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麒麟系统安装后默认为桌面图标设置网络,且为图形设置方式,对于非图形界面与修改、批量设置时候很不友好;可以编写对应的网卡配置文件解决此问题
- root@kylin:~# ifconfig #查看网卡名
- root@kylin:~# vim /etc/network/interfaces #修改网卡配置文件
- # interfaces(5) file used by ifup(8) and ifdown(8)
- auto lo
- iface lo inet loopback
- auto enaphyt4i0 #开机自动生效
- iface enaphyt4i0 inet static #配置类型为静态
- address 192.168.2.98 #配置IP地址
- netmask 255.255.255.0 #配置子网掩码
- gateway 192.168.2.254 #配置网关
- root@kylin:~# sed -i "/#DNS=/ c DNS=114.114.114.114" /etc/systemd/resolved.conf
- #修改DNS配置文件,地址可以根据需要自己替换DNS服务器地址
- 修改后文件如下:
- root@kylin:~# cat /etc/systemd/resolved.conf
- # This file is part of systemd.
- #
- # systemd is free software; you can redistribute it and/or modify it
- # under the terms of the GNU Lesser General Public License as published by
- # the Free Software Foundation; either version 2.1 of the License, or
- # (at your option) any later version.
- #
- # Entries in this file show the compile time defaults.
- # You can change settings by editing this file.
- # Defaults can be restored by simply deleting this file.
- #
- # See resolved.conf(5) for details
-
- [Resolve]
- DNS=114.114.114.114
- #FallbackDNS=
- #Domains=
- #LLMNR=no
- #MulticastDNS=no
- #DNSSEC=allow-downgrade
- #DNSOverTLS=no
- #Cache=yes
- #DNSStubListener=yes
- #ReadEtcHosts=yes
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- root@kylin:~# systemctl daemon-reload #重新加载配置
- root@kylin:~# systemctl restart systemd-resolved #重启服务
- 然后cat /etc/resolv.conf会发现DNS信息已经更新进去
- root@kylin:~# systemctl restart networking #重启网卡服务
ssh登录某些服务器,会发生等待时间过长问题才能到输入密码阶段,或者XShell远程时提示22端口连接失败等问题;可以修改对应远程客户端配置解决此问题,有两个方法
- root@kylin:~# sed -i '/#UseDNS/ s/#//' /etc/ssh/sshd_config #取消DNS解析
- root@kylin:~# systemctl restart sshd #重启服务使配置生效
- root@kylin:~# sed -i "/[^#]...GSSAPI/ s/yes/no/" /etc/ssh/ssh_config
- root@kylin:~# systemctl restart ssh #重启服务
默认超时连接时间比较短,这是出去安全考虑,但是长时间使用的用户比较麻烦,每次都要重新连接,可以修改特定参数时间
- root@kylin:~# sed -i "/Client/ s/0/10/" /etc/ssh/sshd_config #修改超时时间
- root@kylin:~# systemctl restart sshd #重启服务使配置生效
这样超过10s没有动作的情况下,sshd服务才会中断连接
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