Linux Server and Workstation Configuration How To

1. How To rename network interface in Linux

Tags: [network interface, Linux]  ...

2. Combining two network interfaces under FreeBSD 5.x

Tags: [network interface, FreeBSD]  ...

3. How To Securing SSH Connection

Tags: [how to, linux, unix, network, secure, SSH, connection]  ...

4. How to get Default Port Numbers

Tags: [network, port, number, linux, unix]  ...

5. How To rename network interface in Linux

/sbin/ifconfig ppp1 down /sbin/ip link set ppp1 name my_ppp /sbin/ifconfig my_ppp up

6. IPv6 Configuration on FreeBSD

So, it's time to make the IPv4-IPv6 gateway, to walk in "another Internet", to whom he will soon. GO and register at http://go6.net/4105/register.asp The kernel supports IPv6, ie it built with options ...

7. IPv6 Configuration on Ubuntu Linux

We have Ubuntu 8.10 Intrepid Ibex Server Edition, coming out to the network via PPP and working with the intranet IP through NAT. Task: to give him a real, white IPv6-address, and make its IPv6-based ...

8. Transfer of static routes to DHCP

... 16 (mask) 172.16.0.0 (network) 10.16.40.100 (gateway) here is script to generate content "option classless-route" in hexadecimal notation for older versions of dhcpd: #!/usr/bin/perl use strict; ...

9. Combining two network interfaces under FreeBSD 5.x

The Combination of two 100 Mbit/c network cards into one virtual, with a 200 Mbit/s bandwidth. kldload /boot/kernel/ng_ether.ko kldload /boot/kernel/ng_one2many.ko ifconfig rl0 up ifconfig rl1 up ...

10. Installing software through Ports on FreeBSD

... from the network. make checksum - verify checksums. make depends - rebuild depends. make extract - extract the sources in the work directory. make patch - apply patches to the application. make ...

11. Add or remove alias for a network interface in FreeBSD

Add: ifconfig fxp1 inet 192.168.2.1 netmask 255.255.255.255 alias Hide: ifconfig fxp1 inet 192.168.2.1 netmask 255.255.255.255 -alias

12. Internet gateway on FreeBSD

Building a gateway to the global network on FreeBSD - this is one of the most frequent cases using this system. The main pluses of this decision are: stability, scalability, resistance to high loads and ...

13. HowTo setting up NFS server and client on FreeBSD and Linux

... local / nfs-ro-mapall = nobody-network 192.168.1-mask 255.255.255.0 / Cdrom-alldirs, quiet, ro-network 192.168.33.0-mask 255.255.255.0 /etc/exports (For Linux) (start - service start portmap and nfs): ...

14. How To Securing SSH Connection

... allowing specific IPs, the default policy must first be set to DENY to be effective. edit /etc/hosts.deny and add the following line: sshd: ALL Add to /etc/hosts.allow the network you want to allow. For ...

15. How to get Default Port Numbers

To View a port number type in terminal for full list: cat /etc/services for one you need: cat /etc/services | grep (port number or service) View /etc/services file.

16. Get Device Information

...  Sytem Configuration # system-config-network # system-config-display # system-config-packages # system-config-... Show Logical Volums # mcedit /etc/fstab Get Swap Size # cat /proc/swaps ...

17. Creating Transparent Proxy With squid and iptables

... 192.168.5.1:8888 cache_peer [your_proxy] parent 8080 0 no-query cache_dir ufs /var/spool/squid 5000 16 256 acl clients src [your clients' network, ex. 192.168.5.0/255.255.255.0] acl all src 0.0.0.0/0.0.0.0 ...

18. Network Information and Configuration Commands

Configure Network # netconfig Get Network Status # netstat # ifconfig Get Route Information # route Get Network Cards # lspci | grep -i ethernet Dump TCP Packages to View # tcpdump Dump TCP Packages Into ...

19. Default Port Numbers

Here are listed default port numbers (full /etc/services file) # /etc/services: # $Id: etcservices.txt,v 1.2 2005/12/18 13:54:31 francis Exp $ # # Network services, Internet style # # Note that ...

20. Linux, UNIX Directories

... network, etc.) /root Root's directory /sbin Basic system software /tmp Temporary files /usr Directory impracticable important files /var Various data (logs)  ...