Jan D.

Jan D.

"The only real security that a man will have in this world is a reserve of knowledge, experience, and ability."

7 Linux sudo Command Tips and Tricks

Using sudo command, an user can execute root only commands. In this article, let us review how to setup sudo environment along with some sudo command examples, tips, and tricks. 1. Set up sudo Environment in /etc/sudoers You can provide…

Verify Veritas cluster and freeze group

hastatus -sum hagrp -freeze <grpname> hagrp unfreeze <grpname> check again hastatus -sum  # hastatus -sum — SYSTEM STATE — System               State                Frozen A  pg_i2k01a            RUNNING              0 A  pg_i2k01b            RUNNING              0 — GROUP STATE — Group           System               Probed     AutoDisabled    State B …

Czech medical services

After disasterous experience with local medical situation I’ve collected some options to consider for foreigners with international insurance. Just make sure you have right insurance to cover the costs… Medicover.cz Premium Care Unicare

Check Oracle version

Login as Oracle user $ sqlplus / as sysdba SQL> select * from v$version; The command output is similar to the following information: BANNER ——————————————————————————– Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 – 64bit Production PL/SQL Release 11.1.0.7.0 – Production…

DLNA devices for AllShare

Possible solution for Samsung not providing SW for Mac users – Serviio, Twonky or TVersity I have found DLNA Routers at Staples, that allow us Mac Users to access the features Samsung AllShare and other setups, They go for around…

Apache version

[root@stroj yum.repos.d]# httpd -v Server version: Apache (Unix) Server built: Sep 18 2007 11:26:13

Yum check-update

Configuration for Fedora 6 fedora-core.repo fedora-updates.repo fedora-extras.repo [root@stroj yum.repos.d]# yum check-update [root@stroj yum.repos.d]# yum update Loading „installonlyn“ plugin Setting up Update Process Setting up repositories Reading repository metadata in from local files Resolving Dependencies –> Populating transaction set with…

Enable VNC Authentication

Modify configuration from user  = nobody to i.e. root then add -rfbauth and restart xinetd # more vnc # default: off # description: This serves out a VNC connection which starts at a KDM login # prompt. This VNC…

Setting the secure flag in the cookies

Security team identified following flaw – Session Cookie without Secure flag set Original article on TechRepublic TechRepublic had an interesting article about the Surf Jack attack. Many people commented, some giving their own solution to the problem. However many of…