For all commands, you will need root permissions. Use it from root or with sudo. Show all packets with URG flag: tcpdump ‘tcp[13] & 32 != 0’ Show all packets with ACK flag: tcpdump ‘tcp[13] & 16 != 0’ Show all packets with PSH flag: tcpdump ‘tcp[13] & 8 != 0’ Show all packets with…
If you are running apache on MPM Prefork, you can apply php restrictions for security or additional settings such as memory limit. Also, you can disable functions or php engine per directory or virtualhost. Standard virtualhost example: <VirtualHost *> DocumentRoot /home/tex/www/example.com ServerName example.com ServerAlias example.com ServerAdmin admin@example.com ErrorLog ${APACHE_LOG_DIR}/example.com-error_log CustomLog ${APACHE_LOG_DIR}/example.com-access_log combined </VirtualHost> Virtualhost…
First time, i will install nginx-extras (extended version of nginx): root@vm02:~# apt-get install nginx-extras Adding dotdeb to apt sources list: root@vm02:~# echo “deb http://packages.dotdeb.org jessie all” >> /etc/apt/sources.list Installing curl and adding dotdeb key for apt: root@vm02:~# apt-get install curl root@vm02:~# curl http://www.dotdeb.org/dotdeb.gpg | apt-key add – % Total % Received % Xferd…
I will use ‘mysql_config_editor’ for storing authentication credentials in an encrypted login path file named ‘.mylogin.cnf’. The file location is the ‘~/.mylogin.cnf’ (user home). The file can be read later by MySQL client programs to obtain authentication credentials for connecting to MySQL Server. The unencrypted format of the .mylogin.cnf login path file consists of option…
By default on CentOS 6.x is used 8169 instead of 8168 driver for Ethernet. Network device display (lspci output): [root@static89 ~]# lspci|grep Eth 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 09) Loaded driver: [root@static89 ~]# lsmod|grep 816 r8169 74378 0 From dmesg output: r8169 Gigabit Ethernet driver 2.3LK-NAPI…