If you’ve just logged in to a Linux server and you’re staring at a blinking cursor thinking, “Now what?” — you’re in the right place. This is for you if you’re new to the command line, running a VPS or small server, and you just want to understand where you are and how to look around without breaking anything. Good…
Read More »Recently, for a fun stuff, I came across a need of an infinite level of categories. I stumbled uponGijs Van Tulder‘s article of “Storing Hierarchical Data in a Database” at SitePoint. Based of Van Tulder article I’m experimenting on my localhost. Below is the contents of my ‘categories’ table:+—–+——-+——–+———-+——+——+ | id | title | parent | parentid | lft |…
Read More »By the way, the green vertical line act as an aid, but many users find its distracting. Follow the steps below to remove the vertical green line in Geany version 0.18 (Ubuntu) window: Run Geany, go to: Edit >> Preferences >> Editor >> Display Select “Disabled” radio options below “Long line marker”. Hit “Apply” and “OK” button.
Read More »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’…
Read More »
Before and After: Fighting the Firewall Beast Before: you SSH into your Ubuntu server, start reading about iptables, get hit with words like chains and policies, and five minutes later you’re staring at a command that might lock you out of your own box. After: you use ufw with a few simple commands, knowing it’s just talking to iptables for…
Read More »I noticed the following error message while checking RSS feeds belongs to a client. XML Parsing Error: XML or text declaration not at start of entity Location: http://www.domain.com/file.rss Line Number 2, Column 1: ^ This is what the XML output: Ron Weasley 8 yes Notice the extra white line just before the
Read More »