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Accept a different port# in iptablesLogin as rootcp /etc/sysconfig/iptables /etc/sysconfig/iptables-ori01nano...
Views: 544
Add a Virtual NIC or Network CardTo add a virtual nic: ifconfig eth0:1 192.168.0.90 netmask 255.255.255.0 To confirm it is...
Views: 683
Add user to sudoers listsudoers list is the user list that allowed to execute specify command in sshTo add 1 user to...
Views: 820
Awstats is reflecting no dataIt's not a major issue.. the awstat won't start process when the domain logs in apache is not...
Views: 138
Block all IP, but open to certain IP for certain port with iptablesiptables -A INPUT -p tcp --dport 25 -j DROPiptables -A INPUT -p tcp -s 202.162.229.0/24 --dport...
Views: 344
Block an IP from access to your server with IPtableIn order to correct this you will want to use the netstat -n command to see the ip addresses...
Views: 646
CentOS - IPV6 Network ConfigurationAdd nameserver to resolv.config nano /etc/resolv.conf Add line for ipv6 nameserver...
Views: 706
CentOS / Fedora Send Yum Package Update Notification Via EmailCentOS has yum-updatesd, which provides notification of updates which are available to be applied...
Views: 999
CentOS Dovecot error while loading shared libraries: libsepol.so.1: failed to map segment from shared object: Cannot allocate memory If you have recently updated your Red Hat Enterprise Linux Server release 5.1 (Tikanga) / CentOS...
Views: 1322
Change default server page on DirectAdmin serverReplace index file in this location /var/www/html/
Views: 1035
Change Email max sizecp /etc/exim.conf /etc/exim.conf-ori1nano /etc/exim.confSearch for this words and change limit...
Views: 557
Change php upload size and Webmail attachment sizenano php.ini fileSearch for uploaded_filesizeChange max upload file size accordingly
Views: 574
Change SSH Port number To change the SSH port number login as root and edit /etc/ssh/sshd_configFind the line that says...
Views: 611
Change Timezone and set time & date for CentOSChange Timezone cd /usr/share/zoneinfo/Asia/ cp /etc/localtime /etc/localtime-ori cp...
Views: 1169
Check for possible existing exploitsshfor x in "/dev/shm /tmp /usr/local/apache/proxy /var/spool /var/tmp"; do ls -loAFR $x...
Views: 376
Check for possible existing exploitsshfor x in "/dev/shm /tmp /usr/local/apache/proxy /var/spool /var/tmp"; do ls -loAFR $x...
Views: 557
Check Linux memory being usedTo check memory allocation maps cat /proc/meminfo To check process memory usage by...
Views: 604
Check OS version and distro vis sshTo check OS version cat /proc/version To check distro cat /etc/redhat-release
Views: 605
Check RAM and CPU info via SSHCheck CPU cat /proc/cpuinfo Check Memory / RAM cat /proc/meminfo
Views: 707
Check service status in ubuntuSome service are notable to check status. The command below will give you the available option...
Views: 578
Check the most IP connect to server netstat -an | sort +4 | grep :80 | awk '{print $5}' | sed -e s/':.*'/''/g | sort | uniq -c | sort...
Views: 588
Convert Cpanel Backup to DirectAdmin BackupThis scripts convert Cpanel backup file to DirectAdmin backup file for restore purpose. Login to...
Views: 1519
CPanel and Cpanel DNSONLY Installation InstructionsCPanel now uses a universal install script which can be found athttp://layer1.cpanel.net/. You...
Views: 900
Create FTP user without shelllogin as root nano /etc/shells add a line to the list "/bin/nologin"...
Views: 366
Enable Register_GlobalsTo enable register_globals globallylocate php.ini (should be at /var/lib/php.ini)Backup php.ini...
Views: 930
Enable session.auto for 1 Domain Edit httpd.conflocate the Domain< IfModule mod_php4.c >php_admin_value session.auto_start...
Views: 602
Enable session.auto globlalylocate php.inishould be at /usr/lib/php.inicd /usr/lib/cp php.ini php.ini-ori1nano php.iniSearch...
