My CentOS 5 Bind Installation Commands
Dec 15, 2007
if after doing the following and transferring my domains to the server, they will functions properly as far as BIND setup is concerned. This will also serve as installation instructions for others if you can verify that this is all good.
I have installed BIND9 and setup DNS with the following:
------------------------------------------------------------------------
yum install bind-chroot
chmod 755 /var/named/
chmod 775 /var/named/chroot/
chmod 775 /var/named/chroot/var/
chmod 775 /var/named/chroot/var/named/
chmod 775 /var/named/chroot/var/run/
chmod 777 /var/named/chroot/var/run/named/
chown -R named /var/named/chroot/etc
chown -R named /var/named/chroot/var
cd /var/named/chroot/var/named/
ln -s ../../ chroot
cp /usr/share/doc/bind-9.3.3/sample/var/named/named.local /var/named/chroot/var/named/named.local
cp /usr/share/doc/bind-9.3.3/sample/var/named/named.root /var/named/chroot/var/named/named.root
touch /var/named/chroot/etc/named.conf
chkconfig --levels 235 named on
named.conf now contains:
Code:
options {
pid-file "/var/named/chroot/var/run/named/named.pid";
directory "/var/named/chroot/var/named";
query-source address * port 53;
allow-query { any; };
recursion no;
};
zone "server.mydomain.com" { type master; file "server.mydomain.com.db"; };
zone "mydomain.com" { type master; file "mydomain.com.db"; };
zone "mydomain.net" { type master; file "mydomain.net.db"; };
Upload named.conf to /var/named/chroot/etc
Modify /etc/resolv.conf to have the following before its current data:
search mydomain.com
nameserver 127.0.0.1
nameserver 78.129.143.155 // Replace this with the server's IP
// So below these there should be one or more nameserver $ip that point to the ISP's name servers so that the server can download stuff.
Modify /etc/host.conf to become the following:
order hosts,bind
multi on
nospoof on
Modify the files mydomain.com.db and mydomain.net.db and server.mydomain.com.db
to have the correct IP address. (These are DNS zone files that I'm sure are correct so I don't need you to confirm those.)
* Upload them to /var/named/chroot/var/named
/etc/init.d/named start
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May 27, 2014
I need a command way of backing up my website files and Mysql databases. I no longer have access to the static ip to access the panel.
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I installed APF on my CentOS OpenVZ VPS but when I start it the ssh terminal is spammed with this error:
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Jun 25, 2008
I tried to install cacti, somehow it didn't work out so i decided to install munin. But when i choose munin from plugins list it starts to install than it says
Starting Munin Node: [ OK ]
Can't locate RRDs.pm in @INC (@INC contains: /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.7/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.6/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl/5.8.7 /usr/lib/perl5/site_perl/5.8.6 /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.7/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.6/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl/5.8.7 /usr/lib/perl5/vendor_perl/5.8.6 /usr/lib/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl /usr/lib/perl5/5.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8 . /usr/local/cpanel/3rdparty/lib/perl) at /usr/share/munin/munin-graph line 225.
BEGIN failed--compilation aborted at /usr/share/munin/munin-graph line 225.
Install Complete (munin 1.2.4)
Done
I did some googling about the error and it is because rrdtool is not installed.
Actually i installed rrdtool 1.3.0 from its website it was in /usr/local/rrdtool
Anyway i clicked install a rpm from whm and choose rrdtool.i386
root@server # rpm -qa | grep rrd
rrdtool-1.2.23-6.fc6
But it is still giving error above when i try to install munin
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Jan 19, 2008
I'm trying to install Centos 5 64bit with 8GB RAM and 4 SATA hard drive... But it keeps getting stuck at the screen menu: Select the appropriate keyboard for the system.
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I just can't make Mytop work on my Centos VPS. Looks like I made some perl problem. Is there any good working installation tutorial?
