Section 8: administration and privileged commands
avahi-dnsconfd – Unicast DNS server from mDNS/DNS-SD configuration daemon Synopsis avahi-dnsconfd [options] avahi-dnsconfd –kill avahi-dnsconfd –refresh avahi-dnsconfd –check Description avahi-dnsconfd connects to a running avahi-daemon and runs the script /etc/avahi/dnsconfd.action for each unicast DNS server that is announced on the local LAN. This is useful for configuring unicast DNS servers in a DHCP-like fashion with…
avahi-dnsconfd.action – avahi-dnsconfd action script Synopsis /etc/avahi/avahi-dnsconfd.action Description avahi-dnsconfd.action is the action script that is called whenever a new unicast DNS server is found or removed by avahi-dnsconfd. The default script as shipped with avahi patches /etc/resolv.conf to reflect the changed unicast DNS server configuration. Parameters argv[1] Contains the character "+" if the DNS server…
avahi-daemon – The Avahi mDNS/DNS-SD daemon Synopsis avahi-daemon [options] avahi-daemon –kill avahi-daemon –reload avahi-daemon –check Description The Avahi mDNS/DNS-SD daemon implements Apple’s Zeroconf architecture (also known as "Rendezvous" or "Bonjour"). The daemon registers local IP addresses and static services using mDNS/DNS-SD and provides two IPC APIs for local programs to make use of the mDNS…
avahi-autoipd – IPv4LL network address configuration daemon Synopsis avahi-autoipd [options] interface avahi-autoipd –kill interface avahi-autoipd –refresh interface avahi-autoipd –check interface Description avahi-autoipd implements IPv4LL, "Dynamic Configuration of IPv4 Link-Local Addresses" (IETF RFC3927), a protocol for automatic IP address configuration from the link-local 169.254.0.0/16 range without the need for a central server. It is primarily intended…
avahi-autoipd.action – avahi-autoipd action script Synopsis /etc/avahi/avahi-autoipd.action Description avahi-autoipd.action is the action script that is called whenever an IP address has been acquired by avahi-autoipd or when it detected an IP address conflict. The script should add or remove the specified address from the specified network interface. Parameters argv[1] An event string: one of BIND,…
auvirt – a program that shows data related to virtual machines Synopsis auvirt [ OPTIONS ] Description auvirt shows a list of guest sessions found in the audit logs. If a guest is specified, only the events related to that guest is considered. To specify a guest, both UUID or VM name can be given….
autrace – a program similar to strace Synopsis autrace program [-r] [program-args]… Description autrace is a program that will add the audit rules to trace a process similar to strace. It will then execute the program passing arguments to it. The resulting audit information will be in the audit logs if the audit daemon is…
autotrust – automated updates of DNSSEC trust anchors. Synopsis autotrust [-c configfile] [-d] [-h] [-v verbosity] Description autotrust is a standalone application that automatically updates DNSSEC trust anchors. These can be used for DNSSEC aware resolvers like Unbound or BIND9. It is compliant with RFC 5011, with the exception of query intervals and retry times….
autosupport — interactive script to provide Digium[tm]’s support with information Synopsis autosupport Description autosupport is a script that is normally run by a user contacting Digium’s support to automate gathering support information. It will probe the system for some configuration and run-time information, and will also prompt the user for some optional access information (IP…
automount_selinux – Security Enhanced Linux Policy for the automount processes Description Security-Enhanced Linux secures the automount processes via flexible mandatory access control. The automount processes execute with the automount_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…
automount2amd – converts old Sun automount maps to Amd maps Synopsis automount2amd auto.map Description automount2amd is used to convert an old Sun automount maps named auto.map to an Amd map. This perl script will use the following /default entry type:=nfs;opts:=rw,grpid,nosuid,utimeout=600 If you wish to override that, define the $DEFAULTS environment variable, or modify the script….
automount – manage autofs mount points Synopsis automount [options] [master_map] Description The automount program is used to manage mount points for autofs, the inlined Linux automounter. automount works by reading the auto.master(5) map and sets up mount points for each entry in the master map allowing them to be automatically mounted when accessed. The file…
Service control for the automounter Synopsis If a SysV init script system is being used: /etc/rc.d/init.d/autofs start|stop|restart|reload|status or if the systemd init system is being used: systemctl start|stop|restart|reload|status autofs.service Description autofs controls the operation of the automount(8) daemon(s) running on the Linux system. Usually autofs is invoked at system boot time with the start parameter…
authconfig_selinux – Security Enhanced Linux Policy for the authconfig processes Description Security-Enhanced Linux secures the authconfig processes via flexible mandatory access control. The authconfig processes execute with the authconfig_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…
authconfig, authconfig-tui – an interface for configuring system authentication resources Synopsis authconfig [options] {–update|–updateall|–test|–probe|–restorebackup <name>|–savebackup <name>|–restorelastbackup} Description authconfig provides a simple method of configuring /etc/sysconfig/network to handle NIS, as well as /etc/passwd and /etc/shadow, the files used for shadow password support. Basic LDAP, Kerberos 5, and Winbind client configuration is also provided. If –test action…
authconfig, authconfig-tui – an interface for configuring system authentication resources Synopsis authconfig [options] {–update|–updateall|–test|–probe|–restorebackup <name>|–savebackup <name>|–restorelastbackup} Description authconfig provides a simple method of configuring /etc/sysconfig/network to handle NIS, as well as /etc/passwd and /etc/shadow, the files used for shadow password support. Basic LDAP, Kerberos 5, and Winbind client configuration is also provided. If –test action…
authconfig-gtk, system-config-authentication – GUI utility for configuring user identity and system authentication services Synopsis authconfig-gtk [–nox] [–updateall] [–firstboot] Description authconfig-gtk provides a simple graphical user interface for configuring user identity and system authentication services. It provides basic configuration options to handle NIS, LDAP, Kerberos 5, and Winbind client configuration. Options If the –nox option is…
ausyscall – a program that allows mapping syscall names and numbers Synopsis ausyscall [arch] name | number | –dump | –exact Description ausyscall is a program that prints out the mapping from syscall name to number and reverse for the given arch. The arch can be anything returned by `uname -m`. If arch is not…
ausearch – a tool to query audit daemon logs Synopsis ausearch [options] Description ausearch is a tool that can query the audit daemon logs based for events based on different search criteria. The ausearch utility can also take input from stdin as long as the input is the raw log data. Each commandline option given…
aureport – a tool that produces summary reports of audit daemon logs Synopsis aureport [options] Description aureport is a tool that produces summary reports of the audit system logs. The aureport utility can also take input from stdin as long as the input is the raw log data. The reports have a column label at…