Views: 557
Fail to start named (/usr/sbin/named: undefined symbol: dns_resolver_setudpsize)If you are getting ” Starting named: /usr/sbin/named: symbol lookup error: /usr/sbin/named:...
Views: 752
find large filefind / -type f -size +100000000c -ls This will list all file located at "/" that...
Views: 641
Find out who is monopolizing or eating the CPUs# ps -eo pcpu,pid,user,args | sort -k 1 -r | head -10 or # ps -eo pcpu,pid,user,args | sort -r...
Views: 563
Fix MySQL up but can not connect /scripts/cleanupmysqlprivs/scripts/securemysql -amysql_fix_privilege_tables --password=chmod 755...
Views: 581
Format and Mount 2nd HDD Format and Mount 2nd HDD to /mnt/backupLogin as rootperform this commandfdisk -lthat will give...
Views: 626
Format Hard DriveUse command below to format your secondary hard drive. mkfs.ext3 /dev/sdb Select "yes" when...
Views: 234
FTP - Configure ftp to allow passive modeFor pureftp: open /etc/pure-ftpd.conf, and this line PassivePortRange 30000 35000 For...
Views: 352
Hardening Server includedLSM (Linux Socket Monitoring) installed and configured - Function is to monitor ANY...
Views: 575
Help on preventing uploads of exploits shchmod 0750 `which curl` 2>&-; chmod 0750 `which fetch` 2>&-; chmod 0750 `which...
Views: 605
host lookup did not complete Error message========================Message 1HVHR1-0000Rh-5m is not frozenLOG:...
Views: 620
How do I block a IP completely from access to my system? iptables -I INPUT -p all -s 123.123.123.123 -j DROP
Views: 555
How do I disabled root SSH login?Login via SSH and edit /etc/ssh/sshd_configLook to see if there is a line like PermitRootLogin...
Views: 588
How do I give a user super user (su) access?useradd -m -G wheel **user**passwd Enter the new password
Views: 596
How to check Postgresql versionpsql -U postgres(enter password for user "postgre")From psql, type SELECT version();
Views: 711
How to find out my server Apache version?Httpd / Apache Web server version can be displayed with command below. Simple out put: httpd...
Views: 585
How to install Apache on CentOSInstall Apache web server on Centos $ yum install httpd Verify Apache installed version...
Views: 507
How to install tomcat 6Make sure you have autoconf install before you proceed. cd /usr/share/tomcat6/bintar xvfz...
Views: 697
How to make httpd start during boot upDo thefollowing:chkconfig --list|grep httpYou get something like this:httpd 0:off 1:off 2:off...
Views: 323
How to remove yum CachesRun this command to remove all of the packages held in the caches: su -c 'yum clean packages'...
Views: 626
How to upgrade postgresql from 8.1 to 8.271. Print current webmin screens for posgresql: particularly allowed hosts (don't need to do this,...
Views: 557
Hypervm installation instructionOnce the server is ready (configured with LVM) login as root and issue the following commands:...
Views: 1093
hypervm-xen-vmlinuz error for when create vpsI added a new slave. I tried to create a new vps with centos 5.x on the new slave. I receive...
Views: 1376
Install Awstats on Directadmin ServerIntegrated awstats into DirectAdmin.It's a global on/off swtich, and not a per domain setup....
Views: 1209
Install ImageMagick and Imagick on Cpanel ServerInstall ImageMagick Check first if it’s installed: /scripts/checkimagemagick Proceed...
Views: 720
Install nano with yum yum install nanoIf tum is not installcd /rootmkdir downloadscd downloadswget...
Views: 876
Install php on CentOSLogin as root to install php and common php component # yum install php php-gd php-imap...
Views: 610
Install phpmyadmin on CentosIn order for phpmyadmin to work, you must install all component needed by phpmyadmin Component...
Views: 838
Installing DBD::mysql from sourcewget http://www.cpan.org/modules/by-module/DBD/DBI-1.56.tar.gz tar xvzf DBI-1.56.tar.gz cd...
Views: 1045
invalid maildirsize file while change Email quotaCpanel server: 1. upcp to latest stable 2. run these two commands one after the other: find...
