I’ve mentioned sudo in these tips before. It’s a neat little utility for executing commands as somebody else. Well, today I bring you a handy guide I found on using sudo. I already knew most of the stuff, but some of it was new, and it looks pretty good as a starter for new users. [...]
Archive of posts filed under the tips category.
Debian OpenSSL
Sorry readers, no *nix Tip of the Day today. Just a brief word about the recent Debian OpenSSL vulnerability. I’m sure you’ve heard about Debian’s OpenSSL “Disaster”. The short of it is that while fixing a questionable line in the OpenSSL/OpenSSH key generator, the Debian maintainer accidentally removed most of its entropy generation ability. Debian [...]
*nix Tip of the Day: tee
tee is a handy little utility that probably all of you know about, but I just found this year. Consider the following scenario: you’re maintaining your Gentoo Linux system and you need to add a line to /etc/portage/package.unmask. So you type sudo echo “sys-kernel/gentoo-sources” >> /etc/portage/package.unmask right? Nope! The way shell parsing works, that turns [...]
*nix Tip of the Day: rxvt-unicode and terminfo
An important part of a *nix system is a good terminal emulator. For some, this means the classic xterm. The same xterm that’s happy to use 7 MiB of resident memory for each instance. Or perhaps you run a full DE like Gnome and are happy to use gnome-terminal and enjoy 19 MiB of resident. [...]
*nix Tip of the Day: SSH SOCKS Proxying
Continuing on my theme of SSH tips, today’s Tip of the Day talks about the awesomeness of SOCKS proxying. As some of the more savvy among you may know, OpenSSH supports full Layer-2/Layer-3 VPN functionality using a tun device. This is an incredibly useful feature if you’re off-site and need like-local access to home, work, [...]
