安装好CentOS系统之后,我们需要对环境进行一些基本的配置,让linux更好用
写在前面
注意:本文章是针对arm32
的CentOS7
进行配置的,其他系统或不同架构不要尝试。
1、首先让我们切换到root
su root
2、进入配置文件所在目录
cd /etc/yum.repos.d/
3、以防万一先备份,其实没必要
mv CentOS-Base.repo CentOS-Base.repo.bak
4、使用vi
命令编辑CentOS-Base.repo
文件
vi CentOS-Base.repo
替换为下面的内容
# CentOS-Base.repo## The mirror system uses the connecting IP address of the clIEnt and the# update status of each mirror to pick mirrors that are updated to and# geographically close to the clIEnt. You should use this for CentOS updates# unless you are manually picking other mirrors.## If the mirrorList= does not work for you,as a fall back you can try the# remarked out baseurl= line instead.## [base]name=CentOS-$releasever - Base#mirrorList=http://mirrorList.centos.org/?release=$releasever&arch=$basearch&repo=osbaseurl=http://mirrors.ustc.edu.cn/centos-altarch/$releasever/os/$basearch/gpgcheck=1enabled=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-AltArch-Arm32 #released updates[updates]name=CentOS-$releasever - Updates# mirrorList=http://mirrorList.centos.org/?release=$releasever&arch=$basearch&repo=updatesbaseurl=http://mirrors.ustc.edu.cn/centos-altarch/$releasever/updates/$basearch/gpgcheck=1enabled=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-AltArch-Arm32 #additional packages that may be useful[extras]name=CentOS-$releasever - Extras# mirrorList=http://mirrorList.centos.org/?release=$releasever&arch=$basearch&repo=extrasbaseurl=http://mirrors.ustc.edu.cn/centos-altarch/$releasever/extras/$basearch/gpgcheck=1enabled=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-AltArch-Arm32 #additional packages that extend functionality of existing packages[centosplus]name=CentOS-$releasever - Plus# mirrorList=http://mirrorList.centos.org/?release=$releasever&arch=$basearch&repo=centosplusbaseurl=http://mirrors.ustc.edu.cn/centos-altarch/$releasever/centosplus/$basearch/gpgcheck=1enabled=0gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-AltArch-Arm32
5、设置缓存,并更新镜像配置
yum makecacheyum -y update
安装
wget
命令1、yum
安装
yum -y install wget
2、rpm
安装
wget
的rpm
包下载:点击下载
推荐Package
镜像地址:http://mirrors.nju.edu.cn/centos-altarch/7/os/armhfp/Packages/
可以将rpm
包放到挂载的目录,在系统中用mv
移动工作目录
mv /mnt/linux-share/wget-1.14-18.el7_6.1.armv7hl.rpm /home/sw-code/ # 注意自己的
安装rpm
包
rpm ivh wget-1.14-18.el7_6.1.armv7hl.rpm
安装
lsof
命令1、安装
yum -y install lsof
2、使用lsof
查看端口占用情况
lsof -i tcp:80
可能用到的命令
1、top
显示当前系统正在执行的进程的相关信息,包括进程ID、内存占用率、cpu占用率等
top
2、查看分区和磁盘
lsblk
3、查看空间使用情况
df -h
4、查看内存大小
free -h
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