10 Lesser Known Effective Linux Commands - Part IV. Continuing the Lesser Known series, this fourth article of the series will let you know some useful funny and animated commands. Here we go into the practical session, without much theory. In the fourth article of this series which includes few other lesser known Linux commands, worth knowing.
Might be you’re already aware of these commands, no doubt you’re an experienced Linux user and loves exploration. 32. strace Command The strace is a debugging tool which is used primarily for troubleshooting purpose in Linux. Trace a command execution using strace command: root@tecmint [~]# strace pwd Sample Output The strace command accepts a lot of arguments and have many options. 33. disown -a && exit Command Most of the system administrators use screen command to control jobs running in the terminal background. The disown command is used to run the jobs continuously in the background even after you closing the terminal session. Root@tecmint [~]# Command; disown -a && exit 34. getconf LONG_BIT Command.
Password Secrets of Popular Windows Applications. Which VPN Services Take Your Anonymity Seriously? 2014 Edition. —1. Do you keep ANY logs which would allow you to match an IP-address and a time stamp to a user of your service? If so, exactly what information do you hold and for how long? 2. Under what jurisdictions does your company operate and under what exact circumstances will you share the information you hold with a 3rd party?
3. What tools are used to monitor and mitigate abuse of your service? 4. 5. 6. 7. 8. BlackVPN 1. 2. Only once we receive a valid court order from a Hong Kong court will we share any information with a 3rd party. 3. This is why we’ve had to permanently block SMTP (for sending email) on all of our servers – we have no way of knowing which user is spamming so unfortunately we have to block it for everyone. We host our own website analytics software (Piwik) which is configured to only log the first two octets of an IP address (e.g. 63.122.0.0) plus our own support system (OSticket) which always logs 0.0.0.0 as the IP address. 4. 5. 6. 7. 8.
BlackVPN website Anonymizer 1. 2. 3. 4. 80+ Best Free Hacking Tutorials | Resources to Become Pro Hacker. Learning to become hacker is not as easy as learning to become a software developer. I realized this when I started looking for learning resources for simple hacking people do. Even to start doing the simplest hack on own, a hacker requires to have in depth knowledge of multiple topics.
Some people recommend minimum knowledge of few programming languages like C, Python, HTML with Unix operating system concepts and networking knowledge is required to start learning hacking techniques. Though knowing a lot of things is required, it is not really enough for you to be a competent and successful hacker. If you are thinking about ethical hacking as a career option, you may need to be prepared for a lot of hard/smart work. A lot of people (including me before doing research for this article) think that they can become a hacker using some free hacking tools available on web. Below are some really useful hacking tutorials and resources you may want to explore in your journey of learning to hack. Cool, but obscure unix tools :: Software architect Kristof Kovacs. A little collection of cool unix terminal/console/curses tools Just a list of 20 (now 28) tools for the command line.
Some are little-known, some are just too useful to miss, some are pure obscure -- I hope you find something useful that you weren't aware of yet! Use your operating system's package manager to install most of them. (Thanks for the tips, everybody!) Dstat & sar # iostat, vmstat, ifstat and much more in one. slurm # Visualizes network interface traffic over time. vim & emacs # The real programmers editors. screen, dtach, tmux, byobu # Keep your terminal sessions alive. multitail # See your log files in separate windows. tpp # Presentation (PowerPoint") tool for terminal. xargs & parallel # Executes tasks from input (even multithread). duplicity & rsyncrypto # Encrypting backup tools. nethack & slash'em # Still the most complex game on the planet. lftp # Does FTPS. Ack, ag (silver searcher), pt # A better grep for source code. calcurse & remind + wyrd # Calendar systems.
Command line RSS readers. Five free network monitoring tools. Among the wide array of network and system monitors, you'll find several that do what the pricier tools do -- for free. If you're a system or network administrator, you need monitoring tools. You have to know, at all times, the status of your systems so you can optimize performance and head off potential problems.
Thankfully, plenty of tools are available to help you stay in the know about your systems. Some of these products are costly and do quite a lot. But others are free and do just as much -- and in some cases, more. I want to introduce you to five system and/or network monitors that do more than you'd think they could do. Note: This list is also available as a photo gallery. 1: Observium Observium (Figure A) is "an autodiscovering PHP/MySQL/SNMP-based network monitoring [tool].
" Figure A Observium 2: Ganglia Ganglia (Figure B) is a "scalable distributed monitoring system" focused on clusters and grids. Figure B Ganglia 3: Spiceworks Figure C Spiceworks 4: Nagios Figure D Nagios 5: Zabbix.
Tools. Linux. Office. Tricks. Interesting Search Engines. Network. Tips.