chris

Python return statement — step-by-step Python tutorial on Progressive Robot

Python return statement

URL: https://www.progressiverobot.com/python-return-statement/ The python return statement is used to return values from the function. We can use the return statement in a function only. It can't be used outside of a [Python function](/community/tutorials/python-function-arguments). Python Function without return statement Every function in Python returns something. If the function doesn't have any return statement, then it returns […]

Read more
Ubuntu 16.04 — storebackup — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — storebackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 December 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4508-1 Related CVEs: CVE-2020-7040 Upstream summary: It was discovered that StoreBackup did not properly manage lock files. A local attacker could use this issue to cause a denial of service […]

Read more
How to Use min() and max() in R — step-by-step DevOps tutorial on Progressive Robot

How to Use min() and max() in R

URL: https://www.progressiverobot.com/min-max-in-r/ Finding min and max values is pretty much simple with the functions min() and max() in R. You know that we have functions like [mean](/community/tutorials/find-the-mean-of-values-in-r), [median](/community/tutorials/find-the-median-in-r), [sd](/community/tutorials/find-standard-deviation-in-r), and mode to calculate the average, middle, and dispersion of values respectively. But did you ever thought of a function which gives you min and max […]

Read more
Java String Array to String — step-by-step Programming tutorial on Progressive Robot

Java String Array to String

URL: https://www.progressiverobot.com/java-string-array-to-string/ Today we will look into how to convert Java String array to String. Sometimes we have to convert String array to String for specific requirements. For example; we want to log the array contents or we need to convert values of the String array to String and invoke other methods. Java String Array […]

Read more
How to Configure Network Attached Storage on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Network Attached Storage on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure network attached storage on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

Read more
Ubuntu 16.04 — pure-ftpd — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — pure-ftpd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 December 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4515-1 Related CVEs: CVE-2020-9274 Upstream summary: Antonio Norales discovered that Pure-FTPd incorrectly handled directory aliases. An attacker could possibly use this issue to access sensitive information. (CVE-2020-9274) Table of contents […]

Read more
CHAT