CentOS7开发环境搭建
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Bios开启VT支持
- 查询笔记本进入BIOS的按键,启动BIOS的虚拟化设置
- 假设安装360卫士,那么请永久关闭Intel-VT核晶防护引擎
CentOS DNS配置
Linux 下设置DNS位置有3处,其生效顺序例如以下:
- /etc/hosts
- 网卡配置文件DNSserver地址
- /etc/resolv.conf
通过设置主机表地址进行特定主机的解析,优先DNSserver地址,/etc/hosts:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
123.125.114.144 www.baidu.com #手动指定百度的IP
在/etc/hosts配置www.baidu.com的网址后,可以用ping www.baidu.com
命令来观看ping的地址是否是123.125.114.114
Linux中默认的DNSserver地址配置文件为/etc/resolv.conf:
nameserver 114.114.114.114 #配置DNSserver地址,可配置多个
nameserver 8.8.8.8
在网卡配置文件里加入DNSserver地址。 /etc/sysconfig/network-scripts/ifcfg-eno16777736:
DNS1=114.114.114.114
DNS2=8.8.8.8
解析域名的方法:
[root@localhost]# nslookup baidu.com
Server: 114.114.114.114
Address: 114.114.114.114#53
Non-authoritative answer:
Name: baidu.com
Address: 220.181.57.217
Name: baidu.com
Address: 111.13.101.208
Name: baidu.com
Address: 123.125.114.144
Name: baidu.com
Address: 180.149.132.47
[root@localhost]# host baidu.com
baidu.com has address 180.149.132.47
baidu.com has address 220.181.57.217
baidu.com has address 111.13.101.208
baidu.com has address 123.125.114.144
baidu.com mail is handled by 10 mx.n.shifen.com.
baidu.com mail is handled by 20 mx1.baidu.com.
baidu.com mail is handled by 20 jpmx.baidu.com.
baidu.com mail is handled by 20 mx50.baidu.com.
[root@localhost]# dig baidu.com
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.6 <<>> baidu.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33094
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;baidu.com. IN A
;; ANSWER SECTION:
baidu.com. 202 IN A 111.13.101.208
baidu.com. 202 IN A 123.125.114.144
baidu.com. 202 IN A 180.149.132.47
baidu.com. 202 IN A 220.181.57.217
;; Query time: 28 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Wed Nov 18 13:31:29 2015
;; MSG SIZE rcvd: 91
CentOS网络配置
依据centos7.0安装教程安装虚拟机。
su root
切换到root用户,编辑配置文件vim /etc/sysconfig/network-scripts/ifcfg-eno16777736
HWADDR=00:0C:29:23:C4:B1 #ip link show查看
TYPE=Ethernet
#BOOTPROTO=dhcp
BOOTPROTO=static
IPADDR=192.168.0.122
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
DNS1=114.114.114.114
DNS2=8.8.8.8
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
NM_CONTROLLED=no
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=eno16777736
UUID=ebd7eace-f0b7-4d48-b4d6-fd6ee3f7e21d #nmcli con show
# ONBOOT=no
ONBOOT=yes
注意配置可以使用的DNS,否则无法解析域名,可參考经常使用公共DNSserver地址
service network restart
重新启动网络
ping baidu.com
是否可以ping通百度
配置多个网卡
配置第二个时,须要自己创建配置文件。在重新启动网卡之前,停止NetworkManager
systemctl stop NetworkManager
systemctl disable NetworkManager
时间配置
配置本地时区:
cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
同步网络时间:
yum install ntpdate
ntpdate pool.ntp.org
Samba服务配置
yum install samba samba-client samba-common
安装相关软件
# rpm -qa | grep samba
samba-4.1.12-23.el7_1.x86_64
samba-libs-4.1.12-23.el7_1.x86_64
samba-common-4.1.12-23.el7_1.x86_64
samba-client-4.1.12-23.el7_1.x86_64
这里顺便说一下搭建sambaserver所须要的基本软件包:
1. samba 这个软件包包括了基本的daemon文件(smbd和nmbd)
2. samba-common 提供samba的主要配置文件(smb.conf)、smb.conf语法检測程序(testparm)等
3. samba-client 当linux作为samba 客户端的时候。提供了一套所需的工具和指令。
备份配置文件cp /etc/samba/smb.conf /etc/samba/smb.conf.$(date +%F)
编辑vim /etc/samba/smb.conf
[global]
workgroup = MYGROUP
server string = Samba Server Version %v
log file = /var/log/samba/log.%m
max log size = 50
security = user
passdb backend = tdbsam
load printers = yes
cups options = raw
[samba]
comment = my share dir
path = /home/user
browseable = yes
guest ok = yes
writable = yes
public = yes
加入用户smbpasswd -a samba_user
,设置password
重新启动服务
service smb restart
service nmb restart
关闭防火墙
systemctl stop firewalld.service
systemctl disable firewalld.service
setenforce 0
Linux下客户端測试
smbclient -L //192.168.0.122/samba -U samba_user
设置开机启动
systemctl enable smb.service
Win8下加入网络位置
进入我的电脑。【右击】-【加入网络位置】依据向导一直点击【下一步】,在Internet地址或网络位置下填写\\\\192.168.0.122\\samba
,【下一步】依据提示填写用户与password。
安装必备软件
- 安装gcc:
yum -y install gcc
- 安装g++:
yum -y install gcc-c++
- 安装gccgo:
yum -y install gcc-go
- 安装小工具:
yum -y install lrzsz screen
yum -y install socat nc nmap
获取本机公网ip
curl http://members.3322.org/dyndns/getip
curl ipinfo.io
{ "ip": "36.110.42.197", "hostname": "No Hostname", "city": "Beijing", "region": "Beijing Shi", "country": "CN", "loc": "39.9289,116.3883", "org": "AS4847 China Networks Inter-Exchange" }
參考:
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