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Apr 24, 2009
We like to create the mail accounts through php scripts in mywebsite.com website. So we request you to setup the Qmail with Vpopmail server in our server. As we have the following packages are already installed.
1. Qmail
2. Courier POP/IMAP
3. Horde Webmail client
Please install the vpopmail in the ourserver and configure these four packages to create the mail accounts via php script. So that we can use vaddsuer command in php to create the mail ids annd also imap_open commands to access the mails.
Our server is configured with Plesk control panel.
The installation is very urgent, as our website is going live sooner.
I will make the decision sooner and let us know the cost, as it will be given to the provider sooner.
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Apr 27, 2008
I got this new server with FDC today, I asked for CentOS 5 minimal package installation, when I got the server I checked with rpm -qa |wc -l and seeing 572 packages. I have other CentOS 5 servers running with only 220 packages installed. So I asked the tech to reinstall it but he says the install is as minimal as the default install will allow. it doesn't seem right to me,
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Apr 24, 2009
We like to create the mail accounts through php scripts in mywebsite.com website. So we request you to setup the Qmail with Vpopmail server in our server. As we have the following packages are already installed.
1. Qmail
2. Courier POP/IMAP
3. Horde Webmail client
providers who install the vpopmail in the our server and configure these four packages to create the mail accounts via php script. So that we can use vaddsuer command in php to create the mail ids and also imap_open commands to access the mails.
We will take the decision sooner since we need to live the website shortly.
Our server is configured by plesk control panel.
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Sep 26, 2014
I'm just testing Plesk 12 on CentOs 7 and after installation is succesfully completed, I cant access [URL]
This is the environment and steps which I taken:
* Fresh CentOs 7 iso
* Windows 2008 R2 Hyper-v hypervisor
1) Installation of the CentOs successfully completed
2) Yum update
3) Download auto-installer
4) Run auto-installer
5) process successfully completed
6) NOW I CAN'T access the url ...
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Apr 27, 2015
I have a Server with Centos7 + Plesk 12 and in the service configuration say that the Bind service is not installed, from command line i have install named services and make a manual configuration the first domain, but when I return to the service page in plesk... the problem is the same, the Bind Service is not installed; then the problem is when i want create a new hosting i need to go to the ssh to make the DNS configuration...
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Jun 9, 2008
I am running a CPanel VPS and wanted to see whats the actual ram stats. (My package have 512 MB ram)
The issue is, using two different methods, I am getting two different values.
Via SSH, free -m gives this
total used free shared buffers cached
Mem: 512 204 307 0 0 0
-/+ buffers/cache: 204 307
Swap: 0 0 0
and while running a script that I have found Here in WHT
Code:
#!/bin/bash
#
# Revised 02-Feb-2007: include kernel memory (kmemsize) in 'used' calculation
# and show percentages in output.
#
BEAN=`cat /proc/user_beancounters`
GUAR=`echo "$BEAN" | grep vmguar | awk '{ print $4;}'`
PRIV=`echo "$BEAN" | grep privvm | awk '{ print $2;}'`
KMEM=`echo "$BEAN" | grep kmem | awk '{ print $3;}'`
let TOTL=$GUAR/256
let KMMB=$KMEM/1048576
let PVMB=$PRIV/256
let USED=$KMMB+$PVMB
let FREE=$TOTL-$USED
if [ "$FREE" -gt "0" ]; then
let UPER=$USED*100/$TOTL
let FPER=100-$UPER
else
let UPER="100"
let FPER="0"
fi
echo "VPS Memory:"
echo " Total: $TOTL mb Used: $USED mb (${UPER}%) Free: $FREE mb (${FPER}%)"
It gives
Total: 512 mb Used: 482 mb (94%) Free: 30 mb (6%)
Why such huge difference??
