Mongodb wont start ERROR: child process failed, exited with error number 100

ARUN Post in ERROR
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After installation mongodb wont start and the error I receive is :
Starting mongod: about to fork child process, waiting until server is ready for connections.
ERROR: child process failed, exited with error number 100

Error log shows :

ERROR: Insufficient free space for journal files

SOLUTION :

http://admin.webhostingdevelopment.com/viewtopic.php?f=42&t=157&p=173#p173

How to install nodejs on centos server

ARUN Post in INSTALLATION
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How to install nodejs on centos server

http://admin.webhostingdevelopment.com/viewtopic.php?f=75&t=156&p=172&hilit=node#p172

Basic MySQL commands

ARUN Post in MYSQL
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Check the below URL :

http://admin.webhostingdevelopment.com/viewtopic.php?f=108&t=115&p=130#p130

update now button missing in awstats cpanel

ARUN Post in STATS
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vi /home/username/tmp/awstats/awstats.domainname.com.conf

Change or add the below to the bottom of the file

AllowToUpdateStatsFromBrowser=1

To enable golbally login to WHM >> Tweak Settings

Dropping connnection from 153.25.23.25 because of tcp_wrappers at cpsrvd-ssl line 3903

ARUN Post in WHM BACKEND
0

Cannt access WHM and above error in cpanel error logs

/usr/local/cpanel/logs/error_log

Solution :

http://admin.webhostingdevelopment.com/viewtopic.php?f=82&t=143

cagefs php.ini location

ARUN Post in FILE PATH ( conf, logs etc)
0

/usr/share/cagefs-skeleton/usr/selector/php.ini

configure: error: C++ preprocessor “/lib/cpp” fails sanity check

ARUN Post in ERROR
0

Solution here :

http://admin.webhostingdevelopment.com/viewtopic.php?f=42&t=117

How to remove a file using inode number + linux

ARUN Post in LINUX COMMANDS
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Solution :

http://admin.webhostingdevelopment.com/viewtopic.php?f=110&t=122

Roundcube DATABASE ERROR: CONNECTION FAILED! + cpanel

ARUN Post in Webmail
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DATABASE ERROR: CONNECTION FAILED!

Unable to connect to the database!
Please contact your server-administrator.

Solution :

http://admin.webhostingdevelopment.com/viewtopic.php?f=99&t=120

Add custom php.ini for servers running FastCGI

ARUN Post in PHP, WHM BACKEND
0

Solution :

http://admin.webhostingdevelopment.com/viewtopic.php?f=9&t=108&p=122#p122

Recursively change permission

ARUN Post in LINUX COMMANDS
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cd /home/username/

chown USER:USER -R public_html/

How to create custom php.ini for cpanel server with litespeed

ARUN Post in Lite Speed, PHP
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Solution :

http://admin.webhostingdevelopment.com/viewtopic.php?f=9&t=98

How to check if pop3d or imap connection limit is reached

ARUN Post in LOG ANALYSIS
0

http://admin.webhostingdevelopment.com/viewtopic.php?f=96&t=94

How to install imagick on cpanel/WHM servers

ARUN Post in INSTALLATION
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VISIT  http://admin.webhostingdevelopment.com/viewtopic.php?f=72&t=88&p=101#p101    for details

/scripts/installimagemagick

pecl install imagick

 



kernel: ip_conntrack: table full, dropping packet.

ARUN Post in FIREWALL
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Getting the below messages in /var/log/messages

Mar 4 08:09:41 server kernel: ip_conntrack: table full, dropping packet.

Solution:

http://admin.webhostingdevelopment.com/posting.php?mode=post&f=85

You might need to increase the ip_conntrack_max value.

To check the current value of  “ip_conntrack_max”

cat /proc/sys/net/ipv4/ip_conntrack_max
How to increase the value???
cp -ar /etc/sysctl.conf /etc/sysctl.conf.bak
vi /etc/sysctl.conf
Add or edit the field below and give the appropriate value
net.ipv4.netfilter.ip_conntrack_max = 
Tested with 131072 and when I received error with 65536 and it fixed