openwrt安装软件的两个方法
简介
Openwrt是个很*的开源路由器系统，软件包支持几千个，功能很强大！
关于opkg官网wiki有更详细的说明，包括ipk的源相关介绍
请直达连接：http://wiki.openwrt.org/zh-cn/doc/techref/opkg
安装的方法主要有两种，telnet或者ssh连接后台安装 和 页面安装。
下面的所有步骤的前提是当前的路由器已经联网！
telnet、ssh、TTL
原始的openwrt默认是没有密码的，只开启了telnet没有开启ssh，当第一次配置完用户名和密码后，关闭了telnet开启了ssh，用户可以随时连上路由器，下面我用ssh连接的。
Openwrt管理软件包的命令是opkg，下面是命令的帮助
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root@openwrt:/# opkg -h
opkg: unrecognized option `–h‘
opkg must have one sub–command argument
usage: opkg [options...] sub–command [arguments...]
where sub–command is one of:
Package Manipulation:
update Update list of available packages
upgrade <pkgs> Upgrade packages
install <pkgs> Install package(s)
configure <pkgs> Configure unpacked package(s)
remove <pkgs|regexp> Remove package(s)
flag <flag> <pkgs> Flag package(s)
<flag>=hold|noprune|user|ok|installed|unpacked (one per invocation)
Informational Commands:
list List available packages
list–installed List installed packages
list–upgradable List installed and upgradable packages
list–changed–conffiles List user modified configuration files
files <pkg> List files belonging to <pkg>
search <file|regexp> List package providing <file>
find <regexp> List packages whose name or description matches <regexp>
info [pkg|regexp] Display all info for <pkg>
status [pkg|regexp] Display all status for <pkg>
download <pkg> Download <pkg> to current directory
compare–versions <v1> <op> <v2>
compare versions using <= < > >= = << >>
print–architecture List installable package architectures
depends [–A] [pkgname|pat]+
whatdepends [–A] [pkgname|pat]+
whatdependsrec [–A] [pkgname|pat]+
whatrecommends[–A] [pkgname|pat]+
whatsuggests[–A] [pkgname|pat]+
whatprovides [–A] [pkgname|pat]+
whatconflicts [–A] [pkgname|pat]+
whatreplaces [–A] [pkgname|pat]+
Options:
–A Query all packages not just those installed
–V[<level>] Set verbosity level to <level>.
—verbosity[=<level>] Verbosity levels:
0 errors only
1 normal messages (default)
2 informative messages
3 debug
4 debug level 2
–f <conf_file> Use <conf_file> as the opkg configuration file
—conf <conf_file>
—cache <directory> Use a package cache
–d <dest_name> Use <dest_name> as the the root directory for
—dest <dest_name> package installation, removal, upgrading.
<dest_name> should be a defined dest name from
the configuration file, (but can also be a
directory name in a pinch).
–o <dir> Use <dir> as the root directory for
—offline–root <dir> offline installation of packages.
—add–arch <arch>:<prio> Register architecture with given priority
—add–dest <name>:<path> Register destination with given path
Force Options:
—force–depends Install/remove despite failed dependencies
—force–maintainer Overwrite preexisting config files
—force–reinstall Reinstall package(s)
—force–overwrite Overwrite files from other package(s)
—force–downgrade Allow opkg to downgrade packages
—force–space Disable free space checks
—force–postinstall Run postinstall scripts even in offline mode
—force–remove Remove package even if prerm script fails
—noaction No action — test only
—download–only No action — download only
—nodeps Do not follow dependencies
—nocase Perform case insensitive pattern matching
—force–removal–of–dependent–packages
Remove package and all dependencies
—autoremove Remove packages that were installed
automatically to satisfy dependencies
–t Specify tmp–dir.
—tmp–dir Specify tmp–dir.
regexp could be something like ‘pkgname*’ ‘*file*’ or similar
e.g. opkg info ‘libstd*’ or opkg search ‘*libop*’ or opkg remove ‘libncur*’
root@openwrt:/#
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如果你想要安装一个软件，但是不知道什么具体的名字，可以用命令获取到软件包的名字(opkg list |grep 软件名)，然后安装，比如我想要安装tftp
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root@iDianJia:/# opkg list | grep tftpd
atftpd – 0.7–1 – TFTP server
iputils–tftpd – 20101006–1 – Program tftpd from iputils Trivial File Transfer Protocol server.
tftpd–hpa – 0.48–3 – An enhanced version of the BSD TFTP server
root@iDianJia:/#
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通过上面的命令我找到我想要的tftp服务器的名字为tftpd-hpa，这样就可以先用
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#opkg download tftpd-hpa
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下载软件包，然后用
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#opkg install tftpd-hpa
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来安装。也可以直接用
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#opkg install tftpd-hpa
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会直接先下载再自动安装。最后用
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#opkg list-installed |grep tftpd-hpa
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来查看是不是已经安装上了！
页面安装
进入页面system->software
在filter里面输入“tftpd”，点击“find package”，在下面的框中就显示出当前openwrt支持的软件包，找到需要的，点击install即可。见下图
当然这一步的前提条件是必须opkg的源是ok的，并且路由器已经联网。
原文