cd /usr/local/src
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
rpm -ivh rpmforge-release-0.3.6-1.el5.rf.i386.rpm
yum install munin
yum install munin-node
vi /etc/munin/munin.conf
htmldir /var/www/html/munin
mkdir /var/www/html/munin
cp -rp /etc/munin/html/* to /var/www/html/munin
chown -R munin.munin /var/www/html/munin
allow port 4949 in firewall
restart httpd, crond, munin-node
Login to the server SSH as root. Make a sender whitelist file.
touch /etc/exim_whitelist_senders
Take a backup of the exim conf and open it.
cp -p /etc/exim.conf /etc/exim.conf.BKP
vi /etc/exim.conf
Add the line on top of the file
addresslist whitelist_senders = wildlsearch;/etc/exim_whitelist_senders
Now search for the line
require verify = sender/callout
Comment that line and add the following below that.
!verify = sender/callout=30s,defer_ok,maxwait=60s
!senders = +whitelist_senders
Save conf file.
Add email address to the /etc/exim_whitelist_senders file one by one. Wildcard is also acceptable here, Eg: *@domain.com
Restart exim
cd /usr/ports/sysutils/freecolor
make install clean
To see memory details, enter:
#freecolor -t -m -o
OR
# fetch http://www.cyberciti.biz/files/scripts/freebsd-memory.pl.txt
# mv freebsd-memory.pl.txt /usr/local/bin/free
# chmod +x /usr/local/bin/free
Enter the command
# free
OR
sysctl -a | grep -i memory
—————————————————————–
CPU information
dmesg | grep CPU
—————————————————————–
Sysctl command to see rest of all information:
sysctl -a | less
iptables -I INPUT -s (allowip) -p tcp –dport (port) -j ACCEPT
iptables -A INPUT -s 0.0.0.0/24 -p tcp –dport (port) -j DROP
In apache conf under that user add this:
<IfModule mod_security2.c>
SecRuleEngine Off
</IfModule
Restart httpd
ServerAdminz Linux Blog 