Also "top" command shows
top - 02:44:04 up 1 day, 9:55, 2 users, load average: 1.35, 1.04, 0.94
Is that good for a a VPS with 512 RAM? (The site has extremely high traffic)
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May 25, 2008
commands for cron job, i need to backup only 2 account backup in cron job one username is panther that a/c is in paretition "home" another a/c name logictec itz in partion "home2" for this two a/c only i need make cron job but there are in seprate partion can u help me in give the comman which can make backup in cronjob every one day
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May 29, 2008
I am not familiar with shell scripting, so I'm asking for your help. I want to do
I need to batch convert all my videos so i used the command for particular folder media/ipod so i used
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Aug 1, 2009
Quick IPTables Commands
List: iptables -L -n | grep <IP Address>
Remove: iptables -D INPUT -s <IP 1> -d <IP 2> -j DROP
Insert: iptables -I INPUT -s <IP> -j DROP
Flush: iptables -F
Remove: iptables -D OUTPUT -s 0.0.0.0/0 -d 66.93.33.185 -j DROP
netstat -nap | grep :80 | wc –l (shows # of connections to HTTP)
netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort –n (shows total connections per IP, if more than 100 block)
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Jul 29, 2007
It may be useful to someone, sometimes the queded mail list gets gigantic because of some spammer and other emails that aren't spam could get deleted when using cPanel to control it.
The better solution would obviously be to prevent spammers of sending all those mails, if you know a better solution on cPanel 11 please share it with me.
==== REMOVE MAILS BY ID ====
/usr/sbin/exim -v -Mrm (MAIL ID HERE)
==== LIST QUEDED MAILS ====
/usr/sbin/exim -bp
==== OUTPUT NUMBER OF QUEDED MAILS ====
/usr/sbin/exim -bpc
==== DELETE FROZEN MAILS ====
/usr/sbin/exim -bp | awk '$6~"frozen" { print $3 }' | xargs exim -Mrm
==== DELIVER FORCEFULLY EMAILS ====
/usr/sbin/exim -qff -v -C /etc/exim.conf &
==== FREEZE MAILS FROM SENDER ====
/usr/sbin/exiqgrep -i -f (MAIL ADDRESS HERE) | xargs exim -Mf
==== REMOVE MAILS FROM SENDER ====
/usr/sbin/exiqgrep -i -f (MAIL ADDRESS HERE) | xargs exim -Mrm
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I asked around and found [url] and win-bash.exe on source forge.
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Apr 26, 2009
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Feb 4, 2008
This is following on from:
[url]
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I'm guessing the way to do this is to have my php set up a cron job to occur at some point in the near future (like current time + 1 min), then to prevent the job from repeating the next hour, it removes itself from the cron list as the final command.
Does this sound like a reasonable way to go about executing a queue of shell commands from the browser that take an indefinite (possibly long) amount of time?
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Jul 12, 2008
I've been concerned about executing commands through (./) using php and perl shells on the server
a new way of hacking these days is using perl shells , even if the perl was terminated on the server ,, or was forbidden for users
hackers upload a (perl) program to the server to use it instead of the server's own perl
any way ,,
chmoding the (ls-cat-more-less) to 4750 seems to give permission denied when exeuting these programs on the server
but the hackers also found that they could upload their own ls-cat-more-less programs and use them instead of the server's
they also could rename them ls==>ki or anything and use them like this
./ki /etc/valiases -alXrt
and the commands work like charm for them
./ <<--- this command uses the sh program on the server ,, ((sh which refers to bash on most servers))
so
./ki
is the same as
sh ki
and
bash ki
so i tried chmoding sh with 4750 and that killed the exploit
i was concerned about cpanel's and the website's functionality
so i tried changing an accounts password and creating a database ,, they both worked fine
so ,, if u thing chmoding 4750 sh is a bad idea please let me know
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Nov 15, 2007
I'm trying to write some scripts that automate the installation of a website with a content management system. This includes creating domains, installing databases etc via plesk API.
Now we have it creating the domains and databases via plesk, this is not the issue. It's permission problems issuing commands on the server.