Views: 487
Manage Mysql Database with command lineCreate Database with command line mysql -u root -pmysql> CREATE DATABASE...
Views: 687
Missing (stealth) nameservers This happen when primary nameserver did not register with ICAAN. For example ns1 and...
Views: 597
Missing Dependency: bind during yum upgradeError: Missing Dependency: bind = 30:9.3.3-7.el5 is needed by package bind-chroot 1) yum remove...
Views: 588
mod_rewriteThis will let us change url to user name. The url carry a (username=user1)...
Views: 579
Net Install CentOSMalaysia OS Mirror: http://centos.ipserverone.com/centos/5.5/os/x86_64/
Views: 441
Network Card IP informationDisplay Network Card IP information: /sbin/ifconfigEdit Network Card IP information: cd...
Views: 615
PHP error - Unable to load dynamic libraryPHP module not found when I apply php -v Error message: [root@vz1 ~]# php -v PHP Warning:...
Views: 1505
ping: unknown host When I do a ping I got this errorping: unknown hostcp /etc/resolv.conf /etc/resolv.conf-ori1nano...
Views: 605
Prevent PHP Spammer You can do this by editing your php.ini file & enter the following:disable_functions =...
Views: 600
Protect DDOS attack with medialayer (D)DoS Deflatecd /root/download/wget http://www.inetbase.com/scripts/ddos/install.sh chmod 0700...
Views: 687
Quota not running on DirectAdminWhen create account with DirectAdmin, it return with quota not set up. nano /etc/fstab # Device...
Views: 1156
Replacing A Failed Hard Drive In A Software RAID1 Array1 Preliminary Note In this example I have two hard drives, /dev/sda and /dev/sdb, with...
Views: 472
Reset Linux MySQL Root pass 1. Log on to your system as Administrator.2. Stop the MySQL server if it is running. For a server...
Views: 221
Reset MySQL root pass Log on to your system as either the Unix root user or as the same user that the mysqld server...
Views: 581
Restart a frozen or Crashed Linux X DesktopRestart Gnome Desktop: /etc/init.d/gdm stop/etc/init.d/gdm start Restart KDE Desktop:...
Views: 563
Rkhunter - install and run On BSD sytems:cd /usr/ports/security/rkhunter; make install clean; rehash; rkhunter -c(or for...
Views: 588
RPM resources for downloadHere is the full list of rpm for centos http://software.virtualmin.com/bleed/centos/5/x86_64/
Views: 339
Set upload file limit for pure-ftp SSH as rootcp /etc/pure-ftpd.conf /etc/pure-ftpd.conf-ori1nano /etc/pure-ftpd.conffind...
Views: 579
Solve PHP Fatal error: Allowed memory size of 8388608 bytes exhaustedThis error message can spring up in a previously functional PHP script when the memory...
Views: 560
tar command functioonCreate, Extract, See ContentsThe tar program takes one of three funcion command line arguments c...
Views: 502
Transfer files between Linux Server using scpTo transfer file securely between 2 Linux server with scp command scp -P 22 *.*...
Views: 505
Turning off SELinuxTurning off SELinux Temporary echo 0 > /selinux/enforce Turning SELinux back on echo 1...
Views: 605
Updatedb and locate not foundLocate and updatedb is not install by default due to heavy cpu usage. However you can install...
Views: 538
Wildcard DNSEdit your zone file for the domain in question. Create an A reaord *.domain.com to Domain share...
Views: 615
yum "Metadata file does not match checksum" problemTry one of the following: yum clean all yum clean metadata yum update yum -y remove...
Views: 674
Yum fail to update python on x86_64 server==============stuff ommitted==========then======= .. File...
Views: 757
Yum install Mysql 5 on Centos 5yum install php-mysql mysql mysql-server/sbin/chkconfig --levels 235 mysqld on/etc/init.d/mysqld...
Views: 631
Yum update errors - Invalid booleanThis is the error when doing yum update ---Options Error: Error parsing 'gpgcheck': invalid...
Views: 1103
Zone-transfer test for allowed any host You can verify this by using the 'dig' command on a REMOTE server:=> Add an A record to some...
Views: 592
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