Linux

Why does grep report "Binary file matches"?

Today I found an interesting grep alert when trying to find whether my cron job is running or not.

[root@server ]$ cat /var/log/cron | grep  something.php
Binary file (standard input) matches
[root@server ]$

How to fix: Squid cache_dir (13) Permission denied

I was configuring a newly installed Squid cache on newly installed CentOS 5.2 to use a new partition for it's cache dir.

Squid version:

[root@localhost ~]# squid -v
Squid Cache: Version 2.6.STABLE6
configure options: '--build=i686-redhat-linux-gnu' '--host=i686-redhat-linux-gnu' '--target=i386-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--exec_prefix=/usr' '--bindir=/usr/sbin' '--libexecdir=/usr/lib/squid' '--localstatedir=/var' '--datadir=/usr/share' '--sysconfdir=/etc/squid' '--enable-epoll' '--enable-snmp' '--enable-removal-policies=heap,lru' '--enable-storeio=aufs,coss,diskd,null,ufs' '--enable-ssl' '--with-openssl=/usr/kerberos' '--enable-delay-pools' '--enable-linux-netfilter' '--with-pthreads' '--enable-ntlm-auth-helpers=SMB,fakeauth' '--enable-external-acl-helpers=ip_user,ldap_group,unix_group,wbinfo_group' '--enable-auth=basic,digest,ntlm' '--enable-digest-auth-helpers=password' '--with-winbind-auth-challenge' '--enable-useragent-log' '--enable-referer-log' '--disable-dependency-tracking' '--enable-cachemgr-hostname=localhost' '--enable-underscores' '--enable-basic-auth-helpers=LDAP,MSNT,NCSA,PAM,SMB,YP,getpwnam,multi-domain-NTLM,SASL' '--enable-cache-digests' '--enable-ident-lookups' '--with-large-files' '--enable-follow-x-forwarded-for' '--enable-wccpv2' '--enable-fd-config' '--with-maxfd=16384' 'CFLAGS=-fPIE -Os -g -pipe -fsigned-char' 'LDFLAGS=-pie' 'build_alias=i686-redhat-linux-gnu' 'host_alias=i686-redhat-linux-gnu' 'target_alias=i386-redhat-linux-gnu'
[root@localhost ~]#

How to fix buffer_get_ret: trying to get more bytes 4 than in buffer

I got this error after adding new user to the system (CentOS). The user key is generated using PuTTY Key Generator (PuTTYgen for short).

Exact error (in /var/log/secure):

How to configure Sony Ericsson P990i as USB modem with Indosat Broadband 3G

Indosat Broadband 3G is an unlimited internet program from Indosat (Matrix). We will be using their Eco package.

How to: Sony Ericsson P990i as USB modem on CentOS

Sony Ericsson P990i is a smartphone and the successor of Sony Ericsson P910. The phone uses the UIQ 3 software platform, which is based upon Symbian OS 9.1 [link]

Sony Ericsson P990i technical specifications (network related only):

  • GSM 900 / 1800 / 1900
  • UMTS 2100
  • GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps
  • 3G, 384 kbps
  • Wi-Fi 802.11b

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