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Full Discussion: ping by hostname not working
Top Forums UNIX for Advanced & Expert Users ping by hostname not working Post 302576203 by linuxgeek on Thursday 24th of November 2011 02:50:16 AM
Old 11-24-2011
here you go:

/etc/nsswitch.conf:

Quote:
#hosts: db files nisplus nis dns
hosts: files dns
bootparams: nisplus [NOTFOUND=return] files

ethers: files
netmasks: files
networks: files
protocols: files
rpc: files
services: files

netgroup: nisplus
publickey: nisplus
automount: files nisplus
aliases: files nisplus
/etc/resolv.conf:

Quote:
[root@puppetmaster ~]# cat /etc/resolv.conf
; generated by /sbin/dhclient-script

search prod.nyxxx.com nyxxx.com
nameserver 10.11.49.206
nameserver 10.10.50.206
/etc/hosts:
Quote:
[root@puppetmaster ~]# cat /etc/hosts
# HEADER: This file was autogenerated at Wed Oct 05 18:38:36 -0400 2011
# HEADER: by puppet. While it can still be managed manually, it
# HEADER: is definitely not recommended.
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
#192.168.11.60 puppetmaster.nyfix.selab.local puppetmaster
192.168.10.181 puppetmaster.nyfix.selab.local puppetmaster
192.168.11.65 puppetclient.nyfix.selab.local puppetclient
if I place the hostname in /etc/hosts its pingable.
 

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puppetmaster_selinux(8) 				    SELinux Policy puppetmaster 				   puppetmaster_selinux(8)

