I’m a convert to Linux in the last several years. I don’t remember when it happened exactly, but I vividly remember the first time I (tried to) used Microsoft Office 2007, I was sure I was on the right path. Recently some friends have asked me why they should make the migration to Linux. I can list many reasons, but...
Ubuntu 12.04 LTS Tested Linux ls sort by date modified ls -t Linux ls only directories sort directory verbose ls /path/to/directory/* -d -l Linux find and delete files older than X days find /path/to/files* -mtime +5 -exec rm {} \;
https://help.ubuntu.com/community/BastilleLinux sudo apt-get install bastille sudo apt-get install perl-tk sudo bastille -x
How To see all services available, type in terminal; sudo service –status-all How To see all services running and ports, type in terminal; sudo netstat -plunt How To remove a service from startup at boot sudo update-rc.d -f [service] remove How To enable a service to run on boot sudo update-rc.d [service] defaults
Linux Directory Rules rsync -vaz ~/qwerty ~/mydir CREATES a /qwerty directory under the ~/mydir directory COPIES the DIRECTORY and CONTENTS of the ~/qwerty directory into this newly created directory Without a trailing slash / it means “COPY THE DIRECTORY” rsync -vaz ~/qwerty/ ~/mydir Does NOT CREATE /qwerty directory COPIES the CONTENTS of the ~/qwerty directory to the mydir directory A...
I wanted to remove the splash image while booting Debian 7 Wheezy and watch the code execute, while also use the full screen resolution.
Which disk? sudo fdisk -l Non-destructive read-write test If you want to preserve your data try this first sudo badblocks -svn /dev/sdb smartmon Check to see if your fix worked sudo apt-get install smartmontools sudo smartctl –all /dev/sdb sudo smartctl -A /dev/sdb sudo smartctl -a /dev/sdb | grep -i reallocated Use DD to automatically mark bad blocks – destructive if...
Debian/Ubuntu Linux : How To Fix a missing eth0 adapter after moving HDD from one machine to another. Explanation : Debian and Ubuntu write the MAC address of the ethernet adapter to a file that prevents the eth card in the new machine from being recognized. Delete the lines in this persistent-net.rules file and upon reboot, linux will see the...
Its not enough to harden just Ubuntu. Its necessary to harden the rest of LAMP as well. So here is how I do it. Harden MYSQL sudo mysql_secure_installation answer Yes to all questions (but no need to change password) Harden PHP – and tune performance sudo apt-get install php5-suhosin sudo vi /etc/php5/apache2/php.ini uncomment this code or update setting max_execution_time =...