Linux Administration presents a collection of common issues and useful tips for Linux system administration. Whether youβre new to system administration or have been maintaining systems for some time, we hope these tips are helpful regardless of your background or choice in Linux distributions.
Ran into an interesting question today while trying to debug a problem with a monitoring tool, what was the exact installation date of Linux system on this server? I mean …
I was trying to update one of my server that has some HHVM repositories and received this error “W: An error occurred during the signature verification. The repository is not …
I was trying to update one of my server that has some Opensuse repositories and received this error “W: GPG error: http://download.opensuse.org Release: The following signatures were invalid: KEYEXPIRED 1501595774” …
A DNS-based Blackhole List (DNSBL) or Real-time Blackhole List (RBL) is an effort to stop email spamming. It is a “blacklist” of locations on the Internet reputed to send email …
Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. The best known example application is for remote login to computer systems by …
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