Articles

 Dig command is not working

Use this command to install dig command. # apt-get install dnsutils

 Error when browsing phpinfo.php warning : phpinfo() has been disabled for security reasons

You have added phpinfo in the disabled functions in your php.ini Ssh to your server and...

 FTP not connecting giving errors in CentOS

1) Check if selinux is disabled # getenforce If it shows enforcing, then selinux is restricting...

 Getting error in qmail 451 unable to exec qq (#4.3.0)

     First we have to Configure outlook for...

 I am getting " install: fatal: unable to write .../bin/tcpserver: text busy " while installing qmail

This is because tcpserver is running. Follow these steps. 1) ps -ax |grep tcpserver 2) kill all...

 I am getting ERROR 1251: Client does not support authentication protocol requested by server; consider upgrading MySQL client while connecting to remove server

When you try to connect remove mysql server and if you get this mesage. ERROR 1251: Client does...

 I am getting error " iptables: invalid argument " while adding ESTABLISHED RULES in OpenVZ

When you try to add ESTABLISHED rules in iptables on OpenVZ and if you get this message....

 Interworx not getting restarted

When i try to restart iworx it gives error Uncaught IWorx_Exception_DbUtil: DB Error:...

 MAIN PANIC Error in system filter: failed to open filter log file "/var/log/filter.log": Permission denied

You get this message when there is permissionissue on the file filter.log. Use this command to...

 MySQL/InnoDB – ‘Unable to lock’ issue

Root# tail  -f /var/log/mysqld.log nnoDB: Unable to lock /path/to/ibdata1, error:...

 No network devices detected after installation of Linux guest in Hyper-V environment

Install the Linux Integration Components for Microsoft Hyper-V in the guest system to have the...

 Qmail is giving error messge 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)

If you receive message 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1) it...

 Restricting FTP user from climbing back to /home

1) Edit vsftpd.conf 2) unhash chroot_local_user=YES

 Uploaded files of FTP shows 600 instead of 644

vi /etc/vsftpd.con localumask=022 /etc/init.d/vsftpd restart

 When MYSQL has to be connected from one site to another site, firewall blocks it and when doing telnet to that server it connects and disconnects after some time by giving error "Connection closed by foregin host"

Add the following rule in iptables: iptables -I INPUT -m state --state ESTABLISHED,RELATED -j...

 remove mails from exim by for a perticular domain.

This is the command to remove mails from exim for a single domain. exim -bpr | grep yahoo.com |...

 tar: unrecognized option `--warning=no-timestamp'

I manually unpacked the latest tar package (version 1.26-2) with ar and tar, and overwrote...

 when installing qmail getting this error: /lib/libc.so.6: could not read symbols: Bad value collect2: ld returned 1 exit status make: *** [envdir] Error 1 Copying commands into ./command... cp: cannot stat `compile/svscan': No such file or directory

Look in the source directory for Daemontools. Open the file called error.h. In that file, look...