screen command The screen command launches a terminal in the background which can be detached from and then reconnected to. This is especially useful when you log in to the system remotely. You can start a screen, kick off a command, detach from the screen, and log out. You can then log in later and […]
Archives for August 2017
CentOS / RHEL : How to Recover from deleted /etc/passwd file
So, on one fine day you found that the /etc/passwd file is missing from your linux system. You are not able to login into the system because of this and Upon rebooting into single-mode mode the /etc/passwd file was found to be empty – no account information available. Do not worry, its not the end […]
Linux OS Service ‘anacron’
Service Name anacron Cron Vs Anacron Similar to the cron service, the anacron service runs applications or scripts at specific times and dates. This allows for reliable unattended system operation – scheduled events are not missed if the system goes down – instead, they are run as soon as possible after their scheduled time. Candidates […]
Linux OS service ‘iscsid’
Service Name iscsid Description The iscsid (Internet Small Computer Systems Interface) service implements the control path of iSCSI protocol, plus some management facilities. For example, the daemon could be configured to automatically re-start discovery at startup, based on the contents of the persistent iSCSI database. ISCSI is a protocol to access remote SCSI disks via […]