Questions tagged [gzip]

Gzip is any of several software applications used for file compression and decompression. The term usually refers to the GNU Project's implementation, "gzip" standing for GNU zip. It is based on the DEFLATE algorithm, which is a combination of Lempel-Ziv (LZ77) and Huffman coding.

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Gzip compression with nginx

In my nginx.conf I have: gzip on; gzip_static on; gzip_buffers 16 8k; gzip_comp_level 9; gzip_http_version 1.0; gzip_min_length 1000; gzip_types text/plain text/css ...
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60 views

Linux CLI Make a Tar.Gz with Tar.Gz First-level Directories

Currently, I use this command to make tar.gz archives: sudo tar -zcpvf archive.tar.gz directory1 directory2 directory3 Is there a way to compress multiple archives like above, but instead of ...
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1answer
74 views

What are the downsides of http compression?

I always was aware that http supports gzip compression, but never cared about it. I counted on that the servers and shared hosts I use would have activated it by default (I'm more of a frontend ...
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317 views

Error with gunzip during logrotate

I'm using logrotate to rotate my Symfony2 logs on my webserver. Everything works fine, but I wanted the old logs to be sent to me by emails. So, I added some line in my logrotate conf file as you can ...
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2answers
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nginx gzip_static removes Content-Encoding header

My http block defines various gzip rules. Then in where I have pre-comporessed gzip files I’m using the gzip_static module. i.e. something like: http { gzip on; #... server { #...
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1answer
563 views

phpMyAdmin export, half file compressed?

Okay, I have to admit, that I derped up. I've exported a database from a to-be-reinstalled server and didn't check that file. Now, that I try to import it, I've discovered something very strange, the ...
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1answer
402 views

Can't get included CSS and JS files to be compressed

I have enabled compression via .htaccess and in httpd.conf However when I run it through the various online testers, its always saying that various included files are not compressed. Apache version ...
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1answer
224 views

Compressing and streaming files from a linux server

I have a linux server with a lot of unused files, but it is low on disk space. I'd like to take a copy of the files before deleting them. There is not enough disk space to store the compressed version ...
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2answers
13k views

Turn off gzip for a location in Nginx

How can gzip be turned off for a particular location and all its sub-directories? My main site is at http://mydomain.com and I want to turn gzip off for both http://mydomain.com/foo and http://...
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How to enable static GZip compression for versioned “/style.css?v=1” resourcess in IIS?

Google PageSpeed reports that files like .css and .js are compressed, but .css?v=1 and .js?v=1 are not. How to enable static compression for files that have a dynamically changing version number in ...
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3answers
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How to avoid gzip on php resized images?

We should not gzip images, right? How do I avoid gzipping on images like this: img/sample.php?id=image_name.jpg can also be called like this img/sample.php?id=image_name.jpg&size=3 the actual ...
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3answers
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nginx is not using gzip to talk to backend servers

Our web servers are running IIS 7 and are configured to compress dynamic and static content. When I hit these servers directly, gzip compression works. I recently placed nginx in front of them, ...
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1answer
161 views

./configure doesn't work while installing mod_gzip

I tried to install and enable mod_gzip on apache server and downloaded mod_gzip from http://sourceforge.net/projects/mod-gzip/files/ When i try to install and type ./configure, i get ./configure: No ...
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436 views

IIS 7.5 successfully compresses but sends uncompressed version in response

I have IIS 7.5 setup to use gzip compression on both static and dynamic content. By inspecting the "IIS Temporary Compressed Files" folder, I have verified that it is indeed compressing all of the ...
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1answer
166 views

How to echo line out of gzip compressed file?

While importing a mysqldump into a Galera cluster get an error message refering to duplicate error, referencing a line. How do I echo out the particilar line in order to check the source table? ...
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Content-Length not sent when gzip compression enabled in Apache?

I would really appreciate some help understanding this Apache behaviour. I am communicating to PHP from an iPhone Objective-C app in application/json. Gzip compression is enabled on the server, and ...
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2answers
555 views

Gzip level for pre-compressed files?

