Easy and Simple Solution

Friday, May 7, 2021

fatal sftphostkey unable to use '/etc/ssh/ssh_host_rsa_key' as host key

Due to inappropriate permission for ssh error occured. 

 [server@demo setupftp]# proftpd 
2014-8-14 21:08:39,896 host.serverdemo proftpd[6934]: fatal: SFTPHostKey: unable to use '/etc/ssh/ssh_host_rsa_key' as host key, as it is group- or world-accessible on line 21 of '/usr/etc/proftpd.conf'

chmod 600 /etc/ssh/ssh_host_rsa_key
ssh-keygen -f /etc/ssh/ssh_host_dsa_key -N '' -t dsa

Error communicating with server cloudlinux

[server@demo]# /usr/sbin/clnreg_ks --force
An error has occurred:
Error communicating with server. The message was:
Unable to connect to the host and port specified
See /var/log/up2date for more information

skip checking the hardware
 /usr/sbin/clnreg_ks --nohardware

Saturday, July 13, 2019

term environment variable not set ssh top

root@host [/etc]# top -c
TERM environment variable not set.

export TERM=xterm

Warning: Cannot modify header information - headers already sent by

Warning: Cannot modify header information - headers already sent by (output started at /home/demo/public_html/contact.php:1) in /home/demo/public_html/contact.php on line 21

Remove the whitespace that included on first line in your file.

welcome to emergency mode after logging in type journalctl

While boot your linux based system or laptop or server you will encounter this error. This issue will occur because of unused disk entry in fstab file.

Welcome to emergency mode! After logging in, type "journalctl -xb" to view
system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to
try again to boot into default mode.
Give root password for maintenance
(or type Control-D to continue):

1.Open fstab and check for the invalid or unused entry.
2.Remove the entry you found.
File location : /etc/fstab
3.Now try to boot your

Saturday, April 13, 2019

Electronic Product Buy Information

I had a experienced through on my knowledge & suggesting the best.
•Buy: Lenovo,Dell,Apple.
•Don’t: Hp,Asus,Acer,Toshiba,Samsung,Sony and others.

Check and update your mobile update frequently.
•Buy: Apple,Vivo,One Plus,Basic Nokia,New Honor,New Redmi/MI, Blackberry.
•Don’t: Oppo,Realme,Samsung,Huawei,Sony,Moto,Asus,Acer,Google Pixel,Lava,LG,Micromax,Nokia and others.

Check and buy high  speed read/write pendrives.
•Buy: Kingston,Transcend,Strontium
•Don’t: Hp,Sandisk,Sony,iBall,PNY,Amazon Solimo,Toshiba,others.

Check and buy high speed read/write cards and use 10th class cards.
•Buy: Kingston,Transcend,Sandisk Ultra / Extream,Sony.
•Don’t: Samsung,Strontium,Hp,Toshiba and others.

•Buy: Sony,Jbl,Boss,Sennheiser,Boat,Mivi,Skullcandy.
•Don’t: Samsung,Hp,iBall,Apple(best but ear will pain)and others.

•Buy: Seagate,WD,Transcend.
•Don’t: Hp,Toshiba,Sony,Samsung and others.

•Buy: Logitech,Amazon Basics,Belkin,Dell.
•Don’t: Low/cheap brands.

•Buy: Eset / Nod32,eScan.
•Don’t: Kaspersky,Avira,Avast,Mcafee,Quick Heal,BitDefender,K7,MaxSecure,BullGuard,TrendMicro.

•Buy: Apple,Surface,Wacom.

•Buy: Samsung,Mi,Sony,VU.
•Don’t: LG,Micromax,Onida,Panasonic and others.

Wednesday, January 17, 2018

No Valid CloudLinux License Found

You will get an error while open LVE Manager option on whm panel.
No Valid CloudLinux License Found
We couldn't validate your CloudLinux License since Aug 22, 17. Please, make sure your license correct.
If your server is licensed by IP, please check if your IP license valid here.
check again If you need help with your license - please, contact our support department at
If you need to purchase a license, you can buy it from or contact
1.Login your server using SSH and run the following command.
/usr/sbin/clnreg_ks --force
2.Once you completed your LVE (cloudlinux) re-licensed successfully.

Monday, January 15, 2018

dpkg: error processing package teamviewer:i386

Below error occurs while install teamviewer on ubuntu.
root@demo:/download# dpkg -i teamviewer_12.0.76279_i386.deb 
Selecting previously unselected package teamviewer:i386.
(Reading database ... 247287 files and directories currently installed.)
Preparing to unpack teamviewer_12.0.76279_i386.deb ...
Unpacking teamviewer:i386 (12.0.76279) ...
dpkg: dependency problems prevent configuration of teamviewer:i386:
teamviewer:i386 depends on libc6 (>= 2.11).
teamviewer:i386 depends on libgcc1.
teamviewer:i386 depends on libasound2.
teamviewer:i386 depends on libdbus-1-3.
teamviewer:i386 depends on libexpat1.
teamviewer:i386 depends on libfontconfig1.
teamviewer:i386 depends on libfreetype6.
teamviewer:i386 depends on libjpeg62.
teamviewer:i386 depends on libsm6.
teamviewer:i386 depends on libxdamage1.
teamviewer:i386 depends on libxext6.
teamviewer:i386 depends on libxfixes3.
teamviewer:i386 depends on libxinerama1.
teamviewer:i386 depends on libxrandr2.
teamviewer:i386 depends on libxrender1.
teamviewer:i386 depends on libxtst6.
teamviewer:i386 depends on zlib1g.
dpkg: error processing package teamviewer:i386 (--install):
dependency problems - leaving unconfigured
Processing triggers for bamfdaemon (0.5.3+17.04.20170406-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for gnome-menus (3.13.3-6ubuntu5) ...
Processing triggers for desktop-file-utils (0.23-1ubuntu2) ...
Processing triggers for mime-support (3.60ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.15-1) ...
Errors were encountered while processing:
apt --fix-broken install -y
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