Error message: http://security.debian.org lenny/updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AED4B06F473041FA Reason: as it turns out this is because GPG key expired This key rollover is a normal maintenance task and...
Last post was about how to install nagios on debian or Ubuntu. Nagios is a famous monitoring script but problem is it is command based, however several third party web interfaces are available, one of which is nconf. Download nconf wget...
Nagios is a famous and opensource monitoring script, being widely used by most of the host to monitor their networks and servers. Installation of nagios on debian is very easy, just a command apt-get install nagios3 ms1:~# apt-get install nagios3 Reading package lists... Done Building...
Iptables provide filtering, NAT and other packet mangling. Viewing current configuration iptables -L Output will be like Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source ...
This tutorials will help you to install PPTP vpn on Xen vps. PPTP installation: Debian apt-get install pptp CentOS yum -y install pptp Configuration: Open /etc/pptpd.conf and add following 2 lines nano -w /etc/pptpd.conf localip 123.123.123.123 remoteip 192.168.1.1-200 Replace...
Nmap is a utility in linux to for port scanning on network, and for single host computer. It can be used to see open ports for any server system. Its installation in different linux flavors is very easy For Red hat based flavors like CentOS, Fedora:- yum -y install nmap For Debian based...
First verify that these setting have not already been customized, as running the commands will overwrite any changes they have made. The following command will show you whether those files exist: ls /var/qmail/control | egrep 'timeoutremote|timeoutsmtpd|concurrencyremote' Run following command...
When installing a new service under debian, the default is to enable it. So for instance, if you just installed apache2 package, after you installed it, apache service will be started and so will it be upon the next reboots. If you do not use apache all the time, you might want to disable this...
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