Change owner/group chown [options] [owner][:[group]] file Examples chown root file.txt // For file.txt set owner to root chown -R root:admin
Continue readingCategory: Computer
Authentication – Session-based vs. Token-based
Session-based The client logs into the server and gets a session id. The server caches all sessions to be able
Continue readingResolve conflicts for binary files (Git)
There are common scenarios where you possibly have to resolve conflicts. They are cherry-pick, merge, rebase and revert. If those
Continue readingSandboxing (Linux)
There are multiple possibilities with Linux to sandbox applications. chroot … Changed file system root namespaces … Separated namespaces (e.g.
Continue readingLambda captures (C++)
auto func = [/*capures*/](/*arguments*/){/*body*/}; Captures: <var> … Local variable by value &<var> … Local variable by reference = … All
Continue readingVisualize branches (Git)
Git command All branches $ git log –all –decorate –oneline –graph Specific branch $ git log {branch-name} –decorate –oneline –graph
Continue readingLoad balancing (based on NAPT)
A common way to realise a Load balancing is happening based on NAPT (Network Address Port Translation). Client 1 Client
Continue readingNAPT (Network Address Port Translation)
What’s that? It translates private IPs and Ports to a public IP and port. What’s the reason? There are not
Continue readingWhat a wireless router really is
The name lets suggest the following functionality: – Access point: provides a connection for wireless devices to the LAN –
Continue readingMobile network infrastructure (Cellular)
The exact infrastructure differentiates between the generations. Let’s begin with a general overview. Mobile Device Access Network Core Network PSTN/Internet
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