Questions tagged [freebsd]
FreeBSD is an advanced operating system for a variety of architectures. It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley; and is developed and maintained by a large team of individuals. It is a complete Operating System, including the kernel, drivers, and userland utilities such as shells.
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Putting all blocked ips into a table
I would like to block all the incoming traffic for a specific port and to put the source ips of these blocked packets into a table... I don't know about a pf.conf solution, I guess I would use another ...
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SSH into a jail takes so long
I have only one ip address and so I get to my jail through NAT.
SSH to the host is lightning-fast but SSH to the jail is awfully long... Like 20 seconds between ssh command and prompt for public key ...
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2
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syslog config for sftp logging
I'm on FreeBSD11. I changed syslog config file to log sftp actions in a file, but it doesn't work.
/etc/ssh/sshd_config
Subsystem sftp /usr/libexec/sftp-server -f LOCAL5 -l INFO
/etc/...
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11
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2
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nginx php-fpm child exited with code 0
Anyone had a similar problem with php-fpm 7 with 11.0-RELEASE-p8 or know how to debug it?
Situation starts after few minutes and show only half pages to clients. Any pages show up about ~62kb of ...
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2
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1
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zfs on FreeBSD 10
I have encountered to be what I consider a very strange performance issue
I have an application that processes some data and creates 100GB or so of files. This runs fine, and I can scp the files off ...
- 255
2
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1
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Check headers of a sent e-mail (by sendmail)
When I send an e-mail in console, like:
echo "Body of the message" | mail -s "Some clever subject" [email protected]
I would like to check the headers of the e-mail once it is sent.
They do not ...
- 470
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1
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Trying to "zfs attach" a new disk, how to get correct specification for the disk I'm adding?
I'm migrating data from my old server to zfs on FreeBSD 10.x (I'm actually on FreeNAS 9.10.2-u1 but doing this activity in console so it's pure FreeBSD). My problem is that zpool attach needs a ...
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What is bottlenecking my SMB share?
I set up a SMB/CIFS share on my FreeNAS box (Xeon E3-1220v5, 8GB DDR4 RAM) and I noticed that transfer rates are limited to ~70 MB/s, while I can easily get around 110 MB/s via WebDAV and using iperf ...
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nss-pam-ldapd ldap group filtering
I'm attempting to setup authentication via ldap for OpenSSH connections on our FreeBSD servers in AWS. The actual ldap server is external to AWS and is accessed over the Internet.
I've run into a ...
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1
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FreeBSD 11 not showing RX,TX packets and counts
I am having a FreeBSD 11 system in which I get the following output for ifconfig command
# ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=600003<...
- 153
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pfSense quit - File system unknown - harddisk corrupt?
I have a pfSense router, and it stopped working. When I connect a monitor the display stays black. When I remove the internal disk and connect it to an Ubuntu laptop, I don't see it in the file ...
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1
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What's included in the base image?
FreeBSD has some software included in the "base system", and optional software can be installed from pkg and the ports collection. What exactly is included in the base system? Is the list maintained ...
- 1,443
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FreeBSD CARP doesn't work in VirtualBox with bridged adapter [closed]
I have two identical VirtualBox machines running FreeBSD. Their networking is set up using "Bridged Adapter" option. I've followed FreeBSD Handbook instructions step-to-step, but I still not able to ...
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Where did load balancing using FreeBSD CARP go?
In some old manuals I see net.inet.carp.arpbalance sysctl, that turns on load balancing between CARP'ed interfaces. Recent manuals (FreeBSD 10+) say nothing about it.
Where did that feature go and ...
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1
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Slow read and write speeds on FreeBSD ZFS
my home storage server, which currently consists of 6 x 3 TB Seagate drives, 12 GB DDR3 RAM and a Core i3 540, has really poor performance when reading from or writing to the raidz2 I set up on.
...
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1
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How can destination addresses 132.148.77.28 and 132.148.77.28/32 be use different network interfaces for routing?
The output of netstat -rn on my FreeBSD virtual machine shows that:
Internet:
Destination Gateway Flags Netif Expire
default 10.195.51.254 UGS vtnet0
10....
- 159
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1
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How do you expand /var in pfsense when you run it in memory?
I have a pfsense box running 32GBs of RAM. I enabled /var and other directories to be in RAM due to have so much space and wanted to improve performance.
