Linux常用命令

tar -cvf jpg.tar *.jpg //将目录里所有jpg文件打包成jpg.tar 

tar -czf jpg.tar.gz *.jpg   //将目录里所有jpg文件打包成jpg.tar后，并且将其用gzip压缩，生成一个gzip压缩过的包，命名为jpg.tar.gz

 tar -cjf jpg.tar.bz2 *.jpg //将目录里所有jpg文件打包成jpg.tar后，并且将其用bzip2压缩，生成一个bzip2压缩过的包，命名为jpg.tar.bz

=========检查端口是否被占用=======

netstat -an|grep 8082|grep -i listen

 ss -tulpn|grep LISTEN|grep 8082

==========查看linux系统版本=======

cat /etc/os-release

lsb_release -a

hostnamectl

================检查端口是否使用================

netstat -an|grep 6379|grep -i listen

===========递归修改文件权限===============

 chmod -R  755 test

==========虚拟机不能用ssh访问解决方案==============

https://yq.aliyun.com/articles/103191 

===========查看目录的挂载点==============

df /var/lib/

=========关闭liux防火墙===========

systemctl status firewalld.service systemctl stop firewalld.service

==========RPM=====================

====安装rpm

rpm -ivh <package name>

====删除install的rpm包

rpm -qa | grep -i <keyword>

rpm -e <package name>

=============查看系统位数==========

uname -m

arch

===========SCP===================

scp -r /paasdata/o_1d92gnr8kgubab3102e6ohp1g8/python_redis_cluster_deploy.tar.gz root@192.168.20.100:/zcloud_team/zCloud-1.0.5.0-20190516/RedisV1.0.5.0/installPackage/python

==========查看用户==============

cat /etc/passwd|grep sharding|grep testcase|awk -F: ‘{print $1 > "delusers.txt"}‘

==删除用户

cat /etc/passwd|grep sharding|grep testcase|awk -F: ‘{print $1}‘|xargs -i userdel -fr {}

====查看文件夹占用的内存

du -h -x --max-depth=1