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May
10
comment How many inodes do I need to access to read a file?
@graphtheory92 The root directory is just another inode. However it is a very important inode. When you mount a disk partition, its root partions inode is referenced in place of the inode of the mount point on the disk you are mounting to.
May
7
comment Is a directory removed when its number of hard links becomes 0?
If the directory is a sub-directory. the entry .. will point to the parent. As a special case the root directory link points to itself. This allows cd ..\.. and similar commands to work as expected no matter where you are. You can test with the stat command.
May
5
comment ext4 - An entire directory disappeared?
If the file got renamed to have a period as the first character it won't show up in an normal ls command. Try ls -a. Using du on the containing directory may show your file as well.
Apr
25
comment Mails bouncing back from Dovecot mail server
You need an MTA (postfix, exim, etc.) to receive email. Dovecot is a MDA (Mail Delivery Agent) not a MTA (Mail Transfer Agent.
Apr
23
comment How to increment serial number in bind9 dns zone
DNS mode for emacs automatically increments serial numbers using the above model.
Apr
20
comment Install mail server in VM
@suamikim I've added a list of recommended documentation including RFCs
Mar
14
comment ntp server problems. It is panicking and then I am 3hours ahead
@nass If you are using NTP with the hardware clock you need to set the hardware clock to UTC. If you loose network connectivity, ntp may sync to the local clock, but it never sets it. /dev/rtc is the interface to one type of real time clock, but many motherboards use a different clock inteface.
Mar
4
comment Disabling sslv3 on samba4
I dug deeper and it appears SAMBA has its own LDAP/Kerberos services. However, I don't see any options to configure tls ciphers or other options that can be used to disable sslv3.
Mar
4
comment Disabling sslv3 on samba4
Looking through my documentation it appears that Samba uses an LDAP server such as OpenLDAP to provide the LDAP services. Try running `sudo netstat -antp | grep :636 to see which program is listening for LDAP traffic.
Mar
3
comment Disabling sslv3 on samba4
I haven't seen samba4 used as an ldap server. It will connect to the samba4 using the protocols available from the ldap server. Disabling sslv3 on the ldap server will disable its use by samba and other ldap clients.
Feb
22
comment How do devices add DNS entries on a local network?
@GregBell The resolvconf package handles setting up resolv.conf when DHCP connects. It drops a file in /etc/dhcp/dclient-enter-hooks.d.
Feb
19
comment How do devices add DNS entries on a local network?
@GregBell It depends on the distribution. Some distributions use automatic configuration of the resolver configuration. This will include the hooks in the DHCP client to write the DNS server data to a known location and invoke the resolver configuration utility. Otherwise, you need to edit /etc/resolve.conf yourself. When resolv.conf is automatically gernerated, it usually has an warning about editing.
Jan
27
comment Pipe assigns variable
@roaima Some command recognize they are running on a terminal an behave differently than if they are outputting to a pipe. In particular they may truncate lines to the current screen width. For most command the cat command is redundant.
Dec
5
comment Send emails with a custom From: field
@forberg Multiple from addresses are likely to trigger spam filters. I've only seen multiple from addresses in spam. Look at adding a Reply-to: address if you need multiple addresses.
Nov
18
comment dnsmasq - flooding daemon.log with messages
@ethrbunny Is there anything in your dns leases file. (Likley /var/lib/misc/dnsmasq.leases?. The first field should be the expiry time of the lease.
Nov
18
comment Why does my Python background process end when SSH session is terminated?
@neverendingqs Does the logfile contain anything?
Nov
17
comment dnsmasq - flooding daemon.log with messages
@etherbunny At this point I would break out tcpdump or dhcpdump and check the contents of the traffic. These messages should only be generated in response to requests.
Nov
16
comment Trust a self signed PEM certificate
@AlexSchröder I've edited above. They should not import your snakeoil certificate, but if you've setup your own CA, it is reasonable for them import your CA. I haven't yet identified trust issues between SMTP servers. Most clients can be told to trust individual certificates.
Nov
16
comment dnsmasq - flooding daemon.log with messages
@ethrbunny I've edited to add some additional options that you may need to set.
Nov
15
comment dnsmasq - flooding daemon.log with messages
The command ipconfig will show the IP address, if any, your Windows 7 has accepted.