1TypeError: rpmdb open failed
12345# rm /dev/urandom
# mknod -m 644 /dev/urandom c 1 9
# rm -f /var/lib/rpm/__db*
# rpm --rebuilddb
# yum clean all</strong></code>
Todo en uno!
1rm /dev/urandom && mknod -m 644 /dev/urandom c 1 9 && rm -f /var/lib/rpm/__db* && rpm --rebuilddb && yum clean all
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Dec 20
Instalar Lighttpd a partir de repositorio no oficial (Rpmforge)
64 bits
123456<strong># wget <a href="http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm">rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm</a>
# rpm -Uvh wget <a href="rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm">rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm</a>
# yum --enablerepo=rpmforge install lighttpd
# lighttpd -</strong>v
lighttpd/1.4.28 (ssl) - a light and fast webserver
Build-Date: Aug 22 2010 21:27:23
32bits
123456<strong># wget <a...
1<strong># vim /etc/sysconfig/network-scripts/ifcfg-eth0</strong>
1234567DEVICE=eth0
<strong>BOOTPROTO=static</strong>
HWADDR=00:11:85:BC:7D:5F
IPADDR=111.111.111.111
NETMASK=255.255.255.0
ONBOOT=yes
TYPE=Ethernet
Guía para actualizar php 5.1.6 en CentOS 5.X a php 5.2, utilizando un repositorio oficial de CentOS.
Añadir repositorio de desarrollo
1<strong> # vim /etc/yum.repos.d/CentOS-Testing.repo</strong>
1234567[c5-testing]
name=CentOS-5 Testing
baseurl=http://dev.centos.org/centos/$releasever/testing/$basearch/
enabled=1
gpgcheck=1
gpgkey=http://dev.centos.org/centos/RPM-GPG-KEY-CentOS-testing
includepkgs=php*
1<strong># yum...
Aug 13
Instalando APC para php 5.3.
123456<strong># wget http://pecl.php.net/get/APC-3.1.3p1.tgz
# tar xf APC-3.1.3p1.tgz
# cd APC-3.1.3p1
# phpize
# ./configure --enable-apc --enable-mmap
# make</strong>
Error?
12/usr/local/src/APC-3.1.2/apc.c:453: error: 'apc_regex' has no member named 'nreg'
make: *** [apc.lo] Error 1
1234<strong># yum install pcre-devel
# make clean
# make
# make install</strong>
Añadir “extension=apc.so” en php.ini, reiniciar servicio web. Comprobamos:
123<strong># -bash-3.2# php -i |grep apc</strong>
# apc
#...
Jul 30
DenyHosts es un software bastante utilizado que intenta evitar los ataques de fuerza bruta vía ssh (dictionary based attacks o brute force attack).
Existen varios, como FailtoBan, aunque esté sea más genérico y dependa mucho de encontrar las expresiones regulares adecuadas lo que todavía no está bien encontrado.
Volviendo a DenyHosts, si lo que queremos es evitar ataques por ssh, este software es bastante útil. Lo digo porque cuando tienes el fichero btmp con este tamaño:
12[root@hn19 software]# ls -lisah /var/log/btmp
3189425 785M -rw------- 1 root utmp 784M Jul 30 07:39...