I've learned that for gzipping css and js files on the fly, it's best to keep the default level -1. Now I'm serving static pre-compressed gzip files and I wonder if it's better to use a higher level ...
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1answer
186 views

gzip select directories into separate archives

How would I go about compressing a list of directories into separate archives? I have read solutions that just archive all the directories within a given dir, but there are some I want to skip. ...
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1answer
3k views

HTTP compression in Apache reverse proxy?

I have an App server where Apache httpd is installed which serves the requests. We have another Proxy machine which redirects the requests to this App Server httpd using proxy pass. When I apply gzip ...
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How to implement gzip compression in such a way that the files compressed path is stored as relative path rather than absolute path?

I am trying to implement gzip compression in my Application server machine but when it is served through the proxy(different machine) to the front end the css files are getting broken due to the mixed ...
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1answer
350 views

turn off gzip encoding for site in varnish config

I am attempting to turn off the gzip encoding for a specific website which is backed by a load balancer in order for some developers to troubleshoot something. I have already adjusted the apache ...
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1answer
3k views

wget and pipe to tar in the background

I am trying to download a large file which is .tar.gz and (> 2GB) in size. The bash script also does lots of other things, so I want to kick off the download and then continue processing other ...
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1answer
2k views

Safari does not decompress gzip content when Content-Encoding is gzip,gzip

Safari for OSX, iOS, and Windows is having issues decompressing Gzip content on my server after a recent server overhaul. I moved from 1 server with Apache and PHP5-FPM to 3 servers. A load balancer ...
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1answer
627 views

Serving SVG as GZIP does not cache it in subsequent requests

OS: Ubuntu 14.04 Apache: 2.4.12 (using PPA) - mod_expires, mod_headers I am using GZIP for all SVG files. It works well with the following statement in a configuration file (not .htaccess) AddType ...
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1answer
3k views

Why isn't the Nginx Gzip Precompression module working?

I'm currently trying to set up Nginx to serve all of my static files. Since they will not be changed very frequently at all I want to us the gzip_static module to allow me to pre-gzip copies of my ...
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160 views

AWS S3 content over VPN is not getting decompressed (gzip)

We have a client who is having difficulty viewing our content over their VPN. If they browse to the content it appears with all crazy characters. I think I have worked out its somthing to do with GZIP,...
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1answer
2k views

Nginx not displaying CSS, PNG & SVG

I have been looking through the hundreds of questions about this for a couple of hours now, but I haven't been able to find a single one that's the exact same as mine. Up until a week ago, all sites I'...
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How do I accomplish Drupal “double gzip” prevention in Nginx?

There is this section of the default .htaccess that Drupal ships with: # Serve correct content types, and prevent mod_deflate double gzip. RewriteRule \.css\.gz$ - [T=text/css,E=no-gzip:1] ...
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2answers
4k views

TAR command to extract a single file from a .tar.gz

Does anyone have a command syntax for extracting 1 file from a .tar.gz that also allows me to place the extracted file in a certain directory? I have Googled this and get too many variations with a ...
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1answer
2k views

Oops - how to undo gzip of entire web directory? [closed]

So.. yeah. I don't spend a lot of time on the linux command line and instead of making a zip file of the web directory, I gzipped everything in the web directory. What's the anecdote to stupidly ...
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1answer
298 views

How to enable gzip?

I would like to enable GZIP throughout my whole website. What would be the best way to do it? Would it be through .htaccess? Any pointers on how to do this would be greatly appreciated.
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2answers
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nginx gzip enabled but not not gzipping

I have gzip enabled on nginx 1.2.8, but for some reason, it is not gzipping anything. Nginx install info: nginx version: nginx/1.2.8 built by gcc 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1) TLS SNI ...
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1answer
679 views

Setting a custom value to the DeflateBufferSize results in 500 internal server error

I'm trying to reset the DeflateBufferSize directive like so in my .htaccess file: DeflateBufferSize 1024 SetOutputFilter DEFLATE But the result of each page is then 500 internal server error (this ...
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1answer
326 views

Cannot extract .tar.gz archive in bash

I am in my /w dir and I saved the .tar.gz archive from the MediaWiki server like this: $ cd /public_html/w $ wget releases.wikimedia.org/mediawiki/1.24/mediawiki-1.24.1.tar.gz But once I try to ...
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3answers
2k views

