8 articles Monitoring / Networking / Security

Monitoring, Networking and Security Tutorials
Linux / Windows

How to install sar (sysstat) on Ubuntu and Debian

In this tutorial we will explain how to install “sar” sysstat on Ubuntu and Debian Server Installation of sysstat apt-get install sysstat -y Run sysstat sar -q If you get this error : Cannot open /var/log/sysstat/sa15: No such file or directory¬∑ You need to enable sysstat in the config file nano /etc/default/sysstat … # Should…

How to block an IP Address with iptables

In this tutorial, we will explain you how to block and unblock an IPv4 and IPv6 Address on your Linux Dedicated Server with iptables. Block an IPv4 Address iptables -A INPUT -s IP_ADDRESS -j DROP Block an IPv6 Address ip6tables -A INPUT -s IP_ADDRESS -j DROP Block an IPv4 Address on a specific port iptables…

How to Add IPv6 Address on Ubuntu

In this tutorial, we will explain how to add IPv6 Address on your Ubuntu Server. Interface: eth0 IPv6 Address: 2001:19c0:000e:0013:8000:0000:0000:0602/120 IPv6 Gateway: 2001:19c0:000e:0013:8000:0000:0000:0601 Log your Ubuntu server by SSH and open the network config file nano /etc/network/interfaces Add the following block in your config iface eth0 inet6 static pre-up modprobe ipv6 address 2001:19c0:000e:0013:8000:0000:0000:0602 netmask 120…

How to install CSF Firewall on cPanel Server

In this tutorial, we will explain how to install CSF Firewall on your cPanel Server. Requirement: cPanel Dedicated Server root access First log your cPanel Server by SSH ssh root@your_cpanel_server_ip Download and extract CSF on your server cd /usr/local/src/ wget https://download.configserver.com/csf.tgz tar -xzf csf.tgz Start the installation of CSF cd csf sh install.sh When done,…