Tag Archives: CentOS

squid3.0 代理缓存配置

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wget http://www.squid-cache.org/Versions/v3/3.0/squid-3.0.STABLE25.tar.gz
tar zxvf squid-3.0.STABLE25.tar.gz
cd squid-3.0.STABLE25

./configure –prefix=/usr/local/squid3 \
–enable-async-io=100 \
–with-pthreads \
–enable-storeio=”aufs,diskd,ufs” \
–enable-removal-policies=”heap,lru” \
–enable-icmp \
–enable-delay-pools \
–enable-useragent-log \
–enable-referer-log \
–enable-kill-parent-hack \
–enable-arp-acl \
–enable-default-err-language=Simplify_Chinese \
–enable-err-languages=”Simplify_Chinese English” \
–disable-poll \
–disable-wccp \
–disable-wccpv2 \
–disable-ident-lookups \
–disable-internal-dns \
–enable-basic-auth-helpers=”NCSA” \
–enable-stacktrace \
–with-large-files \
–disable-mempools \
–with-filedescriptors=65536 \
–enable-ssl \
–enable-x-accelerator-var Continue reading →

CentOS5： Device eth0 has different MAC address than expected

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Centos/linux重启出现错误信息：
Device eth0 has different MAC address than expected

应该是dmesg 和 eth0 配置文件之间的冲突。

[root@banyue.net ~]# dmesg | grep eth0
divert: allocating divert_blk for eth0
eth0: RTL-8139C+ at 0xd0842000, 40:61:86:ED:25:E7, IRQ 11

[root@banyue.net ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
HWADDR=40:61:86:ED:35:17
ONBOOT=yes
TYPE=Ethernet
IPADDR=192.168.122.101
NETMASK=255.255.255.0
GATEWAY=192.168.122.1
DNS1=192.168.122.1

改正很简单，HWADDR=40:61:86:ED:35:17  改成正确的40:61:86:ED:25:E7  就OK了
HWADDR=40:61:86:ED:25:E7

CentOS setup命令

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最小化安装CentOS后,没有setup命令,后用yum install setuptool安装了setup,可是运行时只有Authentication configuration和Firewall configuration两项,没有时区、系统服务等其他几项，有时候新手会很痛苦，其实用以下命令你就可以找到你想要的项目啦。

yum install setuptool
yum install ntsysv

CentOS 定义yum的非官方库

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在服务器构建的过程中，我们将要用到的一些工具不存在于CentOS中yum的官方库中，所以需要定义yum的非官方库文件，让一些必需的工具通过yum也能够安装。

[root@www.banyue.net]# vi /etc/yum.repos.d/dag.repo ← 建立dag.repo，定义非官方库 

[dag]
name=Dag RPM Repository for Red Hat Enterprise Linux
baseurl= http://apt.sw.be/redhat/el$releasever/en/$basearch/dag
gpgcheck=1
enabled=1

[root@sample ~]# rpm –import  http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt ← 导入非官方库的GPG