It amazes em that in just a few more weeks it will be time for Cisco Live 2017 to begin …
The post CCIE/CCDE Party and CCIE/CCDE NetVet Reception appeared first on Fryguy's Blog.
Learn how utilities like traceroute, SNMP, and NetFlow help track down sources of network performance problems.
The Large Scale Network Design video Alvaro and I recorded for Pearson is on sale as part of the Cisco Live preshow sale. This is a great video series. It might even keep you entertained until the new book is published (hopefully early next year).
The post Large Scale Network Design Video on Sale appeared first on rule 11 reader.
Networking expert Tom Hollingsworth reflects on Cisco's acquisition of Viptela, what it means for the market, and whether it changes how enterprises evaluate SD-WAN options.
Almost half of US firms that use an IoT network have been hit by a security breach.
If you'd come to me as a networking engineer and say “there's one new thing I want to learn that's outside of my $dayjob” I'd probably say “invest some serious time into learning Git (beyond memorizing the quick recipes) if you haven’t done that already”
Full disclosure: not so long ago I tried to avoid Git as much as possible… and then it suddenly clicked ;)
Read more ...Something different today: Here’s something I learnt about RPM package management, and post-upgrade scripts. It turns out that they don’t work the way I thought they did. Post-uninstall commands are called on both uninstall and upgrade. For my own reference as much as anyone’s here some info about it, and how to deal with it.
RPM is a Linux package management system. It is a way of distributing and managing applications installed on Linux systems. Packages get distributed as .rpm files. These contain the application binaries, configuration files, and application metadata such as dependencies. They can also contain scripts to run pre- and post- installations, upgrades and removal.
Using package management systems is a vast improvement over distributing source code, or requiring users to manually copy files around and run scripts themselves.
There is some effort required to get the spec files used to create packages. But once it has been set up, it is easy to create new versions of packages, and distribute them to users. System administrators can easily check which version they’re running, check what new versions are available, and upgrade.
We use RPMs to distribute StackStorm packages for RHEL/CentOS systems. Similarly, we distribute Continue reading
Something different today: Here’s something I learnt about RPM package management, and post-upgrade scripts. It turns out that they don’t work the way I thought they did. Post-uninstall commands are called on both uninstall and upgrade. For my own reference as much as anyone’s here some info about it, and how to deal with it.
RPM is a Linux package management system. It is a way of distributing and managing applications installed on Linux systems. Packages get distributed as .rpm files. These contain the application binaries, configuration files, and application metadata such as dependencies. They can also contain scripts to run pre- and post- installations, upgrades and removal.
Using package management systems is a vast improvement over distributing source code, or requiring users to manually copy files around and run scripts themselves.
There is some effort required to get the spec files used to create packages. But once it has been set up, it is easy to create new versions of packages, and distribute them to users. System administrators can easily check which version they’re running, check what new versions are available, and upgrade.
We use RPMs to distribute StackStorm packages for RHEL/CentOS systems. Similarly, we distribute Continue reading
Given that within the coming years, another billion people are going come online along with billions more devices thanks to the Internet of things (IoT), we recognize that the community of Internet professionals and organizations cannot legitimately discuss access without addressing sustainability, especially as it relates to energy.
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