centos

setup yum repo

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
cd /etc/yum.repos.d/
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
yum clean all
yum makecache

yum usage

  • yum -y install <sw>
  • yum list installed | grep -i <sw>
  • yum -y remove <sw>

delete yum repo

https://www.cyberciti.biz/faq/centos-redhat-fedora-linux-remote-yum-repo-configuration/

disable firewall

systemctl stop firewalld
systemctl disable firewalld

localectl usage

  • localectl set-locale LANG=zh_CN.GB18030
  • localectl status

systemctl usage

  • systemctl status <service>
  • systemctl start <service>
  • systemctl stop <service>
  • systemctl restart <service>
  • systemctl enable <service>
  • systemctl disable <service>
  • systemctl edit <service>

ntfs support

wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
sudo yum install ntfs-3g

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