Categories

• Generic.

  Generic software used with platforms

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  There's the console in the bottom right corner of the browser window you will see the version. Check in the config.xml file. $ cd /var/lib/jenkins $ grep -i version config.xml <?xml version='1.1' encoding='UTF-8'?> <version>2.138.1</version> There's also the jenkins cli. Note: For demo purposes there's no authorization setup. $ java -jar jenkins-cli.jar -s http://localhost:8080/ version 2.138.1
• Cloud Platforms

  Cloud Platforms

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  AWS SAM web page: https://docs.aws.amazon.com/lambda/latest/dg/serverless_app.html AWS SAM installation page: https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-sam-cli-install.html Link to npm package (aws-sam-local) also provides installation instructions: https://www.npmjs.com/package/aws-sam-local Set npm config: Set to true to suppress the UID/GID switching when running package scripts. If set explicitly to false, then installing as a non-root user will fail. $ npm config set unsafe-perm=true Install aws-sam-local package. $ sudo npm install -g aws-sam-local > aws-sam-local@0.2.11 postinstall /usr/local/lib/node_modules/aws-sam-local > go-npm install Downloading from URL: https://github.com/awslabs/aws-sam-local/releases/download/v0.2.11/sam_0.2.11_linux_amd64.tar.gz + aws-sam-local@0.2.11 added 67 packages from 61 contributors in 4.809s Verify version. $ sam --version A newer version of the AWS SAM CLI is available! Your version: 0.2.11 Latest version: 0.6.1 See https://github.com/awslabs/aws-sam-local for upgrade instructions sam version 0.2.11 Start the AWS SAM api. For demo template. $ sam local start-api A newer version of the AWS SAM CLI is available! Your version: 0.2.11 Latest version: 0.6.1 See https://github.com/awslabs/aws-sam-local for upgrade instructions 2018/10/27 08:16:07 Connected to Docker 1.37 2018/10/27 08:16:07 Runtime image missing, will pull.... 2018/10/27 08:16:07 Fetching lambci/lambda:nodejs8.10 image for nodejs8.10 runtime... nodejs8.10: Pulling from lambci/lambda 5be106c3813f: Pull complete e240967675e1: Pull complete 0fa7a4a5b472: Pull complete 11814d7919f1: Pull complete Digest: sha256:73639d4f85d8b173cb045e4acd9f3b049ed42830d538caceee8eb4f811a2cb59 Status: Downloaded newer image for lambci/lambda:nodejs8.10 Mounting index.handler (nodejs8.10) at http://127.0.0.1:3000/hello [POST] You can now browse to the above endpoints to invoke your functions. You do not need to restart/reload SAM CLI while working on your functions, changes will be reflected instantly/automatically. You only need to restart SAM CLI if you update your AWS SAM template.
• Linux.

  Redhat, Ubuntu, Centos, SUSE & all Linux Operating Systems

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  The command is associated with files that are compressed using the zip command. Man page for: zip Man page for: unzip Man page for: zipinfo The command has three options which do basically the same -s short, -m medium, and -l long formats The information is on compression, compression type, datestamps, and permissions, the entire archive can be listed or individual files in the archive. The entire archive listing with pager. The -M option is the pager option. $ zipinfo -M chef-starter.zip Archive: chef-starter.zip Zip file size: 7825 bytes, number of entries: 21 drwxr-xr-x 5.2 unx 0 t- defN 18-Mar-21 19:20 chef-repo/cookbooks/ -rw-r--r-- 5.2 unx 588 t- defN 18-Mar-21 19:20 chef-repo/cookbooks/chefignore ... ... ... 21 files, 7976 bytes uncompressed, 4805 bytes compressed: 39.8% You will notice in the above output that there is no individual file compression percentages. This is where -m and -l provide this, but with a slight difference. The -m provides the compression in percentage and -l provides it as a numerical value. The -m output. $ zipinfo -Mm chef-starter.zip Archive: chef-starter.zip Zip file size: 7825 bytes, number of entries: 21 drwxr-xr-x 5.2 unx 0 t- 0% defN 18-Mar-21 19:20 chef-repo/cookbooks/ -rw-r--r-- 5.2 unx 588 t- 35% defN 18-Mar-21 19:20 chef-repo/cookbooks/chefignore ... ... ... The -l output. $ zipinfo -Ml chef-starter.zip Archive: chef-starter.zip Zip file size: 7825 bytes, number of entries: 21 drwxr-xr-x 5.2 unx 0 t- 2 defN 18-Mar-21 19:20 chef-repo/cookbooks/ -rw-r--r-- 5.2 unx 588 t- 382 defN 18-Mar-21 19:20 chef-repo/cookbooks/chefignore ... ... ... List just one file in the archive. Just specify the file as listed when using the entire listing. $ zipinfo -Mm chef-starter.zip chef-repo/.gitignore -rw-r--r-- 5.2 unx 495 t- 33% defN 18-Mar-21 19:20 chef-repo/.gitignore The output listing the following: Output from listing Description -rw-r-r- unix permissions 5.2 version of zip that was used. unx unix format 495 before compression size t text file - any non standard information in the archive (see man page) 33% the percentage the file was compressed defN the type of compression followed by date, time, and file name.
• Unix

