Useful MySQL commands
To find MySQL root/admin pass : cPanel server : cat /root/.my.cnf ( username : root ) Plesk server : cat /etc/psa/.psa.shadow ( username : admin ) DirectAdmin server : cat...
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Convert Linux Physical Server to VMware virtual machine
Download and install vCenter Converter on a windows machine. http://www.vmware.com/products/converter Unfortunately this tool does not have a Linux / MAC version. vCenter Converter In case you see an...
View ArticleCreate bootable USB on OSX
- Identify the disk number for the USB disk inserted, usually you can find it from the “Name” and “Size” field. Below eg: , We inserted a USB with 4.1 GB size (so as the identified: “disk2″.) Open...
View ArticleAn issue with exim — mails not getting delivered to certain mail-servers
Facing an issue with exim, that it doesn’t send any mails to certain SMTP server’s like gmail etc? First place to check is the /var/log/exim_mainlog and see if you can spot something like this...
View ArticleCould not connect to https://vcenter_address:7331/
This usually happens from the vSphere web client while opening a console session with virtual machine. and the log (/var/log/vmware/vsphere-client/logs/vsphere_client_virgo.log) shows something like:...
View ArticleApache error_log – piling up with PHP errors ?
Is error_log associated with a domain piling up in huge size ? Check the contents of it and see if its something like this : ============= [07-Feb-2014 00:19:15 America/New_York] PHP Strict Standards:...
View ArticleIssue with NTP servers — The new DDoS target !!
Just like the DDoS is hitting web-servers and DNS servers, it has started hitting the ntpd servers which are left open. This is a very recent attack. The Network Time Protocol, or NTP, syncs time...
View ArticleSend attachments from command line with mutt
To send e-mails from command line with attachments using mutt. Set the from address with EMAIL= -s – Subject -a – attachment file recipient name -c – for CC -b – for BCC create a text file (eg:...
View ArticleError when enabling SMTP Restrictions – cPanel/WHM
SMTP restrictions prevent users from bypassing your mail server to send mail. This feature allows you to configure your server so that the mail transport agent (MTA), Mailman mailing list software, and...
View ArticleDownload RTMP videos
To download RTMP (http://en.wikipedia.org/wiki/Real_Time_Messaging_Protocol) videos, # apt-get install rtmpdump $ rtmpdump -r -o eg: $ rtmpdump -r rtmp://foobar.com/mp4:videos/123/foo.mp4" -o foo.mp4
View ArticleError when trying to FTP !
When trying to FTP-in, facing this error ? : ================= Status: Resolving address of xxxxxxxxxxxxxxx.com Status: Connecting to xx.xx.xx.xx:21… Status: Connection established, waiting for welcome...
View ArticlecPanel issue with disk space used for an email account !
When you check the disk space used for an email account from cPanel you might see a value very much different from the actual value. You can verify the actual used space by checking from the back-end...
View ArticleSetup GeoIP (PECL) for piwik geolocation and updating old visits
GeoIP is the recommended way to accurately determine the location of the visitor, by default geolocation settings may provide in accurate result. To enable GeoIP(PECL) from redhat/centos machines: #...
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Monitor VMware ESXi hardware without root (Nagios)
Download and configure the plugin: http://exchange.nagios.org/directory/Plugins/Operating-Systems/*-Virtual-Environments/VMWare/check_esxi_hardware-2Epy/ - Create a new user in ESXi with no access...
View ArticleMETALS AS DISINFECTANTS
1. INTRODUCTION Pathogen-free drinking water is a priority for the safety of human health concerned with waterborne infectious diseases. Increasing urbanization has aggravated the problem of...
View ArticlecPanel – Chkservd showing Exim/IMAP getting failed numerous times ?
– Check chkservd logs (/var/log/chkservd.log ) and see if we can find something like this in-relation to exim ========================== >> AUTH PLAIN...
View ArticlePlesk upgrade to the latest stable version — Centos 5.x 64 bit arch
– Plesk can be upgraded upto version 9.5.4 either from Plesk control Panel or by using the following script : # /usr/local/psa/admin/bin/autoinstaller – Till this version, its pretty straightforward. –...
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Enable USB Debugging CyanogenMod 11.0
To enable USB debugging, Settings –> About Phone and tap on build number several times until you see the developer mode Once the phone in developer mode, settings –> developer options –> and...
View Articlevirt-manager without root
To be able to execute virt-manager without root privilege, - create a new group # group add libvirt - Add the required users to this group by editing the /etc/groups file - Edit the libvirtd...
View ArticleIssue with exim — require_files: Permission denied in logs ?
Facing issue in sending/receiving mails in a cPanel server ? As always, first place is to check for /var/log/exim_mainlog. If you spot something like this : ==================== 2014-04-30 17:07:34...
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