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Thursday, November 21, 2019

Novell OES 11.1 shell commands hang without reason

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Novell OES 11 linux shell commands hang for a very long time. It happened to me and I was able to fix it without restarting the whole server...
Thursday, March 28, 2019

Poweshell OpenFIleDialog works in ISE but hangs when started from command line

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This code works in Powershell ISE but when started from command line and OpenFileDialog is called it hangs $OpenFileDialog = New-Object S...
Friday, February 1, 2019

Fast import of billion lines to postgresql

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This is the fastest way I've found about importing huge (3+ billion lines) text files in csv-like format in PostgreSQL. It requires p...
1 comment:
Friday, January 4, 2019

xorg.conf ModeLine for VGA connected ViewSonic monitors

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Even with latest Linux distributions you can face the problem of Xorg not detecting your monitor. My monitor is ViewSonic VG2030wm and it ...
Tuesday, December 4, 2018

Android 4.2.2 how to set default install path to external SD card

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You don't need root access to do this. All you need is to enable Developer Options and then enable USB debugging. Once this is done conn...
2 comments:
Monday, March 19, 2018

Jboss / Wildfly errors when accepting socket java.io.IOException: Bad file descriptor problem

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Jboss/Wildfly random crashes under heavy load: Symptoms: Jboss/Wildfly crashes randomly with  java.io.IOException: Bad file descriptor. ...
Tuesday, February 13, 2018

How to filter 99.99% of ssh brute force attacks

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Recently I've decided to experiment with ssh ciphers / key exchange algorithms to raise the security of my servers. This is the /etc/ssh...