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scp : samll tips ( error : bash: scp: command not found ) When I try to copy a file over scp command , I’ve faced the following error. CentOS6-1# /usr/bin/scp aa.tgz hattori@192.168.0.100:hattori@192.168.0.100’s password:bash: scp: command not foundlost connection# The reason is openssh-clients have not been installed on the remote machine. To […] There are many ways to find out zombie processes , so this is one of examples. # cat /etc/centos-release CentOS release 6.2 (Final)
find zombie processes # top -b -n 1 | grep Z 6072 root 20 0 0 0 0 Z 0.0 0.0 0:00.09 dumpcap <defunct> 6075 root 20 0 0 0 0 […] If I had to pick one fault of Linux, it would be that for almost everything, the Linux user is inundated with hundreds of possible solutions. This is both a blessing and a curse – for the veterans, it means that we can pick the tool that most matches how we prefer to operate; […] OS: CentOS 5.6 i386, CentOS 6.2 i386 Ossec Version: 2.6 Hardware: Virtual Machine (VirtualBox 4.1.14) About OSSEC is an opensource Host Intrustion Detection System (HIDS). OSSEC let you monitor log files, integrity of files and detects root kits in a client-server environment. OSSEC Server Installation Install wget and update your system yum install wget […] Error Messge: testing snort configuration generate the following message: … ERROR: snort_stream5_tcp.c(906) Could not initialize tcp session memory pool. Fatal Error, Quitting.. Fix: Add more memory or try to reduce max_tcp connections in snort configuration file vi /usr/local/snort/etc/snort.conf preprocessor stream5_global: track_tcp yes, \ track_udp yes, \ track_icmp no, \ max_tcp 162144, \ max_udp 131072, […] OS: CentOS-6.2 i386, Ubuntu 12.04 x86_64 LTS, Ubuntu 10.04 x86_64 LTS, Ubuntu 11.10 i386 Snort Version: 2.9.2.2 IPv6 GRE (Build 121) Hardware: VirtualBox 4.1.12 About PulledPork is an opensource perl script that can automatically update Snort rules. Prerequisite Snort installation Install perl modules On CentOS yum install perl-libwww-perl perl-Crypt-SSLeay perl-libwww-perl perl-Archive-Tar -y […] Tested On OS: CentOS 6.2 i386, CentOS x86_64, CentOS 5.7, Ubuntu 10.04 TLS Snort Version: Version 2.9.2.3 IPv6 GRE (Build 205) Hardware: Virtual Machine (VirtualBox 4.1.8) About Snort is Network Intrusion Detection System (NIDS). Snort can sniff your network and alert you based on his rule DB if there is an attack […] OpenVAS 5 Installation on CentOS 6.2 Install Centos 6.2 Minimal OS: CentOS 6.2 32bitHardware: Virtual Machine (VirtualBox 4.1.14)OpenVAS: 5 About OpenVAS is an opensource vulnerability network scanner. OpenVAS let you scan your network for vulnerabilities and create a report on your network status. Prerequisite Disable SELINUX vi /etc/selinux/config …SELINUX=disabled… Disable the firewall Install […] CentOS6.0 no longer uses faillog for keeping track of failed login attempts. Here’s an easy way to get up login tracking, and SSH time outs for PCI compliance, or just for a nice secure system. Firstly you want to edit /etc/ssh/sshd_config to set up a timeout for SSH. You want to change the following lines; […]
I have compressed most of the required files into one file called qmr1.tar.gz and qmr2.tar.gz. You will need to download both then put them in the /downloads/qmr directory that you need to create on your Centos or Fedora box.
Attachments are:
qmr1.tar qmr2.tar If you are looking at installing Qmail on a […] |
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