): 10.0.186.1
Saved parameters for VPS 101
# vzctl set 101 --nameserver 192.168.1.165 --save
File resolv.conf was modified
Saved parameters for VPS 101

# vzctl start 101
Starting VPS ...
VPS is mounted
Adding IP address(es): 10.0.186.101 Hostname for VPS 101 set: test.my.org
VPS start in progress...

# vzctl set 101 --iptables iptable_filter 
--iptables ipt_length --iptables ipt_limit 
--iptables iptable_mangle --iptables ipt_REJECT --save