How to set up automatic updates for Ubuntu Linux 18.04

How do I configure automatic updates for Ubuntu Linux 18.04 LTS “Bionic Beaver” server?   The Linux server security is indeed an essential task for sysadmins. One of the most fundamental ways to keep the server secure is by installing security updates on time to...

When SNMP spams the log

On Linux systems SNMP usually protocols incoming SNMP connections in your syslog file. Depending on your SNMP polling cycle and your amount of monitoring systems the entries will multiplied. . Example: Mar 4 21:12:48 hostname snmpd[31684]: Connection from UDP:...

How To Set Up an NFS Mount on Ubuntu 16.04

NFS, or Network File System, is a distributed file system protocol that allows you to mount remote directories on your server. This lets you manage storage space in a different location and write to that space from multiple clients. NFS provides a relatively quick and...

Set up a CAcert SSL certificate for DirectAdmin

This is how to set up a SSL certificate on your server and running with it, using DirectAdmin on Debian GNU/Linux. All of the following tasks are done as root, from the command line: cd /usr/local/directadmin/conf create a private key: openssl genrsa -out cakey.pem...

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