Questions tagged [gzip]
`gzip` (or GNU zip) is a file format and corresponding utility for compressing files using the DEFLATE algorithm. The usual extension is `.gz`.
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What is the difference in gzip compression levels?
Have been using gzip for a few years and usually I always gzip -9 out of habit as it is the highest level of compression. I understand that lower levels means less compression but quicker compress ...
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Unzipping files downloaded from the Arxiv server
I want to download the source Tex files (not the pdf) of this document:
http://arxiv.org/abs/1306.0322
After downloading here, I get a weird file with the ".0322v3" (the second part of the doc code) ...
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Why is my .tar.gz larger than the sum of the separately compressed files in it?
I observed the following situation which is somewhat unexpected to me:
I have a csv file and a corresponding txt file. Uncompressed, their sizes are 375MB and 5KB.
When I compress the csv file ...
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simple way to extract tar.gz in-place with no hard-drive overhead
I'm working with a tar.gz file (196 GB). This file needs to be extracted (240 GB) in place, and I would like the total disk usage not to go over 240 GB during the process (or close to it as possible). ...
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Optimizing gzipped files for block-level deduplication
I have about 100TiB of compressed gzip data on cloud volumes. On my way to run a block-level dedup (duperemove for btrfs) I find that it was compressed without -n, which causes block-level difference ...
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dd + gz = Even Worse /// Mount Valid Partition of Whole-Disk dd Image
I've got a 250G backup of a whole disk via dd, which was then piped to gz, thanks to the advice of one of my -genius- friends.
Looks like the EFI boot partition was corrupted (pretty sure it's an ...
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gzip -d introduces wrong ASCII characters
I am struggling with the following command: gzip -d /path/to/compressed.sql.gz
I always run it inside a container from the same Docker image. It works fine on my laptop as well as in our production ...
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Transfer a directory over ssh with sudo
I am trying to transfer a directory from a remote server(CentOS) to my local machine(Ubuntu) over ssh. There are two users : A and B. User A can ssh into remote server and has sudo access. User B owns ...
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"gzip --version" gives "Abort trap: 6" in macOS
I found that doing gzip --version in the terminal on my Mac just gives output Abort trap: 6. I came across this because it appears to cause another program to exit when it searches for the installed ...
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How to enable Opencl for gzip?
gzip is a widely used lossless compression program. I have installed gzip and the version is as follows
gzip 1.2.4 (18 Aug 93)
Compilation options:
DIRENT UTIME STDC_HEADERS HAVE_UNISTD_H
How to ...
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How can I restore a MySql database dump direct from S3?
I have a gzipped database backup stored on S3 and would like to restore it to MySql without having to first download it due to disk space constraints. I tried the two commands below but got gzip: ...
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Gzip'd tar archive Spanning Multiple Disks
Very similar to (How to create tar archive split into, or spanning, multiple files?), but specifically I would like to simultaneously:
tar and compress a 10 tb directory, having insufficient local ...
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Simultaneously enable gzip and $STR_REPLACE in CGI in apache
I have a code in my CGI script for text replacement (for example replace 'red' with 'blue')
$STR_SEARCH='red'
$STR_REPLACE='blue'
I am using the below code in .htaccess for enable replace function:
...
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GZIP file system code for Linux?
GZIP allows one to use file system codes. See page 7 of RFC 1952.
What is (are?) the GZIP file system code(s) to use for Linux?
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canot restore disk image with dd (target part filled with zero)
I have a RAID0 disk before, now I want change the size of it.
From the manual, the only way is backup data, delete RAID, re-create with new size, and restore data.
now I have many old 2.5" hdd, each ...
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How to extract such a compressed file?
I have been asked to extract a ZIP file having in it 3 tar files and each tar file contains around 3000 gz files.
I had to extract the main ZIP file first then extract the tar files second then ...
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If a .gz file was downloaded can it demage my computer or steal data?
I was unaware that I was on a data phishing landing page (it was very clever, I haven't seen anything like this before) and I downloaded a .gz file. After that it started to become suspicius so I ...
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Mounting a directory of zipped files for direct unzipped access
I have a directory tree with LOTS of .gz files. I once saw a way to mount it (via FUSE I think) so that I could see all the files directly (i.e. unzipped) under another directory.
I've been searching ...
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Why are not all my files included when I gzip a directory?
I know this is a question that has been asked before, for example here Recursively count all the files in a directory,
but this is driving me crazy. Let me explain:
I have a directory called "...
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Windows tar compress command doesnt appear to include subdirectories
I am trying to compress all files and folders in the current folder (on my Windows 10 environment) so I can extract them on my Raspbian environment. Im using a Powershell script with the tar command
...
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Can one extract the files in a .tar.gz and upload them individually onto cPanel?
I am in the process of migrating my website from Bluehost to a different hosting company. I downloaded the entire backup of the cPanel (61 GIG) successfully, but uploading files is incredibly much ...
Dude
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How do I maintain integrity on zip and unzip?
I'm taking a dd of a drive and trying to share it with a friend. It's rather big after dd (~8gb). When I tar -czvf my-image.img I can get it down to ~1.5gb. However, if I try to test unzip it, I see ...
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Unable to decompress file with gzip
I have a file called myfile.dat.gz that I need to decompress. I have been trying gzip -d myfile.dat.gz, but this results in the error gzip: myfile.dat.gz: invalid compressed data--format violated.
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How could I use logrotate and group by day a bunch of gzip files with an uncompresssed extension?
Doing a test in a production enviroment with rotation logs with 2 days just for testing purposes with gizp files. Created a test file at /tmp/.
/etc/init.d/test
/tmp/test/*.gz {
daily
...
