Category Archives: sysadmin

sysadmin

ss – the alternative to netstat

ss – the alternative to netstat | An alternative to netstat is the utility ss. ss dumps socket statistics in a clear and more simple view as compared to netstat. Let’s check it out! With no options specified, ss displays a list of TCP sockets with established connections. This is useful on a server to see what clients are connected. The option

Install EPEL Repository for CentOS 6

Install EPEL Repository for CentOS 6 | The Fedora EPEL Repository provides many additional packages that are for use with either Red Hat or CentOS. I’ll show you how to add this repository for CentOS 6! Run the following command (you do use sudo, right?!): 32bit: $ sudo rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm 64bit: $ sudo rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Now enjoy 7674 additional packages

Install Drupal 7 in Ubuntu 12.04

Install Drupal 7 in Ubuntu 12.04 | Drupal 7 is provided in Ubuntu 12.04. I’ll show you how to get it up and running! 1. Install the package drupal7: $ sudo apt-get install drupal7 2. Create the following apache site configuration file: $ sudo nano /etc/apache2/sites-available/drupal7 Alias /drupal7 “/usr/share/drupal7″ < Directory /usr/share/drupal7 > Options -Indexes FollowSymLinks MultiViews < /Directory > 3. Enable

Change sudo default password timeout

Change sudo default password cache | sudo’s default password cache time is 5 minutes. To change the default time, it is possible to edit a setting in /etc/sudoers as desired. I’ll show you how! Edit /etc/sudoers with your desired text editor, or as standard with sudo visudo: $ sudo visudo For example, to increase the timeout to 30 minutes for user

Combine apt-get update and apt-get upgrade in one command

Combine apt-get update and apt-get upgrade in one command | On Ubuntu or Debian, it is possible to make a small bash one-liner to fully update the host with one simple command. I’ll show you how! 1. Create a file called ‘update’ in /usr/local/bin: $ sudo nano /usr/local/bin/update 2. Type the following for the file contents, then save with Control+X. #!/bin/bash sudo apt-get update &&