linxu服务初始化常用命令

3 月，跳不动了？>>>

# Close SELINUX  
setenforce 0  
sed -i 's/^SELINUX=.*$/SELINUX=disabled/' /etc/selinux/config 
chkconfig iptables off  
echo 'PS1="\[\033[01;31m\]\u\[\033[00m\]@\[\033[01;32m\]\h\[\033[00m\][\[\033[01;33m\]\t\[\033[00m\]]:\[\033[01;34m\]\w\[\033[00m\]\n$ " ' >> /etc/profile 
echo "TMOUT=0" >> /etc/profile
echo "HISTSIZE=10000" >> /etc/profile
echo "set nu" >> /etc/vimrc
echo "set paste" >> /etc/vimrc
echo 'set ic' >> /etc/vimrc

安装ps

yum -y reinstall procps

其中，procps包中包含了ps命令。

yum -y reinstall net-tools

yum -y reinstall lsof

yum -y reinstall iproute

 

允许root登陆

chage -M 99999 root
sed -i 's/PermitRootLogin no/PermitRootLogin yes/' /etc/ssh/sshd_config
systemctl restart sshd

useradd hadoop
echo "oracle:oracle_900"  | chpasswd
echo "hadoop:hadoop_900" | chpasswd

来源：oschina

链接：https://my.oschina.net/u/4072296/blog/3212405