Linux, Hosting tips

How to mount SFTP share in Linux machine

This could be implemented using both FUSE and SSHFS. Download both from http://fuse.sourceforge.net/sshfs.html 1. Install FUSE package: fuse-x.tar.gz Extract and install #tar xvf fuse-x.tar.gz #cd fuse-x #./configure #make #make install After successful installation, install SSHFS package: sshfs-fuse-x.tar.gz Extract and install #tar xvf sshfs-fuse-x.tar.gz #cd sshfs-fuse-x #./configure #make #make install Now we can use sshfs to mount sftp [...]

how to remove an IP from the cphulkd blacklist

cPHulk Brute Force Protection prevents malicious forces from trying to access your server’s services by guessing the login password for that service. By the following steps you can remove the IP from the cphulkd blacklist. Issue the commands from mysql prompt. mysql> use cphulkd; mysql> select * from brutes; +————–+————————————————————————-+———————+———————+ | IP | NOTES | [...]

Dump Mysql Tables

Often you have encountered problems while importing large databases via phpmyadmin. In that case, you can dump the mysql tables by using the following command. for T in `mysql -N -B -e ‘show tables from database_name’`; do echo $T; mysqldump database_name $T > database_name_$T.gz ; done Now you can restore the tables one by one [...]

PTY allocation request failed on channel 0

Recently I tried to ssh into a guest in vmware. I was able to authenticate in the server and I was not able to access the console. I was getting the following error. $ ssh x.x.x.x The authenticity of host ‘x.x.x.x (x.x.x.x)’ can’t be established. RSA key fingerprint is 1c:4d:1b:6g:d5:40:db:5b:46:7f:bb:17:b1:1b:41:80. Are you sure you want [...]

Install APC in cPanel server

You can install APC (Alternative PHP Cache) in your cpanel server using the following steps: # pecl install apc Then add the extension in the php.ini file. You can get the php.ini file by # php –ini Add the following line to it. extension=”apc.so” Then, retart apache service and you are good to go. I [...]

Install Zimlets in Zimbra (ZCS)

Zimlets are delivered as a zip file that includes all the files necessary to run the Zimlet. The zip file should be copied to the Zimbra servers to deploy the Zimlet to users. Deployment and management of Zimlets is only from the command line (CLI). To deploy a Zimlet to the default COS Copy the [...]

Subversion install error

You may get the following error while installing subversion: root@server [/usr/src]# yum install subversion Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp.nluug.nl * extras: ftp.nluug.nl * updates: ftp.nluug.nl Excluding Packages in global exclude list Finished Setting up Install Process Resolving Dependencies –> Running transaction check —> Package subversion.i386 0:1.6.11-7.el5_6.3 set to [...]

cPanel upcp error : Undefined subroutine

I have seen recent cPanel upgrade throwing errors shown below: root@server [~]# /scripts/upcp /scripts/upcp syntax OK Running Futex Check/Fixâ€¦â€¦Done Undefined subroutine &Cpanel::Update::automatic_updates_enabled called at /scripts/upcp line 273. This can be fixed using below steps. wget -O /root/updatenow.static http://httpupdate.cpanel.net/cpanels…datenow.static && perl /root/updatenow.static –manual Now you will be able to upgrade the cPanel using upcp script. /scripts/upcp [...]

Zimbra PreAuth Keys

Preauth stands for pre-authentication, and is a mechanism to enable a trusted third party to vouch for a user’s identity. For example, if a user has already signed into a portal and wants to enter the mail application, they should not have to be prompted again for their password. You can create preauth key by [...]

Change MySQL database collation

You can change database collation from the WHM/cPanel. 1. Enter your WHM/cPanel and select phpMyAdmin. 2. Select the database you wish to manage. 3. Click on the Operations tab in the top menu of your phpMyAdmin 4. At the bottom of the page you will see the collation option. Select a collation from the drop [...]