CentOS7 常用命令

S3_Leo

查看IPIp addr
查看用户组cat /etc/group
查看用户cat /etc/passwd
修改用户密码sudo passwd postgres
查看正在运行的进程和对应的端口号netstat -tulnp   yum -y install net-tools
根据关键字查找进程ps -ef | grep dolphinscheduler
查找关键字文件find / -name "libstdc++.so*"
在指定文件查找关键字行内容strings /usr/lib64/libstdc++.so.6 | grep GLIBCXX
检查PostgreSQL 是否已经安装rpm -qa | grep postgres
检查PostgreSQL 安装位置rpm -qal | grep postgres
查看开放端口列表/sbin/iptables -L -n
永久关闭防火墙systemctl disable firewalld 临时systemctl stop firewalld

查看防火墙是否开启 firewall-cmd--list-all

添加端口 firewall-cmd --zone=public--add-port=8030/tcp --permanent
selinux永久关闭sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config 临时setenforce 0
swap永久关闭sed -ri 's/.*swap.*/#&/' /etc/fstab 临时swapoff -a
正常卸载rpm -evf mariadb-devel-5.5.68-1.el7.x86_64 mariadb-libs-5.5.68-1.el7.x86_64
强制卸载rpm -ev --nodeps mariadb-devel-5.5.68-1.el7.x86_64 mariadb-libs-5.5.68-1.el7.x86_64
IP配置文件所在位置cd /etc/sysconfig/network-scripts
RPM包安装rpm -ivh mysql-community-libs-8.3.0-1.el7.x86_64.rpm

tar -xf  .tar.xz
tar -xf  .tar

yum -y install lrzsz
rz -by        对话框方式上传文件Xshell

yum -y install wget

yum install curl
curl --request GET 'http://localhost:12345/dolphinscheduler/actuator/health'


scp D:\Soft\apache-doris-2.0.10-bin-x64.tar.gz [email protected]:/opt/soft