How to Install, Configure and Use Firewalld in CentOS 7 / RHEL 7 / OEL 7
Firewalld (firewall daemon) is an alternative to the iptables service, for dynamically managing a system’s firewall with support for net...
-->
Firewalld (firewall daemon) is an alternative to the iptables service, for dynamically managing a system’s firewall with support for net...
While doing troubleshooting for a communication issue with telnet , i encountered following error " telnet: connect to address : No r...
By design, changes made in the /etc/hosts and resolv.conf files revert to their original values, after an instance restart, unless these ste...
After Rebooting CentOS 6 instance, The server was not coming up. The Error it was showing like below: ERROR: Jun 10 08:30:17 <hostname>...
When attempting to activating an VG the following error occurs ERROR [root@<hostname> ~]# vgchange -ay pavcri-vg 7f58e8c70000-7f58...
In this article we will cover How to boot a Oracle linux 6/RHEL 6/CentOS6 server to single user mode. Run Levels The run level determines t...
In this article we will cover How to boot a Oracle linux 7/RHEL 7/CentOS 7 server to single user mode. Single User Mode Single user mode ...
Installation of packages is failing due this error in RHEL 8. Error: 'postgresql10 All matches were filtered out by modular filtering ...
failed to execute "/bin/bash" resource temporarily unavailable in RHEL & Oracle Linux Getting Error failed to execute "...
Which rpm package provides "uuencode" and "uudecode"command in CentOS, RHEL and Oracle Linux? The uuencode and uudecode...
How to Install VNC Server on CentOS 7 / Oracle Linux 7 Virtual Network Computing (VNC) is a graphical desktop-sharing system that uses the...
How to Create a read-only user in Oracle Cloud Infrastructure (OCI) You may require to give read-only user for OCI access to external provi...
How to Solve XFS: Filesystem has duplicate UUID – can’t mount Error When i was trying to mount a volume in another server, I came across th...