Server Configuration Syntax error check

SSHD server check for syntax error
 
# sshd -t

FTP server check for syntax error
# vsftpd

DNS server check for syntax error  

For checking syntax errors in main configuration file.

# named-checkconf named.conf 

Syntax OK

#named-checkzone example.com /var/named/chroot/var/named/exaple-zone.frd

SAMBA server check for syntax error
# testparm

APACHE server check for syntax error
# httpd -t

For virtual hosts
# httpd -t -D DUMP_VHOSTS

TCP Wrappers check for syntax error
# tcpdchk
# tcpdchk -v

Postfox server check for syntax error

# postfix check
# postfix -vv

LIGHTTPD server check for syntax error

# lighttpd -t -f /etc/lighttpd/lighttpd.conf

Squid server check for syntax error

# squid -k check
# squid -k parse

NAGIOS server check for syntax error

# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg