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10
votes
5answers
3k views

saving in /tmp is not really saving?

Open e.g. a mail attachment from Firefox (without previously saving it); this is a Libre Office document, you edit it, and then push save (not save as) and close both text editor and browser. Then the ...
14
votes
2answers
26k views

When exactly does tmpwatch clear out files I place in /tmp?

CentOS 6.x I'm confused on when exactly files I place in /tmp/ are deleted. /etc/cron.daily/tmpwatch has the following: #! /bin/sh flags=-umc /usr/sbin/tmpwatch "$flags" -x /tmp/.X11-unix -x /tmp/....
2
votes
4answers
595 views

Wrapper command that runs program in temporary directory and deletes it after execution [duplicate]

I want to write a command that: takes another command as its arguments does a 'cd' to a temporary folder executes the command passed in the arguments removes the temporary folder afterwards ...
4
votes
3answers
12k views

How can I check to see if the /tmp directory on my CentOS 5.x system is mounted on tmpfs?

CentOS 5.x My understanding is that the contents of /tmp/ in CentOS 5.x can/are automatically purged by the OS via one of two methods: A daily cron task running tmpwatch If /tmp/is mounted on a ...
2
votes
1answer
822 views

What is the tmp folder in /var?

I have a tmp folder in /var and it has the file channel.xml in it. I don't know what this is and if it should be there and what permissions it should have because at the moment it is wide open. Also ...
3
votes
1answer
3k views

Command(s) to install tempfile on CentOS 6.4

I'm looking to install the package for tempfile but am not finding it? possibly use mktemp but I'm not sure if there is a difference in behaviour besides a dot notation in the temp name? $ tempfile # ...
11
votes
3answers
743 views

bash: Some issue when using read <<<“$VARIABLE” on a read-only root partition. Any known workarounds?

Just by coincidence I had to use my ATA-ID-to-device-name script (found here: https://serverfault.com/questions/244944/linux-ata-errors-translating-to-a-device-name/426561#426561) on a read-only / ...
3
votes
1answer
270 views

Securing /tmp on OpenVZ [closed]

/tmp should be mounted as a separate filesystem with the noexec,nosuid options set /var/tmp should either be symlinked to /tmp or mounted as a filesystem /dev/shm is not mounted with the noexec,nosuid ...
2
votes
1answer
181 views

Small RAM-based /tmp

My VPS host's web interface for configuration gives me a dropdown box to set my /tmp. The default is "16MB RAM" and the alternative is "harddisk". Is it possible that having only 16MB of /tmp ...
6
votes
1answer
13k views

Yum user temp files (/var/tmp/yum*) fills up with repo data

On my rhel6 system, non-sudo users can do yum check-update. Files are then placed in /var/tmp/yum[user]*/ . The repodata there gets quite large. Can I: Configure the location? Configure yum so it ...
1
vote
1answer
2k views

Different behavior of mktemp Ubuntu 12.02 / Mint 9 Isadora

In a Bash script I use ImageMagick's convert command for doing some image processing. I generate a temporal gif file for convert to write to. I really need the file to have the .gif extension so ...
2
votes
0answers
998 views

tmp/krb5cc_[uid] is not getting purged regularly (kerberos credentials cache)

A user wasn't able to authenticate using Kerberos because it wasn't able to create /tmp/krb5cc_[uid]. This was because /tmp ran out of inode space, as there were innumerable Kerberos credential cache ...
8
votes
1answer
3k views

What can go wrong if /var/tmp is on a temporary filesystem?

I have read that I should not mount /var/tmp as a temporary filesystem (e.g., as tmpfs), because files in /var/tmp must not be deleted on reboot. Is that correct? Suppose I did mount /var/tmp as a ...
6
votes
2answers
4k views

Is it OK to store /var/tmp on a SSD? [duplicate]

I have read that you should not store /tmp on a SSD, because the frequent writes will shorten the lifetime of the SSD. But what about /var/tmp? Is it reasonable for /var/tmp to be stored on a SSD? ...
17
votes
4answers
1k views

Which folder should I write to for my intermediate files, as a dev?

I'm starting to write a few bash scripts for my project and they need some intermediate files or variables to be written. I want to know which folders can I be sure of having access to when someone ...
17
votes
2answers
4k views

hook a script to apt-get

I have /tmp on a separate partition, and mounted with noexec. I am using Debian. The installation of some packages fails, because the post-installation scripts of some packages need to run from /tmp. ...
4
votes
2answers
877 views

Single process accessible temporary file

I want to create a file that is only accessible to the process that created it (and potentially its children), and that disappears when the process exits, ideally never persisting the file to disk. As ...
1
vote
2answers
3k views

how to automatically cleanup failed PHP uploads in /tmp?

How can I automatically cleanup failed uploads? PHP is storing them in /tmp and all file names look like phpAbCDeF (basically php followed by 6 characters). I know that I can use the command: find /...
1
vote
4answers
10k views

how to delete temp and log files with terminal on vps?

Anyone know how to delete any temp and log files or these kind of files on vps with terminal? I'm runnin debian on the vps. I can't locate those files.
84
votes
3answers
149k views

What are correct permissions for /tmp ? I unintentionally set it all public recursively

I have created a really really short life temporary directory that I wanted to share between some users for a few hours : /some/path/tmp Unfortunately I have launched sudo chown 777 -R /tmp instead ...
26
votes
3answers
31k views

Overflow /tmp mounted when there is free space on /

I recently faced an "overflow" issue on /tmp. I don't have a separate /tmp partition, and there is 17% free in / – then why did I get an overflow tmp filesystem? # /etc/fstab: static file ...
1
vote
4answers
8k views

When to mount /tmp (and other temporary directories)

When is the right time to mount /tmp (on Debian)? For /home I would not feel bad just to echo "/dev/foo /home type defaults 0 0" >>/etc/fstab - but can I be sure that /tmp is not used by any ...
1
vote
2answers
295 views

Where does the -i option in sed store the lines matching a regex?

I am trying to release space in my server's hd so I'm matching old dates in a log file with sed and it is decreasing but my root partition is now using 98% percent of it's space instead of 91% it was ...
144
votes
4answers
96k views

What is the difference between /tmp and /var/tmp?

On most FHS systems, there is a /tmp folder as well as a /var/tmp folder. What is the functional difference between the two?
0
votes
2answers
2k views

Writing to /tmp is failing - returning error 22

I'm getting this weird behaviour where writing to /tmp is failing. Even try touch /tmp/foo as root fails with OS error code 22: Invalid argument. The permissions are set to 1777/drwxrwxrwt.
7
votes
1answer
3k views

Can LVM snapshots be writable? (and used for temporary experiments)

It seems that usually it is talked about snapshots as read-only. (In a scenario where one creates a snapshot, then does some experiments with the main volume, and then restores the old state by "...
3
votes
1answer
2k views

Paritioning Scheme: Arch Linux server & laptop

What would be a good partitioning scheme for an Arch Linux installation, on a server and on a laptop? My current basic scheme: / [root] ext4 /home ext4 swap I know ...
29
votes
6answers
31k views

Is it safe to rm -rf /tmp/*?

This is something I used to do a lot on Windows, but after my recent fiasco I want to make sure. Is it safe to do sudo rm -rf /tmp/* ?

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