From the category archives:

Sys Admin

How Do I Fix “crontab: command not found”

by admin on August 22, 2014

After I ordered new VPS (CentOS 6.x) on DigitalOcean (SSD Cloud VPS). I found that crontab is not installed on server, When I try to execute “crontab -e” command, I got following error # crontab -e -bash: crontab: command not found


How To Install CentOS on UEFI systems

by lifeLinux on July 23, 2014

Yesterday, I’m tried to install CentOS 6.4 to my new server IBM X3650 M2 with Minimal CentOS 6.4. My Server has two SAS 15K RPM 146GB and setting up RAID 1 Mode.

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Today, When I’m running bundle install and I’m having this error Gem files will remain installed in /usr/local/lib/ruby/gems/1.9.1/gems/nokogiri- for inspection. Results logged to /usr/local/lib/ruby/gems/1.9.1/gems/nokogiri An error occurred while installing nokogiri (, and Bundler cannot continue. Make sure that `gem install nokogiri -v ‘’` succeeds before bundling.


Here in this post I will explain how to compile and install Linux Kernel 3.13.6 in CentOS 6.5. Linux Kernel 3.3.16 stable latest version has released 2014-03-07 and you can download it from

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Since upgrading a CentOS 6.4 with a SuperMicro X8SIE-F/X9SCL board with Intel 82574L NIC to 2.6.32-431.el6.x86_64 and rebooting, I have been having consistent NIC failures where the NIC shuts down permanently until a soft reboot is performed.


How To Install Pure-FTPd With SSL/TLS On CentOS 6

by lifeLinux on August 18, 2013

FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using SSL/TLS, the whole communication can be encrypted, this making FTP much more secure. This article explains how to set up Pure-FTPd with SSL/TLS on a CentOS 6 server.