Posts

• Varnishlog filter the records for debugging — July 25, 2011
  Varnishlog filter the records for debugging
• Remove spaces from file names with Linux — July 25, 2011
  Remove spaces from file names with Linux
• Use varnish to avoid hot linking or image leeching — July 24, 2011
  Use varnish to avoid hot linking or image leeching
• Secure Apache and PHP, hide version numbers — July 21, 2011
  How to secure your Apache installations by hiding version numbers of Apache and PHP
• Wordpress dashboard problem with Ajax, CSS and Javascript — July 9, 2011
  Dashboard Ajax / CSS / Java not working. Something not working on the Wordpress dashboard, here how to solve it
• Farewell to Microsoft — June 28, 2011
  My own experience about how I managed to get rid of Microsoft Windows. I do not need it anymore for any task
• Varnish and virtual Hosts configuration (Apache and Nginx) — June 27, 2011
  Configure Varnish with Apache and Nginx virtualhost
• Instantiation failed for module 'eap' — June 25, 2011
  How to solve Freeradius errors Instantiation failed for module 'eap' and Failed to load module 'eap' in file /etc/raddb/eap.conf
• Install fail2ban to protect your site from DOS attacks — May 29, 2011
  How to protect your web server from DOS attacks with fail2ban
• Restart sshd linux (service, daemon) — May 15, 2011
  How to restart the sshd daemon in Linux
• Restart sshd daemon on Linux — May 15, 2011
  How to restart the ssh service, sshd daemon on Linux, Ubuntu, CentOS, Arch, Slackware
• Configure varnish logs (varnishnsca), logrotate and awstats — May 1, 2011
  How to install and configure awstats to work with Varnish logs from varnishnsca and Logrotate on Ubuntu Linux
• Nginx+Varnish compared to Nginx — April 22, 2011
  Comparing how is the performance of Nginx+Varnish vs Nginx alone
• Save Battery on Android with Tasker — March 25, 2011
  How to use tasker to save your Android's battery
• How to format a usb drive with FAT32 file system on Linux — March 11, 2011
  Learn how to format your usb drive using with FAT32 file system, using Linux tools.
• My top five ssh tips and tricks a small cheatsheet — February 28, 2011
  My favorite ssh tips together here, also some scp common tricks
• How to copy files and sync files between Linux or Mac computers with rsync — February 20, 2011
  How to use rsync to backup or copy files between Linux or Mac computers
• How to share files with Windows using samba and no password — February 16, 2011
  How to install and configure Samba server on Linux to share files with Windows without the need to enter a password
• How to use find with boolean operators AND, OR, NOT — February 14, 2011
  Using boolean operators (AND, OR and NOT) with nix (Linux) find command
• Vim search and replace tips — February 12, 2011
  How to search and replace with vim
• Linux and BSD security. Limit time of idle ssh sessions — February 7, 2011
  Limit idle ssh sessions time, avoid unattended ones, ClientAliveInterval & ClientAliveCountMax
• SysCTL command for Linux — February 1, 2011
  Introduction to Sysctl command on Linux and how to use it
• Look for a string, word, or sentence in a file with Linux grep command, recursively — January 25, 2011
  How to find a word, sentence or any string with Linux grep command and do it recursively
• How to enable IP forwarding in Linux — January 23, 2011
  How to enable ip forwarding for Linux using different ways, temporary and permanent
• Classifying Linux Distributions — January 22, 2011
  Classifying different Linux Distributions based on applications
• How to upgrade Debian Lenny to Squeeze (5.0 to 6.0) — January 21, 2011
  Step by step Debian upgrade tutorial. This tutorial needs access to the console, and it is great to upgrade servers. This is meant for the upgrade of Lenny to Squeeze, but may work with other releases as well
• VBoxManage control and manage Virtualbox from command line — January 17, 2011
  Control VirtualBox virtual machines from the command line terminal
• How to kill a not responding application on Linux — January 7, 2011
  If you have an application that is not responding on Linux, you need to terminate it, here is how to do that
• Get Slack — December 30, 2010
  Small review of Slackware Linux, the oldest still active distribution
• How to setup a DNS server master - slave with BIND — December 29, 2010
  How to install and configure a DNS server master, slave with BIND
• Four years with Debian — December 22, 2010
  Review of Debian Linux, after four years of use and testing it
• Number of proccesses per user on Linux — December 20, 2010
  How to know How many processes each user is running in Linux
• Replicate file permissions — December 20, 2010
  How to copy or replicate file permissions from one file to another in Linux shell
• How to install Linux Kernel headers on Debian or Ubuntu — December 8, 2010
  How to install kernel headers to Ubuntu or Debian Linux, and keep them up to date
• How to find which process is eating RAM in Linux — December 7, 2010
  Check which process is using your RAM in Linux, list all processes by RAM usage
• Nginx | Create custom 404 page not found error page — December 6, 2010
  How to create custom 404 not found error page with Nginx
• How to block, lock, or deny access to a user into Linux — December 6, 2010
  How to deny the access to a user into Linux. When you need to temporary lock or block a user
• Interview with Debian Developer Raphaël Hertzog: is Ubuntu beneficial for Debian? — December 3, 2010
  Interviewing Raphael Hertzog. A Debian developer and active Linux community member
• cmatrix, The Matrix screen on a Linux terminal — December 3, 2010
  Make your Linux terminal console looks like The Matrix from the movie.
• How to find open ports in Servers in your Network with Linux — December 3, 2010
  How to find which ports are opened in your Network with Linux and nmap
• How to erase, blanck or wipe your disk, or usb memory stick — December 2, 2010
  How to completely and securely wipe a USB key memory to protect your privacy
• Break and Continue in Bash For Loop — November 20, 2010
  How to break a bash for loop, and how to continue the loop
• Run commands on remote server via ssh — November 10, 2010
  How to run commands on remote servers using a temporary ssh connection, the ssh connection closes when the command is finished
• Slackware review — November 3, 2010
  In depth review of Slackware Linux
• Too Many Linux Distributions — October 31, 2010
  Analisys, are there too many Linux Distributions?
• mkfs.vfat and mkfs.ntfs Arch Linux — October 23, 2010
  How to format a FAT32 file system with Arch Linux
• Install Development Tools in Linux (GNU GCC Compiler and others) — October 15, 2010
  How to install GNU GCC and other development tools in Debian, Fedora or Arch Linux
• Gwibber and Hotot review — October 12, 2010
  Review of two Twitter Linux clientes, Gwibber and Hotot
• How to send mail from command line with Gmail and Mutt — October 12, 2010
  How to send email from command line in Linux with Mutt using your Gmail account
• ssh public key only login - authentication — October 10, 2010
  ssh public key only login - authentication