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Darius Juodokas profile picture

Darius Juodokas

Performance Engineer | Java developer | Linux/Unix administrator | (dev|net|sys|NO)Ops

Location Vilnius, Lithuania Joined Joined on  github website

Work

Performance Engineer

JVM. Garbage Collector
netikras profile

JVM. Garbage Collector

#java #jvm #gc #memory
Reactions 6 Comments
18 min read

Recent comments

Kubernetes on VPN (WireGuard)

Hi! I didn't have to re-setup my cluster as it's still workin...

Writing Bash Scripts Like A Pro - Part 1 - Styling Guide

If you have a different opinion, please, do share :) I'd like...

Writing Bash Scripts Like A Pro - Part 1 - Styling Guide

About the ${} and lonely variables... I disagree with this ex...

One-liner to sum up numbers from a CSV file

Or a shorter (less verbose) version: awk -F, 'FNR>1{tot...

One-liner to sum up numbers from a CSV file

Single command oneliner :) awk -F, '{if(NR==1)next;total+=...

React vs Angular: A First Look

If I'm not mistaken, the 1st version of Angular is called Ang...

Web socket and HTTP(s); Intro to simple differences

HTTP, HyperText Transfer Protocol is a Half-duplex system ...

Iptables - a beast worth training: a firewall, a (NAT) router, a port-forwarder, an LB, anti-DoS, a logger,... for free!

Thanks! Yupp, as soon as I get my hands on nftables. No ETA ...

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Performance Engineering. Intro
netikras profile

Performance Engineering. Intro

#performance #perfeng
Reactions 1 Comments
19 min read
Should I use a library for that?
netikras profile

Should I use a library for that?

#dependencies #design #hell #security
Reactions 6 Comments
18 min read
JVM. Memory management
netikras profile

JVM. Memory management

#jvm #java #middleware #memory
Reactions 16 Comments 1
12 min read
JVM. Intro
netikras profile

JVM. Intro

#java #jvm #middleware
Reactions 1 Comments
3 min read
"Avoid Round-Robin in PROD" or "The tale of the bad raspberry"
netikras profile

"Avoid Round-Robin in PROD" or "The tale of the bad raspberry"

#loadbalancing #performance #roundrobin #truestory
Reactions 7 Comments
11 min read
Performance and security testing. Why bother?
netikras profile

Performance and security testing. Why bother?

#performance #security #business #clients
Reactions 2 Comments
12 min read
Computer networks. Routing
netikras profile

Computer networks. Routing

#networks #basics #routing
Reactions 7 Comments
17 min read
Computer networks - the basics: OSI and devices
netikras profile

Computer networks - the basics: OSI and devices

#networks #basics #osi
Reactions 5 Comments
14 min read
Iptables - a beast worth training: a firewall, a (NAT) router, a port-forwarder, an LB, anti-DoS, a logger,... for free!
netikras profile

Iptables - a beast worth training: a firewall, a (NAT) router, a port-forwarder, an LB, anti-DoS, a logger,... for free!

#iptables #netfilter #linux #networks
Reactions 10 Comments 2
15 min read
Iptables - a beast worth training: netfilter, tables, and chains
netikras profile

Iptables - a beast worth training: netfilter, tables, and chains

#netfilter #iptables #linux #networks
Reactions 8 Comments
8 min read
SSH - a tool for IT engineers
netikras profile

SSH - a tool for IT engineers

#ssh #linux #networks
Reactions 9 Comments
12 min read
Kubernetes - quickly set up your own cluster
netikras profile

Kubernetes - quickly set up your own cluster

#kubernetes #k8s #howto #cheatsheet
Reactions 13 Comments
6 min read
Kubernetes on VPN (WireGuard)
netikras profile

Kubernetes on VPN (WireGuard)

#kubernetes #k8s #wireguard #vpn
Reactions 15 Comments 2
9 min read
16 Killed java $JVM_OPTS -jar app.jar
netikras profile

16 Killed java $JVM_OPTS -jar app.jar

#java #jvm #linux #oomkiller
Reactions 5 Comments
11 min read
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