Sudo is one of the most powerful and dangerous tools in the Unix or Linux system administrator's toolbox. With it, an ordinary user can run commands just as if he or she were the superuser or any ...

Installing and updating the OS, managing user accounts, and looking after security are just a few of the primary responsibilities of a Linux systems administrator. While I don’t imagine that I’ll ever ...

A few articles ago, I started a Sysadmin 101 series to pass down some fundamental knowledge about systems administration that the current generation of junior sysadmins, DevOps engineers or "full ...

Linux Foundation Educationは、今年もSysAdmin感謝デーを記念して、テックキャリアを強力に支援する特別キャンペーンを実施します。トレーニング、認定試験、バンドルなど、幅広いラインアップを対象に、最大1,000ドルの割引を用意しました。これらの割引は ...

This is the first in a series of articles on system administrator fundamentals. These days, DevOps has made even the job title "system administrator" seem a bit archaic, much like the "systems analyst ...

Begin your Linux training with the 2023 Complete Linux Programming Certification Bundle — now on sale for $30. If you’re working toward a career in IT, a solid foundation with Linux could help you get ...

Hi, my name is Adrienn (Adri). I have been working in the web hosting industry for the past 9 years. Over the last few months, I started diving deeply into Linux, networking, infrastructure and system ...

I'm not exactly new to linux, but I've had a very long run where I haven't had much contact with it. My first was setting up smb to run a fileserver. I also learned either ipchains or iptables (can't ...

Ad-hoc system administration is error-prone. You run a security audit and forget to check SUID files. You chase a slow box and never look at disk I/O wait. You diagnose a dead service by guessing ...