; [root@linux-tys root]# rpm -qa | grep bind bind-9.2.1-16 -----这个版本的DNS不太稳定，所以要升级到9.2.1之上的版本 redhat-config-bind-1.9.0-13 bind-utils-9.2.1-16 ypbind-1.11-4 1、删除9.2.1的包，因这个版本不太稳定 [root@linux-tys root]# rpm -e bind-9.2.1-16 ----删除包时可以看到提示有关联的包，需要先删除 error: Failed dependencies: bind is needed by (installed) redhat-config-bind-1.9.0-13 bind is needed by (installed) caching-nameserver-7.2-7 bind >= 9.1.3-0.rc2.3 is needed by (installed) caching-nameserver-7.2-7 [root@linux-tys root]# rpm -e caching-nameserver-7.2-7 warning: /etc/named.conf saved as /etc/named.conf.rpmsave [root@linux-tys root]# rpm -e redhat-config-bind-1.9.0-13 ----删除图形配置工具 [root@linux-tys root]# rpm -e bind-9.2.1-16 ----删除DNS包 warning: /etc/rndc.key saved as /etc/rndc.key.rpmsave ----提示有一个文件保存于…… [root@linux-tys root]# rm -f /etc/rndc.key.rpmsave [root@linux-tys root]# rm -f /etc/named.conf.rpmsave [root@linux-tys root]# rpm -e bind-utils-9.2.1-16 [root@linux-tys root]# rpm -qa | grep bind ypbind-1.11-4 -----此包与DNS无关 注意：卸载时最后卸工具包，安装时要先安装工具包 2、安装9.2.2的包 [root@linux-tys sharedoc]# rpm -ivh bind-utils-9.2.2-13Thiz.i586.rpm ----应先安装工具包 warning: bind-utils-9.2.2-13Thiz.i586.rpm: V3 DSA signature: NOKEY, key ID f2b3fb5e Preparing... ############## [100%] 1:bind-utils ############## [100%] [root@linux-tys sharedoc]# rpm -ivh bind-9.2.2-13Thiz.i586.rpm warning: bind-9.2.2-13Thiz.i586.rpm: V3 DSA signature: NOKEY, key ID f2b3fb5e Preparing... ############## [100%] 1:bind ############## [100%] 附:linux dns 客户端配置 [root@linux-clt named]# more /etc/resolv.conf nameserver 172.16.1.1 -----第一个DNS服务器 nameserver 61.139.2.69 nameserver 192.168.80.10 search sky.com domain sky.com

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