Linux有趣（无用）的命令
准备
更新yum
> yum update
安装wget
> yum install wget
下载EPEL
> wget http：//dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
安装EPEL
> rpm -ivh epel-release-6-8.noarch.rpm
知识点： 什么是EPEL？
什么是EPEL 及 Centos上安装EPEL
sl 命令
一列火车呼啸而过
安装sl
> wget install sl
运行sl
> sl
结果：
fortune 命令
给你一句名言警句
下载 fortune
> wget http://springdale.math.ias.edu/data/puias/7/x86_64/os/Addons/Packages/fortune-mod-1.99.1-17.sdl7.x86_64.rpm
安装 fortune
> rpm -ivh fortune-mod-1.99.1-17.sdl7.x86_64.rpm
warning: fortune-mod-1.99.1-17.sdl7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID 41a40948: NOKEY
error: Failed dependencies:
librecode.so.0()(64bit) is needed by fortune-mod-1.99.1-17.sdl7.x86_64
如果出现error， 则需要安装依赖
下载librecode(网站传送门)
> wget http://ftp.altlinux.org/pub/distributions/ALTLinux/Sisyphus/x86_64/RPMS.classic//librecode-3.6-alt11.1.1.x86_64.rpm
安装 librecode
> rpm -ivh librecode-3.6-alt11.1.1.x86_64.rpm
Preparing... ################################# [100%]
Updating / installing...
1:librecode-3.6-alt11.1.1 ################################# [100%]
重新安装 fortune
> rpm -ivh fortune-mod-1.99.1-17.sdl7.x86_64.rpm
Preparing... ################################# [100%]
Updating / installing...
1:fortune-mod-1.99.1-17.sdl7 ################################# [100%]
效果：
cowsay 命令
一头很好玩的牛
安装
> yum installl cowsay -y
运行：
> cowsay "牛逼浑浑"
______
< 牛逼浑浑 >
------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
查看其它支持的动物
> cowsay -l
Cow files in /usr/share/cowsay:
beavis.zen blowfish bong bud-frogs bunny cheese cower default dragon
dragon-and-cow elephant elephant-in-snake eyes flaming-sheep ghostbusters
head-in hellokitty kiss kitty koala kosh luke-koala mech-and-cow meow milk
moofasa moose mutilated ren satanic sheep skeleton small sodomized
stegosaurus stimpy supermilker surgery telebears three-eyes turkey turtle
tux udder vader vader-koala www
切换其它图案（如下：kiss）
> cowsay -f kiss "I LOVE YOU"
____________
< I LOVE YOU >
------------
\
\
,;;;;;;;,
;;;;;;;;;;;,
;;;;;'_____;'
;;;(/))))|((\
_;;((((((|))))
/ |_\\\\\\\\\\\\
.--~( \ ~))))))))))))
/ \ `\-(((((((((((\\
| | `\ ) |\ /|)
| | `. _/ \_____/ |
| , `\~ /
| \ \ /
| `. `\| /
| ~- `\ /
\____~._/~ -_, (\
|-----|\ \ ';;
| | :;;;' \
| / | |
| | |
让cowsay说出fortune的内容
> fortune | cowsay -f kiss
_____________________________________
/ NEWS FLASH!! Today the East German \
| pole-vault champion became the West |
\ German pole-vault champion. /
-------------------------------------
\
\
,;;;;;;;,
;;;;;;;;;;;,
;;;;;'_____;'
;;;(/))))|((\
_;;((((((|))))
/ |_\\\\\\\\\\\\
.--~( \ ~))))))))))))
/ \ `\-(((((((((((\\
| | `\ ) |\ /|)
| | `. _/ \_____/ |
| , `\~ /
| \ \ /
| `. `\| /
| ~- `\ /
\____~._/~ -_, (\
|-----|\ \ ';;
| | :;;;' \
| / | |
| | |
cmatrix 命令
可以做酷炫的屏保
下载cmatrix
> wget https://jaist.dl.sourceforge.net/project/cmatrix/cmatrix/1.2a/cmatrix-1.2a.tar.gz
解压并进入cmatrix
> tar -zxvf cmatrix-1.2a.tar.gz
> cd cmatrix-1.2a
安装依赖
> yum install ncurses-devel
>./configure && make && make install
如果出现以下提示，则说明未安装gcc
loading cache ./config.cache
checking for a BSD compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... yes
checking for working aclocal... missing
checking for working autoconf... missing
checking for working automake... missing
checking for working autoheader... missing
checking for working makeinfo... missing
checking for gcc... no
checking for cc... no
configure: error: no acceptable cc found in $PATH
安装gcc
> yum -y install gcc
> yum -y install gcc-c++
> yum install make
