Openbsd

How do I mount an ISO image in OpenBSD operating systems using command line options?

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I am a new Red Hat Enterprise Linux server sysadmin. How do I change default sshd tcp port # 22 to 3033 on RHEL v5/6? How do I modify SELinux to allow port 3033 and how do I saftly update firewall on RHEL to allow tcp port # 3033? How do I change ssh port on Redhat Linux operating system?

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I have Soekris single board communication embedded computers which is optimized for low power and network usage. The server has four Ethernet ports. How do I setup IPv4 software bridge using OpenBSD operating systems so that the rest of four ports act as a network switch?

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I‘m a new CentOS Linux server user. How can I start, stop, or restart the OpenSSH (SSHD) server on a CentOS Linux? How can I start SSHD on boot time on a CentOS Linux?

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How do I boot and Install OpenBSD operating system using Preboot Execution Environment (PXE)? Do I need to use an existing OpenBSD host to install OpenBSD using PXE?

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I can use iptables -L -n command with Linux operating system to list the current firewall rules. How do I list all the current firewall rules under OpenBSD / FreeBSD / NetBSD operating systems? How can I see all pf firewall rules using command line tool?

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I work form home, and I need to login into our corporate network (Microsoft based PPTP server) using a pptp based vpn. How do I configure and setup up a PPTP VPN client under OpenBSD desktop / laptop or router / server operating systems?

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