How to configure Multipath IO in CentOS SAN Storage Configuration Perform preliminary configuration steps within the storage controller, FC switches e.g.: * LUN Creation * FC zoning * LUN Masking Install Multipath Driver yum install device-mapper-multipath systemctl enable multipathd systemctl start multipathd Scan the FC HBA device for new LUNs * The device…
To enable sshd in anaconda linux installer: (ignore the host key problem error message) 1. Open a shell on the console (e.g. Alt + F4) 2. Get the IP address (ifconfig -a) 3. Start the sshd daemon using the anaconda config sshd -f /etc/ssh/sshd_config.anaconda -D 4.…
Look at the keys, there is content in the cache: [admin@redis ~]$ redis-cli 127.0.0.1:6379> keys * (empty list or set) 127.0.0.1:6379> select 1 OK 127.0.0.1:6379[1]> keys * 1) "3d249bbe820535b87213da5a861cfcb7" 2) "d6b1628d4f49ff60eceb20b2c100c80e" 3)…
Clone a repo containing submodules In this example I'll clone the terraform-docker-registry repo. The repo contains a few submodules, although the paths (on the git server) have changed, therefore a clone fails. [user@linux_workstation ~]$ git clone -c http.sslVerify=false --recursive ssh://git@git:7999/myproject/terraform-docker-registry.…
I used this to wake some CPU cores which had been sleeping Start a process In this example we will use the yes command (which ordinarily prints "yes" to the screen repeatedly) [robbie@host ~]$ yes > /dev/null & [1] 76493 Observe current CPU core frequencies [robbie@ host…