Sayfalar

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Thursday, April 30, 2015

Linux sunucuda ekstra swap (takas) alani olusturma

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Platform: # cat /etc/issue Oracle Linux Server release 6.5 Kernel \r on an \m # uname -a Linux server 2.6.32-504.1.3.el6.x86_64 #1 SMP ...
Wednesday, April 29, 2015

Oracle: OSWatcher Black Box

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Oracle OSWatcher Black Box (OSWbb) collects and archives operating system and network metrics that you can use to diagnose performance issue...
Friday, April 24, 2015

The "make" Command and "Makefiles"

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A makefile consists of a set of  dependencies  and  rules . A dependency has a target (a file to be created) and a set of source files upon ...
Wednesday, April 15, 2015

Set file format of the output capture file (.pcap)

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editcap - Edit and/or translate the format of capture files Editcap is a program that reads some or all of the captured packets from the in...
Tuesday, April 14, 2015

Split pcap smaller parts

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tcpdump -r old_file -w new_files -C 10
Friday, April 10, 2015

Linux: IPv6 deaktif hale getirme

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sysctl -w net.ipv6.conf.all.disable_ipv6=1 sysctl -w net.ipv6.conf.default.disable_ipv6=1 sysctl -w net.ipv6.conf.lo.disable_ipv6=1
Tuesday, March 31, 2015

Blackhat 2015 - Asia

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Black hat 2015 - Asia içerikleri yayınlandı. https://www.blackhat.com/asia-15/briefings.html
Wednesday, March 18, 2015

redhat sistemlerde kurulu rpm'leri kurulum zaman bilgileri beraber listeleme

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rpm -qa  --queryformat '%{installtime} (%{installtime:date}) %{name}\n'
Tuesday, March 17, 2015

python ile çevre değişkenlerini okuma

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import os print os.environ['PATH'] print os.environ['SHELL']
Sunday, March 8, 2015

GitHut - A visualization of Programming Languages in Github

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Discover languages in github http://githut.info/
Friday, March 6, 2015

bash call for disk usage tests

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Aşağıdaki komut çağrısı 70 adet 1G büyüklüğünde dosya yaratacaktır. Disk doluluk test ortamı yaratmak için kullanılabilir. linux-shell $ ...
Tuesday, February 24, 2015

How to extract the contents of an RPM File

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# rpm2cpio kmod-staging-3.8.11-200.fc18.x86_64-3.8.1-3.fc18.7.x86_64.rpm | cpio -idmv
Friday, February 13, 2015

Bash Introduction

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Friday, February 6, 2015

bind9: socket: file descriptor exceeds limit (4096/4096) hatası

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/var/log/messages 'a yansıyan hata mesajı: Feb  6 09:05:11 bns2 named[9720]: socket: file descriptor exceeds limit (4096/4096) Çözüm...

Mercan Dede, Ab-ı hayat

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sshd: sadece belirli kullanıcılara ssh bağlantı izni verilmesi

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Platform:   RHEL  6.5  x86_64 /etc/ssh/sshd_config: AllowUsers root user1 user2
Thursday, February 5, 2015

Mercan Dede, Halitus

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FreeBSD memory counters

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Örnek çıktı: # top -d 1 -o res -a last pid:  3627;  load averages:  1.14,  1.23,  1.23                                                  ...
Monday, February 2, 2015

python3: concurrent.futures — Launching parallel tasks

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https://docs.python.org/3/library/concurrent.futures.html

FreeBSD 8.x bind kurulum notları

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This summary is not available. Please click here to view the post.

bind9.9.5 release notes

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https://kb.isc.org/article/AA-01111/0/BIND-9.9.5-Release-Notes.html

FreeBSD: bind9 named[59807]: the working directory is not writable

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To fix this error, edit the following file: /etc/mtree/BIND.chroot.dist and change: /set type=dir uname=root gname=wheel mode=0755 into: /se...
Saturday, January 31, 2015

CentOS 6.6 üzerinde httpd + oracle destekli php5 kurulum notları

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Platform: CentOS 6.6 x86_64 Amacımız oracle database ile konuşan php kodlarımıza uygun web sunucu yapılandırmasını gerçekleştirmek. Sist...
Friday, January 30, 2015

Yerel ntp sunucu bilgileri

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http://support.ntp.org/bin/view/Servers/WebHome http://www.pool.ntp.org/zone/tr time.ume.tubitak.gov.tr ntp.ulakbim.gov.tr time.deu.edu.tr ...
Thursday, January 29, 2015

linux shell: ssh / scp warning mesajlarını görmezden gelme

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Uyarı mesajları: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@...
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