server management
Upgrading from Debian Jessie to Debian Stretch
Debian 9, also known as Debian Stretch is currently the latest stable version of the Debian operating system. It was released on 17th June 2017 as successor to Debian 8 also known as Debian Jessie.
ReadSecuring Linux servers with SeLinux, ClamAV, SpamAssassin and RkHunter
Securing your servers is a very important task that can save your organization a lot of problems. Recently there have been a lot of cases where insecure servers belonging to high profile organizations have been exploited and used for nefarious purpose. It is therefore important to secure your servers.
ReadRunning multiple versions of mailx command
Certain commands in Linux can be provided by multiple packages. The command provided by each package may differ. For example the mailx command is provided by the bsd-mailx package as well as the heirloom-mailx package. The mailx command provided by the packages use different command line parameters.
ReadResizing Linux root partitions without unmount on Google Cloud
Virtual machines often run out of disk space and require resizing. Resizing root partitions without unmounting is always risky. It is recommended to take a backup of the partition's useful data before resizing the partition.
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