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Timezone Setup – NTP

Create a symlink to file localtime: # ln -sf /usr/share/zoneinfo/EST /etc/localtime #date [bash]# chkconfig –level 2345 ntpd on [bash]# /etc/init.d/ntpd restart [bash]# chkconfig –list ntpd To see if the service started successfully, you should check the system log file. [bash]# grep ntpd /var/log/messages [bash]# ntpq

Posted in Issues, linux

Munin Installation

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

Posted in Issues

Whitelist domains in exim

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 =

Posted in Issues, Mail

Hotmail Support

https://support.msn.com/eform.aspx?productKey=edfsmsbl&ct=eformts&st=1&wfxredirect=1

Posted in Issues

Iptables rule to allow access only from one IP

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

Posted in Issues, Server Security

Disable modsec for a domain

In apache conf under that user add this: <IfModule mod_security2.c> SecRuleEngine Off </IfModule Restart httpd

Posted in Apache, Issues

Mails redirected /dev/null **bypassed**

Its an issue with spamassasign. Edit the file /etc/mail/spamassassin/local.cf and add the following lines: score FH_DATE_PAST_20XX 0.0 restart spamd and exim.

Posted in Issues, Mail
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