Linux tools and howtos

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• «OpenSSL: Working with SSL Certificates, Private Keys and CSRs»

  OpenSSL is a versatile command line tool that can be used for a large variety of tasks related to Public Key Infrastructure (PKI) and HTTPS (HTTP over TLS). This cheat sheet style guide provides a quick reference to OpenSSL commands that are useful in common, everyday scenarios. This includes OpenSSL examples of generating private keys, certificate signing requests, and certificate format conversion. It does not cover all of the uses of OpenSSL.

• «video streaming with ffmpeg»

  Вам интересно что у нас происходит?

• «How to Monitor User Activity with psacct or acct Tools»

  psacct or acct both are open source application for monitoring users activities on the system. These applications runs in the background and keeps track of each users activity on your system as well as what resources are being consumed.

• «10 command-line tools that refuse to die»

  Despite the abundance of GUIs, the command line still offers more power, flexibility, and control for certain tasks.

• «MySQL: Resetting the Root Password: Generic Instructions»

• «How to compress video file?»

• «udisks2 + polkit: Allow unauthenticated mounting»

• «Useful SystemD commands (hints for systemctl or systemctl vs chkconfig and service)»

  Useful SystemD commands

• «How to Cut/Split Video using Avidemux»

  Avidemux is a graphical tool to edit videos. It can open AVI, openDML, MPEG, Nuppelvideo, and BMPs. Most common codecs are supported (M-JPEG, MPEG, DivX, Xvid, huffyuv, WMA, etc.) thanks to libavcodec and libmpeg2. Video can be edited, cut, appended, filtered (resize/crop/denoise), and re-encoded to either AVI (MPEG4/MJPEG) or MPEG 1/2. The Spidermonkey Javascript engine is used to give powerful scripting capabilities.

• «Bandwidth Monitoring Tools For Linux»

  Bandwidth in computer networking refers to the data rate supported by a network connection or interface. One most commonly expresses bandwidth in terms of bits per second (bps). The term comes from the field of electrical engineering, where bandwidth represents the total distance or range between the highest and lowest signals on the communication channel (band). Bandwidth represents the capacity of the connection. The greater the capacity, the more likely that greater performance will follow, though overall performance also depends on other factors, such as latency.