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  2. sudo - Wikipedia

    en.wikipedia.org/wiki/Sudo

    As a security and auditing feature, sudo may be configured to log each command run. When a user attempts to invoke sudo without being listed in the configuration file, an exception indication is presented to the user indicating that the attempt has been recorded. If configured, the root user will be alerted via mail. By default, an entry is ...

  3. SocketCAN - Wikipedia

    en.wikipedia.org/wiki/SocketCAN

    Python added support for SocketCAN in version 3.3. [2] An open source library python-can provides SocketCAN support for Python 2 and Python 3 [ 3 ] [ circular reference ] . Installing a CAN device requires loading the can_dev module and configuring the IP link to specify the CAN bus bitrate, for example:

  4. LIO (SCSI target) - Wikipedia

    en.wikipedia.org/wiki/LIO_(SCSI_target)

    targetcli is a user space single-node management command line interface (CLI) for LIO. [26] It supports all fabric modules and is based on a modular, extensible architecture, with plug-in modules for additional fabric modules or functionality. targetcli provides a CLI that uses an underlying generic target library through a well-defined API ...

  5. Shell (computing) - Wikipedia

    en.wikipedia.org/wiki/Shell_(computing)

    A graphical interface similar to one from the late 1980s, which features a graphical window for a man page, a shaped window (oclock) as well as several iconified windows. . In the lower right we can see a terminal emulator running a Unix shell, in which the user can type commands as if they were sitting at a termin

  6. yum (software) - Wikipedia

    en.wikipedia.org/wiki/Yum_(software)

    This was required due to Fedora's transition from Python 2 to Python 3, which is not supported by YUM. [10] DNF also improves on YUM in several ways - improved performance, better resolution of dependency conflicts, and easier integration with other software applications. [11] From RHEL 8, yum is an alias for DNF. [12]

  7. OpenSSL - Wikipedia

    en.wikipedia.org/wiki/OpenSSL

    OpenSSL is a software library for applications that provide secure communications over computer networks against eavesdropping, and identify the party at the other end. It is widely used by Internet servers, including the majority of HTTPS websites.

  8. pushd and popd - Wikipedia

    en.wikipedia.org/wiki/Pushd_and_popd

    If pushd is not provided with a path argument, in Unix it instead swaps the top two directories on the stack, which can be used to toggle between two directories. The popd command removes (or 'pops', in the stack analogy) the current path entry from the stack and returns to the path at the top of the stack as the new working directory.

  9. TCP window scale option - Wikipedia

    en.wikipedia.org/wiki/TCP_window_scale_option

    TCP window scale option is needed for efficient transfer of data when the bandwidth-delay product (BDP) is greater than 64 KB [1].For instance, if a T1 transmission line of 1.5 Mbit/s was used over a satellite link with a 513 millisecond round-trip time (RTT), the bandwidth-delay product is ,, =, bits or about 96,187 bytes.