  Solaris, HP-UX & AIX

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  Link: https://h20392.www2.hpe.com/portal/swdepot/displayProductInfo.do?productNumber=HPUXIEXP1131 There is HPE product called HP-UX Internet Express for HP-UX 11i v3, which has a number of open source tools, one of which is sudo. The information on whether you need a license for downloading the software depot is not forthcoming and not easy to find on their website. The product appears to free, but as it is open source not support is provided.
• Virtualization - Containers - Hardware Partitioning.

  Virtual Platforms & Containers

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  CoreOS section moved to: Virtualization - Containers - Hardware Partitioning Intended to be integrated with Redhat OpenShift.
• Learn

  Learn New Things

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  Note: This is for newer versions of linux. Linux meaning popular Linux Operating Systems. What is the difference between --list-unit-files and --list-units? list-unit-files [PATTERN...] List unit files installed on the system, in combination with their enablement state (as reported by is-enabled). If one or more PATTERNs are specified, only unit files whose name matches one of them are shown (patterns matching unit file system paths are not supported). list-units [PATTERN...] List units that systemd currently has in memory. This includes units that are either referenced directly or through a dependency, units that are pinned by applications programmatically, or units that were active in the past and have failed. By default only units which are active, have pending jobs, or have failed are shown; this can be changed with option --all. If one or more PATTERNs are specified, only units matching one of them are shown. The units that are shown are additionally filtered by --type= and --state= if those options are specified. $ systemctl list-unit-files --type=socket UNIT FILE STATE acpid.socket enabled apport-forward.socket enabled avahi-daemon.socket enabled cups.socket enabled dbus.socket static docker.socket enabled saned.socket disabled snapd.socket enabled ssh.socket disabled syslog.socket static systemd-fsckd.socket static systemd-initctl.socket static systemd-journald-audit.socket static systemd-journald-dev-log.socket static systemd-journald.socket static systemd-networkd.socket disabled systemd-rfkill.socket static systemd-udevd-control.socket static systemd-udevd-kernel.socket static uuidd.socket enabled 20 unit files listed. $ systemctl list-units --type=socket UNIT LOAD ACTIVE SUB DESCRIPTION acpid.socket loaded active running ACPID Listen Socket avahi-daemon.socket loaded active running Avahi mDNS/DNS-SD Stack Activation Socket cups.socket loaded active running CUPS Scheduler dbus.socket loaded active running D-Bus System Message Bus Socket docker.socket loaded active running Docker Socket for the API snapd.socket loaded active running Socket activation for snappy daemon syslog.socket loaded active running Syslog Socket systemd-fsckd.socket loaded active listening fsck to fsckd communication Socket systemd-initctl.socket loaded active listening /dev/initctl Compatibility Named Pipe systemd-journald-audit.socket loaded active running Journal Audit Socket systemd-journald-dev-log.socket loaded active running Journal Socket (/dev/log) systemd-journald.socket loaded active running Journal Socket systemd-rfkill.socket loaded active listening Load/Save RF Kill Switch Status /dev/rfki systemd-udevd-control.socket loaded active running udev Control Socket systemd-udevd-kernel.socket loaded active running udev Kernel Socket uuidd.socket loaded active listening UUID daemon activation socket LOAD = Reflects whether the unit definition was properly loaded. ACTIVE = The high-level unit activation state, i.e. generalization of SUB. SUB = The low-level unit activation state, values depend on unit type. 16 loaded units listed. Pass --all to see loaded but inactive units, too. As we are on the topic of sockets. The --list-sockets option: list-sockets [PATTERN...] List socket units currently in memory, ordered by listening address. If one or more PATTERNs are specified, only socket units matching one of them are shown. Here you can see the listening address and what service uses it. $ systemctl list-sockets -all LISTEN UNIT ACTIVATES /dev/rfkill systemd-rfkill.socket systemd-rfkill.service /run/acpid.socket acpid.socket acpid.service /run/apport.socket apport-forward.socket /run/avahi-daemon/socket avahi-daemon.socket avahi-daemon.service /run/cups/cups.sock cups.socket cups.service /run/snapd-snap.socket snapd.socket snapd.service /run/snapd.socket snapd.socket snapd.service /run/systemd/fsck.progress systemd-fsckd.socket systemd-fsckd.service /run/systemd/initctl/fifo systemd-initctl.socket systemd-initctl.service /run/systemd/journal/dev-log systemd-journald-dev-log.socket systemd-journald.service /run/systemd/journal/socket systemd-journald.socket systemd-journald.service /run/systemd/journal/stdout systemd-journald.socket systemd-journald.service /run/systemd/journal/syslog syslog.socket rsyslog.service /run/udev/control systemd-udevd-control.socket systemd-udevd.service /run/uuidd/request uuidd.socket uuidd.service /var/run/dbus/system_bus_socket dbus.socket dbus.service /var/run/docker.sock docker.socket docker.service audit 1 systemd-journald-audit.socket systemd-journald.service kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service 19 sockets listed.
• News

