/usr/share/rhn/ULN-CA-CERT ORACLE LINUX ENTERPRISE 6

If you have problem with ULN-CA-CERT „The certificate /usr/share/rhn/ULN-CA-CERT is expired. Please ensure you have the correct certificate and your system time is correct.”   You need download few package  from oracle .  mkdir rpmtmp cd rpmtmp wget –no-check-certificate https://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/getPackage/rhn-client-tools-1.0.0.1-38.0.6.el6.noarch.rpm wget –no-check-certificate https://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/getPackage/rhn-setup-1.0.0.1-38.0.6.el6.noarch.rpm wget –no-check-certificate https://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/getPackage/rhn-setup-gnome-1.0.0.1-38.0.6.el6.noarch.rpm wget –no-check-certificate https://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/getPackage/rhn-check-1.0.0.1-38.0.6.el6.noarch.rpm rpm -Uvh rhn*.rpm     Advertisements

/dev/tcp forgotten linux delicacy

Most of use nmap , ping ,ping ,wget curl , nc …. when need use or diagnose network from linux command line. I want show you how  to use bash for fast diagnostic , scanning ,send or download files, open websites , check services and create simple backdoor. Lets Begin /dev/{tcp,udp}/ it’s pseudo device file…

Speed test WAN(RX) with nice char

I created a lite more beauty version speed test tool for analysing RX speed of you network. It’s simple idea  curl get website and measue  speed   . Collecting data in file bps.sh   Second script  gnuplot  create nice char after  collect data or in this same time tou can run script in this same directory. gnuplot  speedplot.sh…

Raising Elephants Is So Utterly Boring

You Linux stooped. Ctrl+Alt+Backspace does nothing, And f-keys dont respond . You installed wrong driver or overflow memory don wory Remember quote Raising Elephants Is So Utterly Boring”, “Reboot Even If System Utterly Broken This is very old magic spell  give you control when another lost hope REISUB   What is SysRq It is a ‘magical’ key…

PASSWD PASSWOR AS A PARAMETER

Few simple example how to no interactive add account and change password. Change password add user and set password Somtimes stdin didnt work so we can use example nr 1 or chpasswd that: or that : If you want to update your own password as a normal user you may use ps. sometimes working <<<

PPS = PACKET PER SECOND HOW TO CHECK IN LINUX SERVER

Sometimes you need know how many pps send or recive server in duration time . This is simple script using multithreaded for read information and save information from all network interfaces ( every interface have individual thread) . On any linux system sholuld working. Script read stats from /sys/class/net//statistics/tx_packets What doing script. 1. Check numbers…

How to: qcow2 files mount in yours linux system , with lvm

Sometime we need mount image of virtual machine for change something in system . Command mount and losetup not working in qcow2 files. We must have necessary a NBD protocol is a device node whose content is provided by a remote machine.   First you need the module NBD loaded: Then you cant use NBD…

Linux cheats wallpaper generator [PYTHON]

This is a “CAWG” Cheats administrators wallpaper generator. Cawg  is simple script in python for generate cheats Wallpaper witch command and tips . CAWG read data form txt file . Name file with cheats : dane.txt Before title insert # New line in file is analogy in wallaper S Note: You must change patch to the…