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.
Create and Delete Group in CentOS/Red Hat
Command to create and delete group in Red Hat and CentOS linux
To create new group ,use given below command
# groupadd groupname
Show User Account Password Expiration
To get details of user account show account aging, password expiration ,we use the command chage.
With chage command use the option -l or –list.
Find Installation Date and Time of RPM Package
RPM stands for Red Hat Packet Manager. It is a package management system in all Red Hat based Operating System (RHEL/CentOS/Scientific Linux). In RPM known file format .rpm is used. rpm.org community is involve in maintenance and development of RPM.
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.