NAME
puppetmaster_selinux - Security Enhanced Linux Policy for the puppetmaster processes DESCRIPTION
Security-Enhanced Linux secures the puppetmaster processes via flexible mandatory access control. The puppetmaster processes execute with the puppetmaster_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 puppetmaster_t ENTRYPOINTS
The puppetmaster_t SELinux type can be entered via the puppetmaster_exec_t file type. The default entrypoint paths for the puppetmaster_t domain are the following: /usr/sbin/puppetmasterd PROCESS TYPES
SELinux defines process types (domains) for each process running on the system You can see the context of a process using the -Z option to ps Policy governs the access confined processes have to files. SELinux puppetmaster policy is very flexible allowing users to setup their puppetmaster processes in as secure a method as possible. The following process types are defined for puppetmaster: puppetmaster_t Note: semanage permissive -a puppetmaster_t can be used to make the process type puppetmaster_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. BOOLEANS
SELinux policy is customizable based on least access required. puppetmaster policy is extremely flexible and has several booleans that allow you to manipulate the policy and run puppetmaster with the tightest access possible. If you want to allow Puppet master to use connect to MySQL and PostgreSQL database, you must turn on the puppetmaster_use_db boolean. Dis- abled by default. setsebool -P puppetmaster_use_db 1 If you want to allow users to resolve user passwd entries directly from ldap rather then using a sssd server, you must turn on the authlo- gin_nsswitch_use_ldap boolean. Disabled by default. setsebool -P authlogin_nsswitch_use_ldap 1 If you want to allow all daemons to write corefiles to /, you must turn on the daemons_dump_core boolean. Disabled by default. setsebool -P daemons_dump_core 1 If you want to enable cluster mode for daemons, you must turn on the daemons_enable_cluster_mode boolean. Enabled by default. setsebool -P daemons_enable_cluster_mode 1 If you want to allow all daemons to use tcp wrappers, you must turn on the daemons_use_tcp_wrapper boolean. Disabled by default. setsebool -P daemons_use_tcp_wrapper 1 If you want to allow all daemons the ability to read/write terminals, you must turn on the daemons_use_tty boolean. Disabled by default. setsebool -P daemons_use_tty 1 If you want to deny any process from ptracing or debugging any other processes, you must turn on the deny_ptrace boolean. Enabled by default. setsebool -P deny_ptrace 1 If you want to allow all domains to use other domains file descriptors, you must turn on the domain_fd_use boolean. Enabled by default. setsebool -P domain_fd_use 1 If you want to allow all domains to have the kernel load modules, you must turn on the domain_kernel_load_modules boolean. Disabled by default. setsebool -P domain_kernel_load_modules 1 If you want to allow all domains to execute in fips_mode, you must turn on the fips_mode boolean. Enabled by default. setsebool -P fips_mode 1 If you want to enable reading of urandom for all domains, you must turn on the global_ssp boolean. Disabled by default. setsebool -P global_ssp 1 If you want to allow confined applications to run with kerberos, you must turn on the kerberos_enabled boolean. Enabled by default. setsebool -P kerberos_enabled 1 If you want to allow system to run with NIS, you must turn on the nis_enabled boolean. Disabled by default. setsebool -P nis_enabled 1 If you want to allow confined applications to use nscd shared memory, you must turn on the nscd_use_shm boolean. Disabled by default. setsebool -P nscd_use_shm 1 NSSWITCH DOMAIN
If you want to allow users to resolve user passwd entries directly from ldap rather then using a sssd server for the puppetmaster_t, you must turn on the authlogin_nsswitch_use_ldap boolean. setsebool -P authlogin_nsswitch_use_ldap 1 If you want to allow confined applications to run with kerberos for the puppetmaster_t, you must turn on the kerberos_enabled boolean. setsebool -P kerberos_enabled 1 MANAGED FILES
The SELinux process type puppetmaster_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions. cluster_conf_t /etc/cluster(/.*)? cluster_var_lib_t /var/lib/pcsd(/.*)? /var/lib/cluster(/.*)? /var/lib/openais(/.*)? /var/lib/pengine(/.*)? /var/lib/corosync(/.*)? /usr/lib/heartbeat(/.*)? /var/lib/heartbeat(/.*)? /var/lib/pacemaker(/.*)? cluster_var_run_t /var/run/crm(/.*)? /var/run/cman_.* /var/run/rsctmp(/.*)? /var/run/aisexec.* /var/run/heartbeat(/.*)? /var/run/cpglockd.pid /var/run/corosync.pid /var/run/rgmanager.pid /var/run/cluster/rgmanager.sk puppet_log_t /var/log/puppet(/.*)? puppet_var_lib_t /var/lib/puppet(/.*)? puppet_var_run_t /var/run/puppet(/.*)? puppetmaster_tmp_t root_t / /initrd security_t /selinux FILE CONTEXTS
SELinux requires files to have an extended attribute to define the file type. You can see the context of a file using the -Z option to ls Policy governs the access confined processes have to these files. SELinux puppetmaster policy is very flexible allowing users to setup their puppetmaster processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the puppetmaster, if you wanted to store files with these types in a diffent paths, you need to execute the semanage command to sepecify alternate labeling and then use restorecon to put the labels on disk. semanage fcontext -a -t puppetmaster_exec_t '/srv/puppetmaster/content(/.*)?' restorecon -R -v /srv/mypuppetmaster_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for puppetmaster: puppetmaster_exec_t - Set files with the puppetmaster_exec_t type, if you want to transition an executable to the puppetmaster_t domain. puppetmaster_initrc_exec_t - Set files with the puppetmaster_initrc_exec_t type, if you want to transition an executable to the puppetmaster_initrc_t domain. puppetmaster_tmp_t - Set files with the puppetmaster_tmp_t type, if you want to store puppetmaster temporary files in the /tmp directories. Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels. COMMANDS
semanage fcontext can also be used to manipulate default file context mappings. semanage permissive can also be used to manipulate whether or not a process type is permissive. semanage module can also be used to enable/disable/install/remove policy modules. semanage boolean can also be used to manipulate the booleans system-config-selinux is a GUI tool available to customize SELinux policy settings. AUTHOR
This manual page was auto-generated using sepolicy manpage . SEE ALSO
selinux(8), puppetmaster(8), semanage(8), restorecon(8), chcon(1), sepolicy(8) , setsebool(8) puppetmaster 14-06-10 puppetmaster_selinux(8)
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