Show all iptables rules and include line numbers
iptables -L INPUT --line-numbers
Replace iptables rule at a specific line number
iptables -R X INPUT <new rule here>
- read more
Grow LVM physical volume
The pvresize command can be used to grow an existing physical volume so long as you grow the parition on the underlying device.
- Use
fdisk -l /dev/sdc1to find the start sector of the partition. - Delete existing partition and create a new partition with the same start sector.
- Use …
- Use
Signing GnuPG keys with caff
These are my notes on getting caff configured and working in order to send signed keys after the OhioLinuxFest keysigning. All of this was done on a Fedora 24 Workstation using only the standard repositories.
Installation
The
read morepgp-toolspackage provides caff. It can be easily installed with yum. I also …Configuring ipmi using ipmitool
Packages and Services
On RHEL7Server the
OpenIPMIandipmitoolare necessary to configure and use IPMI.$ yum install OpenIMPI ipmitool
Networking
Configure a static ip address on the first port. For dynamic configuration set
ipsrcto dynamic.read more$ sudo ipmitool lan set 1 ipsrc static $ sudo ipmitool lan set 1 ipaddr …
Reinstall the Kernel with yum
After failing to update the initrd after making changes to the plymouth boot I was unable to boot into the kernel. The yum reinstall fixed this
$ yum reinstall kernel
However, this doesn't always work. If yum feels the kernel is already installed and healthy this will return 'nothing to do' …
read more