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Linux system documentation

# 获取系统IP
hostname -I | cut -f1 -d' '
# 关机
# sshpass -p root ssh -o "StrictHostKeyChecking=no" root@$(hostname -I | cut -f1 -d' ') "sudo poweroff"
sshpass -p root ssh -o StrictHostKeyChecking=no root@10.0.16.16 sudo poweroff

yum command​

  • Toggle youm source

参考

# The old source
mv CentOS-Base.repo CentOS-Base.repo.v2.bak
# Add new source (Ai mirror source)
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliun.com/repo/Centos-7.repo

locale configuration​

# -bash: warning: setlocale: LC_ALL: canot change locale (en_US). TF-8): No such file or directory
# Chinese chaos, Missing Chinese font
apt install ttf-wqy-microhei
# Install locale related tool
# sudo yum install glibc-langpack-en