How to serve giziped text files with nginx

To save space we gzip all our logs and text files and these files are browsed by the user, but these files are downloaded instead of opened in the browser, I couldn't find a way to set mime-type text/...
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1answer
6k views

Config NGINX to GZip Font Files? ( Different gzip_types for different directories)

SOLUTION: It turns out it is not my config / NGINX faults - my DNS provider, cloudflare, is preventing the fonts from being GZipped for some reason I'm using NGINX with GZIP_Static module installed. ...
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3answers
53k views

How to enable either Gzip or Deflate compression via .htaccess?

How to enable either Gzip or Deflate compression via .htaccess and which one is best these days? Code examples needed.
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1answer
1k views

Unable to Unzip a tar.gz.bz2

We run daily backups of our MySQL server. Using the following script: [ ! -d "${DEST}" ] && mkdir -p "${DEST}" FILE=${DEST}/mysql-live.${NOW}-$(date +"%T").tar.gz.bz2 # get around error ...
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2answers
15k views

Can't gzip some JS and CSS files

I am optimizing a magento store, and some JS and CSS (compiled and minified in a MEDIA folder) aren't being served gziped as they should. All pages are gziped (ex. this HTML page) but some content ...
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5answers
8k views

Grepping through .gz log files

Does there exist a magical shell piping which would allow easily to grep through bunch of .gz log files without needing to extract them somewhere? .gz files are Apache logs, result of log rotation. I'...
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0answers
688 views

apache deflate module not working

it's very strage, i google a problem with no luck at all. i have 2 servers (centos6, apache2.2). apache configuration is totally the same (i sure, apache configured by puppet) my deflate.conf: ...
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3answers
4k views

Why is gzip compression varying in efficiency in IIS?

While running Fiddler, I noticed something odd in a request for a static ~5MB XML file to my server: Despite sending byte-for-byte identical headers (Edit: Including the headers), the responses were ...
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3answers
4k views

How to set apache 2.2 gzip compression level?

I am running Debian and Apache/2.2.22 I have gzip enabled, and I would like to know, what is my compression level and how to change it. I know this can be achieved editing php.ini, but I would like to ...
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1answer
652 views

BASH: bz2 to gzip conversion with find

I would like to convert a muliply bzip2 files to gzip format. I achived this with foor loop but I would like to do the same with find: BASH for loop: for i in $(ls -1 *.bz2); do echo "Converting: $i ...
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409 views

YSLow says certain CSS are not gzipped

YSlow keeps on telling me files like http://www.example.com/wp-content/plugins/q-and-a/css/q-a-plus.css?ver=1.0.6.2 are not gzipped while the gzip test tool at Feed the Bot mentions I am all good: ...
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1answer
11k views

How to disable gzip compression for particular virtual host apache

Im using Apache and I have enabled zip compression to all my virtual host domain. However, I want to disable the gzip compression on one particular virtual host only. I try this method. All separated ...
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4answers
3k views

Logrotate appends “1” at the end of compressed file

I have a script which runs as a cronjob every 30 mins and takes mysqldump of some tables. The dump files are stored in /var/log/ as /var/log/mysqldump/dbname/tablename/2014-06-15-18-30-dbname-...
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1answer
637 views

Piping stream into tar on FreeBSD

I am trying to pipe a tar/gzip archive into tar to decompress it. The script I have is part of a self extracting installer, where my archive is appended to the script. This works fine on linux, and ...
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1answer
540 views

Linux cp with gzip and numbered backup in one step?

I'm wanting to copy a file and gzip it in a single command/step But I want to do numbered backup if the file already exists i.e. "cp --backup=numbered" or similar. The reason for the single step is ...
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1answer
6k views

dd command piped over gzip and ssh faster and faster as dd progresses

I am running the following command to copy a LVM from one host to another: dd if=/dev/vg_1/lv1 conv=noerror,sync bs=4M | gzip | ssh user@ip 'gzip -d | dd of=/dev/vg_2/lv1 bs=4M' To begin with I was ...