Reload IP addresses after Linux restart

Run the following command in SSH:   /etc/init.d/ipaliases restart

How to find / disable core dump files

How to disable core dumps on Linux Servers Core dump is a memory or a storage dump which records the memory state ...

Reset lost/forgotten root password

Just restart your machine and follow the steps: 1. At the boot(grub) menu select the linux kernel 2. then press e 3. ...

Check email activity in Linux mail log

# grep domain.com /var/log/maillog# grep user+domain.com /var/log/maillog

ip_conntrack: table full, dropping packet

ip_conntrack: table full, dropping packetIf you notice the above message in syslog, it looks like the conntrack ...

Linux CentOS - Redhat EL Installation on HP Smart Array B110i SATA RAID Controller - HP ML/DL Servers

Linux CentOS - Redhat EL Installation on HP Smart Array B110i SATA RAID Controller - HP ML/DL ...

To see number of IP connections and IPs connected to port 80

To see number of IP connections and IPs connected to port 80, use the following command.   netstat -plan|grep :80|awk ...

Fixing Cpanel permissions

/scripts/fixperms username

Fix all user domains under /home

Fix WHM diskspace reporting

/scripts/fixquotas

Fix mailbox quota reading

/scripts/generate_maildirsize --confirm <user>

Block all wp-logins

Add following to  /usr/local/apache/conf/includes/pre_virtualhost_global.conf <Files wp-login.php> # set ...

Change mail sending IP - Linux

Sometimes mail server IP gets blacklisted in the RBL's which causes inconvenience to send / receive emails. To overcome ...

How to recompile PHP for linux to include extra

So you realized you'll need to install mcrypt libraries in order to operate your billing package eh? In addition to ...

Updating Apache using Cpanel EasyApache

EasyApache is a pre configured script that allows you to easily update Apache Web server through WHM or SSH. In this ...

How to setup RAID1 on linux

http://nixcraft.com/getting-started-tutorials/432-setting-up-raid-1-mirroring-running-remote-linux-system.html