MohidWiki - User contributions [en]

Openvpn

2007-05-21T21:44:11Z

87.196.206.1: /* Sample Configuration File */

[[Openvpn]] allows to establish a [http://en.wikipedia.org/wiki/VPN vpn] connection to a remote network.

==Openvpn client==

From the client perspective, it requires the openvpn client to be installed. It also requires a configuration file, some certificates, a key file and a personal user-defined password:

*'''maretec_ist.ovpn'''
*'''MARETEC_VPN_CA.crt'''
*'''usr.MARETEC.crt'''
*'''usr.MARETEC.key'''

==Linux==
Here's how to establish a vpn connection to a remote network with openvpn client:
root> openvpn --config maretec_ist.ovpn

==Sample Configuration File==

Here's a typical configuration ''.ovpn'' file:

remote 193.13?.12?.2?5
rport 1?35?
proto udp
dev tap
pull
tls-client

##Uncomment this line in Windows XP
##Comment this line in Linux
#show-net-up

ca MARETEC_VPN_CA.crt
cert usr.MARETEC.crt
key usr.MARETEC.key

# enable LZO compression
comp-lzo
verb 4

==External references==
*[http://en.wikipedia.org/wiki/OpenVPN Openvpn],
*[http://en.wikipedia.org/wiki/VPN Vpn]

[[Category:Linux]]
[[Category:Windows]]

Su

2007-05-21T21:01:05Z

87.196.206.1:

[[Su]] is the linux command that invokes the super-user login. It allows root access to the system.

==See also==
*[[Sudo]]

[[Category:Linux]]

Sudo

2007-05-21T20:59:22Z

87.196.206.1: /* Examples */

[[Sudo]] is the linux command that allows users to perform [[su]] commands.

==Sudoers list==
Only registered users in ''/etc/sudoers'' can [[sudo]].

Here's a sample snippet from a sudoers file:

# User privilege specification
root ALL=(ALL) ALL
guillaume ALL = NOPASSWD : ALL

==Examples==
> sudo cat /etc/fstab
shows the permanently [[mount|mounted]] partitions.

==External References==
*[http://en.wikipedia.org/wiki/Sudo Wikipedia sudo]
*[http://www.gratisoft.us/sudo/sample.sudoers sudoers]

[[Category:Linux]]

Samba

2007-05-21T20:10:31Z

87.196.206.1:

How to [[mount]] a samba drive in a [[*NIX platforms]]:

from /mnt/:

mount -t smbfs -o username=USER,password=PASSW
//mandriva/cgi-bin/nph-dods/dods-data /var/www/html/dods-data

==Managing the samba service==
>service smb restart
>service smb start
>service smb stop

==Configuring samba==
Edit the <code>/etc/samba/smb.conf</code>
#/etc/samba/smb.conf

[global]
workgroup = MARETEC
server string = Samba Server
log file = /var/log/samba/%m.log
max log size = 50
dns proxy = No
hosts allow = 192.168.20. 192.168.23.
cups options = raw

[homes]
comment = Home Directories
read only = No

[printers]
comment = All Printers
path = /usr/spool/samba
printable = Yes
browseable = No

[public]
path = /home/samba/public
read only = No
guest only = Yes
guest ok = Yes
[[Category:Technology]]
[[Category:Linux]]

==Adding samba users==
To add a samba password:
root@dual_64# smbpasswd -a fedora

Henceforth, the \\Dual_64 share is available from a windows NT environment to user ''fedora''.

==Accessing windows shares==
This command will display NT domain available hosts:
user@dual_64# smbclient -U guillaume -W MARETEC -L maretec.ist.utl.pt

This command allows to access NT hosts machines:
user@dual_64# smbclient //GUILLAUME/Aplica -U guillaume -W MARETEC

==External references==
*[http://yolinux.com/TUTORIALS/LinuxTutorialMicrosoftWindowsNetworkIntegration.html#SMB4K Tutorial]