MBR vs GPT

MBR is the standard partitioning scheme that’s been used on hard disks since the PC first came out. It supports 4 primary partitions per hard drive, and a maximum partition size of 2TB. GPT disks are new, and are readable only by Windows Server 2003 SP1, Windows Vista (all versions), and Windows XP x64 Edition. […]

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Removing Linux BASH SHELLSHOCKER MALWARE

unknow processes dsfref, gfhddsfew, dsfref etc are starting automatically in centos 6.5 Virus mainly present in /etc/init.d/. Virus will run automatic on the time system start, so remove entry from /etc/init.d. These are virus and its locations /etc/dsfref, /etc/gfhddsfew /etc/dsfref To Remove Virus from linux Note: I used chattr -i to change permissions and deleted […]

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Centos 7 SYSTEMCTL && Run level && hostname

Centos 7 SYSTEMCTL && Run level && hostname Centos 7 SYSTEMCTL && Run level && hostname systemctl start httpd.service (service httpd start) systemctl stop httpd.service ( service httpd stop) systemctl restart httpd.service ( service httpd stop) systemctl status httpd.service ( service httpd status) systemctl enable httpd.service (chkconfig httpd on) systemctl disable httpd.service (chkconfig httpd off) […]

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Centos 7 Samba

Centos 7 Samba FILEDOC /samba/docs LEARDOCS /samba/tech rpm -qi samba mkdir -p /samba/docs mkdir -p /samba/tech ulimit -n 16384 vi /etc/security/limits.conf * – nofile 16384 cd /etc/samba/ cp smb.conf smb.conf.origin [global] workgroup=FILESERVER netbios name=SERVER1 server string=Samba Server #security=share security=user map to guest = Bad User [SHAREDOCS] path=/samba/tech readonly=yes browseable=yes guest ok=yes [TECHDOCS] path =/samba/tech public […]

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Centos7 Apache HTTP SERVER

Centos7 Apache HTTP SERVER yum -y install httpd rpm -qi httpd systemctl enable httpd.service ln -s ‘/usr/lib/systemd/system/httpd.service’ ‘/etc/systemd/system/multi-user.target.wants/httpd.service’ chkconfig httpd on systemctl enable httpd mkdir /wwwroot/www echo “www.rmohan.com” > /wwwroot/www/index.html mkdir /wwwroot/crm echo “rmohan.com” > /wwwroot/crm/index.html cd /etc/httpd/ mkdir vhost-conf.d echo “Include vhost-conf.d/*.conf” >> conf/httpd.conf ServerName www.rmohan.com DocumentRoot /wwwroot/www/ Requireall granted ServerName crm.linuxidc.local DocumentRoot /wwwroot/crm/ […]

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LDAP repository in Websphere Application Server 7

his is to record the steps i used to switch LDAP repository in Websphere Application Server 7 and enabled LDAP over SSL. Lets Start Point your browser to the WAS console and login using admin account. Add in the new LDAP server configurations As i use a few repositories in my environment, i would be […]

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Resolving ADMR0104E for Application Server

This write up serve to record the resolution for the ADMR0104E error encountered by Websphere Application server during start up. The Application Server eventually is unable to start up. From “SystemOut.log”, we see that the system is unable to read some properties file. [6/27/12 12:08:35:103 SGT] 00000000 FileDocument E ADMR0104E: The system is unable to […]

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Recover websphere password

Google online and found this interesting step to recover websphere 7.1 password. For encrypting the password we have, //java/bin/java -Djava.ext.dirs=//deploytool/itp/plugins/com.ibm.websphere.v7_7.0.1.v20100710_0411/wasJars/ -cp securityimpl.jar:iwsorb.jar com.ibm.ws.security.util.PasswordEncoder secret The output is decoded password == “secret”, encoded password == “{xor}LDo8LTor” Hence, you can use the same method to decrypt the encrypted password. //java/bin/java -Djava.ext.dirs=//deploytool/itp/plugins/com.ibm.websphere.v7_7.0.1.v20100710_0411/wasJars/ -cp securityimpl.jar:iwsorb.jar com.ibm.ws.security.util.PasswordDecoder {xor}LDo8LTor The output […]

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Encrypting the ID and Password for Websphere Application Server

By default, you need to supply the ID and password when starting up/shutting down the deployment manager, node or application server. Example of the command as below Deployment Manager //bin/startManager.sh -username XXX -password XXX Node //bin/startNode.sh -username XXX -password XXX Application Server //bin/startServer.sh -username XXX -password XXX The steps to encrypt the password and ID […]

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