Distros

FAQ: How to change Duplex and/or Auto-Negotiation NIC settings in Linux?

Q: How to disable auto-negotiation option of my network interface card and set up half/full duplex mode manually from Linux command line (CLI)? By the way, how to see current settings? A: There are several Linux utilities coming with almost any distribution including Debian, Ubuntu,… Read More »FAQ: How to change Duplex and/or Auto-Negotiation NIC settings in Linux?

Ubuntu (featured logo)

OpenLDAP + Samba Domain Controller on Debian or Ubuntu

Historically domain controllers (DCs) were Windows servers responding to security authentication requests (logging in, etc.) within the Windows Server domain. Today Samba project goes beyond emulating Windows shares and can be used as Primary Domain Controller in Windows network. To help people who are under… Read More »OpenLDAP + Samba Domain Controller on Debian or Ubuntu

FAQ: How to block/allow packets sent by specific Operating System with iptables?

Question: How can I block traffic coming from specific operating system in Linux? In other words, how can I block traffic from Windows users on my firewall and allows other people? Answer: There is an iptables module named OSF (passive OS Fingerprinting) that was written… Read More »FAQ: How to block/allow packets sent by specific Operating System with iptables?

Create .deb or .rpm from .tar.gz with checkinstall

Checkinstall is extremely useful utility to create .deb packages for Debian, Ubuntu (or .rpm packages for Fedora, RedHat, CentOs) from .tar.gz (or .tgz) source tarball after it’s compiled at your Linux box. In other words you can prepare binary package for later usage without need… Read More »Create .deb or .rpm from .tar.gz with checkinstall