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gzip: CHARTEVENTS.csv.gz: not in gzip format
I'm trying to expand a file named CHARTEVENTS.csv.gz by using guzip CHARTEVENTS.csv.gz , but always I have this error gzip: CHARTEVENTS.csv.gz: not in gzip format . can any one tell me what is the ...
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how to send the decompressed output of archives to standard output?
When you decompress a gzip archive with gunzip without any arguments, the archive disappears, and you're left with the decompressed file in its place.
However, if you use the -c option, the archive ...
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Extracting a file in solaris
I'm try to extract a file in solaris to a folder.
I have tried following combinations but no luck.
gunzip -c jdk-8u211-solaris-sparcv9.tar.gz > /opt/java/jdk8.2.11
I'm getting a is directory ...
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Serving tar.gz file through AWS Cloudfront?
I would like to keep things tidy on the S3 bucket where my website's assets live.
Currently I am uploading all assets to S3, as part of the CI/CD pipeline, this has got a bit messy since generated ...
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gz file corrupted while transfer
I have huge gz files generated in linux machines and everyday night there is a script running to move files to remote network storage which is also linux host with terabytes data. The problem is, I am ...
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Extract folder inside large gzip file in windows
I have a 200 gb tar.gz file I need to extract one folder inside this file. I know exact location of the folder need. Is there any way to do that, any third party tools, or any power shell commands ?
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How to view specific path inside tar.gz?
tar -tf file.tar.gz let's me view inside the whole archive. How do you view a specific path without viewing the whole thing? E.g., I want to view only /path/foo/
Update:
This command almost works ...
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AWS Redshift failed to inflateinvalid or incomplete deflate data while inserting a zipped csv file
I have a zipped csv file which is a part of a huge file, and extracted from the original huge file using the following command:
gunzip -c myFile.csv.gz | head -n 500000 > myFile.csv.gz_p1
after ...
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Drobo FS on Fedora tar backups fail w Input/output error, Child returned status 1
We're been running tar/gzip backups for a while on Fedora 25 Linux servers and we'd like to make sure aquota.user files get backed up. From the comments in the drobo-backup.conf file here's what we ...
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how much time takes to check the compressed file is available or not in that directory while using gzip compression in apache?
I am using static compression.(i.e.)In my application, When xml is generated, then I also creates its gzipped version and place near in it.
I am having little confusion in it. When clients sends ...
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Decompress all gz files in a tree
I am working on an Ubuntu 14 server.
Trying to create a tar.gz backup of my website, I accidentally gzipped every individual file in my /var/www/ directory, recursively. Now the whole tree consists ...
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Apache2 with mod_deflate serve bad css and js
Problem I am having is with css and js files served as file.css.gz and file.js.gz on one of enabled sites.
The content is served as this gibberish:
û—Û6’0ú»ÿ
sæÚNZ²H½ZΉ¿yìN&9Iv¿yå5sï¡H¨Å˜5$Õïõ÷·...
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gzip archive with damaged begin
How to recover as much as possible gzip file content when begin of this file is damaged?
Is it possible? I tried commands gunzip -c , zcat, openssl zlib -d etc.
Unfortunately that commands doesn't ...
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How to open tar gz file created using tar piped to gzip
I wanted to generate a tar gz file with the highest compression level, and I followed the solution from https://superuser.com/a/546509/461740:
tar cv /path/to/directory | gzip -9 > file.tar.gz
...
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Unix gzip more than one file at once
I have come to the end of my research with unix:> I'm new with unix and its enviroment, so i need your help guys. Long story short, i have a housekeeping script, which runs daily/weekly (it doesnt ...
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Decompress logged GZIP binary data
In an effort to verify my app was sending back and forth with my server correctly, I had run
tcpdump -w ~/capture.txt -s 0 port 80
on a server with proxy sitting in between to capture all requests. ...
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Need to create .tgz file in Windows
I need to create a .tgz file - NOT a tar.gz, a .tgz specifically - in Windows.
I've tried 7zip, Peazip, and ProgramArchiver, but they all create .tar.gz files. I've also tried running 7z from the ...
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Cannot unzip xymon-4.3.18.tar.gz; "No such file or directory" error
I have a problem unzipping an archive.
ubuntu:~% sudo gzip -dc xymon-4.3.18.tar.gz | tar xf -
gzip: xymon-4.3.18.tar.gz: No such file or directory
tar: This does not look like a tar archive
tar: ...
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can't open .gzip archives retrieved with wget
I'm trying to download the content of a directory hosted on a server using wget in a cygwin terminal.
I have no problem getting the files but they are all .gz archive and once downloaded they are ...
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GZIP corruption with big files?
I came across a weird behavior:
gzip v1.5 - Fedora r18
A file
-rwxrwxrwx. 1 root root 3892576256 Apr 28 11:29 vm.qcow2
Initial checksum:
md5sum vm.qow2
954c5461468d68daed3cef6a7b66bd8f vm.qcow2
...
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Removind same *.tar.gz archives
I have crontab event archives to .tar.gz some folder every N hours. Finally I have collection of .tar.gz files. Now I want remove duplicating archives (created while target files stays unchanged) How ...
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Is there an older version of gzip that returns different/larger outputs?
I don't know how else to phrase this question, but I stumbled upon a file which I know from the header is gzipped (1F8B0800) but I am unable to recreate the file no matter what I try (including gzip ...
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Extract a section of a tgz file
I have a 28.5 GB .tgz file which was created on the command line of a Linux computer, compressing one folder and all its many many subfolders. I now want to extract a single sub-sub folder from that ....
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Is it possible to recover partial compressed files?
Of the most popular compression methods (7z, RAR, Zip, GZip) is there any of them that allows to retrieve the uncompressed data from a partial file?
Imagine there is only one compressed file, and it ...
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