  News from various vendors

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  The OpenSSL Management Committee has been looking at the versioning scheme that is currently in use. Over the years we’ve received plenty of feedback about the “uniqueness” of this scheme, and it does cause some confusion for some users. We would like to adopt a more typical version numbering approach.

  The current versioning scheme has this format:

  MAJOR.MINOR.FIX[PATCH]

  The new scheme will have this format:

  MAJOR.MINOR.PATCH

  In practical terms our “letter” patch releases become patch numbers and “fix” is dropped from the concept. In future, API/ABI compatibility will only be guaranteed for the same MAJOR version number. Previously we guaranteed API/ABI compatibility across the same MAJOR.MINOR combination. This more closely aligns with the expectations of users who are familiar with semantic versioning. We are not at this stage directly adopting semantic versioning because it would mean changing our current LTS policies and practices.

  The current 1.1.1 and 1.0.2 versioning scheme will remain unchanged.

  The current development version (master branch) will be identified as version 3.0.0. The OpenSSL FIPS module currently under development will also follow this versioning scheme. We are skipping the 2.0.0 major version because the previous OpenSSL FIPS module has already used this number.

  OpenSSL version 3.0.0 will be the first version that we release under the Apache License 2.0. We will not be applying the Apache License to earlier releases of OpenSSL.

  
  
  https://www.openssl.org/blog/blog/2018/11/28/version/
• Notebook
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  Link: https://en.wikipedia.org/wiki/Unix_time A lot of us do not know what epoch means? In this context the definition is: A point of time distinguished by a particular event or state of affairs; a memorable date. It is the number of seconds passed since beginning of 00:00:00 UTC Thursday 1, January 1970 minus the number of leap seconds. This applies to all Unix-like systems.
• Hall Of Fame

  Famous People In Information Technology

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  Links: https://en.wikipedia.org/wiki/Jon_Postel Obituary post on RFC's by Vint Cerf: https://www.rfc-editor.org/rfc/pdfrfc/rfc2468.txt.pdf Jon Postel (1943 - 1998), For 3 decades RFC Editor, Involvement protocols which made The Internet possible, protocols like SMTP & TCP/IP are very much a part of The Modern Internet. He also the founder of the Internet Assigned Numbers Authority (IANA). Then later, a key figure in the Internet Corporation for Assigned Names and Numbers (ICANN) "An Internet Pioneer!" Jonathan Bruce Postel. a.k.a "God Of The Internet" by the media. "The Internet should not be managed by any government, national or multinational." "Group discussion is very valuable; group drafting is less productive."
• Comments & Feedback

  Got a question? Ask away!
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  Hello. This area is for comments and feedback about the services & website only.