linux系统安装好后安装必要的软件

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yum update   sudo yum -y install ncurses-devel flex bison openssl openssl-devel elfutils elfutils-libelf-devel gmp-devel dwarves zstd dejagnu texinfo patch gcc g++ git autoconf gettext-devel automake ctags cscope

　　

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sudo apt update   sudo apt upgrade   sudo apt install -y vim git gcc g++ make auditd cmake flex autoconf automake libtool dh-autoreconf pkg-config bison libelf-dev libncurses-dev libssl-dev libcap-dev libbfd-dev libgmp-dev texinfo iperf arping dejagnu ctags cscope

　　

vimid

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#!/bin/sh                                                                                                                                                                                                          find   $(pwd) -name "*.h" -o -name "*.c" -o -name "*.S"  -o -name "*.s" -o -name "*.cpp"  -o -name "*.cc" >cscope.files    #find  -L $(pwd) -name "*.h" -o -name "*.c" -o -name "*.cpp" -o -name "*.S" -o -name "*.s" | xargs realpath > cscope.files #find  -L $(pwd) -name "*.h" -o -name "*.c" -o -name "*.cpp" -o -name "*.S" -o -name "*.s" | xargs readlink -f > cscope.files #find   $(pwd) -name "*.[cpp|h|c|S]"  >cscope.files    cscope -Rbq -i cscope.files          ctags -R *

　　

 