I need to have the script install the cms and this requires writing files to a folder on the server owned by a user which is created with the domain.
e.g.
user creates timsdomain.com with ftp user name tim
Plesk makes directory on webserver called ~/vhosts/timsdomain.com/
inside this directory is a folder called httpdocs.
All the files within this folder are owned by tim.
Now my script (running as 'apache' in a folder owned by 'admin') needs to write/edit files to this directory as the user tim (or whatever user was created when the domain was set up).
How can I do this from a php script?
My idea would be to log in as the new user and then start issuing commands but I don't know how to login a user from a script.
I've tried exec, exec_shell etc
trying to log in via script as the new user using sudo/su/suid etc but they all ask for a password (for obvious reasons) but I cannot see a way to send the password to the command with the script. Ssh?
I don't know. Help
Here's some pseudocode that demonstrates what I'm trying to do, if you can think of a better way I'm all ears.
Code:
//User Fills in CMS/Domain information which becomes Form_Data
//uses plesk to create blank domain, create email addresses and empty database
Make_Domain(Form_Data) {
Plesk = Get_Plesk_Object();
Plesk.Create_Domain();
Plesk.Create_Database();
Build_CMS(Form_Data);
}
//HERE IS WHERE I AM HAVING TROUBLE: I can't figure out how to change the user so I can install files to a
// different directory other than the current user's directory (admin)
Build_CMS(Form_Data) {
change_to_user(Form_Data.ftp_username, FormData.ftp_password);
unpack_CMS_archive_into(user_directory); //eg unpack cms.tar into 'timsdomain.com' (if the above command didn't switch the current directory to users home directory)
//initialises CMS config files and installs CMS data to database
Run_Install_Scripts_On_Server(Form_Data);
//albeit complex, most important part of script
Confirm_Tim_Is_Awesome();
}
Confirm_Tim_Is_Awesome() {
while (getTim().has_moustache()) {
echo "<em>You're still awesome. </em>";
}
}
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Oct 7, 2007
if it is possible to set sequential commands on a cron job?
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Feb 28, 2014
I get many GET requests that have auto-index like sort commands attached.
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Jan 17, 2013
I've been trying to set up a "console host" in addition to my main "site front" so that I can easily manage MySQL without needing the use of the Workbench (i.e. phpmyadmin). But even when I add the "mod_authz_host" module file to my configuration and correctly referencing it with LoadModule, it says:
Quote:
Invalid command 'Order', perhaps misspelled or defined by a module not included in the server configuration
This is what is in my configuration file as of now:
Code:
AddDefaultCharset utf-8
ErrorLog data/http.log
Listen 80
PidFile data/http.log
ServerSignature Off
ServerTokens Prod
[Code] ....
I have tried using this as an alternative, but it caused my PHP interpreter to malfunction:
Quote:
Require ip 127.0.0.1
Prior to me try to implement these host control directives, my Apache setup has had no errors whatsoever.
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Jun 2, 2008
I am just trying out MySQL on the external Apache server. I must have written down the wrong password. My commands to enter mysql with a password results in denied access.
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I used to create databases and tables on my regular computer and left off the password altogether while I was practicing. Now I'm taking steps to do it on the actual server, and have run across this problem.
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Jun 26, 2008
I have two quick questions.
Question 1
I had a script create a backup of every file on my site using the following format "filename.php.bac". I want to delete these files now and I tired to use "rm *.bac" but that only deleted the files in the current directory. How can I delete ALL those files in EVERY directory and sub-directory starting at the public_html directory?
Question 2
How can I escape semi-colon's (;) in a perl script? I'm trying to run a search+replace script to update some Analytics code and I have a ton of files to update but for some reason if there is a semi-colon in the find varable, it assumes that it has reached the end of the contents in that variable.
Here is the code. Take a look at the $find variable and you will see extra semi-colon's. How do I tell the script to not treat those semi-colons as the end of the variable? .........
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