In this post, we will see one of the common error while using sudo and how to fix that. I. Problem [root@ngelinux bin]# sudo -u mysqld sh /monitor/mysqld/scripts/mysqld_NGEL.sh root is...
In this post, we will see how to reinstall any installed package in Linux using Yum or dnf. 1. Check out the package and version available to install/reinstall. [ngeroot@ngelinux01 grub2]#...
In this post, lets see how to remove a file or directory starting with “-“. This is bit tricky as you can’t remove it directly. Lets check this out. 1....
Today in this post, we will see how to extract the private key from PFX certificate file. We will first extract the encrypted key and then we will extract the...
In this post, we will see one of the common error message of ndo2db and its solution. I. Error Message [root@ngelinux01 ~]# /usr/local/nagios/bin/ndo2db -c /usr/local/nagios/etc/ndo2db.cfg -f Could not bind socket:...
Today we will see one of the most common issue that after rebooting system our resolv.conf file is getting updated everytime and our DNS client configuration is removed. Let us...
In this post, we will understand how to see if hyperthreading or multi-threading is enabled on a Linux server or not from OS end. There are two points we need...
Today we will see one of the most common error message and its solution. I. Error Message [root@ngelinux orasystem]# su - oracle Last login: Fri Jun 23 01:48:02 PDT 2023...