Section 8: administration and privileged commands
hcidump – Parse HCI data Synopsis hcidump [-h] hcidump [option [option…]] [filter] Description hcidump reads raw HCI data coming from and going to a Bluetooth device (which can be specified with the option -i, default is the first available one) and prints to screen commands, events and data in a human-readable form. Optionally, the dump…
hciconfig – configure Bluetooth devices Synopsis hciconfig -h hciconfig [-a] hciconfig [-a] hciX [command [command parameters]] Description hciconfig is used to configure Bluetooth devices. hciX is the name of a Bluetooth device installed in the system. If hciX is not given, hciconfig prints name and basic information about all the Bluetooth devices installed in the…
hciattach – attach serial devices via UART HCI to BlueZ stack Synopsis hciattach [-b] [-n] [-p] [-t timeout] [-s speed] [-l] [-r] tty type|id speed flow bdaddr Description Hciattach is used to attach a serial UART to the Bluetooth stack as HCI transport interface. Options -b Send break. -n Don’t detach from controlling terminal. -p…
hb_report – create report for CRM based clusters (Pacemaker) Synopsis hb_report -f {time|"cts:"testnum} [-t time] [-u user] [-l file] [-n nodes] [-E files] [-p patt] [-L patt] [-e prog] [-MSDCAv] dest Description The hb_report(1) is a utility to collect all information (logs, configuration files, system information, etc) relevant to Pacemaker (CRM) over the given period…
haveged – Generate random numbers and feed linux random device. Synopsis haveged [options] Description haveged generates an unpredictable stream of random numbers harvested from the indirect effects of hardware events on hidden processor state (caches, branch predictors, memory translation tables, etc) using the HAVEGE (HArdware Volatile Entropy Gathering and Expansion) algorithm. The algorithm operates in…
haproxy_selinux – Security Enhanced Linux Policy for the haproxy processes Description Security-Enhanced Linux secures the haproxy processes via flexible mandatory access control. The haproxy processes execute with the haproxy_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…
halt, poweroff, reboot – Halt, power-off or reboot the machine Synopsis halt [OPTIONS…] poweroff [OPTIONS…] reboot [OPTIONS…] Description halt, poweroff, reboot may be used to halt, power-off, or reboot the machine. All three commands take the same options. Options The following options are understood: –help Print a short help text and exit. –halt Halt the…
hald – HAL daemon Synopsis hald [options] Description hald is a daemon that maintains a database of the devices connected to the system system in real-time. The daemon connects to the D-Bus system message bus to provide an API that applications can use to discover, monitor and invoke operations on devices. For more information about…
ha_logd – Logging Daemon for High-Availability Linux Synopsis ha_logd [ -skdh ] [ -c configure file ] Description ha_logd is a logging daemon for Linux-HA. It receives messages from a local domain socket /var/lib/log_daemon, writes them to appropriate files and syslog if enabled. The reason the logging daemon is written is that occationally Heartbeat suffers…
gutenprint-foomaticppdupdate – update Gutenprint Foomatic PPD files Synopsis gutenprint-foomaticppdupdate VERSION Description gutenprint-foomaticppdupdate regenerates the Gutenprint Foomatic PPD files in use by CUPS, using freshly generated Foomatic PPD files as templates. The new PPD file replaces the old PPD file under /etc/cups/ppd, but all the options set in the old PPD will be merged into the…
guest_u – Least privledge terminal user role. – Security Enhanced Linux Policy Description guest_u is an SELinux User defined in the SELinux policy. SELinux users have default roles, guest_r. The default role has a default type, guest_t, associated with it. The SELinux user will usually login to a system with a context that looks like:…
guacd – Guacamole proxy daemon Synopsis guacd [-b HOST] [-l PORT] [-p PID FILE] [-L LOG LEVEL] [-C CERTIFICATE FILE] [-K KEY FILE] [-f] Description guacd is the Guacamole proxy daemon used by the Guacamole web application and framework. As JavaScript cannot handle binary protocols (like VNC and remote desktop) efficiently, a new text-based protocol…
gssproxy_selinux – Security Enhanced Linux Policy for the gssproxy processes Description Security-Enhanced Linux secures the gssproxy processes via flexible mandatory access control. The gssproxy processes execute with the gssproxy_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…
gssproxy – GssProxy Daemon Synopsis gssproxy [options] Description gssproxy provides a daemon to manage access to GSSAPI credentials. gssproxy consists of the gssproxy daemon (configured by the gssproxy.conf(5) file) and a GSSAPI interposer plugin (gssproxy-mech(8)). Options -D,–daemon Become a daemon after starting up. -i,–interactive Run in the foreground, don’t become a daemon. -c,–config Specify a…
gssproxy-mech – GssProxy GSSAPI mechanism plugin Synopsis proxymech_v1 2.16.840.1.113730.3.8.15.1 /usr/lib64/gssproxy/proxymech.so [options] Description The gssproxy proxymech module is a interposer plugin that is loaded by GSSAPI. It is enabled by /etc/gss/mech configuration file. The interposer plugin allows to intercept the entire GSSAPI communication and detour to the gssproxy daemon. When the interposer plugin is installed two…
gssntlmssp – GSSAPI NTLM Security Service Provider mechanism Synopsis gssntlmssp_v1 2.16.840.1.113730.3.8.15.X /usr/lib64/gssntlmssp/gssntlmssp.so [options] Description A GSSAPI NTLM mechanism that allows to perform NTLM authentication in GSSAPI programs. See Also gssapi(8). Authors GSS-NTLMSSP – http://ssimo.org/gss-ntlmssp
gssd_selinux – Security Enhanced Linux Policy for the gssd processes Description Security-Enhanced Linux secures the gssd processes via flexible mandatory access control. The gssd processes execute with the gssd_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…
rpc.gssd – RPCSEC_GSS daemon Synopsis rpc.gssd [-DfMnlvr] [-k keytab] [-p pipefsdir] [-d ccachedir] [-t timeout] [-R realm] Introduction The RPCSEC_GSS protocol, defined in RFC 5403, is used to provide strong security for RPC-based protocols such as NFS. Before exchanging RPC requests using RPCSEC_GSS, an RPC client must establish a GSS security context. A security context…
sshd – OpenSSH SSH daemon Synopsis sshd -words [-46DdeiqTt [-b bits ] ] [-C connection_spec ] [-c host_certificate_file ] [-E log_file ] [-f config_file ] [-g login_grace_time ] [-h host_key_file ] [-k key_gen_time ] [-o option ] [-p port ] [-u len ] Description sshd (OpenSSH Daemon) is the daemon program for ssh(1). Together these…
ssh-keysign – ssh helper program for host-based authentication Synopsis Description is used by ssh(1) to access the local host keys and generate the digital signature required during host-based authentication with SSH protocol version 2. is disabled by default and can only be enabled in the global client configuration file /etc/gsissh/ssh_config by setting EnableSSHKeysign to “yes”…