General Informations Online Notebook

How to instal modsecurity in centos $ yum install modsecurity ( use atomic repo or other repository dont compile ) Download the base rules on modsecurity official site extract it in /etc/httpd/modsecurity/ Edit your /etc/httpd/conf.d/00-modsec (some file like this) add the path of the folder of the standard base rules just copy the existing path and edit restart apache $ service httpd restart This will block almost all sql so if you have a website like oscommerce, joomla, wordpress be sure to edit the rules, I haven't so I cant put it here :)

Caching-only name servers are servers not authoritative for any domains except 0.0.127.in-addr.arpa , the localhost. A caching-only name server can look up names inside and outside your zone, as can primary and slave name servers. The difference is that when a caching-only name server initially looks up a name within your zone, it ends up asking one of the primary or slave names servers for your zone for the answer. http://www.faqs.org/docs/securing/chap21sec164.html How To: Configure Caching Nameserver (named)   The necessary files to setup a simple caching name server are: named.conf db.127.0.0 db.cache named script To configure the /etc/named.conf file for a simple caching name server, use this for all servers that dont act as a master or slave name server. Setting up a simple caching server for local client machines will reduce the load on the network's primary server. Many users on dialup connections may use this configurati...

On terminal go super user $ su - $ palimpsest

Directory Description bin Essential command binaries boot Static files of the boot loader dev Device files etc Host-specific system configuration lib Essential shared libraries and kernel modules media Mount point for removable media mnt Mount point for mounting a filesystem temporarily opt Add-on application software packages sbin Essential system binaries srv Data for services provided by this system tmp Temporary files usr Secondary hierarchy var Variable data

grep "^Jan.*d\:" /var/log/messages|tail -n 14 grep "^Jan.*d\:" /var/log/maillog|tail -n 14    

$ convert -resize "800x640" wallpaper.jpg wallpaper2.jpg $ convert -crop "640x480+40+0" +repage  wallpaper2.jpg  grub-in.jpg $ convert -colors 14 grub-in.jpg grub-menu.xpm $ gzip grub-menu.xpm