ssh agent

When working remotely, one is known to sometime connect to a machine (within the vpn’d network) as a jump box. Unfortunately, it doesn’t seem to cache the ssh keys properly. Thus, they should be stopped and restarted: ps -ef |grep “[s]sh-agent -s” | awk ‘{print “kill ” $2}’ |sh eval ssh-agent -s ssh-add ~/.ssh/id_rsa Of … Read more

centos7 /boot cleanup

Recently done some work on tweaking the centos7 system to run a newer kernel version.  Similar to: https://wiki.mikejung.biz/CentOS_7 However, upon installing a newer kernel and rebooting the system, I discovered the /boot file system had 6MB of free space left.  Apparently, time for a cleanup.  Here are the steps I used to clean up space, … Read more