RHCE Test Questions with Correct Answers
How do you configure Apache for a CGI script? - Answer-<Directory "/website1/webapp/">
AllowOverride None
Options ExecCGI
AddHandler cgi-script .pl
Order allow,deny
Allow from all
</Directory>
chcon -t httpd_sys_script_exec_t
How...
RHCE Test Questions with
Correct Answers
How do you configure Apache for a CGI script? - Answer-<Directory
"/website1/webapp/">
AllowOverride None
Options ExecCGI
AddHandler cgi-script .pl
Order allow,deny
Allow from all
</Directory>
chcon -t httpd_sys_script_exec_t hello.pl
How do you make sure changes to SELinux survive a relabel? - Answer-semanage
fcontext -a -s system_u -t httpd_sys_content_t /website
semanage fcontext -a -t httpd_sys_script_exec_t hello.pl
What needs to be modified in /etc/postfix/main.cf for Postfix to work properly? - Answer-
Edit the /etc/postfix/main.cf file and change the following directives:
myhostname = mail.example.com
mydomain = example.com
myorigin = $mydomain
inet_interfaces = all
mydestination = $mydomain, $myhostname, localhost.$mydomain, localhost
mynetworks = 192.168.1.0/24, 127.0.0.0/8
setsebool -P allow_postfix_local_write_mail_spool on
How do you add aliases in Postfix? - Answer-# vi /etc/aliases
root michael
# newaliases
How do you limit access in Postfix? - Answer-vi /etc/postfix/access
192.168.122.50 OK
server1.example.com OK
192.168.100 REJECT
example.org REJECT
What is the SELinux file type appropriate for shared Samba directories? - Answer-
samba_share_t
, What is the relevant SELinux boolean associated with the sharing of home directories
on Samba? - Answer-samba_enable_home_dirs
How do you add a Samba user? - Answer-smbpasswd -a engineer1
How do you limit Samba shares to users or groups? - Answer-valid users = tim
stephanie
valid users = +ilovelinux or @ilovelinux
What is the Samba directive that limits access to systems on the example.org network?
- Answer-hosts allow .example.org
TCP Wrapper Examples - Answer-sshd : .xyz.com
sshd : ALL
vsftpd : 192.168.1.
ALL : 192.168.0.1/255.255.255.0
ALL : *.xyz.com
sshd : ALL EXCEPT 192.168.0.15
What command enables the SELinux boolean for anonymous FTP uploads? - Answer-
setsebool -P allow_ftpd_anon_write on
How do you setup FTP directories where anonymous users can write files? - Answer-
setsebool -P allow_ftpd_anon_write on
semanage fcontext -a -t public_content_rw_t /var/ftp
restorecon -r /var/ftp
How do you reference the SELinux policy on another directory? - Answer-chcon -R --
reference /var/www/html html/
chcon -R --reference /var/www/cgi-bin cgi-bin/
What services need to run at boot for NFS? - Answer-rpcbind, nfs, and nfslock
How do you list the file systems you intend to share with clients using NFS? - Answer-vi
/etc/exports
/var/ftp/pub 192.168.0.0/24(ro,sync)
/exports/read 192.168.0.0/24(ro,sync)
/exports/write 192.168.0.0/24(rw,sync) 127.0.0.1(rw,sync)
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