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Month: February 2015

June 16, 2016 / Linux

How To Use Rsync to Sync Local and Remote Directories on a VPS

Introduction Rsync, which stands for “remote sync”, is a remote and local file synchronization tool. It uses an algorithm that minimizes the amount of data copied by only moving the portions of files that have changed. In this guide, we will cover the basic usage of this powerful utility. We will be using an Ubuntu …

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May 16, 2018 / Linux

Nginx 502 Bad Gateway solution

1.FastCGI take long time, you need add this configs to nginx.conf fastcgi_connect_timeout 300; fastcgi_send_timeout 300; fastcgi_read_timeout 300; 2 FastCGI Buffer not enough, add to nginx.conf fastcgi_buffer_size 32k; fastcgi_buffers 8 32k; 3. Proxy Buffer not enough, add to nginx.conf proxy_buffer_size 16k; proxy_buffers 4 16k; 4. php-fpm log size more then 2G

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February 19, 2016 / Linux

Set Up vsftpd on CentOS 6 and CentOS 7

You can quickly install vsftpd on your virtual private server in the command line: sudo yum install vsftpd We also need to install the FTP client, so that we can connect to an FTP server: sudo yum install ftp Once the files finish downloading, vsftpd will be on your VPS. Generally speaking, the virtual private …

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February 16, 2015 / Linux

Warning: include_once(): Unable to allocate memory for pool

/etc/php.d/apc.ini For the people having this problem, please specify you .ini settings. Specifically your apc.mmap_file_mask setting. For file-backed mmap, it should be set to something like: apc.mmap_file_mask=/tmp/apc.XXXXXX To mmap directly from /dev/zero, use: apc.mmap_file_mask=/dev/zero For POSIX-compliant shared-memory-backed mmap, use: apc.mmap_file_mask=/apc.shm.XXXXXX

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August 29, 2015 / Linux

linux send email mutt tool

yum install mutt echo “Hi, database backup.” | mutt -s `date +%d/%m/%Y`” – backup ” [email protected] -a xxx.zip Change from address vi ~/.muttrc set from=”Vick <foo@bar>”

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