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On centos 7, there are instances where you get the error Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subjectError registering authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of…
Command to run the Apache benchmark tool (ab) with 200 simultaneous requests until 2000 requests are completed: # ab -k -c 100 -n 2000 localhost/checkiffileexists.php Let’s run the test and…
Mdadm is the modern tool most Linux distributions use these days to manage software RAID arrays; in the past raidtools was the tool we have used for this. This cheat…
First Check the NIC driver version installed on the server. # /sbin/lspci | grep Ethernet 0b:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection 15:00.0 Ethernet controller: Intel Corporation 82574L…
By default, Rsyslog service is automatically installed and should be running in CentOS/RHEL 7. In order to check if the daemon is started in the system, issue the following command…
If you get Encryption error on login using root then try following. Login as root in shell/ssh1. try setting new password for root user. passwd if this does not help…
Centova Cast is the leading management platform for Internet radio streams, providing extensive insight and control to stream hosting providers.Centova Cast offers powerful features for both stream hosting providers and…
If you’re logged in, or having issues logging in, where you get booted back to the main login page, and your: shows this error but both IPs are yours, that’s…
ProFTPD package is installed from the Atomicorp repository: Connection to a server via FTP fails with on of the following error messages: The following error appears in the system logfile…