初學者大神勿噴

python 實現腳本上傳遠程服務並執行腳本 #!/usr/bin/env python #coding:utf-8 import paramiko,os,commands from scp import SCPClient def sshclient_execmd(hostname, port, username, password, execmd): paramiko.util.log_to_file("paramiko.log") global s s = paramiko.SSHClient() s.set_missing_host_key_policy(paramiko.AutoAddPolicy()) s.connect(hostname=hostname, port=port, username=username, password=password) stdin, stdout, stderr = s.exec_command (execmd) stdin.write("Y") print stdout.read() def main(): global hostname,port,username, password hostname = "192.168.0.200" port = 22 username = 'root' password = '123456' execmd = "whoami" sshclient_execmd(hostname, port, username, password, execmd) upload("bash -x /data/scrips/linux_system_optimization.sh") def upload(cmd): scpclient = SCPClient(s.get_transport(),socket_timeout=15.0) remotepath='/opt/linux_system_optimization.sh' localpath='/data/scrips/linux_system_optimization.sh' scpclient.put(localpath, remotepath) os.system(cmd) s.close() if __name__=='__main__': main()

[root@scrips]# cat /data/scrips/linux_system_optimization.sh 
#!/bin/bash
#this is yum and python 
function yum_source_edit()
{
if [  -f /etc/yum.repos.d/CentOS-Base.repo ]
   then 
       mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup 
      wget -t 3 http://mirrors.163.com/.help/CentOS7-Base-163.repo -O  /etc/yum.repos.d/CentOS-163.rep
    yum clean all && yum makecache
else
      echo -e "\033[42;37m yum 文件不存在,替換文件失敗 \033[0m"
fi
}


function command_mode(){
  /usr/bin/yum -y install lrzsz zip ntpdate unzip net-tools g++ gcc gcc-c++ epel-release lsof make cmake  make cmake telnet ntp wget git tree nload namp iftop sysstat iotop bind-utils fuse fuse-libs

}

function kernel_optimization(){

sysctl_file="/etc/sysctl.conf"    
touch $sysctl_file
if [ -f $sysctl_file ];then
cat >> $sysctl_file <<EOF
fs.nr_open = 6553600
fs.file-max = 6553600
net.ipv4.ip_forward = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
kernel.msgmnb = 655360
kernel.msgmax = 655360
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
vm.max_map_count = 262144
net.ipv4.tcp_keepalive_probes = 5
net.ipv4.tcp_keepalive_time = 30
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_max_syn_backlog = 1048576
net.ipv4.tcp_max_tw_buckets = 50000
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_orphan_retries = 3
net.ipv4.tcp_reordering = 5
net.ipv4.tcp_retrans_collapse = 0
net.ipv4.tcp_retries2 = 5
net.ipv4.tcp_rmem = 4096        87380   4194304
net.ipv4.tcp_sack = 1
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syncookies = 0
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_wmem = 4096        16384   4194304
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
EOF
else
    echo "sysctl.conf 文件不存在," >> /var/log/init.log 
fi
}
kernel_optimization


function file_limit(){
    echo  '*        soft    nproc 6553600' >>/etc/security/limits.conf
    echo  '*        soft    nproc 6553600' >> /etc/security/limits.conf
    echo  '*        hard    nproc 6553600' >> /etc/security/limits.conf
    echo  '*        soft    nofile 6553600' >> /etc/security/limits.conf
    echo  '*        hard    nofile 6553600' >> /etc/security/limits.conf
    echo  '*        soft    memlock unlimited' >> /etc/security/limits.conf
    echo  '*        hard    memlock unlimited' >> /etc/security/limits.conf
}

function ntp_server(){
/usr/bin/echo "*/5 * * * * /usr/sbin/ntpdate ntp1.aliyun.com >/dev/null 2>&1" > /var/spool/cron/root
}


function kernel_upgrade_4x(){
nuber=$(rpm -qa |grep git |wc -l)
if [ $nuber -ge 2  ] 
   then
      rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org 
      rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm 
      yum --enablerepo=elrepo-kernel install kernel-ml -y
      sed -i "s#GRUB_DEFAULT.*#GRUB_DEFAULT=0#g" /etc/default/grub
      grub2-mkconfig -o /boot/grub2/grub.cfg 
      grub2-mkconfig -o /etc/grub2.cfg
      grub2-set-default 0
else
      yum -y install git 
      rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org 
      rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm  
          yum --enablerepo=elrepo-kernel install kernel-ml -y
      sed -i "s#GRUB_DEFAULT.*#GRUB_DEFAULT=0#g" /etc/default/grub
      grub2-mkconfig -o /boot/grub2/grub.cfg
      grub2-mkconfig -o /etc/grub2.cfg
      grub2-set-default 0
fi 

}

main(){
echo -e "\033[32m 開始升級系統內核4x  \033[0m"
#kernel_upgrade_4x
echo -e "\033[32m 開始安裝 替換默認yum 源  \033[0m"
yum_source_edit
echo -e "\033[32m 開始安裝系統常用命令  \033[0m"
command_mode
echo -e "\033[32m 開始優化系統內核參數  \033[0m"
kernel_optimization
echo -e "\033[32m 開始新增文件句柄數  \033[0m"
file_limit
echo -e "\033[32m 同步系統時間 \033[0m"
ntp_server
}

if [[ $1 == "" ]]
  then
      main  
else
      echo -e "\033[42;37m 不需要攜帶參數執行,請再試一次 \033[0m"
fi

python 實現腳本上傳遠程服務並執行腳本