So i ran NPM in my centos server. But accidentally i upgraded NPM from old version to the latest version (i forgot what command that i ran).
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Tag: SSH
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NPM Error in WHM, Saved by Installing NVM
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Find String in Files in Linux
To find some string within files in Linux, you can use this command
grep -rnw '/your/path/' -e "find this string"
-r means recursive
-n means line number
-w means match the whole word 🙂 -
How to Append Date and Time to Log File in Linux
If we want to get detailed log report, we can store multiple log files with date and time information on the file name 🙂
We can do this command in Linux :
your_command_here > /path_1/path_2/your_log_$(date +"%Y-%m-%d_%H-%M-%S").txt
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How to Delete Files in Directory in Linux
If you want to delete files within a directory in Linux, you can use this simple command
rm -f /your/directory/*
If you want to delete files and directories recursively within a directory in Linux, you can use this command instead 🙂
rm -rf /your/directory/*
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Empty a File Using Linux Command
Today i received an e-mail notification from cpanel that a partition in my server is almost full.
First i checked largest directories / files using this command :du -h --max-depth=1 /some/path
Then i noticed that they were some log files which took space in my partition 🙂
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How to Remove Directory and Subdirectories Recursively in Linux
Sometimes there is occasion where deleting files from Cpanel takes a very long time to finish.
For example because there are too many files under a directory.
In this situation we can use SSH to delete a directory and all files and subdirectories under that directory.We can use the command below.
But be careful, do not enter wrong path.
You may delete the wrong directory. 🙂rm -rf /your/directory/
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How to Create and Extract Tar.gz File in Linux
How to create tar.gz in Linux :
tar -zcvf "archive.tar.gz" "file.sql" tar -zcvf "archive.tar.gz" "/home/example/public_html/"
How to extract tar.gz in Linux :
tar -zxvf "archive.tar.gz"
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How to Install PECL Memcache in WHM / CentOS
You can run these commands to install PECL memcache (not memcached).
However, this memcache will work with memcached.wget http://pecl.php.net/get/memcache-3.0.8.tgz tar xvfz memcache-3.0.8.tgz cd memcache-3.0.8 phpize ./configure make make install
Take note of the php extensions directory that memcache is installed in.
Mine is: /usr/local/lib/php/extensions/no-debug-non-zts-20020429/Then add this line to your php.ini
extension="/usr/local/lib/php/extensions/no-debug-non-zts-20020429/memcache.so"
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How to Install Memcached in WHM / CentOS
I use Centos & WHM.
Here is how to install memcached (not memcache) using command line.First, installing memcached
wget http://memcached.org/latest tar -zxvf memcached-1.x.x.tar.gz cd memcached-1.x.x ./configure && make && make test && sudo make install