lftp
lftp this is an amazing program that allows you to download or upload a site. How to download a site supporting SFTP account using lftp.
How to Create Swap Partition in Linux
How to Create Swap Partition in Linux Result Edit the /etc/fstab, and the following entry. Source: http://www.webtrafficexchange.com/solved-mysql-crash-fatal-error-cannot-allocate-memory-buffer-pool count= was supposed to be K, but in the article it’s in MB
df
Show free disk space Show how many inodes are available
md5deep – How to Calculate MD5 checksum of a Directory
Related http://www.linuxquestions.org/questions/linux-software-2/how-to-create-md5sum-for-a-directory-689242/
mytop
Mytop is one of my classic open source and free console-based (non-gui) monitoring tool for MySQL database was written by Jereme Zawodny using Per. You’ll be asked to enter a password related: http://www.tecmint.com/mytop-mysql-database-monitoring-in-rhel-centos-fedora/
truncate
How to reduce file size by truncating it truncate -s 0 {filename.txt} src: http://www.cyberciti.biz/faq/truncate-large-text-file-in-unix-linux/
find
How to find files larger than 25MB in linux find / -type f -size +25000k -exec ls -lh {} \; | awk ‘{ print $9 “: ” $5 }’ Credit: http://www.cyberciti.biz/faq/find-large-files-linux/ http://www.cyberciti.biz/faq/how-do-i-find-the-largest-filesdirectories-on-a-linuxunixbsd-filesystem/
zip
How to create a zip archive zip -r9 content.zip folder_to_zip/ -r is for recursive -9 is for maximum compression
gzip
How to gz compress a file without deleting the original. gzip < file > file.gz credit: http://unix.stackexchange.com/questions/46786/how-to-tell-gzip-to-keep-original-file
process memory usage
ps -e -o pid,vsz,comm= | sort -n -k 2 http://superuser.com/questions/398862/linux-find-out-what-process-is-using-all-the-ram