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März 28, 2018 stefan 0

Unusual linux commands can be very handy in several cases. Here are some of them. Repeat the last typed command: !!   Display file-content like cat, […]

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Linux Tutorial Part2

Januar 23, 2018 stefan 0

Read Linux Tutorial Part1, before you start here. Commands you have head about in Part1 are: whoami, hostname, uname, uptime, clear, pwd, cd, echo, ~ […]

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Linux Tutorial Part1

Januar 16, 2018 stefan 0

These tutorials explain the Linux operating system (os) step by step. Starting with simple examples and getting more advanced each lesson. The line where we […]

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Monitoring network traffic

August 8, 2017 stefan 0

tcpdump You want to track all incomming http-Headers on your Webserver? sudo tcpdump -A -s 10240 ‚tcp port 80‘ | egrep –line-buffered „^……..(GET |HTTP\/|POST |HEAD […]

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php packages installation

Mai 15, 2017 stefan 0

Let’s have a look which packages are already installed and show only those with „php“ in the name. A fresh system usually shouldn’t give any […]

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Formating in the linux console

April 25, 2017 stefan 0

Try this out: echo -e „\e[1mBld\e[0m \e[2mDim\e[0m \e[3mIta\e[0m \e[4mUdl\e[0m \e[5mBlk\e[0m \e[6mNrm\e[0m \e[7mIvt\e[0m \e[8mHid\e[0m \e[9mStk\e[0m“  

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aws cli commands

März 7, 2017 stefan 0

List all Instances aws ec2 describe-instances Stop an EC2 instance aws ec2 stop-instances –instance-ids i-xxx Start an EC2 instance aws ec2 start-instances –instance-ids i-xxx  

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PDF Frontpage to jpg

Februar 21, 2017 stefan 0

First find all the files you want to convert and store their filenames in a file find my-pdf-folder/ -type f -name „*.pdf“ > pdffiles.txt Iterate […]