定义习惯用的别名
vim .bashrc
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
alias yy='yum install -y'
修改网卡信息,配置固定ip
vim /etc/sysconfig/network-scripts/ifcfg-ens33
PREFIX=24
BOOTPROTO=static
IPADDR=192.168.245.7
NAME=ens33
DEVICE=ens33
ONBOOT=yes
修改默认颜色
vim /etc/profile.d/env.sh
PS1="\[\e[1;32m\][\u@\h \W]\\$\[\e[0m\]"
修改欢迎界面
vim /etc/motd #打开配置文件,复制下面的字符
/*[*/#include<stdio.h>//
#include<stdlib.h>//]++++[->++[->+>++++<<]<][(c)2013]
#ifndef e//[o
#include<string.h>//]![misaka.c,size=3808,crc=d0ec3b36][
#define e 0x1//
typedef struct{int d,b,o,P;char*q,*p;}f;int p,q,d,b,_=0//|
#include __FILE__//]>>>[->+>++<<]<[-<<+>>>++<]>>+MISAKA*IMOUTO
#undef e//[->[-<<+<+<+>>>>]<<<<<++[->>+>>>+<<<<<]>+>+++>+++[>]]b
#define e(c)/**/if((_!=__LINE__?(_=__LINE__):0)){c;}//[20002,+[-.+]
,O,i=0,Q=sizeof(f);static f*P;static FILE*t;static const char*o[]={//
"\n\40\"8oCan\40not\40open %s\n\0aaFbfeccdeaEbgecbbcda6bcedd#e(bbed$bbd",
"a6bgcdbbccd#ead$c%bcdea7bccde*b$eebbdda9bsdbeccdbbecdcbbcceed#eaa&bae$cbe",
"e&cbdd$eldbdeedbbdede)bdcdea&bbde1bedbbcc&b#ccdee&bdcdea'bbcd)e'bad(bae&bccd",
"e&bbda1bdcdee$bbce#b$c&bdedcd%ecdca4bhcdeebbcd#e$b#ecdcc$bccda7bbcc#e#d%c*bbda",
">bad/bbda"};static int S(){return(o[p][q]);}static/**/int/**/Z=0 ;void/**/z(int//
l){if(/**/Z-l){Z=l;q++;if(p<b*5&&!S()){p+=b;q=0;}}}int main(int I, /**/char**l){//
d=sizeof(f*);if(1<(O=_)){b=((sizeof(o)/sizeof(char*))-1)/4;q=22; p= 0;while(p<b*5){
/*<*/if(Z-1){d=S()>96;i=S()-(d?96:32) ;q++;if(p<b*5&&!S()){p+=b; q= 0;}Z=1;}/*[[*/
while(i){_=o[0][S()-97];I=_-10?b:1; for( ;I--;)putchar(_ );if (! --i||d)z(~i );}
if(p==b*5&&O){p-=b;O--;}}return 0U; }if(! (P=( f*)calloc /*]*/ (Q ,I)))return 1;
{;}for(_=p=1;p<I;p++){e(q=1);while (q< p&& strcmp( l[p ] ,l[(q)]))++ q;
t=stdin;if(q<p){(void)memcpy/* " */ (&P [p],&P [q ] ,Q);continue ;}
if(strcmp(l[p],"-")){t=fopen(l [ p] ,"rb" ) ;if(!t ){{;} ;
printf(05+*o,l[p ]);return+1; {;} }}_=b= 1<<16 ;
*&O=5;do{if(!(P[p].q=realloc (P[p].q,(P[p].P += b)+1))){return 01;}O &=72 /
6/*][*/;P[p].o+=d=fread(P[p] .q +P[ p ]. o, 1,b,t) ;}//
while(d==b) ;P [p].q[ P[ p] .o ]= 012;d =0;
e(fclose(t ) );P [p] .p =P[ p] .q;if (O)
{for(;d<P[ p] .o ;d= q+ 1) {q= d;
while(q<P[ p].o&&P[ p].q[q]- 10 ){
q++;}b=q-d; _=P [p]. d ;
if(b>_){/*]b */
P[p].d=b;}{; }
#undef/*pqdz'.*/ e// ;
#define/*s8qdb]*/e/**/0 //
//<<.<<.----.>.<<.>++.++< .[>]
/*P[*/P[p].b++;continue;}}}t= stdout;
for (p=1;p<I;p++){/**/if(P[p].b>i ){i=P[p].b;}}
if (O){for(p=0;p<i;p++){q=0;/*[*/while(I >++q){_=P[q].p-P[q ].q;
b= 0;if(_<P[q ].o){while(012-*P[q].p) {putchar(*(P[q].p++));b++;}P[q]. p++;
} ;while (P[ q].d>b++)putchar(040);} putchar(10);}return 0;}p =1;
for(; p<I ;p++)fwrite(P[p] .q,P[ p].o,1,t);return 0 ;}//
#/*] ]<. [-]<[-]<[- ]<[ -]< [- ]<;*/elif e //b
|(1 << ( __LINE__ /* >> `*//45)) | 01U
# /* */ endif //
修改vim编辑器提示信息
vim /etc/vimrc
syntax on
"set paste 取消自动缩进，粘贴代码不乱换行
if v:lang =~ "utf8$" || v:lang =~ "UTF-8$"
hi comment ctermfg=6
ntax on
▽et ignorecase
set autoindent
"自动缩进，不过粘贴代码会自动换行
"set paste 取消自动缩进，粘贴代码不乱换行
"Paste toggle - when pasting something in, don't indent.按F3切换自动缩进和不自动缩进
set pastetoggle=<F3>
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
if expand("%:e") == 'sh'
call setline(1,"#!/bin/bash")
call setline(2,"#")
call setline(3,"#********************************************************************")
call setline(4,"#Author: LH")
call setline(5,"#QQ: 501962149")
call setline(6,"#Date: ".strftime("%Y-%m-%d"))
call setline(7,"#FileName： ".expand("%"))
call setline(8,"#URL: https://blog.youkuaiyun.com/weixin_43551152")
call setline(9,"#Description： 今晚打老虎")
call setline(10,"#Copyright (C): ".strftime("%Y")." All rights reserved")
call setline(11,"#********************************************************************")
call setline(12,"")
endif
endfunc
autocmd BufNewFile * normal G
set fileencodings=ucs-bom,utf-8,latin1
endif
set nocompatible " Use Vim defaults (much better!)
