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The syntax of the procmail configuration file is?

What happens when the Linux kernel can’t mount the root filesystem when booting?

Journalling doesn’t appear to be working on an ext3 filesystem. When booting, the following line appears:
VFS: Mounted root (ext2 filesystem) readonly.
What could be causing the problem?

A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue CDROM, how can the lost GRUB first stage loader be recovered?

Which of the following organisations track and report on security related flaws in computer technology? (Please select TWO answers)

A securityconscious administrator would change which TWO of the following lines found in an SSH configuration file?

The internal network (192.168.1.0192.168.1.255) needs to be able to relay email through the site’s sendmail server. What line must be added to /etc/mail/access to allow this?

A correctlyformatted entry has been added to /etc/hosts.allow to allow certain clients to connect to a service, but this is having no effect. What would be the cause of this?

Which TWO /etc/hosts.allow entries will allow access to sshd from the class C network 192.168.1.0?

In the file /var/squid/url_blacklist is a list of URLs that users should not be allowed to access. What is the correct entry in Squid’s configuration file to create an acl named blacklist based on this file?

Users in the acl named ‘sales_net’ must only be allowed to access to the Internet at times specified in the time_acl named ‘sales_time’. Which is the correct http_access directive, to configure this?

Which statements about the Alias and Redirect directives in Apache’s configuration file are true?

Which Apache directive allows the use of external configuration files defined by the directive AccessFileName?

For an LDAP client configuration, the LDAP base needs to be set. Which TWO of the following actions would achieve that?

LDAPbased authentication against a newlyinstalled LDAP server does not work as expected. The file /etc/pam.d/login includes the following configuration parameters. Which of them is NOT correct?

route shows the following output:
Destination Gateway Genmask Flags Metric Ref Use Iface
194.168.123.5 255.255.255.255 !H 0 0
192.168.123.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.123.254 0.0.0.0 UG 0 0 0 eth0
Which of the following statements is correct?

When the default policy for the iptables INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?

What does the following procmail configuration section do?
:0fw
* < 256000
| /usr/bin/foo

Which TWO of the following options are valid, in the /etc/exports file?

The Samba configuration file uses the parameter read only=yes. Which of the following is equivalent?