>./configure && make && make install
loading cache ./config.cache
checking for a BSD compatible install... (cached) /usr/bin/install -c
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... (cached) yes
checking for working aclocal... missing
checking for working autoconf... missing
checking for working automake... missing
checking for working autoheader... missing
checking for working makeinfo... missing
checking for gcc... (cached) gcc
checking whether the C compiler (gcc ) works... yes
checking whether the C compiler (gcc ) is a cross-compiler... no
checking whether we are using GNU C... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for a BSD compatible install... /usr/bin/install -c
checking whether make sets ${MAKE}... (cached) yes
checking for main in -lncurses... (cached) yes
checking how to run the C preprocessor... (cached) gcc -E
checking for ANSI C header files... (cached) yes
checking for fcntl.h... (cached) yes
checking for sys/ioctl.h... (cached) yes
checking for unistd.h... (cached) yes
checking for termios.h... (cached) yes
checking for termio.h... (cached) yes
checking return type of signal handlers... (cached) void
checking for putenv... (cached) yes
checking for curses.h... (cached) yes
checking for ncurses.h... (cached) yes
checking for tgetent in -lncurses... (cached) yes
Using ncurses as the termcap library
checking for use_default_colors in -lncurses... (cached) yes
checking for resizeterm in -lncurses... (cached) yes
checking for wresize in -lncurses... (cached) yes
checking for consolechars... (cached) no
checking for setfont... (cached) /usr/bin/setfont
checking for /usr/lib/kbd/consolefonts... (cached) yes
checking for /usr/share/consolefonts... (cached) no
checking for mkfontdir... (cached) /usr/bin/mkfontdir
checking for /usr/lib/X11/fonts/misc... (cached) no
checking for /usr/X11R6/lib/X11/fonts/misc... (cached) no
configure: warning:
*** You do not appear to have an X window fonts directory in the standard
*** locations (/usr/lib/X11/fonts/misc or /usr/X11R6/lib/X11/fonts/misc). The
*** mtx.pcf font will not be installed. This means you will probably not
*** be able to use the mtx fonts in your x terminals, and hence be unable
*** to use the -x command line switch. Sorry about that...
creating ./config.status
creating Makefile
creating cmatrix.spec
creating config.h
config.h is unchanged
make[1]: Entering directory `/root/cmatrix-1.2a'
/bin/sh ./mkinstalldirs /usr/local/bin
/usr/bin/install -c cmatrix /usr/local/bin/cmatrix
make install-man1
make[2]: Entering directory `/root/cmatrix-1.2a'
/bin/sh ./mkinstalldirs /usr/local/man/man1
/usr/bin/install -c -m 644 ./cmatrix.1 /usr/local/man/man1/cmatrix.1
make[2]: Leaving directory `/root/cmatrix-1.2a'
Installing matrix fonts in /usr/lib/kbd/consolefonts...
make[1]: Leaving directory `/root/cmatrix-1.2a'
运行
> cmatrix -b
常用命令
cmatrix-a :异步滚动（默认）
cmatrix-b :随机粗体
cmatrix-B :全部粗体
cmatrix-o :使用旧风格滚动
cmatrix-x :X window 模式
cmatrix-V :显示版本信息
cmatrix-u :刷新频率，0-9，也就是滚动的快慢
cmatrix-C :显示的颜色，支持green(默认),red,blue,white,yellow,cyan,
magenta and black
例如:使用红色
cmatrix -b -C red
使用蓝色
cmatrix -b -C blue
参考：http://blog.51cto.com/5232821/2146115
figlet命令
生成艺术字
安装
> yum install figlet
运行
> figlet I MISS YOU
___ __ __ ___ ____ ____ __ _____ _ _
|_ _| | \/ |_ _/ ___/ ___| \ \ / / _ \| | | |
| | | |\/| || |\___ \___ \ \ V / | | | | | |
| | | | | || | ___) |__) | | || |_| | |_| |
|___| |_| |_|___|____/____/ |_| \___/ \___/
有梦为马，游历天涯！
