To stop a FSCK from prompting or running automatically when rebooting server:
Bypass a fsck using shutdown command
When rebooting the server use the following command
OpenSSL Heartbleed Vulnerability
The bug afflicts version 1.0.1 and 1.0.2-beta releases of OpenSSL, server software that ships with many versions of Linux and is used in popular Web servers, according to the OpenSSL project’s advisory on Monday night.
Creating a Partition over 2tb on your Dedicated / Cloud Server
Log into SSH on your dedicated or cloud server.
Finding out device name and size of disk you going to work with, run the fdisk –l command.
# fdisk –l
Uninstall something in linux on my dedicated / cloud server
How to Uninstall Something in Linux on my Dedicated / Cloud Server
In the example below, we will uninstall apache.
Find out when a users last logged onto my Linux Dedicated / Cloud Server
Linux use the following two files to keep track of user login sessions:
a] /var/run/utmp – List of current login sessions.
b] /var/log/wtmp – List of previous login sessions.
c] /var/log/btmp – List all the bad login attempt.
How to Remove a folder and content in Linux
Log into SSH on your dedicated or cloud server.
You can simply run the rm –rf (directory) command.
# rm –rf foldername
Find all Hidden Directories in my Linux Dedicated / Cloud Server
Log into SSH on your dedicated or cloud server.
Type:
# find / -name type d -name “.*” -print0
What is a CPU Soft Lockup
A soft lockup is the symptom of a task or kernel thread using and not releasing a CPU for a period of time.
The technical reason behind a soft lock involves CPU interrupts and nmiwatchdog. For each CPU on the system, a watchdog process gets created. This process “wakes up” once per second, gets the current time stamp for the CPU it is
Apache and httpd running but Can’t see website for Centos 6.x
There are several possibilities.
• firewall, iptables configuration
• apache listen address / port
How to Mount a Filesystem with a Delay After a Reboot
All systems get rebooted at the same time, and network filesystems must wait for the servers to be available.
This can take more than 5 to 10 minutes, so the server boot process cannot be delayed that long and an alternative solution is desired.
