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April 11, 2019

How to stream encrypted data into amazon glacier deep archive

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This will be very short tutorial. Imagine you want to archive your old raw files (.nef) from directory 2013 into amazon glacier deep archive...
May 5, 2017

U2F + sudo + Fedora 25

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This article is for owners of U2F security keys ( Universal 2nd Factor ), which would like to harden their sudo command. We will setup Fedor...
November 14, 2016

Serial console in RHEL 7

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This was tested on RHEL7.3 If you DONT WANT to make serial console as default console: Enable getty on your serial port # systemctl ...
April 25, 2016

Fedora 23 (KDE): Using GPG + YubiKey4 + PCSCD

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For those who have problems with integration of gpg and yubikey 4, this post is for you. Most problems come from idea, that gpg agent runs s...
January 27, 2015

RHEL 6: Using linux cgroups as universal start/stop script

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Have you ever had to deal with programs, which dont have correct start/stop scripts written and they are spawning many processes? Maybe th...
November 10, 2014

RHEL 7 + selinux + sendmail greylisting

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If you have combination RHEL 7 + selinux + sendmail greylisting (smf-grey), maybe this will help you resolve problems. First identify from...
September 5, 2012

Identify WWN of FC card interface in RHEL6

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If you have many FC cards in your server like in this example, how to identify what are WWNs of dual FC interface i n first ISP2532 card on ...
August 28, 2012

Online resize of multipath device in RHEL 6

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Task: On RHEL 6 64-bit, perform online resize of filesystem /journal   from 50GB to 100GB. That filesystem is part of multipath ...
1 comment:

Serial console in RHEL 6

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There are changes between RHEL5 and RHEL6 about how to setup serial console. In RHEL 6 you no longer specify it in /etc/inittab, but leave i...
1 comment:
July 30, 2012

How to create ultra small Linux machine on Amazon EC2

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If you are using amazon aws services, you know that by default Amazon will let you use virtual machine with 8GB root filesystem. But sometim...
June 22, 2011

Set outgoing IP address in Solaris 10

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root@sol3 # route get default    route to: default destination: default        mask: default     gateway: 192.168.168.2   interface: e1...
February 10, 2010

rTorrent patch - almost linear downloading

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Are you rTorrent user? Want to play .avi files as soon as possible, while downloading? Then maybe this patch will you find handy. Info: test...
2 comments:
November 23, 2009

IP multipathing with RHEL 5

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In this page you can find sample working configs, which do following: - setup two bond interfaces (bond0, bond1) with 802.3ad support - s...

IO multipathing with RHEL 5

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In this post, we describe working IO multipathing configuration. Used technologies: RedHat Linux 5.4 64bit, 2x SunFire x4150, Sun StorageTek...
28 comments:
November 22, 2009

Turn on word wrapping in "pre" tag

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On Blogger, you need to edit template to turn on wrapping of tag "pre", otherwise long lines are not showing correctly. So paste t...