Scan IP addresses on LAN
A simple solution to scan your network is nmap. Avoid to use nmap in external networks, as it could be considered as an "attack". To install nmap in Debian/Ubuntu apt-get…
ext2read: a Portable Solution to Access Linux files from Windows
A I am running Linux (Archlinux or Debian) on my workstations and I use XFCE for desktop environment. I keep two portable backup versions one in an ext3 usb external…
Take Screenshot from Command Line
To take a screenshot from command line (even from ssh connection) in a system running X server: xwd -out screenshot.xwd -root -display :0.0 More about xwd here. More options here.
Massive Change of File Permissions
Use the powerful find command with exec parameter to change permissions using chmod. To change permissions to 644 for all files in /path/to, use the following command: find /path/to -type…
Search Debian system for a Certain Package
You can search for a certain package in a Debian system using dpkg. dpkg --list "package_name" Example Give the command dpkg --list "apache2*" the result looks like: Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend…