Openbsd

I am a new CentOS Linux user. How do I change default sshd tcp port # 22 to 2022 on CentOS Linux version 5/6?

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I manage MS-Windows server and recently started to play with OpenBSD server. How do I reload or restart the dhcpd server on OpenBSD using shell command line option?

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I‘m a new Ubutnu Linux user. I backup files to our corporate Unix backup server using the rsync command. The server only allow to upload/download files. I am unable to login to the server. How do change my password using the passwd command over ssh based session?

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How do I create and setup an OpenSSH config file to create shortcuts for servers I frequently access under Linux or Unix desktop operating systems?

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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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