Tag Archives | Linux

Disable the email alert by cronjobs

You installed some cronjobs, you feel uncomfortable due to too many email alerts. How to disable them? First, you need know Unix / Linux crontab file stored Now, you download it for editing, (or you can use some editor like vi, nano…)   change line to save file and upload it (rewrite) Final, you restart […]

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Unix / Linux crontab file stored

Linux and Unix-like operating system may change the default from /var/spool/cron/ to something else. Use the following as a guideline for your OS (assuming that user name is tutorialspots): Mac OS X – /usr/lib/cron/tabs/ (user cron location /usr/lib/cron/tabs/tutorialspots) FreeBSD/OpenBSD/NetBSD – /var/cron/tabs/ (user cron location/var/cron/tabs/tutorialspots) CentOS/Red Hat/RHEL/Fedora/Scientific Linux – /var/spool/cron/ (user cron location/var/spool/cron/tutorialspots) Debian / Ubuntu Linux – /var/spool/cron/crontabs/ (user cron location/var/spool/cron/crontabs/tutorialspots) HP-UX Unix – /var/spool/cron/crontabs/ (user […]

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PHP: Sending E-mail with PHPMailer and SMTP

Read first: PHP: Sending E-mail with Gmail SMTP and PHPMailer We can send email with Gmail SMTP but Google limit number of email per day: you can see the limitation of Gmail SMTP here With a VPS, we can send unlimited emails through our SMTP server REQUIREMENT: * A VPS linux, and KLOXO installed * […]

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Verify CentOS 32 or 64 bit?

Verify CentOS 32 or 64 bit?

To verify if a CentOS Linux system is 32 bit versus 64 bit you can use the uname command. Below are examples of using the uname command from the CLI on a 32 bit system followed by using the uname command on a 64 bit system. 32 Bit CentOS Linux Server [root@localhost ~]# uname -a […]

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How to Install RPMforge yum repository on CentOS 5

How to Install RPMforge yum repository on CentOS 5

In this tutorial we will learn how to install and add the RPMforge repository into CentOS 5. We will also learn how to disable it once it is installed. Installation: Follow the simple steps below and the rpmforge repo will be installed in seconds. 1. Verify 32 Bit or 64 Bit: Verify if your server […]

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How to Install RAR/UnRAR on CentOS Linux

How to Install RAR/UnRAR on CentOS Linux

The rar and unrar packages are not available from the default yum repositories on CentOS Linux so you will need to install the rpmforge repo to install these packages via yum. Read this article for steps on how to install the RPMforge repository on CentOS Linux. Once installed you can install rar and unrar using […]

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Understanding output of Free command in UNIX/Linux

Understanding output of Free command in UNIX/Linux

Actually this understanding helps when we analyze the systems which going through bad phase of perfromance. [root@localhost ~]# free total used free shared buffers cached Mem: 2073636 1954072 119564 0 4004 1465796 -/+ buffers/cache: 484272 1589364 Swap: 4192956 112 4192844 Show in MB [root@localhost ~]# free -m total used free shared buffers cached Mem: 2025 […]

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How to installing Remi Repository on LINUX

In this tutorial we will learn how to install and add the Remi Repository into LINUX (RHEL/CentOS 5-6, Fedora 12-17). Follow the simple steps below and the rpmforge repo will be installed in seconds. 1. Verify 32 Bit or 64 Bit: Verify if your server is 32 bit or 64 bit. Use this tutorialspots.com article […]

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