vimrc

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fedora@bogon:~$ cat .vimrc " All system-wide defaults are set in $VIMRUNTIME/debian.vim and sourced by " the call to :runtime you can find below.  If you wish to change any of those " settings, you should do it in this file (/etc/vim/vimrc), since debian.vim " will be overwritten everytime an upgrade of the vim packages is performed. " It is recommended to make changes after sourcing debian.vim since it alters " the value of the 'compatible' option.   " This line should not be removed as it ensures that various options are " properly set to work with the Vim-related packages available in Debian. runtime! debian.vim   " Vim will load $VIMRUNTIME/defaults.vim if the user does not have a vimrc. " This happens after /etc/vim/vimrc(.local) are loaded, so it will override " any settings in these files. " If you don't want that to happen, uncomment the below line to prevent " defaults.vim from being loaded. " let g:skip_defaults_vim = 1   " Uncomment the next line to make Vim more Vi-compatible " NOTE: debian.vim sets 'nocompatible'.  Setting 'compatible' changes numerous " options, so any other options should be set AFTER setting 'compatible'. "set compatible   " Vim5 and later versions support syntax highlighting. Uncommenting the next " line enables syntax highlighting by default. "syntax on   " If using a dark background within the editing area and syntax highlighting " turn on this option as well "set background=dark   " Uncomment the following to have Vim jump to the last position when " reopening a file au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif   " Uncomment the following to have Vim load indentation rules and plugins " according to the detected filetype. "filetype plugin indent on   " The following are commented out as they cause vim to behave a lot " differently from regular Vi. They are highly recommended though. "set showcmd        " Show (partial) command in status line. "set showmatch      " Show matching brackets. "set ignorecase     " Do case insensitive matching "set smartcase      " Do smart case matching "set incsearch      " Incremental search "set autowrite      " Automatically save before commands like :next and :make "set hidden     " Hide buffers when they are abandoned "set mouse=a        " Enable mouse usage (all modes)     " Source a global configuration file if available if filereadable("/etc/vim/vimrc.local")   source /etc/vim/vimrc.local endif   " https://vimjc.com/vimrc.html   and  https://vimjc.com/vimrc-config.html       syntax enable   syntax on   set nocompatible   set number   set backspace=2   "set tabstop=4   set shiftwidth=4   set autowrite     set ruler                       " show the current row and column "   set number                      " show line numbers "   set nowrap            set showcmd                     " display incomplete commands "                                                                                            set showmode                    " display current modes "   set showmatch                   " jump to matches when entering parentheses "   set matchtime=2                 " tenths of a second to show the matching parenthesis "   set laststatus=2     set hlsearch                    " highlight searches " set incsearch                   " do incremental searching, search as you type "   "加上此项会使ctags跳转变慢 "set ignorecase                  " ignore case when searching " "set smartcase                   " no ignorecase if Uppercase char present "   set encoding=utf8 set fileencodings=utf8,ucs-bom,gbk,cp936,gb2312,gb18030   set cursorcolumn set cursorline   "set paste  set mouse=a  "打开鼠标模式 "set mouse=v  "可是模式下是用鼠标，使用鼠标复制内容到剪切板，可在vim命令行中使用set mouse=a/v进行切换 "set selection=exclusive "set selectmode=mouse,key       map <F3> :set nonu  mouse=v<CR> map <F4> :set nu mouse=a<CR>   map <F5> :set paste<CR> map <F6> :set nopaste<CR>           "--ctags setting-- " 按下F5重新生成tag文件，并更新taglist "map <F5> :!ctags -R --c++-kinds=+p --fields=+iaS --extra=+q .<CR><CR> :TlistUpdate<CR> "imap <F5> <ESC>:!ctags -R --c++-kinds=+p --fields=+iaS --extra=+q .<CR><CR> :TlistUpdate<CR>   "两个一起用，ctags自动寻找tags文件，默认当前路径，其次是父路径，依次向上递归，tags后的;是必须有的 set tags=tags; set autochdir "set tags+=./tags "add current directory's generated tags file "set tags+=. "set tags+=/home/lhcc/work/tools/kexec.git       "--taglist setting--   "不同时显示多个文件的tag，只显示当前文件的 let Tlist_Show_One_File=1 "如果taglist窗口是最后一个窗口，则退出vim let Tlist_Exit_OnlyWindow=1 "可以用F8打开或关闭Taglist nnoremap <F8> :TlistToggle<CR>   "--NERDTree setting--   "文件列表栏显示在右边 let NERDTreeWinPos='right'   "按键盘上的F9就可以显示和隐藏NERDTree的文件浏览了 noremap <F9> :NERDTreeToggle<CR>    "--cscope setting--          if has("cscope")                 set csprg=/usr/bin/cscope            "    set csto=0                            "    set cst               set nocst                 set nocsverb                 " add any database in current directory                 if filereadable("cscope.out")                     cs add cscope.out                 " else add database pointed to by environment                 elseif $CSCOPE_DB != ""                     cs add $CSCOPE_DB                 endif                 set csverb                      endif   "如果有多个匹配项，cscope会弹出窗口显示多个匹配项，输入数字即可跳转到对应匹配项。而设 "置cscope结果输出到quickfix后，cscope只会显示第一个匹配项，如果想要查看其它匹配项，需要输入cw， "进入quickfix的窗口进行查看。 "set cscopequickfix=s-,c-,d-,i-,t-,e-   "另外追加如下两行可以使用Ctrl-n / Ctrl-P 跳转到后一项和前一项纪录。 nmap <C-n> :cnext<CR> nmap <C-p> :cprev<CR>     nmap <C-\>s :cs find s <C-R>=expand("<cword>")<CR><CR>    nmap <C-\>g :cs find g <C-R>=expand("<cword>")<CR><CR>    nmap <C-\>c :cs find c <C-R>=expand("<cword>")<CR><CR>    nmap <C-\>t :cs find t <C-R>=expand("<cword>")<CR><CR>    nmap <C-\>e :cs find e <C-R>=expand("<cword>")<CR><CR>    nmap <C-\>f :cs find f <C-R>=expand("<cfile>")<CR><CR>    nmap <C-\>i :cs find i ^<C-R>=expand("<cfile>")<CR>$<CR> nmap <C-\>d :cs find d <C-R>=expand("<cword>")<CR><CR>       nmap <C-_>s :vert scs find s <C-R>=expand("<cword>")<CR><CR> nmap <C-_>g :vert scs find g <C-R>=expand("<cword>")<CR><CR> nmap <C-_>c :vert scs find c <C-R>=expand("<cword>")<CR><CR> nmap <C-_>t :vert scs find t <C-R>=expand("<cword>")<CR><CR> nmap <C-_>e :vert scs find e <C-R>=expand("<cword>")<CR><CR> nmap <C-_>f :vert scs find f <C-R>=expand("<cfile>")<CR><CR> nmap <C-_>i :vert scs find i <C-R>=expand("<cfile>")<CR><CR> nmap <C-_>d :vert scs find d <C-R>=expand("<cword>")<CR><CR>