chack date tim

#date

Sample output:

Tue Oct 20 09:33:13 PDT 2015

To display calendar, use cal command:

#cal

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Following iptable rule will drop incoming connection from host/IP 202.54.20.22:

#iptables -A INPUT -s 202.54.20.22 -j DROP

# iptables -A OUTPUT -d 202.54.20.22 -j DROP

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Allow or block specific network activity

# sudo ufw enable

# sudo ufw disable

allow SSH connections

# sudo ufw allow ssh

#sudo ufw block ssh

allow connections on port 53

#sudo ufw allow 53

#sudo ufw block 53

List current firewall rules and stop firewall (old method)

# sudo iptables -L -n

and

#sudo ufw status verbose

Edit the /etc/sysctl.conf file:

$ sudo nano /etc/sysctl.conf 

Find the following text:

# Uncomment the next line to enable packet forwarding for IPv4
#net.ipv4.ip_forward=1

Uncomment the net.ipv4.ip_forward=1 line:

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apt-get update
apt-get upgrade

 sudo apt-get install freeradius freeradius-mysql apache2 php5 libapache2-mod-php5 mysql-server mysql-client php5-mysql

# sudo sudo apt-get install freeradius freeradius-utils freeradius-mysql

install  samba

# apt-get install samba samba-common python-glade2 system-config-samba

config  file edit

# nano /etc/samba/smb.cnf

[global]
workgroup = WORKGROUP
server string = Samba Server %v
netbios name = ubuntu
security = user
map to guest = bad user
dns proxy = no
#============================ Share Definitions ============================== 
[Anonymous]
path = /samba/anonymous
browsable =yes
writable = yes
guest ok = yes
read only = no

-------------------------------
# mkdir -p /samba/anonymous
#service smbd restart
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