Solved

How to clean/compress /var in Linux Red Hat

Posted on 2014-11-23
5
361 Views
Last Modified: 2014-12-05
I have a Linux Red Hat v6 server and noticed that /var is 100% full. The server starts but the web application is not loading. Can this be related to the full directory and what is the best way to clean or resize the directory?

Thanks in advance
0
Comment
Question by:exhuser
5 Comments
 
LVL 11

Expert Comment

by:andreas
ID: 40460973
run a df -k|sort -n and you see which folders in /var use most space.

Be aware that some contant in /var is critical for system operation. So dont delete things there until you know its safe to delete this content.

If your system still has unallocated space ynd you have a LVM setup you might enlarge /var by adding unallocated space to it.
0
 
LVL 48

Assisted Solution

by:Tintin
Tintin earned 166 total points
ID: 40460979
Adding more space depends on whether you have more physical disk space and are using Logical Volume Manager (LVM).

Easiest course of action is to delete old files in /var/log

You can list old files with

find /var -type f -mtime +30 -ls

That will list any files in /var older that 30 days.
0
 

Author Comment

by:exhuser
ID: 40461023
Most space:
1. Logs
2. Cache
3. Crash

Which ones can be safely deleted?
0
 
LVL 11

Accepted Solution

by:
legolasthehansy earned 167 total points
ID: 40461054
The safest to remove is the crash logs but only after you have determined what program dumped them in the /var and fixed it. They contain valuable information on program being terminated abruptly.
0
 
LVL 11

Assisted Solution

by:andreas
andreas earned 167 total points
ID: 40461456
In /var/log you might safely remove all files that and with -datestamp (e.g. (messages-20141123, or cron-20140813))
This are backed up old log files.

In /var/cache are sometimes things that shouldn't be deleted so I would let this alone for now.

contents of /var/crash can be deleted if nobody want that information for error fixing anymore.
0

Featured Post

PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
wifi not working on Raspberry Pi 3? 2 51
VirtualBox in Fedora 25 Linux:  Unable to Install OS 11 218
High Bandwidth Usage 6 53
Why isn't object file created? 6 57
Article by: kevp75
Hey folks, 'bout time for me to come around with a little tip. Thanks to IIS 7.5 Extensions and Microsoft (well... really Windows 8, and IIS 8 I guess...), we can now prime our Application Pools, when IIS starts. Now, though it would be nice t…
The purpose of this article is to demonstrate how we can upgrade Python from version 2.7.6 to Python 2.7.10 on the Linux Mint operating system. I am using an Oracle Virtual Box where I have installed Linux Mint operating system version 17.2. Once yo…
Learn several ways to interact with files and get file information from the bash shell. ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…
Learn how to find files with the shell using the find and locate commands. Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location of the file.:

815 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

11 Experts available now in Live!

Get 1:1 Help Now