=> Cisco 7200 Simulator for Linux. If you decided to study for the Cisco certification, this tool may come handy. Howtoforge has detailed tutorial on setting up a Cisco lab on Linux system. Dynagen is a front-end for use with the Dynamips Cisco router emulator. It uses an INI-like configuration file to provision Dynamips emulator networks. It takes care of specifying the right port adapters, generating and matching up those pesky NIO descriptors, specifying bridges, frame-relay, ATM switches, etc. It also provides a management CLI for listing devices, suspending and reloading instances, determining and managing idle-pc values, performing packet captures, etc.
=> You can capture video of all of the amazing things happening on your desktop with one of Linux’s many screencasting applications. These programs are perfect for creating demonstrations for blogs and tutorials, and for illustrating projects with more than just still images.
=> Postfix Daily Quota reportA shell script hack to create daily quota report for a Posfix mail server including file system usage of each e-mail account.
=> The developers of Firefox have unveiled an experimental project, Snowl, designed to gather all your inbound communications, whether they’re in the form of email, RSS, Twitter, or social network updates.
=> IBM has marked its 10 years of participation in Linux and open source with an open source code contribution focused on supercomputing. The software is available immediately from a software repository run by the University of Illinois’s National Center for Supercomputing Applications (NCSA).
=> Regular nixcraft contributed Ramesh has published a simple 6 steps to secure home wireless router / network
=> LinuxLeak is a new daily destination for all your Linux and Open Source news headlines, updated every 15 minutes.
|Category||List of Unix and Linux commands|
|Firewall||Alpine Awall • CentOS 8 • OpenSUSE • RHEL 8 • Ubuntu 16.04 • Ubuntu 18.04 • Ubuntu 20.04|
|Network Utilities||dig • host • ip • nmap|
|OpenVPN||CentOS 7 • CentOS 8 • Debian 10 • Debian 8/9 • Ubuntu 18.04 • Ubuntu 20.04|
|Package Manager||apk • apt|
|Processes Management||bg • chroot • cron • disown • fg • jobs • killall • kill • pidof • pstree • pwdx • time|
|Searching||grep • whereis • which|
|User Information||groups • id • lastcomm • last • lid/libuser-lid • logname • members • users • whoami • who • w|
|WireGuard VPN||CentOS 8 • Debian 10 • Firewall • Ubuntu 20.04|