How do you alter and increase the size of /...
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Why is there non-127.x.x.x traffic on my loopback device?
I've got an issue which caused me quite a bit of a headache and found the solution, but I cannot understand why the problem was happening in the first place.
I've got an nginx reverse proxy which is ...
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13
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3
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Bare metal or virtualize?
I am looking to upgrade servers and am trying to figure out a good plan.
We currently have 4 servers:
OpenBSD firewall/VPN server
FreeNAS backup servers (local) that receives ZFS snapshots
FreeNAS ...
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ipfw blocks IPs not in table
FreeBSD this_server 10.3-RELEASE-p11 FreeBSD 10.3-RELEASE-p11 #0: Mon Oct 24 18:49:24 UTC 2016
IPFW seems to be full of ghosts for me. Here is an example.
First the evidence of blocking with my IP ...
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1
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Tinc on OPNsense
Having this kind of network layout https://i.stack.imgur.com/NQXDl.jpg I can get it working using mode=switch in with tinc, but not using mode=routed
Those are the network details
On quantum
those ...
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2
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FreeBSD shows high load, cannot find bottleneck
So we have set up a server(11.0-RELEASE-p2) that hosts around 150-200 jails. The server has 24 cores and 192gb of ram. When using top it shows no sign of stress - except the high load. All jails ...
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IPFW denies ssl connections
I'm having an issues loading https websites (google, facebook, amazon) through my PHP scripts using functions like fsockopen, file_get_contents. Operation is being timed out. So I started looking ...
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Solaris fmadm equivalent for FreeBSD
I've been looking for the equivalent of fmadm, the fault management configuration tool of Solaris / illumos on FreeBSD. But I'm unable to find an equivalent or even a subset of tools that mimics the ...
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Setting up remote console & poweron/off access for a single isolated physical machine
I have a server which will be sitting in a location without any smart hands (or any 'hands' at all) which is accessible but not easily. While I don't anticipate needing to power it off or on, or to ...
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1
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Rescue fstab, invalid argument mounting my disk ext4
I have a problem, I think I wrong to edit /etc/fstab on centos7 and I cannot reboot my remote server.
I'm in rescue mode with freebsd.
I cannot mount my ada0s3 (on centos was sda3) to fix my fstab.
...
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1
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PF temporary reroute to different IP
I have a FreeBSD host that serves as an entry point to additional systems on an internal network. As such I have pf configured to redirect incoming traffic on certain ports (say, port 5000) to the ...
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2
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Unable to connect to postgresql 9.6 server from 9.4 client
Specs
Server
Environment: FreeBSD (FreeNAS Jail)
Postgresql version: 9.4
Listening_address: '*'
Listening_port: 8096
pg_hba.conf entry: host all all 0.0.0.0/0 md5
Client
Environment: Linux Ubuntu ...
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1
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ZFS corrupted directory, but zpool doesn't detect anything wrong
A directory on my FreeBSD 10.2 server somehow got hopelessly corrupted (wasn't ZFS supposed to prevent that?)
ls or any other command against it leads to current session getting frozen on the kernel ...
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1
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How to change GELI passphrase on FreeBSD 11 Root-On-ZFS system with mirror RAID?
How to change GELI passphrase on FreeBSD 11 Root-On-ZFS system with mirror RAID?
Swap devices are also mirrored and ancrypted.
I have /dev/ada0p5.eli /dev/ada1p5.eli and /dev/mirror/swap.eli devices....
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How to use wildcards with pkg-upgrade?
As an example, when I want to list all installed packages of php70 I can just enter:
pkg info php70\*
But I cannot use the wildcard in this for pkg upgrade:
pkg upgrade php70\*
When I do get this ...
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2
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1k
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Using bash shell when logging into FreeBSD ssh
I'm searching a way to be sure my commands are executed by bash on some FreeBSD 11 machines that use csh as default shell.
The following is my code that works on Linux CentOS / Debian / MacOS X / ...
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How to tell if a FreeBSD host needs a reboot to activate the new kernel?
"uname" will tell me the version of the running kernel. How do I know if this is different from the installed kernel (i.e. the one that will be loaded on the next reboot)?
Ideally I'd like to write a ...
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use provided gateway 2001:4ba0:fffd:1:beef::1 /128 instead of fe80::1.
