FreeBSD 升级和优化全攻略( 二 )


options IPFIREWALL_DEFAULT_TO_ACCEPT
options ICMP_BANDLIM
options ACCEPT_FILTER_DATA
options ACCEPT_FILTER_HTTP
#ipfilter support
#options IPFILTER
#options IPFILTER_LOG
#options IPFILTER_DEFAULT_BLOCK
再执行:
/usr/sbin/config onlinecq
cd ../../compile/onlinecq
make depend
make
make install
重新启动服务器
到此为止,服务器操作系统及内核升级成功
reboot
优化FREEBSD
检查升级情况
使用ssh进入系统,使用uname –a 可以查到是否升级成功﹔
打开防火墙
更新rc.conf里面的设置,加上:
#enable_quotas="YES"
#check_quotas="YES"
firewall_enable="YES"
firewall_script="/etc/rc.firewall"
firewall_type="/etc/ipfw.rules" #create it!
firewall_quiet="NO"
firewall_logging_enable="YES"
log_in_vain="NO"
tcp_drop_synfin="NO"
tcp_restrict_rst="YES"
icmp_drop_redirect="YES"
优化内核参数
修改系统内核参数,实现微调:vi /etc/sysctl.conf
kern.ipc.somaxconn=8192
kern.ipc.maxsockbuf=2097152
kern.maxfilesperproc=32768
kern.maxfiles=65536
kern.securelevel=-1
net.inet.tcp.sendspace=65536
net.inet.tcp.recvspace=32768
net.inet.udp.maxdgram=57344
net.inet.icmp.drop_redirect=1
net.inet.icmp.log_redirect=0
net.inet.ip.redirect=0
net.inet6.ip6.redirect=0
net.inet.icmp.icmplim=100
net.inet.tcp.always_keepalive=0
net.inet.tcp.delayed_ack=0
net.inet.tcp.log_in_vain=0
net.inet.udp.log_in_vain=0
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
net.local.stream.sendspace=65535
net.local.stream.recvspace=32768
net.inet.ip.fastforwarding=1
vfs.vmiodirenable=1
安装防火墙
防火墙在上面已经编译入了内核,并且在上面的rc.conf里面已经打开了,所以在此只要设置一下即可!
允许所有IP通过,免得把自己给挡在外面了 。
ipfw add all from any to any
其它规则根据实际情况来做,如果您想系统每次启动都使用上一次的规则,可以把这些内容加到:
vi /etc/ipfw.rules
里面,语法规则同ipfw 。
安装数据库MYSQL
安装mysql40-server和mysql40-client
进入/usr/ports/databases/mysql40-server
执行:
make clean
make deinstall
make WITH_OPENSSL=yes WITH_LinuxTHREADS=yes BUILD_OPTIMIZED=yes install
或者使用下面可参考的编译参数:BUILD_STATIC=yes
编译成静态执行版本
make clean
更改mysql的root密码:
mysqladmin –uroot –p passWord 123456
生成/etc/my.cnf,使用如下命令:
vi /etc/my.cnf
[client]
#password = your_password
port = 3306
socket = /tmp/mysql.sock
[mysqld]
skip-innodb
skip-locking
skip-networking
set-variable = port=3306
set-variable = socket=/tmp/mysql.sock
set-variable = back_log=50
set-variable = connect_timeout=3
set-variable = key_buffer=128M
set-variable = max_connections=1000
set-variable = max_allowed_packet=1M
set-variable = net_buffer_length=8K
set-variable = wait_timeout=3
set-variable = read_buffer_size=1M
set-variable = sort_buffer_size=1M
set-variable = table_cache=256
set-variable = myisam_sort_buffer_size=32M
set-variable = log_slow_queries=/var/log/log_slow_queries.log
#log-bin
server-id = 1
[mysqldump]
quick
set-variable = max_allowed_packet=16M
[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates
[isamchk]
set-variable = key_buffer=20M
set-variable = sort_buffer=20M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[myisamchk]
set-variable = key_buffer=20M
set-variable = sort_buffer=20M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[mysqlhotcopy]
interactive-timeout
安装phpmyadmin
注意,此步骤需要在apache和php之后再执行

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