July 1st, 2010
It is only for ……..
When SQUID was used for internet sharing in All MS enviornment respone was :- It is only in the server side , and It is not doing much other than internet sharing.
When using CVS . Explanation was was:- It is only in the version control
When using Linux OS for ORACLE erp . Explanation Oracle works well with Linux
When SAMBA was used for PDC. Explanation was was:- It is only in the server side
When Nagious /ZABBIX was used. Explanation was was:- It is only for monitoring
When SNORT was used. Explanation was :- It is only for IDS
When OpenVPN was used. Explanation was :- It is only for VPN
When ISPConfig was used. Explanation was :- It is only for Web Site management
when Joomla was used. Explanation was :- It is only for Web Site hosting
When Asterisk was used . Explanation was :- It is only for Phone system
When DOTproject was used. Explanation was :- It is only for Project Management
When UltraMonkey was used. Explanation was :- It is only for Load Balancing
When heartbeat was used. Explanation was :- It is only for High Avaliablity
When Amanda/BackuPC was used. Explanation was :- It is only for BackupWhen
When Nuxeo was introduced[Not used live so far] :- It is only for DM
Posted in linux | No Comments »
June 27th, 2010
Configuring HP5200 was too simple . I had done only this much . I connected the printer to the server (feodra 12 ) , and switched on the server
The printer was automatically detected and configured to the system.
From the client side (Fedora 12) I did had problem in connecting to the printer. This was because of name resolution problem + cups
settings
I had to do few steps
# In the server (ie where the printer was connected ) I had to give the necessary sharing option for the CUPS (http://server.mydomain.com:631/
# In the Linux client PC , I had to edit the /etc/hosts file and made entry for the server
Tags: CUPS, HP, Printer
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June 22nd, 2010
In ubuntu u can use
“update-rc.d -f service remove ” to disable the services when the machine boots up
Tags: ubuntu
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June 15th, 2010
To generate a RSA key
openssl genrsa -out privkey.pem 2048
To generate a DSA key
openssl dsaparam -out dsaparam.pem 2048
Creating a certificate request
openssl req -new -key privkey.pem -out cert.csr
Creating a self-signed test certificate
openssl req -new -x509 -key privkey.pem -out cacert.pem -days 1095
Tags: security, ssl
Posted in security | No Comments »
June 12th, 2010
commands to try
ps -aux , lsof, readelf,netstat
Look for recently modified files with find / -mtime -7 –print
Look for unusual SUID root files find / -uid 0 –perm -4000 –print
Look for files that do not belong to any existing user of the server with
find / -nouser -print
Tools to try
ebox,Tripwire,Nessus,Openvas,rkhunter,chkrootkit
Tags: firewall, secuirty
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June 9th, 2010
*#06#IMEI number (International Mobile Equipment Identity).
*#0000#Firmware version.
*#92702689#Life timer (W A R 0 A N T Y), The time your phone has spent in sending and receiving calls.
*#62209526#Wireless MAC Address.
*#2820#Bluetooth MAC address.
*#7370#Format phone.
*#7780#Factory Reset
*#7780#
*#7370#
Tags: nokia
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June 9th, 2010
find . -iname “*.PNG” -mtime -4 -print
-iname option is to search ignoring the case
Tags: shell-script, Sysadmin
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June 9th, 2010
Just tried out ZM for Panasonic MV-NP244 , steps are
Installed zoneminder using synaptic
Had to configure Apache =>
- sudo ln -s /etc/zm/apache.conf /etc/apache2/conf.d/zoneminder.conf
- sudo /etc/init.d/apache2 force-reload
Now since ZM minder is run by Apache we need to give access for www-data to video group
- sudo adduser www-data video
Now we will be able to check the ZM from the link , http://IP/zm
When you are selection the network camera , please do check “presets” in “source” and select the camera type . I did not do this and broke my head
Tags: CCTV, ZoneMinder
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May 2nd, 2010
The prerequisites are gcc , header and build files ,
Do ” yum -y install gcc kernel-devel kernel-header ”
Some times after doing the above steps , still I say says build and header missing
then do yum -y install kernel-devel-theversion
Tags: VirtualBox
Posted in linux | No Comments »
April 20th, 2010
Asterisk
FreeSwitch
Bayonne http://www.gnutelephony.org/index.php/GNU_Bayonne
Yate http://yate.null.ro
Tags: Asterisk, IP-PBX
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