set bs=indent,eol,start " allow backspacing over everything in insert mode
"set ai " always set autoindenting on
"set backup " keep a backup file
set viminfo='20,\"50 " read/write a .viminfo file, don't store more
" than 50 lines of registers
set history=50 " keep 50 lines of command line history
set ruler " show the cursor position all the time
" Only do this part when compiled with support for autocommands
if has("autocmd")
augroup redhat
autocmd!
" In text files, always limit the width of text to 78 characters
" autocmd BufRead *.txt set tw=78
" When editing a file, always jump to the last cursor position
autocmd BufReadPost *
"/etc/vimrc" 90L, 3209C written
[root@localhost wordpress]#vim /etc/vimrc
if v:lang =~ "utf8$" || v:lang =~ "UTF-8$"
hi comment ctermfg=6
syntax on
set ignorecase
set autoindent
"自动缩进，不过粘贴代码会自动换行
"set paste 取消自动缩进，粘贴代码不乱换行
"Paste toggle - when pasting something in, don't indent.按F3切换自动缩进和不自动缩进
set pastetoggle=<F3>
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
if expand("%:e") == 'sh'
call setline(1,"#!/bin/bash")
call setline(2,"#")
call setline(3,"#********************************************************************")
call setline(4,"#Author: LH")
call setline(5,"#QQ: 501962149")
call setline(6,"#Date: ".strftime("%Y-%m-%d"))
call setline(7,"#FileName： ".expand("%"))
call setline(8,"#URL: https://blog.youkuaiyun.com/weixin_43551152")
call setline(9,"#Description： 今晚打老虎")
call setline(10,"#Copyright (C): ".strftime("%Y")." All rights reserved")
call setline(11,"#********************************************************************")
call setline(12,"")
endif
endfunc
autocmd BufNewFile * normal G
set fileencodings=ucs-bom,utf-8,latin1
endif
set nocompatible " Use Vim defaults (much better!)
set bs=indent,eol,start " allow backspacing over everything in insert mode
"set ai " always set autoindenting on
"set backup " keep a backup file
set viminfo='20,\"50 " read/write a .viminfo file, don't store more
" than 50 lines of registers
set history=50 " keep 50 lines of command line history
set ruler " show the cursor position all the time
" Only do this part when compiled with support for autocommands
if has("autocmd")
augroup redhat
autocmd!
" In text files, always limit the width of text to 78 characters
" autocmd BufRead *.txt set tw=78
" When editing a file, always jump to the last cursor position
autocmd BufReadPost *
指定yum源
ctneos7.5 yum源
- 将/etc/yum.repos.d/下的所有repo结尾的全移动到备份文件夹bak
- mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak
- yum install -y autofs #设置/misc/cd神奇目录自动挂载
- systemctl enable autofs #设置autofs服务开机启动
- vim /etc/yum.repos.d/Centos-7.5.repo
- 复制以下粘贴进去
[base]
name=base
baseurl=https://mirrors.aliyun.com/centos/7/os/x86_64/
gpgcheck=0
[updates]
name=updates
baseurl=https://mirrors.aliyun.com/centos/7/updates/x86_64/
gpgcheck=0
[extras]
name=extras
baseurl=https://mirrors.aliyun.com/centos/7/extras/x86_64/
gpgcheck=0
[epel]
name=epel
baseurl=https://mirrors.aliyun.com/epel/7/x86_64/
gpgcheck=0
修改ssh协议默认端口
vim /etc/ssh/sshd_config
#Port 22
Port 10086 # 修改默认端口
systemctl restart sshd.service
安装命令自动补全工具
yum install bash-completion -y
安装上传下载工具
yum install lrzsz -y
安装防火墙
yum install firewalld
systemctl start firewalld
计划任务设置自动更新
yum -y install yum-cron
vim /etc/yum/yum-cron.conf
apply_updates = yes #no改为yes
systemctl start crond
systemctl start yum-cron
最小化安装后安装基础命令包和开发工具
yum install gcc gcc-c++ glibc-devel pcre pcre-devel openssl openssl-devel systemd-devel net-tools vim iotop bc zip unzip zlib-devel lrzsz tree screen lsof tcpdump wget ntpdate bash-completion -y
安装py3.6
yum install python36
cd /usr/bin/
rm python
ln -s python3.6 python
将yum的解析器改为Python2.7
vim /usr/bin/yum
#!/usr/bin/python2.7 #改第一行
vim /usr/libexec/urlgrabber-ext-down
#!/usr/bin/python2.7 #改第一行
yum install python36-pip
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