DIsks GPT vs MBR

A partition structure defines how information is structured on the partition, where partitions begin and end, and also the code that is used during startup if a partition is bootable.

xss exploit with dwma

how to change root password mysql

# /etc/init.d/mysqld stop
# /usr/bin/mysqld_safe --skip-grant-tables --skip-networking &
# mysql -u root
mysql> use mysql;
mysql> UPDATE user SET Password=PASSWORD("your password here") WHERE User="root";
mysql> exit
# /etc/init.d/mysqld stop
# /etc/init.d/mysqld start

Cisco switch port in err disabled , how to recover

go to the specific port configuration mode.

disable port security , disable and enable

show port 0/19                          will show state

Port  Name               Status     Vlan       Level  Duplex Speed Type
----- ------------------ ---------- ---------- ------ ------ ----- ------------
0/19              errdisable   1 normal   auto  auto 10/100BaseTX
 

acc-sw-2960-48p-svr-(config-if)#no switchport port-security

acc-sw-2960-48p-svr-(config-if)#shutdown

acc-sw-2960-48p-svr-(config-if)#no shutdown

Inter VLAN routing with linux

https://thejimmahknows.com/inter-vlan-routing-with-linux-powerconnect-5324/

http://parkersamp.com/2010/03/howto-using-linux-as-a-simple-load-balancer-nat-router-firewall/

squid install guide on windows

never tried

http://certcollection.org/forum/topic/98920-installing-squid-proxy-server-running-on-windows/

Fix yum error CentOS linux : Error: file is encrypted or is not a database

Error: file is encrypted or is not a database             

[sameera@gemini test2]$ sudo yum clean
Loaded plugins: fastestmirror, refresh-packagekit, security
Error: clean requires an option: headers, packages, metadata, dbcache, plugins, expire-cache, rpmdb, all
[sameera@gemini test2]$ sudo yum clean all
Loaded plugins: fastestmirror, refresh-packagekit, security
Cleaning repos: base epel extras linuxtech-release rpmforge updates
Cleaning up Everything