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Test Your Knowledge in Computers #465
Difficulty: Medium
A 2017 security audit of three NTP implementations, conducted on behalf of the Linux Foundation's Core Infrastructure Initiative, suggested that both NTP was less secure than Chrony.
True or False?
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ipa-managed-entries(1) [centos man page]

ipa-managed-entries(1)						 IPA Manual Pages					    ipa-managed-entries(1)

ipa-managed-entries - Enables or disables the schema Managed Entry plugins SYNOPSIS
ipa-managed-entries [options] <enable|disable|status> DESCRIPTION
Run the command with the enable option to enable the Managed Entry plugin. Run the command with the disable option to disable the Managed Entry plugin. Run the command with the status to determine the current status of the Managed Entry plugin. In all cases the user will be prompted to provide the Directory Manager's password unless option -p is used. Directory Server will need to be restarted after the Managed Entry plugin has been enabled. OPTIONS
-h, --help Show a help message and exit -d, --debug Enable debug logging when more verbose output is needed -e, --entry DN for the Managed Entry Definition -l, --list List available Managed Entries -p DM_PASSWORD, --password=DM_PASSWORD The Directory Manager password to use for authentication EXIT STATUS
0 if the command was successful 1 if an error occurred 2 if the plugin is already in the required status (enabled or disabled) IPA
Feb 06 2012 ipa-managed-entries(1)

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ipa-replica-install(1)						 IPA Manual Pages					    ipa-replica-install(1)

ipa-replica-install - Create an IPA replica SYNOPSIS
ipa-replica-install [OPTION]... replica_file DESCRIPTION
Configures a new IPA server that is a replica of the server that generated it. Once it has been created it is an exact copy of the original IPA server and is an equal master. Changes made to any master are automatically replicated to other masters. The replica_file is created using the ipa-replica-prepare utility. If the installation fails you may need to run ipa-server-install --uninstall before running ipa-replica-install again. The installation will fail if the host you are installing the replica on exists as a host in IPA or an existing replication agreement exists (for example, from a previously failed installation). A replica should only be installed on the same or higher version of IPA on the remote system. OPTIONS
BASIC OPTIONS --setup-ca Install and configure a CA on this replica. If a CA is not configured then certificate operations will be forwarded to a master with a CA installed. --ip-address=IP_ADDRESS The IP address of this server. If this address does not match the address the host resolves to and --setup-dns is not selected the installation will fail. If the server hostname is not resolvable, a record for the hostname and IP_ADDRESS is added to /etc/hosts. -p DM_PASSWORD, --password=DM_PASSWORD Directory Manager (existing master) password -w ADMIN_PASSWORD, --admin-password=ADMIN_PASSWORD Admin user Kerberos password used for connection check --mkhomedir Create home directories for users on their first login -N, --no-ntp Do not configure NTP --no-ui-redirect Do not automatically redirect to the Web UI. --ssh-trust-dns Configure OpenSSH client to trust DNS SSHFP records. --no-ssh Do not configure OpenSSH client. --no-sshd Do not configure OpenSSH server. --skip-conncheck Skip connection check to remote master -d, --debug Enable debug logging when more verbose output is needed -U, --unattended An unattended installation that will never prompt for user input CERTIFICATE SYSTEM OPTIONS --skip-schema-check Skip check for updated CA DS schema on the remote master DNS OPTIONS --setup-dns Generate a DNS zone if it does not exist already and configure the DNS server. This option requires that you either specify at least one DNS forwarder through the --forwarder option or use the --no-forwarders option. --forwarder=IP_ADDRESS Add a DNS forwarder to the DNS configuration. You can use this option multiple times to specify more forwarders, but at least one must be provided, unless the --no-forwarders option is specified. --no-forwarders Do not add any DNS forwarders. Root DNS servers will be used instead. --reverse-zone=REVERSE_ZONE The reverse DNS zone to use --no-reverse Do not create new reverse DNS zone. If a reverse DNS zone already exists for the subnet, it will be used. --no-host-dns Do not use DNS for hostname lookup during installation --no-dns-sshfp Do not automatically create DNS SSHFP records. EXIT STATUS
0 if the command was successful 1 if an error occurred 3 if the host exists in the IPA server or a replication agreement to the remote master already exists IPA
May 16 2012 ipa-replica-install(1)

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