Tag Archives: Linux

sar usage

I like to use the linux utility sar (system activity reporter (?)) I gives a fast and quite complete overview over the performance of a linux system. SAR has a lot of possibilitys. I just highlight a few of them to remember how the syntax is 🙂 CPU information of today oracle@lqas4342:~$sar Linux 4.18.0-425.13.1.el8_7.x86_64 (lqas4342.mod.nl) …


Whenever I need to do something concerning DNS resolving I resort to dig. Some examples: Getting the IP adres for maboc.nl: martijnmbos@penguin:~$ dig maboc.nl ; DiG 9.11.5-P4-5.1+deb10u3-Debian maboc.nl ;; global options: +cmd ;; Got answer: ;; ->>HEADERHEADERHEADERHEADER