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24
votes
1answer
528 views

What happens when you 'mount over' an existing folder with contents?

Right now /tmp has some temporary files in it. When I mount my hard drive (/dev/sdc1) on top of /tmp, I can see the files on the hard drive. What happens to the actual content of /tmp when my hard ...
2
votes
3answers
85 views

Shall I save my crontab file in /tmp?

I ssh to a server, and want to add some daily jobs (specifially to renew Kerberos tickets even when I log out and I still want my programs in screen or tmux continue to run) to cron. So I run crontab ...
1
vote
1answer
19 views

Cannot log in to my Debian Wheezy 7 system

I have a Debian Wheezy 7 installation. When I turn it on it boots to the log in screen normally. However when I type in my username/password and try to login the screen briefly turns off for about one ...
0
votes
0answers
44 views

DD-WRT: /tmp exec permission

After making a simple hello world OpenWrt package I installed it to the /tmp folder on the dd-wrt device. The program shows up in ls /tmp but when I try to execute it, it shows me /tmp/helloworld: ...
1
vote
1answer
37 views

Where should generated scripts be placed in the filesystem?

I am writing a piece of software (C++) which generates Python scripts. Where should these temporarily existing scripts be placed in the file system? I read a couple pages about the Filesystem ...
6
votes
2answers
966 views

How to make a temporary file in RAM?

I have a script that will pipe its output to |tee scriptnameYYMMDD.txt. After each cycle of the for loop in which the output is generated, I'll be reversing the file contents with tac ...
3
votes
2answers
85 views

How can I test if my /tmp “works”?

I had to delete some files and whatever, long story, I ran sudo rm -rf /tmp/. Now, on mac (might be universal, I'm not sure) it is a symlink to /private/tmp/. But my /tmp/ folder has a thumbnail ...
4
votes
4answers
710 views

How create a temporary file in shell script?

While running a script, I want to create a temporary file in /tmp directory. After execution of that script, that will be cleaned by that script. How to do that in shell script?
3
votes
2answers
97 views

Firefox temporary files

In Firefox, when I choose to open a file without saving it and without an internal plugin (like a pdf or a doc file) the default behavior is that the file is saved in /tmp as a temporary file and that ...
0
votes
1answer
46 views

Is it a bad habit to move things to tmp?

Im not sure what type of issues this could cause (might be none, of course). But when I had a folder a few days ago that could not be deleted even after running: chflags nouchg -R and then sudo rm ...
17
votes
3answers
520 views

Finding the correct tmp dir on multiple platforms

I have a script that needs to create temporary files for its work, and clean up after itself. My question is about finding the right base directory for the temporary files. The script needs to work ...
2
votes
1answer
486 views

specify mount option in /etc/fstab (mode=1777)

I have following line in my /etc/fstab: /dev/mapper/tmp /tmp ext4 noexec,nodev,nosuid,mode=1777 0 0 When I try to mount /tmp, I get following error in dmesg: EXT4-fs (dm-1): ...
1
vote
1answer
136 views

How to clean /tmp?

In general, how can we clean /tmp for freeing up the space taken by non-needed files? Note that I once made a mistake by deleting everything under /tmp, and then after rebooting, my Ubuntu was ...
1
vote
1answer
82 views

When the RAM is used up, what will happen?

When I ran ImageMagick's convert to convert and combine image files into a pdf file, it will create 10GB temporary dirs and files in /tmp. I am not sure if it did that all the time, or because my ...
25
votes
2answers
8k views

I made a mistake last night, which deleted 1800GB of my File-Server unintentionally

I ran this command yesterday, I thought on a test machine, but it was a File-Server connected through SSH. sudo rm -rf /tmp/* !(lost+found) My terminal emulator is Konsole. My system is Debian 7. ...
0
votes
1answer
4k views

“bash: cannot create temp file for here-document: No space left on device”

My / only has about 800MB free space left. I guess it is the reason that $ convert * book.pdf Segmentation fault (core dumped) bash: cannot create temp file for here-document: No space left on device ...
1
vote
3answers
40 views

Why does Debian prefer a temp file replacing the original over modifying bytes in original file?

