Bitcoin halving is expected to take place around May 12th, 2020, A bitcoin halving is an event when miners receive 50% fewer bitcoins for verifying transactions. Bitcoin halvings are scheduled to occur once every 210,000 blocks until the maximum supply of 21 million bitcoins has been generated by the network. Bitcoin began circulating in 2009 as an electronic…
One day you might have your WordPress site hacked, what can you do to prevent it from happening. You can take some steps to slow done the risk of having your WordPress site hacked, In reality, if someone wants to hack your site they will do so.
pwd Print working directory, i.e., display the name of my current directory on the screen. hostname Print the name of the local host (the machine on which I am working). Use netconf (as root) to change the name of the machine. whoami Print my login name.id username Print user id (uid) and his/her group id (gid), effective…
Crontab Restrictions You can execute crontab if your name appears in the file /usr/lib/cron/cron.allow. If that file does not exist, you can’t use crontab if your name does not appear in the file /usr/lib/cron/cron.deny. If only cron.deny exists and is empty, all users can use crontab. If neither file exists, only the root user can…