Category Archives: Linux Maintenance

By May 10, 2019

Using the command line If you’ve upgraded from past Fedora releases, you are likely familiar with the dnf upgrade plugin. This method is the recommended and supported way to upgrade from Fedora 29 to Fedora 30. Using this plugin will make your upgrade to Fedora 30 simple and easy. 1. Update software and back up


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By April 06, 2019

Enable EPEL: yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm Install yum-utils if it is not already installed. yum install yum-utils Enable the Remo repository for PHP 7.2: yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm yum-config-manager –enable remi-php72 Once you are done with these steps, you can go ahead and install PHP 7.2 2. Install PHP 7.2 on CentOS 7 To install PHP 7.2


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By March 26, 2019

As of 2018 , Docker-Ce will cause a core dump on older Pi zero’s and Raspberry pi’s. Reference https://github.com/moby/moby/issues/38175 The fix for this is downgrade Docker CE to 18.06 sudo apt-get install docker-ce=18.06.1~ce~3-0~raspbian


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By March 07, 2019

Network Time Service. setting up a time server is pretty straight forward once you have some understanding. Being a linux user , it pretty hard to find a reliable public time server. Most of them are slow and hard to reach.  I decided to setup a private time server for my internal and external servers.  


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By November 11, 2018

Centos 7X Enable FTP TLS Reference https://linuxconfig.org/setup-secure-proftpd-server-on-centos-7-with-tls Set the port range in /etc/proftpd.conf echo “PassivePorts 49152 65534″ >> /etc/proftpd.conf Open the Firewall ports firewall-cmd –add-port=49152-65534/tcp –permanent firewall-cmd –reload Validation firewall-cmd –list-ports Update the options in /etc/sysconfig/proftpd From PROFTPD_OPTIONS=”” To PROFTPD_OPTIONS=”-DTLS” Verify TLS has been setup in /etc/proftpd.conf TLSEngine on TLSRequired on TLSRSACertificateFile /etc/pki/tls/certs/proftpd.pem TLSRSACertificateKeyFile /etc/pki/tls/certs/proftpd.pem


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