It is best practice to remember passwords, but because too many passwords, sometimes we forget.
We are not encouraged to write the password on any paper or share the password via email. This can lead to more serious security issues. Continue reading “How to Reset the Directory Manager Password on RHEL 7 / CentOS 7”
As the linux administrator, sometimes we have to identify which files are most take much space in the linux server resulting in low free space.
Low disk space can also affect server performance and sometimes cause critical processes such as backup job to fail. Continue reading “How to Find Big Files Size on Linux RHEL/CentOS”
Don’t drop your guard just because you’re running Linux.
Preventing the spread of malware and/or dealing with the consequences of infection are a fact of life when using computers. If you’ve migrated to Linux or Mac seeking refuge from the never-ending stream of threats that seems to target Windows, you can breath a lungful of fresh air—just don’t let your guard down. Continue reading “Why Linux users should worry about malware and what they can do about it”
This article will explain the steps to reset a lost root password or to reset forgotten root password on Linux RHEL 7 or CentOS 7.
Basically, the steps will adding a “rd.break” to the end of the line with kernel parameters in Grub to stops the start up process before the regular root filesystem is mounted, hence the necessity to chroot into sysroot. Continue reading “How to Reset Forgotten Root Password on Linux RHEL 7/CentOS 7”