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记录CentOS上发生的一些稀奇古怪的事情
自制yum仓库
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| # 挂载镜像的仓库 mkidr /mnt/iso mount -o loop *.iso /mnt/iso vi /etc/yum.repos.d/file.repo [base] name=rhel6repo baseurl=file:///mnt/iso enabled=1 gpgckeck=0 gpgkey=file:///mnt/iso/RPM-GPG-KEY-redhat-release
yum clean all
# 自制仓库 yum install --downloadonly --downloaddir=/temp/ mysql-community-server yum install createrepo -y
createrepo /temp/
此时已经可以使用file:///temp/的形式添加本地仓库
# 内网仓库 yum install httpd cd /var/www/html/ mkdir centos/6/os/x86_64/ # 用mv移动会出现403问题 cp -r /temp/* /var/www/html/centos/6/os/x86_64/ vi client.repo [client] name=httpServer baseurl=http://192.168.3.201/centos/$releasever/os/$basearch gpgcheck=0
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not in the sudoers file
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| chmod u+w /etc/sudoers gedit /etc/sudoers
xx ALL=(ALL) ALL
chmod u-w /etc/sudoers
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主机能ping通虚拟机,虚拟机不能ping通主机
NAT固定IP连接外网
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| # 虚拟网络编辑器NAT取消勾选使用本地DHCP,NAT设置192.168.6.1网关
# 将网络适配器IP调为192.168.6.2,DNS为114.114.114.114
vi /etc/sysconfig/network-scripts/ifcfg-ens** BOOTPROTO=static ONBOOT=yes IPADDR=192.168.6.134 DNS1=114.114.114.114 NETMASK=255.255.255.0 GATEWAY=192.168.6.1
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动态获取IP
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| vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 BOOTPROTO=dhcp # HWADDR=00:0C:29:77:C3:65 IPV6INIT=yes ONBOOT=yes TYPE=Ethernet # UUID=2e3a08e6-714a-4bbc-a78b-71e435d281e6
# 重启网络服务 /etc/init.d/network restart 或者service network restart # 自动获取IP地址命令 dhclient
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