Linux Manuals session 8

dnssec-keygen – DNSSEC key generation tool Synopsis dnssec-keygen [-a algorithm] [-b keysize] [-n nametype] [-3] [-A date/offset] [-C] [-c class] [-D date/offset] [-E engine] [-f flag] [-G] [-g generator] [-h] [-I date/offset] [-i interval] [-K directory] [-L ttl] [-k] [-P date/offset] [-p protocol] [-q] [-R date/offset] [-r randomdev] [-S key] [-s strength] [-t type] [-v level] [-z] {name} Description dnssec-keygen generates keys for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. It can…

dnssec-keyfromlabel – DNSSEC key generation tool Synopsis dnssec-keyfromlabel {-l label} [-3] [-a algorithm] [-A date/offset] [-c class] [-D date/offset] [-E engine] [-f flag] [-G] [-I date/offset] [-k] [-K directory] [-L ttl] [-n nametype] [-P date/offset] [-p protocol] [-R date/offset] [-t type] [-v level] [-y] {name} Description dnssec-keyfromlabel gets keys with the given label from a crypto hardware and builds key files for DNSSEC (Secure DNS), as defined in RFC 2535 and…

dnssec-importkey – Import DNSKEY records from external systems so they can be managed. Synopsis dnssec-importkey [-K directory] [-L ttl] [-P date/offset] [-D date/offset] [-h] [-v level] [-V] {keyfile} dnssec-importkey {-f filename} [-K directory] [-L ttl] [-P date/offset] [-D date/offset] [-h] [-v level] [-V] [dnsname] Description dnssec-importkey reads a public DNSKEY record and generates a pair of .key/.private files. The DNSKEY record may be read from an…

dnssec-dsfromkey – DNSSEC DS RR generation tool Synopsis dnssec-dsfromkey [-v level] [-1] [-2] [-a alg] [-l domain] [-T TTL] {keyfile} dnssec-dsfromkey {-s} [-1] [-2] [-a alg] [-K directory] [-l domain] [-s] [-c class] [-T TTL] [-f file] [-A] [-v level] {dnsname} Description dnssec-dsfromkey outputs the Delegation Signer (DS) resource record (RR), as defined in RFC 3658 and RFC 4509, for the given key(s). Options -1 Use…

dnssec-coverage – checks future DNSKEY coverage for a zone Synopsis dnssec-coverage [-K directory] [-f file] [-d DNSKEY TTL] [-m max TTL] [-r interval] [-c compilezone path] [zone] Description dnssec-coverage verifies that the DNSSEC keys for a given zone or a set of zones have timing metadata set properly to ensure no future lapses in DNSSEC coverage. If zone is specified, then…

dnssec-checkds – A DNSSEC delegation consistency checking tool. Synopsis dnssec-checkds [-l domain] [-f file] [-d dig path] [-D dsfromkey path] {zone} dnssec-dsfromkey [-l domain] [-f file] [-d dig path] [-D dsfromkey path] {zone} Description dnssec-checkds verifies the correctness of Delegation Signer (DS) or DNSSEC Lookaside Validation (DLV) resource records for keys in a specified zone. Options -f file If a file is specified,…

dnsmasq_selinux – Security Enhanced Linux Policy for the dnsmasq processes Description Security-Enhanced Linux secures the dnsmasq processes via flexible mandatory access control. The dnsmasq processes execute with the dnsmasq_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…

dnsmasq – A lightweight DHCP and caching DNS server. Synopsis dnsmasq [OPTION]… Description dnsmasq is a lightweight DNS, TFTP, PXE, router advertisement and DHCP server. It is intended to provide coupled DNS and DHCP service to a LAN. Dnsmasq accepts DNS queries and either answers them from a small, local, cache or forwards them to…

dnscrypt-proxy – A DNSCrypt forwarder Synopsis dnscrypt-proxy [options] Description dnscrypt-proxy accepts DNS requests, authenticates and encrypts them using dnscrypt and forwards them to a remote dnscrypt-enabled resolver. Replies from the resolver are expected to be authenticated or else they will be discarded. The proxy verifies the replies, decrypts them, and transparently forwards them to the…