I am trying to setup some IPV6 address on a FreeBSD 11 server, I was told to use as a gateway this IP:
2001:4ba0:fffd:1:beef::1 /128
My addresses are:
2001:4ba0:fffd:0063::0 /64
I tried this:
...
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6
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How bad is it to have multiple devices with the same SSH server keys?
I am working on an embedded device that runs FreeBSD and SSH.
As you know, sshd likes to randomly generate a set of server keys when it first boots up. The problem is that we will be shipping the ...
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Slow network fixed adding hw.vtnet.csum_disable=1 what are the posible side effects?
While using FreeBSD 11 on Google Compute engine creating a vpn with openvpn & l2tp (mpd), I notice that the network speed was extreamly slow, first I disable the TSO:
ifconfig vtnet0 -tso
But ...
google-compute-engine
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2
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Problems with static IP addressing on FreeBSD
Appreciate this is quite a basic question for serverfault but I'm quite stuck with a problem with static IP addressing on a FreeBSD server and I'm not greatly familiar with FreeBSD, but I've been ...
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Why does nginx raise a 404 when it tries to acess static files on a FreeBSD server?
I've got nginx 1.8.1 on a server running FreeBSD 10.2. I'm trying to serve files from a subdirectory of /usr/local/www/ (which is default on FreeBSD), but for some reason, requests to the files I'm ...
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Google Firebase Cloud Messaging not in ca_root_nss?
We are trying to migrate our push services to Google Firebase Cloud Messaging.
On the development machines (that run linux) everything is fine, but in the integration system (which runs on FreeBSD ...
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2
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How to create a salt stack manifest from an existing machine
We recently lost our system admin. and I have picked up the task of ensuring that if anything bad happens we can recreate our VM's.
The systems are FreeBSD various versions.
Is there any way i ...
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System CPU use on freeBSD
I have a large number of small jobs that I need to run.
If I run them on a 6core Xeon, Broadwell, it runs with at least 80-90% userland CPU
If I run the same assignment on a box with 2X16 core CPU ...
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1
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FreeBSD on AZURE
I am testing AZURE with FreeBSD 10.3.
FreeBSD is up and running, configured, can connect remotely to it, but it has limited storage.
I would like to attach another disk / mount point in order to have ~...
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OpenVPN isn't found in FreeBSD 11 -- why?
I'm trying to install OpenVPN on Freebsd 11, but it says it's not found:
# pkg install openvpn
Updating FreeBSD repository catalogue...
FreeBSD repository is up-to-date.
All repositories are up-to-...
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jails in zfs space in freebsd 11, gives mount descfs error
Good Night, I am trying to deply a multijail environment using freebsd 11 on a OVH dedicated server.
I created the cloned interfaces and created the jail , but as soon as I try to start it tells me ...
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1
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What is the best way to build a port of a version that is only available in a newer version of FreeBSD?
I am currently supporting devices which are running FreeBSD 9.2, as well as 10. And I need to somehow install a newer version of archivers/libarchive than that which is available for these FreeBSD ...
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5
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How to check if RAM is running in ECC mode?
I updated this post since I replaced the processor, but the core of my question (and unfortunately the results as well) are the same.
I built my first FreeNAS box and wanted to use ECC RAM since I ...
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2
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Migrate FreeBSD Jails to Linux
we are running some jails in FreeBSD 10 and the decision has been made to decommission the FreeBSD server and migrate all the jails to Linux environment Red Hat 6 or 7.
Is there a straight forward ...
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1
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FreeBSD jail as gateway
I am trying to set up a jail that will serve as a default gateway for some of my external clients.
I have a VIMAGE jail that has a dedicated IP address in my local network which I want to use as a ...
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1
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FreeBSD bandwidth throttling per IP
I have a public HTTP server running FreeBSD.
Nginx allows me to limit throughput per connection, but I don't want to limit each IP to only 1 connection so I need a solution to limit per IP. Nginx ...
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2
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Is there a way to set multiple ZFS filesystem properties at once?
My normal ZFS filesystem build process may look something like:
zpool create vol1 -o autoexpand=on -o autoreplace=on mirror nvme0n1 nvme1n1 -f
zfs set compression=lz4 vol1
zfs set atime=off vol1
zfs ...
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