In the mp3gain manpages, you can read the following: -t mp3gain writes modified mp3 to temp file, then deletes original instead of modifying bytes in original file (This ...
1
vote
0answers
59 views

What is the most elegant way to limit /tmp?

Recently I was struck by this tricky bug. In it, /tmp gets overflowed with symlinks until the system runs out of inodes. What is the best way to be sure that this can never happen again? I'd like to, ...
1
vote
3answers
58 views

How to access temporary file straight after creation?

I've script which is connecting to remote host via SSH, creates temporary file and executing the following command: Calling system(mysql --database=information_schema --host=localhost < ...
1
vote
1answer
29 views

What are the files in /tmp that start with “qipc”?

There are empty files like this in my /tmp directory: qipc_sharedmemory_soliddiskinfomemac5ffa537fd8798875c98e190df289da7e047c05 ...
1
vote
1answer
139 views

SUID-bit not working for executables within /tmp directory

Printing the value of getuid() and geteuid() from an executable with SUID-bit (chmod +s) turned-on, seems to result with the original caller ID instead of the owner id if the executable is located ...
4
votes
2answers
191 views

Could you explain this “chroot” /tmp directory creation?

In the following linked article they explain how to create a "chroot" /tmp directory. I'm a bit confused by what they did. Could someone explain what the following commands are doing? Noexec and /tmp ...
1
vote
1answer
62 views

Accidentally garbled a bunch of file names in /tmp… ssh keys asking for passwords

I accidentally garbled the file names of the contents of my /tmp directory (don't ask) to the point where they're not recoverable. Since doing so, I'm always asked for the password to my ssh keys ...
0
votes
0answers
85 views

Problems with permissions for /tmp

I executed command: chmod 1777 /tmp Now I get these results of executing the ls command from root: ls -ld /tmp drwxrwxrwt 4 root root 4096 Aug 9 05:42 /tmp and from not-root user: ls -ld /tmp ...
1
vote
2answers
245 views

Do Links to /tmp files get deleted?

I have a script that creates a temp directory using mktemp -d. A folder generated in the temp directory is the output of the script that will be copied to another part of the machine. I was ...
1
vote
1answer
161 views

How to install a .bin file that gives the error that it needs more space in /tmp?

Here is the error: ~]$ ./jdev_suite_121200_linux64.bin 0%....................................................................................................100% Not enough disk space in dir ...
2
votes
1answer
76 views

Is there a command which creates a temporary file containing the arguments passed to it?

I can paste the contents of a file into a command using cat and backticks: ls `cat filenames` Is there a way to do the reverse - to turn a string into a (temporary) filename? gcc -o cpuburn `uncat ...
8
votes
5answers
1k 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 ...
5
votes
2answers
4k 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 ...
2
votes
4answers
146 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 ...
2
votes
2answers
1k 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
115 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 ...
2
votes
1answer
591 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 # ...
10
votes
3answers
332 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: http://serverfault.com/questions/244944/linux-ata-errors-translating-to-a-device-name/426561#426561) on a read-only / ...
3
votes
1answer
128 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 ...
1
vote
1answer
84 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 ...
1
vote
1answer
2k 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 ...
0
votes
1answer
463 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 ...
1
vote
0answers
300 views

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

An ftp id wasn't able to authenticate itself using kerberos because it wasn't able to create /tmp/krb5cc_[uid]. This was caused because /tmp ran out of inode space, as there were innumerbale (don't ...
5
votes
1answer
780 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 ...
4
votes
2answers
1k 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? ...
16
votes
4answers
497 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 ...
1
vote
0answers
73 views

SPSS temp directory space issue

I am trying to import a table data into SPSS Statistics Server, but due to space constraints in the temp directory location I am not able to facilitate the data import. I need to either increase the ...
1
vote
2answers
144 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
502 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
3answers
5k views

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

I'm kinda pretty new to this but 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'm troubled since I can't locate those ...
31
votes
3answers
23k views

What are common rights for /tmp ? I unintentionnally set it all public recursively

I have abused sudo. I have created a really really short life temporary directory that I wanted to share between some users for a few hours... and I named this directory /some/path/tmp Unfortunately ...
9
votes
1answer
8k 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
3k 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
178 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 ...