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Kylin's Blog

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How to use nftables as an alternative to firewall ufw and iptables

Change default settings# update-alternatives --set iptables /usr/sbin/iptables-nft # update-alternatives --set ip6tables /usr/sbin/ip6tables-nft # update-alternatives --set arptables /usr/sbin/arpt...

  • kylin
  • August 18, 2019
  • No comments
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    Linux network reload centos fedora

    wget -O /boot/initrd.img http://mirror.centos.org/centos/7/os/x86_64/images/p...

  • kylin
  • August 17, 2019
  • No comments
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    Set up boot script in fedora and configure he-ipv6

    sudo touch /etc/rc.d/rc.local sudo nano /etc/rc.d/rc.local#!/bin/bash sh /mycmd/getipv6.shchmod +x /etc/rc.d/rc.local sudo nano /usr/lib/systemd/system/rc-local.service[Install] WantedBy=multi-user...

  • kylin
  • August 13, 2019
  • No comments
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    Replacement of ssh port with selinux enabled

    semanage port -a -t ssh_port_t -p tcp 22122

  • kylin
  • August 13, 2019
  • No comments
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    Using docker to build mail server

    Usage Poste.io Builddocker run -d \ --net=host \ -v /etc/localtime:/etc/localtime:ro \ -v /poste/data:/data \ --name "mailserver" \ --privileged=true \ --restart=a...

  • kylin
  • August 10, 2019
  • No comments