Reference’s for Beginner (Linux)

Hi, ## Basics ## 1. Introduction to Linux —http://bit.ly/Introcudtion_to_Linux 2. Linux Architecture — http://bit.ly/Linux_Architecture 3. Windows Vs Linux Comparision — http://bit.ly/Windows_Vs_Linux 4. Bash Shell features — http://bit.ly/bash_shell 5. Linux Directory Structure — http://bit.ly/Linux_Directory_structure 6. Linux Boot Process Detailed explanation – http://bit.ly/LinuXboot_process 7. Basic and Common Commands – http://bit.ly/Basicommands 8. All […]

Steps to clear virtfs on cpanel server

First make  sure that no users have jailed shell access in the “Manage Shell Access” interface. You can then use the script that you found in the blog post to unmout any bind-mounted directories. for i in `cat /proc/mounts | awk ‘/virtfs/ {print $2}’`; do umount $i;done CPanel also provides […]

DDOS attack measures

  How do we confirm that the server is under DDOS attack? We can confirm it by checking the result of netstat command: netstat -an|awk ‘/tcp/ {print $6}’|sort|uniq -c This will show the states and number of connections at that time. The different states that are visible mostly in servers […]

Control search engine crawlers

How to Control search engine crawlers with a robots.txt file Website owners, can instruct search engines on how they should crawl a website, by using a robots.txt file. When a search engine crawls a website, it requests the robots.txt file first and then follows the rules within. It’s important to […]

Installation/Upgradation of IPTABLES and CSF

Steps to Update/Install iptables iptables v1.6.0 cd /usr/src wget -O /usr/src/iptables-1.6.0.tar.bz2     https://www.netfilter.org/projects/iptables/files/iptables-1.6.0.tar.bz2 –no-check-certificate tar -jxf iptables-1.6.0.tar.bz2 cd iptables-1.6.0 ./configure –prefix=/myiptables –with-xtlibdir=/lib/xtables –disable-nftables make make install mv /sbin/iptables /myiptables/iptables.backup mv /sbin/iptables-restore /myiptables/iptables-restore.backup mv /sbin/iptables-save /myiptables/iptables-save.backup ln -s /myiptables/sbin/iptables /sbin/iptables ln -s /myiptables/sbin/iptables-restore /sbin/iptables-restore ln -s /myiptables/sbin/iptables-save /sbin/iptables-save ———– For […]

Icons is missing in paper lantern theme

When accessing the accounts enabled with the paper lantern theme we could see that the image icons not being displayed. We have tried a cpanel upgrade on the server but could still find the issue being persisting. Steps to reproduce: Login to any cpanel with paper lantern enabled. Once logged […]

Horde not loading properly

Horde not loading properly While checking we could see that the horde page is not loading properly. When we check any accounts we could be able to that the horde is not properly loading. You can check this by accessing any email accounts via horde. his is a setting within […]

Horde giving fatal error (SQLSTATE[HY000]: General error: 1 no such table: horde_prefs)

I ran the command /usr/local/cpanel/bin/update_horde_config –user=diver –full and I am able to access webmail via horde ========================================================================== [23:55:18 xxx root@techflavouz /home/diver/mail/diver.si]cPs# /usr/local/cpanel/bin/update_horde_config –user=diver –full horde conf: /usr/local/cpanel/base/horde/config/conf.php Successfully updated the sql section of the Horde configuration. Running database checks for 1 account(s) … Using Universal Quota Support (quota=0) Running horde-db-migrate […]

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