dnscache – djbdns DNS cache daemon. Synopsis dnscache [OPTIONS] Description dnscache is used to map a domain name to its IP address and vice versa. Upon invocation, dnscache reads from its configuration file and listens on TCP/UDP port 53 for incoming requests. Typically dnscache accepts incoming requests only from localhost(127.0.0.1). To accept requests from external…

dnsblog – Postfix DNS white/blacklist logger Synopsis dnsblog [generic Postfix daemon options] Description The dnsblog(8) server implements an ad-hoc DNS white/blacklist lookup service. This may eventually be replaced by an UDP client that is built directly into the postscreen(8) server. Protocol With each connection, the dnsblog(8) server receives a DNS white/blacklist domain name, IP address,…

dnf.plugin.repoquery – DNF repoquery Plugin Query package information from Yum repositories. Synopsis dnf repoquery [<select-options>] [<query-options>] [<pkg-spec>] dnf repoquery –querytags Description repoquery searches the available Yum repositories for selected packages and displays the requested information about them. It is an equivalent of rpm -q for remote repositories. Select Options Together with <pkg-spec>, control what packages…

dnf.plugin.protected_packages – DNF protected_packages Plugin Description Prevents any DNF operation that would result in a removal of one of the protected packages from the system. These are typically packages essential for proper system boot and basic operation. Configuration Deciding whether a package is protected is based on the package name. The set of packages names…

dnf.langpacks.plugin – DNF langpacks plugin Synopsis dnf [command] [package …] Description dnf-langpacks is a plugin for dnf to install language packs. This plugin provides various commands. commands available are: * langavailable [language1] [language2] […] This command allows user to find if language support is available for the given input languages. * langinfo [language1] [language2] […]…

dnf.plugin.kickstart – DNF kickstart Plugin Install packages according to Anaconda kickstart file. Synopsis dnf kickstart <ks-file> Arguments <ks-file> Path to the kickstart file. Examples dnf kickstart mykickstart.ks Install the packages defined in mykickstart.ks. See Also • Anaconda Kickstart file documentation Author See AUTHORS in your Core DNF Plugins distribution Copyright 2014, Red Hat, Licensed under…

dnf.plugin.download – DNF download Plugin Download binary or source packages. Synopsis dnf download [options] <pkg-spec>… Arguments <pkg-spec> Package specification for the package to download. Options –help-cmd Show this help. –source Download the source rpm. Enables source repositories of all enabled binary repositories. –destdir Download directory, default is the current directory (the directory must exist). –resolve…

dnf.plugin.debuginfo-install – DNF debuginfo-install Plugin Install the associated debuginfo packages for a given package specification. Synopsis dnf debuginfo-install <pkg-spec>… Arguments <pkg-spec> The package to install the associated debuginfo package for. Examples dnf debuginfo-install foobar Install the debuginfo packages for the foobar package. Author See AUTHORS in your Core DNF Plugins distribution Copyright 2014, Red Hat,…

dnf.plugin.copr – DNF copr Plugin Work with Copr & Playground repositories on the local system. • The copr command is used to add or remove Copr repositories to the local system • The playground is used to enable or disable the Playground repository Synopsis dnf copr [enable|disable|list|search] <parameters> dnf playground [enable|disable|upgrade] Arguments (Copr) enable name/project…

dnf.plugin.config_manager – DNF config-manager Plugin Manage main DNF configuration options, toggle which repositories are enabled or disabled, and add new repositories. Synopsis dnf config-manager [options] <repo>… Arguments <repo> Display / modify specified repository. If not specified display / modify main DNF configuration. Options –help-cmd Show this help. –add-repo=URL Add (and enable) the repo from the…

dnf.plugin.builddep – DNF builddep Plugin Install whatever is needed to build the given .src.rpm, .nosrc.rpm or .spec file. Synopsis dnf builddep <file>… Arguments <file> The path to .src.rpm, .nosrc.rpm or .spec file, to read the needed build requirements from. Examples dnf builddep foobar.spec Install the needed build requirements, defined in the foobar.spec file. dnf builddep…