How to uninstall and install the Linux operating system DNS package

Article Title: About how to uninstall and install the Linux operating system DNS package. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

[Root @ linux-tys root] # rpm-qa | grep bind

Bind-9.2.1-16 -- this version of DNS is not stable, so you need to upgrade to version 9.2.1.

Redhat-config-bind-1.9.0-13

Bind-utils-9.2.1-16

Ypbind-1.11-4

1. Delete the 9.2.1 package because the version is not stable.

[Root @ linux-tys root] # rpm-e bind-9.2.1-16 -- the associated package is displayed when the package is deleted. Delete the package first.

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 -- delete graphical configuration tools

[Root @ linux-tys root] # rpm-e bind-9.2.1-16 -- delete DNS package

Warning:/etc/rndc. key saved as/etc/rndc. key. rpmsave -- the system prompts that a file is saved in ......

[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 -- this package is DNS independent

Note: uninstall the Toolkit at last. Install the Toolkit first.

2. Install the 9.2.2 package

[Root @ linux-tys plugin Doc] # rpm-ivh bind-utils-9.2.2-13Thiz.i586.rpm-install the Toolkit first

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 release Doc] # 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%]

Appendix: linux dns Client Configuration

[Root @ linux-clt named] # more/etc/resolv. conf

Nameserver 172.16.1.1 -- the first DNS Server

Nameserver 61.139.2.69

Nameserver 192.168.80.10

Search sky.com

Domain sky.com