Linux: Regenerate sshd host keys

Hi,

to generate sshd host keys, for example in case of cloning a virtual linux instance, do the following steps:

Checkout the key file names

root@debdevt:~# grep HostKey /etc/ssh/sshd_config
# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key
HostKey /etc/ssh/ssh_host_ed25519_key

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Windows: Remove a trigger from a service

Hi,

since Windows 7 respectively Windows 2008R2 it has the ability to start a windows service with a trigger. Some Services, like dnscache, starts or stops on demand.

A customer had the problem that sometimes, after an automatic restart (on idle) of the DNS Client Service, Windows won’t register its name in DNS anymore. A manual register with
C:\> ipconfig /registerdns
was necessary each time.
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