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.
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
How to Use chown in Linux
Use the chown command to change file owner and group information. Use the chmod command to change file access permissions such as read, write, and access.
How to Force fsck on Reboot
The system utility fsck (for “file system check”) is a tool for checking the consistency of a file system in Unix and Unix-like operating systems.
Disable Recursion on Bind DNS Server
Log into SSH on your dedicated or cloud server.
# vi named.conf
Make sure following settings exists under Options { … } settings:
How to Limit the IP Address that sshd Listens
Log into SSH on your dedicated or cloud server.
You can edit the sshd_config file located in /etc/ssh/.
# vi /etc/ssh/sshd_config
